mirror of https://github.com/arendst/Tasmota.git
1446 lines
38 KiB
C++
1446 lines
38 KiB
C++
/*MIT License
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Copyright (c) 2017 xlatb
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <SPI.h>
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#include "RA8876.h"
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#include <limits.h>
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/* TODO
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font 0 x and y size with line,col cmd
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support for rotation
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fast picture write
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*/
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//void SHOW_STAGE(uint8_t stage) {
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// Serial.printf(">%d,\n", stage);
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//
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const uint16_t RA8876_colors[]={RA8876_BLACK,RA8876_WHITE,RA8876_RED,RA8876_GREEN,RA8876_BLUE,RA8876_CYAN,RA8876_MAGENTA,\
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RA8876_YELLOW,RA8876_NAVY,RA8876_DARKGREEN,RA8876_DARKCYAN,RA8876_MAROON,RA8876_PURPLE,RA8876_OLIVE,\
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RA8876_LIGHTGREY,RA8876_DARKGREY,RA8876_ORANGE,RA8876_GREENYELLOW,RA8876_PINK};
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uint16_t RA8876::GetColorFromIndex(uint8_t index) {
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if (index>=sizeof(RA8876_colors)/2) index=0;
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return RA8876_colors[index];
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}
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// Constructor when using software SPI. All output pins are configurable.
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RA8876::RA8876(int8_t cs,int8_t mosi,int8_t miso,int8_t sclk,int8_t bp) : Renderer(RA8876_TFTWIDTH, RA8876_TFTHEIGHT) {
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m_csPin = cs;
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_mosi = mosi;
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_miso = miso;
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_sclk = sclk;
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/*
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_bp = bp;
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if (_bp<99) {
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pinMode(_bp, OUTPUT);
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digitalWrite(_bp,HIGH);
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}*/
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_hwspi = 1;
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}
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//#define RA8876_CS_LOW digitalWrite(m_csPin, LOW)
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//#define RA8876_CS_HIGH digitalWrite(m_csPin, HIGH)
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#ifndef ESP32
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#define RA8876_CS_LOW GPOC=(1<<m_csPin);
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#define RA8876_CS_HIGH GPOS=(1<<m_csPin);
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#else
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#define RA8876_CS_LOW digitalWrite(m_csPin,0);
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#define RA8876_CS_HIGH digitalWrite(m_csPin,1);
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#endif
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/*
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extern void ICACHE_RAM_ATTR RA8876_digitalWrite(uint8_t pin, uint8_t val) {
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//stopWaveform(pin);
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if(pin < 16){
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if(val) GPOS = (1 << pin);
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else GPOC = (1 << pin);
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} else if(pin == 16){
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if(val) GP16O |= 1;
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else GP16O &= ~1;
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}
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}
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*/
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void RA8876::writeCmd(uint8_t x) {
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RA8876_CS_LOW
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SPI.transfer(RA8876_CMD_WRITE);
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SPI.transfer(x);
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RA8876_CS_HIGH
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}
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void RA8876::writeData(uint8_t x) {
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RA8876_CS_LOW
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SPI.transfer(RA8876_DATA_WRITE);
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SPI.transfer(x);
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RA8876_CS_HIGH
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}
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uint8_t RA8876::readData(void) {
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RA8876_CS_LOW
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SPI.transfer(RA8876_DATA_READ);
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uint8_t x = SPI.transfer(0);
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RA8876_CS_HIGH
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return x;
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}
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// Reads the special status register.
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// This register uses a special cycle type instead of having an address like other registers.
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// See data sheet section 19.1.
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uint8_t RA8876::readStatus(void) {
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RA8876_CS_LOW
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SPI.transfer(RA8876_STATUS_READ);
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uint8_t x = SPI.transfer(0);
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RA8876_CS_HIGH
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return x;
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}
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void RA8876::writeReg(uint8_t reg, uint8_t x) {
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writeCmd(reg);
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writeData(x);
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}
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// Like writeReg(), but does two successive register writes of a 16-bit value, low byte first.
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void RA8876::writeReg16(uint8_t reg, uint16_t x) {
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writeCmd(reg);
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writeData(x & 0xFF);
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writeCmd(reg + 1);
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writeData(x >> 8);
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}
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uint8_t RA8876::readReg(uint8_t reg) {
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writeCmd(reg);
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return readData();
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}
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// Like readReg(), but does two successive register reads of a 16-bit value, low byte first.
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uint16_t RA8876::readReg16(uint8_t reg) {
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uint16_t v;
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writeCmd(reg);
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v = readData();
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writeCmd(reg + 1);
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v |= readData() << 8;
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return v;
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}
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// Trigger a soft reset. Note that the data sheet section 19.2 says that this only resets the
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// "internal state machine", not any configuration registers.
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void RA8876::softReset(void) {
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SPI.beginTransaction(m_spiSettings);
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// Trigger soft reset
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writeReg(RA8876_REG_SRR, 0x01);
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delay(5);
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// Wait for status register to show "normal operation".
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uint8_t status;
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for (int i = 0; i < 250; i++) {
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delay(1);
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if (((status = readStatus()) & 0x02) == 0)
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break;
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}
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SPI.endTransaction();
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return;
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}
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void RA8876::DisplayOnff(int8_t on) {
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uint8_t dpcr;
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SPI.beginTransaction(m_spiSettings);
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dpcr = readReg(RA8876_REG_DPCR);
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if (on) {
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dpcr |= 0x40; // Display on
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} else {
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dpcr &= 0x40^0xff; // Display off
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// backlight off
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writeReg(RA8876_REG_TCMPB0L,0);
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writeReg(RA8876_REG_TCMPB0H,0);
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}
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writeReg(RA8876_REG_DPCR, dpcr);
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SPI.endTransaction();
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if (on) {
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dim(dimmer);
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}
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}
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// 0-15
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void RA8876::dim(uint8_t contrast) {
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SPI.beginTransaction(m_spiSettings);
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dimmer=contrast;
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// pwm0 duty
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uint32_t duty=(contrast*1024)/15;
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writeReg(RA8876_REG_TCMPB0L,duty);
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writeReg(RA8876_REG_TCMPB0H,duty>>8);
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SPI.endTransaction();
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}
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// pwm needed for backlight dimmer
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void RA8876::PWM_init(void) {
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SPI.beginTransaction(m_spiSettings);
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writeReg(RA8876_REG_PSCLR,3);
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uint8_t val=RA8876_PWM_TIMER_DIV4<<6|RA8876_PWM_TIMER_DIV4<<4|RA8876_XPWM1_OUTPUT_PWM_TIMER1<<2|RA8876_XPWM0_OUTPUT_PWM_TIMER0;
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writeReg(RA8876_REG_PMUXR,val);
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val=RA8876_PWM_TIMER1_INVERTER_ON<<6|RA8876_PWM_TIMER1_AUTO_RELOAD<<5|RA8876_PWM_TIMER1_START<<4|RA8876_PWM_TIMER0_DEAD_ZONE_DISABLE<<3|
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RA8876_PWM_TIMER0_INVERTER_OFF<<2|RA8876_PWM_TIMER0_AUTO_RELOAD<<1|RA8876_PWM_TIMER0_START;
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writeReg(RA8876_REG_PCFGR,val);
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uint16_t duty=0x00ff;
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// pwm0 duty for backlight
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writeReg(RA8876_REG_TCMPB0L,duty);
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writeReg(RA8876_REG_TCMPB0H,duty>>8);
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// pwm1 duty not needed
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duty=0x00ff;
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writeReg(RA8876_REG_TCMPB1L,duty);
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writeReg(RA8876_REG_TCMPB1H,duty>>8);
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// clocksperiod
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uint16_t clocks_per_period=1024;
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writeReg(RA8876_REG_TCNTB0L,clocks_per_period);
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writeReg(RA8876_REG_TCNTB0H,clocks_per_period>>8);
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writeReg(RA8876_REG_TCNTB1L,clocks_per_period);
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writeReg(RA8876_REG_TCNTB1H,clocks_per_period>>8);
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SPI.endTransaction();
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}
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// Given a target frequency in kHz, finds PLL parameters k and n to reach as
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// close as possible to the target frequency without exceeding it.
