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Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,426 @@ #include "Display_ST7701.h" spi_device_handle_t SPI_handle = NULL; esp_lcd_panel_handle_t panel_handle = NULL; void ST7701_WriteCommand(uint8_t cmd) { spi_transaction_t spi_tran = { .cmd = 0, .addr = cmd, .length = 0, .rxlength = 0, }; spi_device_transmit(SPI_handle, &spi_tran); } void ST7701_WriteData(uint8_t data) { spi_transaction_t spi_tran = { .cmd = 1, .addr = data, .length = 0, .rxlength = 0, }; spi_device_transmit(SPI_handle, &spi_tran); } void ST7701_CS_EN(){ Set_EXIO(EXIO_PIN3,Low); vTaskDelay(pdMS_TO_TICKS(10)); } void ST7701_CS_Dis(){ Set_EXIO(EXIO_PIN3,High); vTaskDelay(pdMS_TO_TICKS(10)); } void ST7701_Reset(){ Set_EXIO(EXIO_PIN1,Low); vTaskDelay(pdMS_TO_TICKS(10)); Set_EXIO(EXIO_PIN1,High); vTaskDelay(pdMS_TO_TICKS(50)); } void ST7701_Init() { spi_bus_config_t buscfg = { .mosi_io_num = LCD_MOSI_PIN, .miso_io_num = -1, .sclk_io_num = LCD_CLK_PIN, .quadwp_io_num = -1, .quadhd_io_num = -1, .max_transfer_sz = 64, // ESP32 S3 max size is 64Kbytes }; spi_bus_initialize(SPI2_HOST, &buscfg, SPI_DMA_CH_AUTO); spi_device_interface_config_t devcfg = { .command_bits = 1, .address_bits = 8, .mode = SPI_MODE0, .clock_speed_hz = 40000000, .spics_io_num = -1, .queue_size = 1, // Not using queues }; spi_bus_add_device(SPI2_HOST, &devcfg, &SPI_handle); ST7701_CS_EN(); ST7701_WriteCommand(0xFF); ST7701_WriteData(0x77); ST7701_WriteData(0x01); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x10); ST7701_WriteCommand(0xC0); ST7701_WriteData(0x3B);//Scan line ST7701_WriteData(0x00); ST7701_WriteCommand(0xC1); ST7701_WriteData(0x0B); //VBP ST7701_WriteData(0x02); ST7701_WriteCommand(0xC2); ST7701_WriteData(0x07); ST7701_WriteData(0x02); ST7701_WriteCommand(0xCC); ST7701_WriteData(0x10); ST7701_WriteCommand(0xCD);//RGB format ST7701_WriteData(0x08); ST7701_WriteCommand(0xB0); // IPS ST7701_WriteData(0x00); // 255 ST7701_WriteData(0x11); // 251 ST7701_WriteData(0x16); // 247 down ST7701_WriteData(0x0e); // 239 ST7701_WriteData(0x11); // 231 ST7701_WriteData(0x06); // 203 ST7701_WriteData(0x05); // 175 ST7701_WriteData(0x09); // 147 ST7701_WriteData(0x08); // 108 ST7701_WriteData(0x21); // 80 ST7701_WriteData(0x06); // 52 ST7701_WriteData(0x13); // 24 ST7701_WriteData(0x10); // 16 ST7701_WriteData(0x29); // 8 down ST7701_WriteData(0x31); // 4 ST7701_WriteData(0x18); // 0 ST7701_WriteCommand(0xB1);// IPS ST7701_WriteData(0x00);// 255 ST7701_WriteData(0x11);// 251 ST7701_WriteData(0x16);// 247 down ST7701_WriteData(0x0e);// 239 ST7701_WriteData(0x11);// 231 ST7701_WriteData(0x07);// 203 ST7701_WriteData(0x05);// 175 ST7701_WriteData(0x09);// 147 ST7701_WriteData(0x09);// 108 ST7701_WriteData(0x21);// 80 ST7701_WriteData(0x05);// 52 ST7701_WriteData(0x13);// 24 ST7701_WriteData(0x11);// 16 ST7701_WriteData(0x2a);// 8 down ST7701_WriteData(0x31);// 4 ST7701_WriteData(0x18);// 0 ST7701_WriteCommand(0xFF); ST7701_WriteData(0x77); ST7701_WriteData(0x01); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x11); ST7701_WriteCommand(0xB0); //VOP 