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Tasmota/tasmota/xdsp_17_universal.ino

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/*
xdsp_17_universal.ino - universal display driver support for Tasmota
Copyright (C) 2021 Gerhard Mutz and Theo Arends
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#if defined(USE_DISPLAY)
#ifdef USE_UNIVERSAL_DISPLAY
#define XDSP_17 17
#include <uDisplay.h>
bool udisp_init_done = false;
uint8_t ctouch_counter;
#ifdef USE_UFILESYS
extern FS *ffsp;
#endif
#ifndef USE_DISPLAY
uint8_t color_type;
uint16_t fg_color;
uint16_t bg_color;
Renderer *renderer;
#else
extern uint8_t color_type;
extern uint16_t fg_color;
extern uint16_t bg_color;
#endif
#define DISPDESC_SIZE 1000
void Core2DisplayPower(uint8_t on);
void Core2DisplayDim(uint8_t dim);
//#define DSP_ROM_DESC
#ifndef DISP_DESC_FILE
//#define DISP_DESC_FILE "/dispdesc.txt"
#define DISP_DESC_FILE "/display.ini"
#endif
/*********************************************************************************************/
#ifdef DSP_ROM_DESC
const char DSP_SAMPLE_DESC[] PROGMEM = DSP_ROM_DESC
#endif // DSP_ROM_DESC
/*********************************************************************************************/
Renderer *Init_uDisplay(const char *desc, int8_t cs) {
char *ddesc = 0;
char *fbuff;
uDisplay *udisp;
if (TasmotaGlobal.gpio_optiona.udisplay_driver || desc) {
Settings->display_model = XDSP_17;
fbuff = (char*)calloc(DISPDESC_SIZE, 1);
if (!fbuff) return 0;
if (desc) {
memcpy_P(fbuff, desc, DISPDESC_SIZE - 1);
ddesc = fbuff;
AddLog(LOG_LEVEL_INFO, PSTR("DSP: const char descriptor used"));
}
#ifdef USE_UFILESYS
if (ffsp && !TasmotaGlobal.no_autoexec && !ddesc) {
File fp;
fp = ffsp->open(DISP_DESC_FILE, "r");
if (fp > 0) {
uint32_t size = fp.size();
fp.read((uint8_t*)fbuff, size);
fp.close();
ddesc = fbuff;
AddLog(LOG_LEVEL_INFO, PSTR("DSP: File descriptor used"));
}
}
#endif
#ifdef USE_SCRIPT
if (bitRead(Settings->rule_enabled, 0) && !ddesc) {
uint8_t dfound = Run_Scripter(">d",-2,0);
if (dfound == 99) {
char *lp = glob_script_mem.section_ptr + 2;
while (*lp != '\n') lp++;
memcpy(fbuff, lp + 1, DISPDESC_SIZE - 1);
ddesc = fbuff;
AddLog(LOG_LEVEL_INFO, PSTR("DSP: Script descriptor used"));
}
}
#endif // USE_SCRIPT
#ifdef USE_RULES
if (!bitRead(Settings->rule_enabled, 2) && !ddesc) {
// only if rule3 is not enabled for rules
char *cp = Settings->rules[2];
while (*cp == ' ') cp++;
memcpy(fbuff, cp, DISPDESC_SIZE - 1);
if (fbuff[0] == ':' && fbuff[1] == 'H') {
// assume display descriptor, replace space with line feed
for (uint32_t cnt = 0; cnt < DISPDESC_SIZE; cnt++) {
if (fbuff[cnt] == ' ') fbuff[cnt] = '\n';
}
ddesc = fbuff;
AddLog(LOG_LEVEL_INFO, PSTR("DSP: Rule 3 descriptor used"));
}
}
#endif // USE_RULES
#ifdef DSP_ROM_DESC
if (!ddesc) {
memcpy_P(fbuff, DSP_SAMPLE_DESC, sizeof(DSP_SAMPLE_DESC));
ddesc = fbuff;
AddLog(LOG_LEVEL_INFO, PSTR("DSP: Flash descriptor used"));
}
#endif // DSP_ROM_DESC
if (!ddesc) {
AddLog(LOG_LEVEL_INFO, PSTR("DSP: No valid descriptor found"));
if (fbuff) free(fbuff);
return 0;
}
// now replace tasmota vars before passing to driver
char *cp = strstr(ddesc, "I2C");
if (cp) {
cp += 3;
uint8_t wire_n = 1;
if (*cp == '1' || *cp == '2') {
wire_n = *cp & 3;
cp += 2;
} else {
cp++;
}
//,3c,22,21,-1