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// The k parameter will be constrained to the range 1..kMax.
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// Returns true iff PLL params were found, even if not an exact match.
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bool RA8876::calcPllParams(uint32_t targetFreq, int kMax, PllParams *pll) {
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bool found = false;
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int foundk, foundn;
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uint32_t foundFreq;
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uint32_t foundError; // Amount lower than requested frequency
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// k of 0 (i.e. 2 ** 0 = 1) is possible, but not sure if it's a good idea.
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for (int testk = 1; testk <= kMax; testk++)
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{
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if (m_oscClock % (1 << testk))
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continue; // Step size with this k would be fractional
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int testn = (targetFreq / (m_oscClock / (1 << testk))) - 1;
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if ((testn < 1) || (testn > 63))
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continue; // Param n out of range for this k
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// Fvco constraint found in data sheet section 6.1.2
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uint32_t fvco = m_oscClock * (testn + 1);
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if ((fvco < 100000) && (fvco > 600000))
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continue; // Fvco out of range
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// Found some usable params, but perhaps at a lower frequency than requested.
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uint32_t freq = (m_oscClock * (testn + 1)) / (1 << testk);
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uint32_t error = targetFreq - freq;
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if ((!found) || (found && (foundError > error)))
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{
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found = true;
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foundk = testk;
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foundn = testn;
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foundFreq = freq;
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foundError = error;
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// No need to keep searching if the frequency match was exact
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if (foundError == 0)
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break;
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}
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}
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if (found)
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{
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pll->freq = foundFreq;
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pll->k = foundk;
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pll->n = foundn;
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}
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return found;
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}
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// Calculates the clock frequencies and their PLL parameters.
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bool RA8876::calcClocks(void) {
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// Data sheet section 5.2 gives max clocks:
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// memClock : 166 MHz
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// coreClock: 120 MHz (133MHz if not using internal font)
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// scanClock: 100 MHz
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// Mem clock target is the same as SDRAM speed, but capped at 166 MHz
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uint32_t memClock = m_sdramInfo->speed * 1000;
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if (memClock > 166000)
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memClock = 166000;
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if (!calcPllParams(memClock, 3, &m_memPll))
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return false;
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// Core clock target will be the same as the mem clock, but capped to
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// 120 MHz, because that is the max frequency if we want to use the
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// internal font.
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uint32_t coreClock = m_memPll.freq;
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if (coreClock > 120000)
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coreClock = 120000;
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if (!calcPllParams(coreClock, 3, &m_corePll))
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return false;
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// Scan clock target will be the display's dot clock, but capped at 100 MHz
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uint32_t scanClock = m_displayInfo->dotClock;
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if (scanClock > 100000)
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scanClock = 100000;
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if (!calcPllParams(scanClock, 7, &m_scanPll))
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return false;
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//dumpClocks();
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// Data sheet section 6.1.1 rules:
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// 1. Core clock must be less than or equal to mem clock
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if (m_corePll.freq > m_memPll.freq)
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return false;
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// 2. Core clock must be greater than half mem clock
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if ((m_corePll.freq * 2) <= m_memPll.freq)
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return false;
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// 3. Core clock must be greater than (scan clock * 1.5)
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if (m_corePll.freq <= (m_scanPll.freq + (m_scanPll.freq >> 1)))
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return false;
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return true;
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}
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// Dump clock info to serial monitor.
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/*
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void RA8876::dumpClocks(void)
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{
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Serial.println("\nMem\n---");
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Serial.print("Requested kHz: "); Serial.println(m_sdramInfo->speed * 1000);
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Serial.print("Actual kHz : "); Serial.println(m_memPll.freq);
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Serial.print("PLL k : "); Serial.println(m_memPll.k);
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Serial.print("PLL n : "); Serial.println(m_memPll.n);
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Serial.println("\nCore\n----");
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Serial.print("kHz : "); Serial.println(m_corePll.freq);
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Serial.print("PLL k : "); Serial.println(m_corePll.k);
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Serial.print("PLL n : "); Serial.println(m_corePll.n);
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Serial.println("\nScan\n----");
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Serial.print("Requested kHz: "); Serial.println(m_displayInfo->dotClock);
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Serial.print("Actual kHz : "); Serial.println(m_scanPll.freq);
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Serial.print("PLL k : "); Serial.println(m_scanPll.k);
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Serial.print("PLL n : "); Serial.println(m_scanPll.n);
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// TODO: Frame rate?
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return;
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}
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*/
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bool RA8876::initPLL(void) {
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//Serial.println("init PLL");
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SPI.beginTransaction(m_spiSettings);
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//Serial.print("DRAM_FREQ "); Serial.println(m_memPll.freq);
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//Serial.print("7: "); Serial.println(m_memPll.k << 1);
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//Serial.print("8: "); Serial.println(m_memPll.n);
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writeReg(RA8876_REG_MPLLC1, m_memPll.k << 1);
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writeReg(RA8876_REG_MPLLC2, m_memPll.n);
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//Serial.print("CORE_FREQ "); Serial.println(m_corePll.freq);
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//Serial.print("9: "); Serial.println(m_corePll.k << 1);
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//Serial.print("A: "); Serial.println(m_corePll.n);
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writeReg(RA8876_REG_SPLLC1, m_corePll.k << 1);
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writeReg(RA8876_REG_SPLLC2, m_corePll.n);
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// Per the data sheet, there are two divider fields for the scan clock, but the math seems
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// to work out if we treat k as a single 3-bit number in bits 3..1.
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//Serial.print("SCAN_FREQ "); Serial.println(m_scanPll.freq);
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//Serial.print("5: "); Serial.println(m_scanPll.k << 1);
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//Serial.print("6: "); Serial.println(m_scanPll.n);
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writeReg(RA8876_REG_PPLLC1, m_scanPll.k << 1);
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writeReg(RA8876_REG_PPLLC2, m_scanPll.n);
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// Toggle bit 7 of the CCR register to trigger a reconfiguration of the PLLs
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writeReg(RA8876_REG_CCR, 0x00);
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delay(2);
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writeReg(RA8876_REG_CCR, 0x80);
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delay(2);
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uint8_t ccr = readReg(RA8876_REG_CCR);
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SPI.endTransaction();
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return (ccr & 0x80) ? true : false;
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}
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// Initialize SDRAM interface.