3.5375+ *x 0.0125 ST7701_WriteData(0x6d); //5D ST7701_WriteCommand(0xB1); //VCOM amplitude setting ST7701_WriteData(0x37); // ST7701_WriteCommand(0xB2); //VGH Voltage setting ST7701_WriteData(0x81); //12V ST7701_WriteCommand(0xB3); ST7701_WriteData(0x80); ST7701_WriteCommand(0xB5); //VGL Voltage setting ST7701_WriteData(0x43); //-8.3V ST7701_WriteCommand(0xB7); ST7701_WriteData(0x85); ST7701_WriteCommand(0xB8); ST7701_WriteData(0x20); ST7701_WriteCommand(0xC1); ST7701_WriteData(0x78); ST7701_WriteCommand(0xC2); ST7701_WriteData(0x78); ST7701_WriteCommand(0xD0); ST7701_WriteData(0x88); ST7701_WriteCommand(0xE0); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x02); ST7701_WriteCommand(0xE1); ST7701_WriteData(0x03); ST7701_WriteData(0xA0); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x04); ST7701_WriteData(0xA0); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x20); ST7701_WriteData(0x20); ST7701_WriteCommand(0xE2); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteCommand(0xE3); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x11); ST7701_WriteData(0x00); ST7701_WriteCommand(0xE4); ST7701_WriteData(0x22); ST7701_WriteData(0x00); ST7701_WriteCommand(0xE5); ST7701_WriteData(0x05); ST7701_WriteData(0xEC); ST7701_WriteData(0xA0); ST7701_WriteData(0xA0); ST7701_WriteData(0x07); ST7701_WriteData(0xEE); ST7701_WriteData(0xA0); ST7701_WriteData(0xA0); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteCommand(0xE6); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x11); ST7701_WriteData(0x00); ST7701_WriteCommand(0xE7); ST7701_WriteData(0x22); ST7701_WriteData(0x00); ST7701_WriteCommand(0xE8); ST7701_WriteData(0x06); ST7701_WriteData(0xED); ST7701_WriteData(0xA0); ST7701_WriteData(0xA0); ST7701_WriteData(0x08); ST7701_WriteData(0xEF); ST7701_WriteData(0xA0); ST7701_WriteData(0xA0); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteCommand(0xEB); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x40); ST7701_WriteData(0x40); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteCommand(0xED); ST7701_WriteData(0xFF); ST7701_WriteData(0xFF); ST7701_WriteData(0xFF); ST7701_WriteData(0xBA); ST7701_WriteData(0x0A); ST7701_WriteData(0xBF); ST7701_WriteData(0x45); ST7701_WriteData(0xFF); ST7701_WriteData(0xFF); ST7701_WriteData(0x54); ST7701_WriteData(0xFB); ST7701_WriteData(0xA0); ST7701_WriteData(0xAB); ST7701_WriteData(0xFF); ST7701_WriteData(0xFF); ST7701_WriteData(0xFF); ST7701_WriteCommand(0xEF); ST7701_WriteData(0x10); ST7701_WriteData(0x0D); ST7701_WriteData(0x04); ST7701_WriteData(0x08); ST7701_WriteData(0x3F); ST7701_WriteData(0x1F); ST7701_WriteCommand(0xFF); ST7701_WriteData(0x77); ST7701_WriteData(0x01); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x13); ST7701_WriteCommand(0xEF); ST7701_WriteData(0x08); ST7701_WriteCommand(0xFF); ST7701_WriteData(0x77); ST7701_WriteData(0x01); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteData(0x00); ST7701_WriteCommand(0x36); ST7701_WriteData(0x00); ST7701_WriteCommand(0x3A); ST7701_WriteData(0x66); ST7701_WriteCommand(0x11); vTaskDelay(pdMS_TO_TICKS(480)); ST7701_WriteCommand(0x20); // vTaskDelay(pdMS_TO_TICKS(120)); ST7701_WriteCommand(0x29); ST7701_CS_Dis(); // RGB