uint8_t i2caddr = strtol(cp, &cp, 16);
int8_t scl, sda;
scl = replacepin(&cp, Pin(GPIO_I2C_SCL, wire_n - 1));
sda = replacepin(&cp, Pin(GPIO_I2C_SDA, wire_n - 1));
replacepin(&cp, Pin(GPIO_OLED_RESET));
if (wire_n == 1) {
I2cBegin(sda, scl);
}
#ifdef ESP32
if (wire_n == 2) {
I2c2Begin(sda, scl);
}
if (I2cSetDevice(i2caddr, wire_n - 1)) {
I2cSetActiveFound(i2caddr, "DSP-I2C", wire_n - 1);
}
#endif // ESP32
#ifdef ESP8266
if (I2cSetDevice(i2caddr)) {
I2cSetActiveFound(i2caddr, "DSP-I2C");
}
#endif // ESP8266
//AddLog(LOG_LEVEL_INFO, PSTR("DSP: i2c %x, %d, %d, %d!"), i2caddr, wire_n, scl, sda);
}
cp = strstr(ddesc, "SPI,");
if (cp) {
cp += 4;
//; 7 params nr,cs,sclk,mosi,dc,bl,reset,miso
//SPI,*,*,*,*,*,*,*
if (cs < 0) {
switch (*cp) {
case '1':
cs = Pin(GPIO_SPI_CS);
break;
case '2':
cs = Pin(GPIO_SPI_CS, 1);
break;
default:
cs = Pin(GPIO_SSPI_CS);
break;
}
}
if (*cp == '1') {
cp+=2;
replacepin(&cp, cs);
replacepin(&cp, Pin(GPIO_SPI_CLK));
replacepin(&cp, Pin(GPIO_SPI_MOSI));
replacepin(&cp, Pin(GPIO_SPI_DC));
replacepin(&cp, Pin(GPIO_BACKLIGHT));
replacepin(&cp, Pin(GPIO_OLED_RESET));
replacepin(&cp, Pin(GPIO_SPI_MISO));
} else if (*cp == '2') {
cp+=2;
replacepin(&cp, cs);
replacepin(&cp, Pin(GPIO_SPI_CLK, 1));
replacepin(&cp, Pin(GPIO_SPI_MOSI, 1));
replacepin(&cp, Pin(GPIO_SPI_DC, 1));
replacepin(&cp, Pin(GPIO_BACKLIGHT, 1));
replacepin(&cp, Pin(GPIO_OLED_RESET, 1));
replacepin(&cp, Pin(GPIO_SPI_MISO, 1));
} else {
// soft spi pins
cp+=2;
replacepin(&cp, cs);
replacepin(&cp, Pin(GPIO_SSPI_SCLK));
replacepin(&cp, Pin(GPIO_SSPI_MOSI));
replacepin(&cp, Pin(GPIO_SSPI_DC));
replacepin(&cp, Pin(GPIO_BACKLIGHT));
replacepin(&cp, Pin(GPIO_OLED_RESET));
replacepin(&cp, Pin(GPIO_SSPI_MISO));
}
}
/*
File fp;
fp = ffsp->open("/dump.txt", "w");
fp.write((uint8_t*)ddesc, DISPDESC_SIZE);
fp.close();
*/
// init renderer
if (renderer) {
delete renderer;
AddLog(LOG_LEVEL_INFO, PSTR("DSP: reinit"));
}
udisp = new uDisplay(ddesc);
// checck for touch option TI1 or TI2
#ifdef USE_FT5206
cp = strstr(ddesc, ":TI");
if (cp) {
uint8_t wire_n = 1;
cp += 3;
wire_n = (*cp & 3) - 1;
cp += 2;
uint8_t i2caddr = strtol(cp, &cp, 16);
int8_t scl, sda;
scl = replacepin(&cp, Pin(GPIO_I2C_SCL, wire_n));
sda = replacepin(&cp, Pin(GPIO_I2C_SDA, wire_n));
if (wire_n == 0) {
I2cBegin(sda, scl);
}
#ifdef ESP32
if (wire_n == 1) {
I2c2Begin(sda, scl, 400000);
}
if (I2cSetDevice(i2caddr, wire_n)) {
I2cSetActiveFound(i2caddr, "FT5206", wire_n);
}
#endif // ESP32
#ifdef ESP8266
//AddLog(LOG_LEVEL_INFO, PSTR("DSP: touch %x, %d, %d, %d!"), i2caddr, wire_n, scl, sda);
if (I2cSetDevice(i2caddr)) {
I2cSetActiveFound(i2caddr, "FT5206");
}
#endif // ESP8266
// start digitizer
#ifdef ESP32
if (!wire_n) FT5206_Touch_Init(Wire);
else FT5206_Touch_Init(Wire1);
#else
if (!wire_n) FT5206_Touch_Init(Wire);
#endif
}
#endif
#ifdef USE_XPT2046
cp = strstr(ddesc, ":TS,");
if (cp) {
cp+=4;
uint8_t touch_cs = replacepin(&cp, Pin(GPIO_XPT2046_CS));
XPT2046_Touch_Init(touch_cs);
}
#endif
uint8_t inirot = Settings->display_rotate;
cp = strstr(ddesc, ":r,");
if (cp) {
cp+=3;
inirot = strtol(cp, &cp, 10);
}
// release desc buffer
if (fbuff) free(fbuff);
renderer = udisp->Init();
if (!renderer) return 0;
fg_color = renderer->fgcol();
bg_color = renderer->bgcol();
color_type = renderer->color_type();
#ifdef USE_M5STACK_CORE2