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bool RA8876::initMemory(SdramInfo *info) {
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//Serial.println("init memory");
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uint32_t sdramRefreshRate;
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uint8_t sdrar = 0x00;
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uint8_t sdrmd = 0x00;
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// Refresh rate
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sdramRefreshRate = ((uint32_t) info->refresh * info->speed * 1000) >> info->rowBits;
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// Number of banks
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if (info->banks == 2)
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; // NOP
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else if (info->banks == 4)
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sdrar |= 0x20;
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else
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return false; // Unsupported number of banks
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// Number of row bits
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if ((info->rowBits < 11) || (info->rowBits > 13))
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return false; // Unsupported number of row bits
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else
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sdrar |= ((info->rowBits - 11) & 0x03) << 3;
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// Number of column bits
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if ((info->colBits < 8) || (info->colBits > 12))
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return false; // Unsupported number of column bits
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else
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sdrar |= info->colBits & 0x03;
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// CAS latency
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if ((info->casLatency < 2) || (info->casLatency > 3))
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return false; // Unsupported CAS latency
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else
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sdrmd |= info->casLatency & 0x03;
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SPI.beginTransaction(m_spiSettings);
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//Serial.print("SDRAR: "); Serial.println(sdrar); // Expected: 0x29 (41 decimal)
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writeReg(RA8876_REG_SDRAR, sdrar);
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//Serial.print("SDRMD: "); Serial.println(sdrmd);
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writeReg(RA8876_REG_SDRMD, sdrmd);
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//Serial.print("sdramRefreshRate: "); Serial.println(sdramRefreshRate);
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writeReg(RA8876_REG_SDR_REF_ITVL0, sdramRefreshRate & 0xFF);
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writeReg(RA8876_REG_SDR_REF_ITVL1, sdramRefreshRate >> 8);
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// Trigger SDRAM initialization
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writeReg(RA8876_REG_SDRCR, 0x01);
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// Wait for SDRAM to be ready
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uint8_t status;
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for (int i = 0; i < 250; i++) {
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delay(1);
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if ((status = readStatus()) & 0x40)
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break;
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}
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SPI.endTransaction();
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//Serial.println(status);
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return (status & 0x40) ? true : false;
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}
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void RA8876::DisplayInit(int8_t p,int8_t size,int8_t rot,int8_t font) {
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setRotation(rot);
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setTextWrap(false); // Allow text to run off edges
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cp437(true);
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setTextFont(font&3);
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setTextSize(size&7);
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setTextColor(RA8876_WHITE,RA8876_BLACK);
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|
setCursor(0,0);
|
|
fillScreen(RA8876_BLACK);
|
|
setDrawMode(drawmode);
|
|
PWM_init();
|
|
}
|
|
|
|
bool RA8876::initDisplay() {
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
// Set chip config register
|
|
uint8_t ccr = readReg(RA8876_REG_CCR);
|
|
ccr &= 0xE7; // 24-bit LCD output
|
|
ccr &= 0xFE; // 8-bit host data bus
|
|
writeReg(RA8876_REG_CCR, ccr);
|
|
|
|
writeReg(RA8876_REG_MACR, 0x00); // Direct write, left-to-right-top-to-bottom memory
|
|
|
|
writeReg(RA8876_REG_ICR, 0x00); // Graphics mode, memory is SDRAM
|
|
|
|
uint8_t dpcr = readReg(RA8876_REG_DPCR);
|
|
dpcr &= 0xFB; // Vertical scan top to bottom
|
|
dpcr &= 0xF8; // Colour order RGB
|
|
dpcr |= 0x80; // Panel fetches PDAT at PCLK falling edge
|
|
writeReg(RA8876_REG_DPCR, dpcr);
|
|
|
|
uint8_t pcsr = readReg(RA8876_REG_PCSR);
|
|
pcsr |= 0x80; // XHSYNC polarity high
|
|
pcsr |= 0x40; // XVSYNC polarity high
|
|
pcsr &= 0xDF; // XDE polarity high
|
|
writeReg(RA8876_REG_PCSR, pcsr);
|
|
|
|
// Set display width
|
|
writeReg(RA8876_REG_HDWR, (m_displayInfo->width / 8) - 1);
|
|
writeReg(RA8876_REG_HDWFTR, (m_displayInfo->width % 8));
|
|
|
|
// Set display height
|
|
writeReg(RA8876_REG_VDHR0, (m_displayInfo->height - 1) & 0xFF);
