Tasmota/tasmota/xdsp_05_epaper_29.ino

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/*
xdsp_05_epaper.ino - Display e-paper support for Tasmota
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Copyright (C) 2021 Theo Arends, Gerhard Mutz and Waveshare
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/>.
*/
#ifdef USE_SPI
#ifdef USE_DISPLAY
#ifdef USE_DISPLAY_EPAPER_29
#define XDSP_05 5
#define EPD_TOP 12
#define EPD_FONT_HEIGTH 12
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#define COLORED 1
#define UNCOLORED 0
// using font 8 is opional (num=3)
// very badly readable, but may be useful for graphs
#define USE_TINY_FONT
#include <epd2in9.h>
#include <epdpaint.h>
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//unsigned char image[(EPD_HEIGHT * EPD_WIDTH) / 8];
extern uint8_t *buffer;
uint16_t epd_scroll;
bool epd_init_done = false;
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Epd *epd;
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/*********************************************************************************************/
void EpdInitDriver29(void) {
if (PinUsed(GPIO_EPAPER29_CS) &&
((TasmotaGlobal.soft_spi_enabled & SPI_MOSI) || (TasmotaGlobal.spi_enabled & SPI_MOSI))) {
Settings.display_model = XDSP_05;
if (Settings.display_width != EPD_WIDTH) {
Settings.display_width = EPD_WIDTH;
}
if (Settings.display_height != EPD_HEIGHT) {
Settings.display_height = EPD_HEIGHT;
}
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// allocate screen buffer
if (buffer) free(buffer);
buffer=(unsigned char*)calloc((EPD_WIDTH * EPD_HEIGHT) / 8,1);
if (!buffer) return;
// init renderer
epd = new Epd(EPD_WIDTH, EPD_HEIGHT);
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// whiten display with full update, takes 3 seconds
if (TasmotaGlobal.soft_spi_enabled) {
epd->Begin(Pin(GPIO_EPAPER29_CS), Pin(GPIO_SSPI_MOSI), Pin(GPIO_SSPI_SCLK));
}
else if (TasmotaGlobal.spi_enabled) {
epd->Begin(Pin(GPIO_EPAPER29_CS), Pin(GPIO_SPI_MOSI), Pin(GPIO_SPI_CLK));
}
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renderer = epd;
epd->Init(DISPLAY_INIT_FULL);
epd->Init(DISPLAY_INIT_PARTIAL);
renderer->DisplayInit(DISPLAY_INIT_MODE,Settings.display_size,Settings.display_rotate,Settings.display_font);
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renderer->setTextColor(1,0);
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#ifdef SHOW_SPLASH
// Welcome text
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delay(100);
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renderer->setTextFont(1);
renderer->DrawStringAt(50, 50, "Waveshare E-Paper Display!", COLORED,0);
renderer->Updateframe();
delay(1000);
renderer->fillScreen(0);
#endif
epd_init_done = true;
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AddLog(LOG_LEVEL_INFO, PSTR("DSP: E-Paper 2.9"));
}
}
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/*********************************************************************************************/
/*********************************************************************************************/
#ifdef USE_DISPLAY_MODES1TO5
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#define EPD_FONT_HEIGTH 12
void EpdPrintLog29(void)
{
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disp_refresh--;
if (!disp_refresh) {
disp_refresh = Settings.display_refresh;
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//if (Settings.display_rotate) {
if (!disp_screen_buffer_cols) { DisplayAllocScreenBuffer(); }
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//}
char* txt = DisplayLogBuffer('\040');
if (txt != nullptr) {
uint8_t size = Settings.display_size;
uint16_t theight = size * EPD_FONT_HEIGTH;
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renderer->setTextFont(size);
uint8_t last_row = Settings.display_rows -1;
// epd_scroll = theight; // Start below header
epd_scroll = 0; // Start at top with no header
for (uint32_t i = 0; i < last_row; i++) {
strlcpy(disp_screen_buffer[i], disp_screen_buffer[i +1], disp_screen_buffer_cols);
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renderer->DrawStringAt(0, epd_scroll, disp_screen_buffer[i], COLORED, 0);
epd_scroll += theight;
}
strlcpy(disp_screen_buffer[last_row], txt, disp_screen_buffer_cols);
DisplayFillScreen(last_row);
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renderer->DrawStringAt(0, epd_scroll, disp_screen_buffer[last_row], COLORED, 0);
// EpdDisplayFrame();
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AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION "[%s]"), txt);
}
}
}
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void EpdRefresh29(void) // Every second
{
if (Settings.display_mode) { // Mode 0 is User text
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if (!renderer) return;
/*
char tftdt[Settings.display_cols[0] +1];
char date4[11]; // 24-04-2017
char space[Settings.display_cols[0] - 17];
char time[9]; // 13:45:43
EpdSetFont(1);
snprintf_P(date4, sizeof(date4), PSTR("%02d" D_MONTH_DAY_SEPARATOR "%02d" D_YEAR_MONTH_SEPARATOR "%04d"), RtcTime.day_of_month, RtcTime.month, RtcTime.year);
memset(space, 0x20, sizeof(space));
space[sizeof(space) -1] = '\0';
snprintf_P(time, sizeof(time), PSTR("%02d" D_HOUR_MINUTE_SEPARATOR "%02d" D_MINUTE_SECOND_SEPARATOR "%02d"), RtcTime.hour, RtcTime.minute, RtcTime.second);
snprintf_P(tftdt, sizeof(tftdt), PSTR("%s%s%s"), date4, space, time);
EpdDrawStringAt(0, 0, tftdt, COLORED, 0);
*/
switch (Settings.display_mode) {
case 1: // Text
case 2: // Local
case 3: // Local
case 4: // Mqtt
case 5: // Mqtt
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EpdPrintLog29();
renderer->Updateframe();
break;
}
// EpdDisplayFrame();
}
}
#endif // USE_DISPLAY_MODES1TO5
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
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bool Xdsp05(uint8_t function)
{
bool result = false;
if (FUNC_DISPLAY_INIT_DRIVER == function) {
EpdInitDriver29();
}
else if (epd_init_done && (XDSP_05 == Settings.display_model)) {
switch (function) {
case FUNC_DISPLAY_MODEL:
result = true;
break;
#ifdef USE_DISPLAY_MODES1TO5
case FUNC_DISPLAY_EVERY_SECOND:
EpdRefresh29();
break;
#endif // USE_DISPLAY_MODES1TO5
}
}
return result;
}
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#endif // USE_DISPLAY_EPAPER
#endif // USE_DISPLAY
#endif // USE_SPI