renderer->SetPwrCB(Core2DisplayPower);
renderer->SetDimCB(Core2DisplayDim);
#endif
renderer->DisplayInit(DISPLAY_INIT_MODE, Settings->display_size, inirot, Settings->display_font);
Settings->display_width = renderer->width();
Settings->display_height = renderer->height();
ApplyDisplayDimmer();
#ifdef SHOW_SPLASH
renderer->Splash();
#endif
udisp_init_done = true;
AddLog(LOG_LEVEL_INFO, PSTR("DSP: %s!"), renderer->devname());
return renderer;
}
return 0;
}
/*********************************************************************************************/
int8_t replacepin(char **cp, uint16_t pin) {
int8_t res = 0;
char *lp = *cp;
if (*lp == ',') lp++;
if (*lp == '*') {
char val[8];
itoa(pin, val, 10);
uint16_t slen = strlen(val);
//AddLog(LOG_LEVEL_INFO, PSTR("replace pin: %d"), pin);
memmove(lp + slen, lp + 1, strlen(lp));
memmove(lp, val, slen);
}
res= strtol(lp, 0, 10);
char *np = strchr(lp, ',');
if (np) {
*cp = np + 1;
}
return res;
}
#ifdef USE_DISPLAY_MODES1TO5
void UDISP_PrintLog(void)
{
disp_refresh--;
if (!disp_refresh) {
disp_refresh = Settings->display_refresh;
if (!disp_screen_buffer_cols) { DisplayAllocScreenBuffer(); }
char* txt = DisplayLogBuffer('\370');
if (txt != NULL) {
uint8_t last_row = Settings->display_rows -1;
renderer->clearDisplay();
renderer->setTextSize(Settings->display_size);
renderer->setCursor(0,0);
for (byte i = 0; i < last_row; i++) {
strlcpy(disp_screen_buffer[i], disp_screen_buffer[i +1], disp_screen_buffer_cols);
renderer->println(disp_screen_buffer[i]);
}
strlcpy(disp_screen_buffer[last_row], txt, disp_screen_buffer_cols);
DisplayFillScreen(last_row);
AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_DEBUG "[%s]"), disp_screen_buffer[last_row]);
renderer->println(disp_screen_buffer[last_row]);
renderer->Updateframe();
}
}
}
void UDISP_Time(void)
{
char line[12];
renderer->clearDisplay();
renderer->setTextSize(Settings->display_size);
renderer->setTextFont(Settings->display_font);
renderer->setCursor(0, 0);
snprintf_P(line, sizeof(line), PSTR(" %02d" D_HOUR_MINUTE_SEPARATOR "%02d" D_MINUTE_SECOND_SEPARATOR "%02d"), RtcTime.hour, RtcTime.minute, RtcTime.second); // [ 12:34:56 ]
renderer->println(line);
renderer->println();
snprintf_P(line, sizeof(line), PSTR("%02d" D_MONTH_DAY_SEPARATOR "%02d" D_YEAR_MONTH_SEPARATOR "%04d"), RtcTime.day_of_month, RtcTime.month, RtcTime.year); // [01-02-2018]
renderer->println(line);
renderer->Updateframe();
}
void UDISP_Refresh(void) // Every second
{
if (!renderer) return;
if (Settings->display_mode) { // Mode 0 is User text
switch (Settings->display_mode) {
case 1: // Time
UDISP_Time();
break;
case 2: // Local
case 3: // Local
case 4: // Mqtt
case 5: // Mqtt
UDISP_PrintLog();
break;
}
}
}
#endif // USE_DISPLAY_MODES1TO5
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdsp17(uint8_t function) {
bool result = false;
if (FUNC_DISPLAY_INIT_DRIVER == function) {
Init_uDisplay(nullptr);
}
else if (udisp_init_done && (XDSP_17 == Settings->display_model)) {
switch (function) {
case FUNC_DISPLAY_MODEL:
result = true;
break;
#ifdef USE_DISPLAY_MODES1TO5
case FUNC_DISPLAY_EVERY_SECOND:
UDISP_Refresh();
break;
#endif // USE_DISPLAY_MODES1TO5
}
}
return result;
}
#endif // USE_UNIVERSAL_DISPLAY
#endif // USE_DISPLAY
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