|
|
writeReg(RA8876_REG_VDHR1, (m_displayInfo->height - 1) >> 8);
|
|
|
|
// Set horizontal non-display (back porch)
|
|
writeReg(RA8876_REG_HNDR, (m_displayInfo->hBackPorch / 8) - 1);
|
|
writeReg(RA8876_REG_HNDFTR, (m_displayInfo->hBackPorch % 8));
|
|
|
|
// Set horizontal start position (front porch)
|
|
writeReg(RA8876_REG_HSTR, ((m_displayInfo->hFrontPorch + 4) / 8) - 1);
|
|
|
|
// Set HSYNC pulse width
|
|
writeReg(RA8876_REG_HPWR, ((m_displayInfo->hPulseWidth + 4) / 8) - 1);
|
|
|
|
// Set vertical non-display (back porch)
|
|
writeReg(RA8876_REG_VNDR0, (m_displayInfo->vBackPorch - 1) & 0xFF);
|
|
writeReg(RA8876_REG_VNDR1, (m_displayInfo->vBackPorch - 1) >> 8);
|
|
|
|
// Set vertical start position (front porch)
|
|
writeReg(RA8876_REG_VSTR, m_displayInfo->vFrontPorch - 1);
|
|
|
|
// Set VSYNC pulse width
|
|
writeReg(RA8876_REG_VPWR, m_displayInfo->vPulseWidth - 1);
|
|
|
|
// Set main window to 16 bits per pixel
|
|
writeReg(RA8876_REG_MPWCTR, 0x04); // PIP windows disabled, 16-bpp, enable sync signals
|
|
|
|
// Set main window start address to 0
|
|
writeReg(RA8876_REG_MISA0, 0);
|
|
writeReg(RA8876_REG_MISA1, 0);
|
|
writeReg(RA8876_REG_MISA2, 0);
|
|
writeReg(RA8876_REG_MISA3, 0);
|
|
|
|
// Set main window image width
|
|
writeReg(RA8876_REG_MIW0, m_width & 0xFF);
|
|
writeReg(RA8876_REG_MIW1, m_width >> 8);
|
|
|
|
// Set main window start coordinates
|
|
writeReg(RA8876_REG_MWULX0, 0);
|
|
writeReg(RA8876_REG_MWULX1, 0);
|
|
writeReg(RA8876_REG_MWULY0, 0);
|
|
writeReg(RA8876_REG_MWULY1, 0);
|
|
|
|
// Set canvas start address
|
|
writeReg(RA8876_REG_CVSSA0, 0);
|
|
writeReg(RA8876_REG_CVSSA1, 0);
|
|
writeReg(RA8876_REG_CVSSA2, 0);
|
|
writeReg(RA8876_REG_CVSSA3, 0);
|
|
|
|
// Set canvas width
|
|
writeReg(RA8876_REG_CVS_IMWTH0, m_width & 0xFF);
|
|
writeReg(RA8876_REG_CVS_IMWTH1, m_width >> 8);
|
|
|
|
// Set active window start coordinates
|
|
writeReg(RA8876_REG_AWUL_X0, 0);
|
|
writeReg(RA8876_REG_AWUL_X1, 0);
|
|
writeReg(RA8876_REG_AWUL_Y0, 0);
|
|
writeReg(RA8876_REG_AWUL_Y1, 0);
|
|
|
|
// Set active window dimensions
|
|
writeReg(RA8876_REG_AW_WTH0, m_width & 0xFF);
|
|
writeReg(RA8876_REG_AW_WTH1, m_width >> 8);
|
|
writeReg(RA8876_REG_AW_HT0, m_height & 0xFF);
|
|
writeReg(RA8876_REG_AW_HT1, m_height >> 8);
|
|
|
|
// Set canvas addressing mode/colour depth
|
|
uint8_t aw_color = 0x00; // 2d addressing mode
|
|
if (m_depth == 16)
|
|
aw_color |= 0x01;
|
|
else if (m_depth == 24)
|
|
aw_color |= 0x02;
|
|
writeReg(RA8876_REG_AW_COLOR, aw_color);
|
|
|
|
// Turn on display
|
|
dpcr = readReg(RA8876_REG_DPCR);
|
|
dpcr |= 0x40; // Display on
|
|
writeReg(RA8876_REG_DPCR, dpcr);
|
|
|
|
// TODO: Track backlight pin and turn on backlight
|
|
|
|
SPI.endTransaction();
|
|
|
|
return true;
|
|
}
|
|
|
|
void RA8876::setRotation(uint8_t m) {
|
|
return;
|
|
/*
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
rotation = m % 4; // can't be higher than 3
|
|
switch (rotation) {
|
|
case 0:
|
|
writeReg(RA8876_REG_MACR, 0x00);
|
|
_width = RA8876_TFTWIDTH;
|
|
_height = RA8876_TFTHEIGHT;
|
|
break;
|
|
case 1:
|
|
writeReg(RA8876_REG_MACR, 0x02);
|
|
_width = RA8876_TFTHEIGHT;
|
|
_height = RA8876_TFTWIDTH;
|
|
break;
|
|
case 2:
|
|
writeReg(RA8876_REG_MACR, 0x01);
|
|
_width = RA8876_TFTWIDTH;
|
|
_height = RA8876_TFTHEIGHT;
|
|
break;
|
|
case 3:
|
|
writeReg(RA8876_REG_MACR, 0x03);
|
|
_width = RA8876_TFTHEIGHT;
|
|
_height = RA8876_TFTWIDTH;
|
|
break;
|
|
}
|
|
m_width = _width;
|
|
m_height = _height;
|
|
SPI.endTransaction();*/
|
|
}
|
|
|
|
SdramInfo defaultSdramInfo =
|
|
{
|
|
120, // 120 MHz
|
|
3, // CAS latency 3
|
|
4, // 4 banks
|
|
12, // 12-bit row addresses
|
|
9, // 9-bit column addresses
|
|
64 // 64 millisecond refresh time
|
|
};
|
|
|
|
DisplayInfo defaultDisplayInfo =
|
|
{
|
|
1024, // Display width
|
|
600, // Display height
|
|
50000, // Pixel clock in kHz
|
|
|
|
160, // Horizontal front porch
|
|
160, // Horizontal back porch
|
|
70, // HSYNC pulse width
|
|
|
|
12, // Vertical front porch
|
|
23, // Vertical back porch
|
|
10 // VSYNC pulse width
|
|
};
|
|
|
|
bool RA8876::begin(void) {
|
|
m_sdramInfo = &defaultSdramInfo;
|
|
m_displayInfo = &defaultDisplayInfo;
|
|
m_width = m_displayInfo->width;
|
|
m_height = m_displayInfo->height;
|
|
m_depth = 16;
|
|
m_oscClock = 10000; // 10000kHz or 10MHz
|
|
textcolor = 0xFFFF; // White
|
|
textbgcolor = 0; // black
|
|
m_fontRomInfo.present = false; // No external font ROM chip
|
|
|
|
// Set up chip select pin
|
|
pinMode(m_csPin, OUTPUT);
|
|
digitalWrite(m_csPin, HIGH);
|
|
|
|
if (!calcClocks()) {
|
|
//Serial.println("calcClocks failed");
|
|
return false;
|
|
}
|
|
|
|
#ifndef ESP32
|
|
SPI.begin();
|
|
#else
|
|
SPI.begin(_sclk,_miso,_mosi , -1);
|
|
#endif
|
|
|
|
m_spiSettings = SPISettings(RA8876_SPI_SPEED, MSBFIRST, SPI_MODE3);
|
|
|
|
#ifdef RA8876_DEBUG
|
|
Serial.printf("RA8876 init\n");
|
|
#endif
|
|
|
|
softReset();
|
|
|
|
if (!initPLL()) {
|
|
//Serial.println("initPLL failed");
|
|
return false;
|
|
}
|
|
|
|
#ifdef RA8876_DEBUG
|
|
Serial.printf("RA8876 init pll OK\n");
|
|
#endif
|
|
|
|
if (!initMemory(m_sdramInfo)) {
|
|
//Serial.println("initMemory failed");
|
|
return false;
|
|
}
|
|
|
|
#ifdef RA8876_DEBUG
|
|
Serial.printf("RA8876 init sdram OK\n");
|
|
#endif
|
|
|
|
if (!initDisplay()) {
|
|
//Serial.println("initDisplay failed");
|
|
return false;
|
|
}
|
|
|
|
#ifdef RA8876_DEBUG
|
|
Serial.printf("RA8876 init display OK\n");
|
|
#endif
|
|
|
|
// Set default font
|
|
selectInternalFont(RA8876_FONT_SIZE_16);
|
|
setTextScale(1);
|
|
|
|
#ifdef RA8876_DEBUG
|
|
Serial.printf("RA8876 set scale OK\n");
|
|
#endif
|
|
|
|
setRotation(0);
|
|
|
|
clearScreen(0);
|
|
|
|
#ifdef RA8876_DEBUG
|
|
Serial.printf("RA8876 init complete\n");
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
void RA8876::fillScreen(uint16_t color) {
|
|
clearScreen(color);
|
|
}
|
|
|
|
// Show colour bars of 8 colours in repeating horizontal bars.
|
|
// This does not alter video memory, but rather instructs the video controller to display
|
|
// the pattern rather than the contents of memory.
|
|
void RA8876::colorBarTest(bool enabled) {
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
uint8_t dpcr = readReg(RA8876_REG_DPCR);
|
|
|
|
if (enabled)
|
|
dpcr = dpcr | 0x20;
|
|
else
|
|
dpcr = dpcr & ~0x20;
|
|
|
|
writeReg(RA8876_REG_DPCR, dpcr);
|
|
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
|
|
void RA8876::drawLine(int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color) {
|
|
drawTwoPointShape(x1, y1, x2, y2, color, RA8876_REG_DCR0, 0x80);
|
|
};
|
|
void RA8876::drawRect(int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color) {
|
|
drawTwoPointShape(x1, y1, x1+x2, y1+y2, color, RA8876_REG_DCR1, 0xA0);
|
|
};
|
|
void RA8876::fillRect(int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color) {
|
|
drawTwoPointShape(x1, y1, x1+x2, y1+y2, color, RA8876_REG_DCR1, 0xE0);
|
|
};
|
|
void RA8876::drawTriangle(int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t x3, int16_t y3, uint16_t color) {
|
|
drawThreePointShape(x1, y1, x2, y2, x3, y3, color, RA8876_REG_DCR0, 0xA2);
|
|
};
|
|
void RA8876::fillTriangle(int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t x3, int16_t y3, uint16_t color) {
|
|
drawThreePointShape(x1, y1, x2, y2, x3, y3, color, RA8876_REG_DCR0, 0xE2);
|
|
};
|
|
void RA8876::drawCircle(int16_t x, int16_t y, int16_t radius, uint16_t color) {
|
|
drawEllipseShape(x, y, radius, radius, color, 0x80);
|
|
};
|
|
void RA8876::fillCircle(int16_t x, int16_t y, int16_t radius, uint16_t color) {
|
|
drawEllipseShape(x, y, radius, radius, color, 0xC0);
|
|
};
|
|
|
|
void RA8876::drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color) {
|
|
drawThreePointShape1(x0, y0, x0+w, y0+h, radius, radius, color, RA8876_REG_DCR1, 0xB0);
|
|
}
|
|
void RA8876::fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color) {
|
|
drawThreePointShape1(x0, y0, x0+w, y0+h, radius, radius, color, RA8876_REG_DCR1, 0xF0);
|
|
}
|
|
|
|
void RA8876::clearScreen(uint16_t color) {
|
|
setCursor(0, 0); fillRect(0, 0, m_width, m_height, color);
|
|
};
|
|
|
|
void RA8876::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color) {
|
|
drawTwoPointShape(x, y, x, y+h, color, RA8876_REG_DCR1, 0xE0);
|
|
}
|
|
void RA8876::drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color) {
|
|
drawTwoPointShape(x, y, x+w, y, color, RA8876_REG_DCR1, 0xE0);
|
|
}
|
|
|
|
void RA8876::setTextSize(uint8_t s) {
|
|
setTextScale(s, s);
|
|
textsize_x=s;
|
|
textsize_y=s;
|
|
//Serial.printf("scale %d\n",s);
|
|
}
|
|
|
|
// Picture16bppBteMpuWriteColorExpansionWithChromaKey
|
|
// PAGE1_START_ADDR,SCREEN_WIDTH, 50, 50+128+50+10, 128, 128,COLOR65K_WHITE,COLOR65K_BLACK,"sun.bin");
|
|
// ra8876lite.bteMpuWriteWithROP(s1_addr, s1_image_width, s1_x, s1_y, des_addr, des_image_width, des_x, des_y, width, height, rop_code);
|
|
|
|
|
|
//dCardShowPicture16bppBteMpuWriteWithROP(PAGE1_START_ADDR, SCREEN_WIDTH, 50+128, 50, PAGE1_START_ADDR, SCREEN_WIDTH, 50+128, 50,
|
|
// 128, 128,RA8876_BTE_ROP_CODE_6,"appli.bin");
|
|
|
|
/*bte_Source1_MemoryStartAddr(s1_addr);
|
|
bte_Source1_ImageWidth(s1_image_width);
|
|
|
|
bte_Source1_WindowStartXY(s1_x,s1_y);
|
|
bte_DestinationMemoryStartAddr(des_addr);
|
|
|
|
bte_DestinationImageWidth(des_image_width);
|
|
|
|
bte_DestinationWindowStartXY(des_x,des_y);
|
|
bte_WindowSize(width,height);
|
|
|
|
lcdRegDataWrite(RA8876_BTE_CTRL1,rop_code<<4|RA8876_BTE_MPU_WRITE_WITH_ROP);//91h
|
|
lcdRegDataWrite(RA8876_BTE_COLR,RA8876_S0_COLOR_DEPTH_16BPP<<5|RA8876_S1_COLOR_DEPTH_16BPP<<2|RA8876_DESTINATION_COLOR_DEPTH_16BPP);//92h
|
|
lcdRegDataWrite(RA8876_BTE_CTRL0,RA8876_BTE_ENABLE<<4);//90h
|
|
ramAccessPrepare();
|
|
|
|
// put picturess
|
|
activeWindowXY(x,y);
|
|
activeWindowWH(width,height);
|
|
setPixelCursor(x,y);
|
|
|
|
*/
|
|
void RA8876::setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
|
|
uint16_t xs=x1-x0;
|
|
uint16_t ys=y1-y0;
|
|
cursor_x=x0;
|
|
cursor_y=y0;
|
|
addrw_x1=x0;
|
|
addrw_x2=x1;
|
|
uint8_t flag=0;
|
|
|
|
if (!x0 && !y0 && !x1 && !y1) {
|
|
x0=0;
|
|
y0=0;
|
|
x1=_width;
|
|
y1=_height;
|
|
flag=1;
|
|
}
|
|
|
|
if (x1>_width) x1=_width;
|
|
if (y1>_height) y1=_height;
|
|
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
#if 1
|
|
// activeWindowXY(x,y);
|
|
writeReg(RA8876_REG_AWUL_X0,x0);//56h
|
|
writeReg(RA8876_REG_AWUL_X1,x0>>8);//57h
|
|
writeReg(RA8876_REG_AWUL_Y0,y0);//58h
|
|
writeReg(RA8876_REG_AWUL_Y1,y0>>8);//59h
|
|
|
|
//activeWindowWH(width,height);
|
|
writeReg(RA8876_REG_AW_WTH0,xs);//5ah
|
|
writeReg(RA8876_REG_AW_WTH1,xs>>8);//5bh
|
|
writeReg(RA8876_REG_AW_HT0,ys);//5ch
|
|
writeReg(RA8876_REG_AW_HT1,ys>>8);//5dh
|
|
|
|
//setPixelCursor(x,y);
|
|
writeReg(RA8876_REG_CURH0,x0); //5fh
|
|
writeReg(RA8876_REG_CURH1,x0>>8);//60h
|
|
writeReg(RA8876_REG_CURV0,y0);//61h
|
|
writeReg(RA8876_REG_CURV1,y0>>8);//62h
|
|
|
|
//ramAccessPrepare();
|
|
|
|
#else
|
|
// source address, page1=0
|
|
// bte_Source1_MemoryStartAddr
|
|
uint32_t addr=0;
|
|
writeReg(RA8876_REG_S1_STR0,addr);//9dh
|
|
writeReg(RA8876_REG_S1_STR1,addr>>8);//9eh
|
|
writeReg(RA8876_REG_S1_STR2,addr>>16);//9fh
|
|
writeReg(RA8876_REG_S1_STR3,addr>>24);//a0h
|
|
// screen width
|
|
// bte_Source1_ImageWidth
|
|
uint16_t width=_width;
|
|
writeReg(RA8876_REG_S1_WTH0,width);//abh
|
|
writeReg(RA8876_REG_S1_WTH1,width>>8);//ach
|
|
|
|
// source window
|
|
// bte_Source1_WindowStartXY
|
|
writeReg(RA8876_REG_S1_X0,x0);//adh
|
|
writeReg(RA8876_REG_S1_X1,x0>>8);//aeh
|
|
writeReg(RA8876_REG_S1_Y0,y0);//afh
|
|
writeReg(RA8876_REG_S1_Y1,y0>>8);//b0h
|
|
|
|
// dest mem
|
|
// bte_DestinationMemoryStartAddr
|
|
writeReg(RA8876_REG_DT_STR0,addr);//a7h
|
|
writeReg(RA8876_REG_DT_STR1,addr>>8);//a8h
|
|
writeReg(RA8876_REG_DT_STR2,addr>>16);//a9h
|
|
writeReg(RA8876_REG_DT_STR3,addr>>24);//aah
|
|
|
|
// bte_DestinationImageWidth
|
|
writeReg(RA8876_REG_DT_WTH0,width);//abh
|
|
writeReg(RA8876_REG_DT_WTH1,width>>8);//ach
|
|
|
|
//bte_DestinationWindowStartXY(des_x,des_y);
|
|
writeReg(RA8876_REG_DT_X0,x0);//adh
|
|
writeReg(RA8876_REG_DT_X1,x0>>8);//aeh
|
|
writeReg(RA8876_REG_DT_Y0,y0);//afh
|
|
writeReg(RA8876_REG_DT_Y1,y0>>8);//b0h
|
|
|
|
// bte_WindowSize
|
|
writeReg(RA8876_REG_BTE_WTH0,xs);//b1h
|
|
writeReg(RA8876_REG_BTE_WTH1,xs>>8);//b2h
|
|
writeReg(RA8876_REG_BTE_HIG0,ys);//b3h
|
|
writeReg(RA8876_REG_BTE_HIG1,ys>>8);//b4h
|
|
|
|
|
|
writeReg(RA8876_BTE_CTRL1,RA8876_BTE_ROP_CODE_12<<4|RA8876_BTE_MPU_WRITE_WITH_ROP);//91h
|
|
writeReg(RA8876_BTE_COLR,RA8876_S0_COLOR_DEPTH_16BPP<<5|RA8876_S1_COLOR_DEPTH_16BPP<<2|RA8876_DESTINATION_COLOR_DEPTH_16BPP);//92h
|
|
writeReg(RA8876_BTE_CTRL0,RA8876_BTE_ENABLE<<4);//90h
|
|
|
|
#endif
|
|
|
|
writeCmd(RA8876_REG_MRWDP); //04h();
|
|
|
|
//if (flag) SPI.endTransaction();
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
void RA8876::pushColors(uint16_t *data, uint8_t len, boolean first) {
|
|
SPI.beginTransaction(m_spiSettings);
|
|
while (len--) {
|
|
|
|
//uint16_t color=RA8876_WHITE;
|
|
uint16_t color=*data++;
|
|
//waitWriteFifo();
|
|
writeData(color&0xff);
|
|
//waitWriteFifo();
|
|
writeData(color>>8);
|
|
|
|
}
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
void RA8876::drawPixel(int16_t x, int16_t y, uint16_t color) {
|
|
//Serial.println("drawPixel");
|
|
//Serial.println(readStatus());
|
|
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
writeReg(RA8876_REG_CURH0, x & 0xFF);
|
|
writeReg(RA8876_REG_CURH1, x >> 8);
|
|
|
|
writeReg(RA8876_REG_CURV0, y & 0xFF);
|
|
writeReg(RA8876_REG_CURV1, y >> 8);
|
|
|
|
writeReg(RA8876_REG_MRWDP, color & 0xFF);
|
|
writeReg(RA8876_REG_MRWDP, color >> 8);
|
|
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
void RA8876::drawTwoPointShape(int x1, int y1, int x2, int y2, uint16_t color, uint8_t reg, uint8_t cmd) {
|
|
//Serial.println("drawTwoPointShape");
|
|
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
// First point
|
|
writeReg(RA8876_REG_DLHSR0, x1 & 0xFF);
|
|
writeReg(RA8876_REG_DLHSR1, x1 >> 8);
|
|
writeReg(RA8876_REG_DLVSR0, y1 & 0xFF);
|
|
writeReg(RA8876_REG_DLVSR1, y1 >> 8);
|
|
|
|
// Second point
|
|
writeReg(RA8876_REG_DLHER0, x2 & 0xFF);
|
|
writeReg(RA8876_REG_DLHER1, x2 >> 8);
|
|
writeReg(RA8876_REG_DLVER0, y2 & 0xFF);
|
|
writeReg(RA8876_REG_DLVER1, y2 >> 8);
|
|
|
|
// Colour
|
|
writeReg(RA8876_REG_FGCR, color >> 11 << 3);
|
|
writeReg(RA8876_REG_FGCG, ((color >> 5) & 0x3F) << 2);
|
|
writeReg(RA8876_REG_FGCB, (color & 0x1F) << 3);
|
|
|
|
// Draw
|
|
writeReg(reg, cmd); // Start drawing
|
|
|
|
// Wait for completion
|
|
wait_ready();
|
|
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
|
|
// 1 us => 10 ms
|
|
#define RA8876_TIMEOUT 10000
|
|
|
|
void RA8876::waitWriteFifo(void) {
|
|
uint8_t status = readStatus();
|
|
uint32_t iter = 0;
|
|
while (status & 0x80) {
|
|
status = readStatus();
|
|
iter++;
|
|
if (iter>RA8876_TIMEOUT) {
|
|
// timeout, soft reset
|
|
softReset();
|
|
SPI.beginTransaction(m_spiSettings);
|
|
#ifdef RA8876_DEBUG
|
|
Serial.printf("iter timeout fifo\n");
|
|
#endif
|
|
return;
|
|
}
|
|
}
|
|
};
|
|
|
|
void RA8876::waitTaskBusy(void) {
|
|
//while (readStatus() & 0x08);
|
|
wait_ready();
|
|
};
|
|
|
|
void RA8876::wait_ready(void) {
|
|
uint8_t status = readStatus();
|
|
uint32_t iter = 0;
|
|
while (status & 0x08) {
|
|
status = readStatus();
|
|
iter++;
|
|
if (iter>RA8876_TIMEOUT) {
|
|
// timeout, soft reset
|
|
softReset();
|
|
SPI.beginTransaction(m_spiSettings);
|
|
#ifdef RA8876_DEBUG
|
|
Serial.printf("iter timeout cmd\n");
|
|
#endif
|
|
return;
|
|
}
|
|
}
|
|
// got at max 1800
|
|
// Serial.printf("iter: %d\n",iter);
|
|
}
|
|
|
|
void RA8876::drawThreePointShape(int x1, int y1, int x2, int y2, int x3, int y3, uint16_t color, uint8_t reg, uint8_t cmd) {
|
|
//Serial.println("drawThreePointShape");
|
|
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
// First point
|
|
writeReg(RA8876_REG_DLHSR0, x1 & 0xFF);
|
|
writeReg(RA8876_REG_DLHSR1, x1 >> 8);
|
|
writeReg(RA8876_REG_DLVSR0, y1 & 0xFF);
|
|
writeReg(RA8876_REG_DLVSR1, y1 >> 8);
|
|
|
|
// Second point
|
|
writeReg(RA8876_REG_DLHER0, x2 & 0xFF);
|
|
writeReg(RA8876_REG_DLHER1, x2 >> 8);
|
|
writeReg(RA8876_REG_DLVER0, y2 & 0xFF);
|
|
writeReg(RA8876_REG_DLVER1, y2 >> 8);
|
|
|
|
// Third point
|
|
writeReg(RA8876_REG_DTPH0, x3 & 0xFF);
|
|
writeReg(RA8876_REG_DTPH1, x3 >> 8);
|
|
writeReg(RA8876_REG_DTPV0, y3 & 0xFF);
|
|
writeReg(RA8876_REG_DTPV1, y3 >> 8);
|
|
|
|
// Colour
|
|
writeReg(RA8876_REG_FGCR, color >> 11 << 3);
|
|
writeReg(RA8876_REG_FGCG, ((color >> 5) & 0x3F) << 2);
|
|
writeReg(RA8876_REG_FGCB, (color & 0x1F) << 3);
|
|
|
|
// Draw
|
|
writeReg(reg, cmd); // Start drawing
|
|
|
|
// Wait for completion
|
|
wait_ready();
|
|
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
void RA8876::drawThreePointShape1(int x1, int y1, int x2, int y2, int x3, int y3, uint16_t color, uint8_t reg, uint8_t cmd) {
|
|
//Serial.println("drawThreePointShape");
|
|
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
// First point
|
|
writeReg(RA8876_REG_DLHSR0, x1 & 0xFF);
|
|
writeReg(RA8876_REG_DLHSR1, x1 >> 8);
|
|
writeReg(RA8876_REG_DLVSR0, y1 & 0xFF);
|
|
writeReg(RA8876_REG_DLVSR1, y1 >> 8);
|
|
|
|
// Second point
|
|
writeReg(RA8876_REG_DLHER0, x2 & 0xFF);
|
|
writeReg(RA8876_REG_DLHER1, x2 >> 8);
|
|
writeReg(RA8876_REG_DLVER0, y2 & 0xFF);
|
|
writeReg(RA8876_REG_DLVER1, y2 >> 8);
|
|
|
|
// corner radius
|
|
writeReg(RA8876_REG_ELL_A0, x3 & 0xFF);
|
|
writeReg(RA8876_REG_ELL_A1, x3 >> 8);
|
|
writeReg(RA8876_REG_ELL_B0, y3 & 0xFF);
|
|
writeReg(RA8876_REG_ELL_B1, y3 >> 8);
|
|
|
|
#define RA8876_REG_ELL_A0 0x77 // Draw ellipse major radius 0
|
|
#define RA8876_REG_ELL_A1 0x78 // Draw ellipse major radius 1
|
|
#define RA8876_REG_ELL_B0 0x79 // Draw ellipse minor radius 0
|
|
#define RA8876_REG_ELL_B1 0x7A // Draw ellipse minor radius 1
|
|
|
|
// Colour
|
|
writeReg(RA8876_REG_FGCR, color >> 11 << 3);
|
|
writeReg(RA8876_REG_FGCG, ((color >> 5) & 0x3F) << 2);
|
|
writeReg(RA8876_REG_FGCB, (color & 0x1F) << 3);
|
|
|
|
// Draw
|
|
writeReg(reg, cmd); // Start drawing
|
|
|
|
// Wait for completion
|
|
wait_ready();
|
|
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
void RA8876::drawEllipseShape(int x, int y, int xrad, int yrad, uint16_t color, uint8_t cmd) {
|
|
//Serial.println("drawEllipseShape");
|
|
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
// First point
|
|
writeReg16(RA8876_REG_DEHR0, x);
|
|
writeReg16(RA8876_REG_DEVR0, y);
|
|
|
|
// Radii
|
|
writeReg16(RA8876_REG_ELL_A0, xrad);
|
|
writeReg16(RA8876_REG_ELL_B0, yrad);
|
|
|
|
// Colour
|
|
writeReg(RA8876_REG_FGCR, color >> 11 << 3);
|
|
writeReg(RA8876_REG_FGCG, ((color >> 5) & 0x3F) << 2);
|
|
writeReg(RA8876_REG_FGCB, (color & 0x1F) << 3);
|
|
|
|
// Draw
|
|
writeReg(RA8876_REG_DCR1, cmd); // Start drawing
|
|
|
|
// Wait for completion
|
|
wait_ready();
|
|
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
void RA8876::setCursor(int16_t x, int16_t y) {
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
writeReg16(RA8876_REG_F_CURX0, x);
|
|
writeReg16(RA8876_REG_F_CURY0, y);
|
|
|
|
SPI.endTransaction();
|
|
//Serial.printf("curs %d:%d\n",x,y);
|
|
|
|
cursor_x = x;
|
|
cursor_y = y;
|
|
}
|
|
|
|
int RA8876::getCursorX(void) {
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
int x = readReg16(RA8876_REG_F_CURX0);
|
|
|
|
SPI.endTransaction();
|
|
|
|
return x;
|
|
}
|
|
|
|
int RA8876::getCursorY(void) {
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
int y = readReg16(RA8876_REG_F_CURY0);
|
|
|
|
SPI.endTransaction();
|
|
|
|
return y;
|
|
}
|
|
|
|
// Given a font encoding value, returns the corresponding bit pattern for
|
|
// use by internal fonts.
|
|
uint8_t RA8876::internalFontEncoding(enum FontEncoding enc) {
|
|
uint8_t e;
|
|
switch (enc)
|
|
{
|
|
case RA8876_FONT_ENCODING_8859_2:
|
|
e = 0x01;
|
|
break;
|
|
case RA8876_FONT_ENCODING_8859_4:
|
|
e = 0x02;
|
|
break;
|
|
case RA8876_FONT_ENCODING_8859_5:
|
|
e = 0x03;
|
|
break;
|
|
default:
|
|
e = 0x00; // ISO-8859-1
|
|
break;
|
|
}
|
|
|
|
return e;
|
|
}
|
|
|
|
void RA8876::setTextMode(void) {
|
|
// Restore text colour
|
|
textcolor=textcolor;
|
|
writeReg(RA8876_REG_FGCR, textcolor >> 11 << 3);
|
|
writeReg(RA8876_REG_FGCG, ((textcolor >> 5) & 0x3F) << 2);
|
|
writeReg(RA8876_REG_FGCB, (textcolor & 0x1F) << 3);
|
|
|
|
writeReg(RA8876_REG_BGCR, textbgcolor >> 11 << 3);
|
|
writeReg(RA8876_REG_BGCG, ((textbgcolor >> 5) & 0x3F) << 2);
|
|
writeReg(RA8876_REG_BGCB, (textbgcolor & 0x1F) << 3);
|
|
|
|
waitTaskBusy();
|
|
|
|
// Enable text mode
|
|
uint8_t icr = readReg(RA8876_REG_ICR);
|
|
writeReg(RA8876_REG_ICR, icr | 0x04);
|
|
|
|
SPI.endTransaction();
|
|
if (textcolor==textbgcolor) {
|
|
setDrawMode_reg(1);
|
|
} else {
|
|
setDrawMode_reg(0);
|
|
}
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
}
|
|
|
|
void RA8876::setGraphicsMode(void) {
|
|
waitTaskBusy();
|
|
|
|
// Disable text mode
|
|
uint8_t icr = readReg(RA8876_REG_ICR);
|
|
writeReg(RA8876_REG_ICR, icr & ~0x04);
|
|
}
|
|
|
|
void RA8876::selectInternalFont(enum FontSize size, enum FontEncoding enc) {
|
|
m_fontSource = RA8876_FONT_SOURCE_INTERNAL;
|
|
m_fontSize = size;
|
|
m_fontFlags = 0;
|
|
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
writeReg(RA8876_REG_CCR0, 0x00 | ((size & 0x03) << 4) | internalFontEncoding(enc));
|
|
|
|
uint8_t ccr1 = readReg(RA8876_REG_CCR1);
|
|
//ccr1 |= 0x40; // Transparent background
|
|
ccr1 &=0x40^0xff;
|
|
writeReg(RA8876_REG_CCR1, ccr1);
|
|
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
void RA8876::setDrawMode(uint8_t mode) {
|
|
drawmode=mode;
|
|
setDrawMode_reg(mode);
|
|
}
|
|
|
|
void RA8876::setDrawMode_reg(uint8_t mode) {
|
|
SPI.beginTransaction(m_spiSettings);
|
|
uint8_t ccr1 = readReg(RA8876_REG_CCR1);
|
|
if (mode) {
|
|
ccr1 |= 0x40; // Transparent background
|
|
} else {
|
|
ccr1 &=0x40^0xff; // opaque background
|
|
}
|
|
writeReg(RA8876_REG_CCR1, ccr1);
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
void RA8876::selectExternalFont(enum ExternalFontFamily family, enum FontSize size, enum FontEncoding enc, FontFlags flags) {
|
|
m_fontSource = RA8876_FONT_SOURCE_EXT_ROM;
|
|
m_fontSize = size;
|
|
m_fontFlags = flags;
|
|
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
//Serial.print("CCR0: "); Serial.println(0x40 | ((size & 0x03) << 4), HEX);
|
|
writeReg(RA8876_REG_CCR0, 0x40 | ((size & 0x03) << 4)); // Select external font ROM and size
|
|
|
|
uint8_t ccr1 = readReg(RA8876_REG_CCR1);
|
|
ccr1 |= 0x40; // Transparent background
|
|
//Serial.print("CCR1: "); Serial.println(ccr1, HEX);
|
|
writeReg(RA8876_REG_CCR1, ccr1);
|
|
|
|
//Serial.print("GTFNT_CR: "); Serial.println((enc << 3) | (family & 0x03), HEX);
|
|
writeReg(RA8876_REG_GTFNT_CR, (enc << 3) | (family & 0x03)); // Character encoding and family
|
|
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
/*
|
|
void RA8876::setTextColor(uint16_t color) {
|
|
textcolor = color;
|
|
textbgcolor = color;
|
|
};
|
|
|
|
void RA8876::setTextColor(uint16_t c, uint16_t bg) {
|
|
textcolor = c;
|
|
textbgcolor=bg;
|
|
}
|
|
*/
|
|
|
|
void RA8876::setTextScale(int scale) {
|
|
setTextScale(scale, scale);
|
|
};
|
|
|
|
int RA8876::getTextSizeY(void) {
|
|
return ((m_fontSize + 2) * 8) * m_textScaleY;
|
|
}
|
|
|
|
void RA8876::setTextScale(int xScale, int yScale) {
|
|
xScale = constrain(xScale, 1, 4);
|
|
yScale = constrain(yScale, 1, 4);
|
|
|
|
m_textScaleX = xScale;
|
|
m_textScaleY = yScale;
|
|
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
uint8_t ccr1 = readReg(RA8876_REG_CCR1);
|
|
ccr1 = (ccr1 & 0xF0) | ((xScale - 1) << 2) | (yScale - 1);
|
|
//Serial.println(ccr1, HEX);
|
|
writeReg(RA8876_REG_CCR1, ccr1);
|
|
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
// Similar to write(), but does no special handling of control characters.
|
|
void RA8876::putChars(const char *buffer, size_t size) {
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
setTextMode();
|
|
|
|
// Write characters
|
|
writeCmd(RA8876_REG_MRWDP);
|
|
for (unsigned int i = 0; i < size; i++)
|
|
{
|
|
waitWriteFifo();
|
|
writeData(buffer[i]);
|
|
}
|
|
|
|
setGraphicsMode();
|
|
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
void RA8876::putChars16(const uint16_t *buffer, unsigned int count) {
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
setTextMode();
|
|
|
|
// Write characters
|
|
writeCmd(RA8876_REG_MRWDP);
|
|
for (unsigned int i = 0; i < count; i++)
|
|
{
|
|
waitWriteFifo();
|
|
writeData(buffer[i] >> 8);
|
|
|
|
waitWriteFifo();
|
|
writeData(buffer[i] & 0xFF);
|
|
}
|
|
|
|
setGraphicsMode();
|
|
|
|
SPI.endTransaction();
|
|
}
|
|
|
|
|
|
extern uint8_t wr_redir;
|
|
|
|
size_t RA8876::xwrite(uint8_t c) {
|
|
return xwrite(&c, 1);
|
|
};
|
|
|
|
//#define RA8876_DEBUG
|
|
|
|
size_t RA8876::xwrite(const uint8_t *buffer, size_t size) {
|
|
|
|
#ifdef RA8876_DEBUG
|
|
char buff[128];
|
|
memcpy(buff,buffer,size);
|
|
buff[size]=0;
|
|
Serial.printf("write start: %s\n",buff);
|
|
#endif
|
|
SPI.beginTransaction(m_spiSettings);
|
|
|
|
setTextMode();
|
|
|
|
writeCmd(RA8876_REG_MRWDP); // Set current register for writing to memory
|
|
for (unsigned int i = 0; i < size; i++)
|
|
{
|
|
char c = buffer[i];
|
|
|
|
if (!c) continue;
|
|
|
|
if (c == '\r')
|
|
; // Ignored
|
|
else if (c == '\n')
|
|
{
|
|
SPI.endTransaction();
|
|
setCursor(0, getCursorY() + getTextSizeY());
|
|
SPI.beginTransaction(m_spiSettings);
|
|
writeCmd(RA8876_REG_MRWDP); // Reset current register for writing to memory
|
|
}
|
|
else if ((m_fontFlags & RA8876_FONT_FLAG_XLAT_FULLWIDTH) && ((c >= 0x21) || (c <= 0x7F)))
|
|
{
|
|
// Translate ASCII to Unicode fullwidth form (for Chinese fonts that lack ASCII)
|
|
uint16_t fwc = c - 0x21 + 0xFF01;
|
|
|
|
waitWriteFifo();
|
|
writeData(fwc >> 8);
|
|
|
|
waitWriteFifo();
|
|
writeData(fwc & 0xFF);
|
|
}
|
|
else
|
|
{
|
|
waitWriteFifo();
|
|
writeData(c);
|
|
}
|
|
}
|
|
|
|
setGraphicsMode();
|
|
|
|
SPI.endTransaction();
|
|
|
|
#ifdef RA8876_DEBUG
|
|
Serial.printf("write end:\n");
|
|
#endif
|
|
|
|
return size;
|
|
}
|
|
|
|
void RA8876::FastString(uint16_t x,uint16_t y,uint16_t tcolor, const char* str) {
|
|
setCursor(x,y);
|
|
setTextColor(tcolor,textbgcolor);
|
|
xwrite((uint8_t*)str,strlen(str));
|
|
}
|