esp_lcd_rgb_panel_config_t rgb_config = { .clk_src = LCD_CLK_SRC_DEFAULT, .timings = { .pclk_hz = ESP_PANEL_LCD_RGB_TIMING_FREQ_HZ, .h_res = ESP_PANEL_LCD_HEIGHT, .v_res = ESP_PANEL_LCD_WIDTH, .hsync_pulse_width = ESP_PANEL_LCD_RGB_TIMING_HPW, .hsync_back_porch = ESP_PANEL_LCD_RGB_TIMING_HBP, .hsync_front_porch = ESP_PANEL_LCD_RGB_TIMING_HFP, .vsync_pulse_width = ESP_PANEL_LCD_RGB_TIMING_VPW, .vsync_back_porch = ESP_PANEL_LCD_RGB_TIMING_VBP, .vsync_front_porch = ESP_PANEL_LCD_RGB_TIMING_VFP, .flags = { .hsync_idle_low = 0, /*!< The hsync signal is low in IDLE state */ .vsync_idle_low = 0, /*!< The vsync signal is low in IDLE state */ .de_idle_high = 0, /*!< The de signal is high in IDLE state */ .pclk_active_neg = false, .pclk_idle_high = 0, /*!< The PCLK stays at high level in IDLE phase */ }, }, .data_width = ESP_PANEL_LCD_RGB_DATA_WIDTH, .bits_per_pixel = ESP_PANEL_LCD_RGB_PIXEL_BITS, .num_fbs = ESP_PANEL_LCD_RGB_FRAME_BUF_NUM, .bounce_buffer_size_px = 10 * ESP_PANEL_LCD_HEIGHT, .psram_trans_align = 64, .hsync_gpio_num = ESP_PANEL_LCD_PIN_NUM_RGB_HSYNC, .vsync_gpio_num = ESP_PANEL_LCD_PIN_NUM_RGB_VSYNC, .de_gpio_num = ESP_PANEL_LCD_PIN_NUM_RGB_DE, .pclk_gpio_num = ESP_PANEL_LCD_PIN_NUM_RGB_PCLK, .disp_gpio_num = ESP_PANEL_LCD_PIN_NUM_RGB_DISP, .data_gpio_nums = { ESP_PANEL_LCD_PIN_NUM_RGB_DATA0, ESP_PANEL_LCD_PIN_NUM_RGB_DATA1, ESP_PANEL_LCD_PIN_NUM_RGB_DATA2, ESP_PANEL_LCD_PIN_NUM_RGB_DATA3, ESP_PANEL_LCD_PIN_NUM_RGB_DATA4, ESP_PANEL_LCD_PIN_NUM_RGB_DATA5, ESP_PANEL_LCD_PIN_NUM_RGB_DATA6, ESP_PANEL_LCD_PIN_NUM_RGB_DATA7, ESP_PANEL_LCD_PIN_NUM_RGB_DATA8, ESP_PANEL_LCD_PIN_NUM_RGB_DATA9, ESP_PANEL_LCD_PIN_NUM_RGB_DATA10, ESP_PANEL_LCD_PIN_NUM_RGB_DATA11, ESP_PANEL_LCD_PIN_NUM_RGB_DATA12, ESP_PANEL_LCD_PIN_NUM_RGB_DATA13, ESP_PANEL_LCD_PIN_NUM_RGB_DATA14, ESP_PANEL_LCD_PIN_NUM_RGB_DATA15, }, .flags = { .disp_active_low = 0, .refresh_on_demand = 0, .fb_in_psram = true, .double_fb = true, .no_fb = 0, .bb_invalidate_cache = 0, }, }; esp_lcd_new_rgb_panel(&rgb_config, &panel_handle); // esp_lcd_rgb_panel_event_callbacks_t cbs = { // .on_vsync = example_on_vsync_event, // }; // esp_lcd_rgb_panel_register_event_callbacks(panel_handle, &cbs, &disp_drv); esp_lcd_panel_reset(panel_handle); esp_lcd_panel_init(panel_handle); } bool example_on_vsync_event(esp_lcd_panel_handle_t panel, const esp_lcd_rgb_panel_event_data_t *event_data, void *user_data) { BaseType_t high_task_awoken = pdFALSE; return high_task_awoken == pdTRUE; } void LCD_Init() { ST7701_Reset(); ST7701_Init(); Touch_Init(); Backlight_Init(); } void LCD_addWindow(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend,uint8_t* color) { Xend = Xend + 1; // esp_lcd_panel_draw_bitmap: x_end End index on x-axis (x_end not included) Yend = Yend + 1; // esp_lcd_panel_draw_bitmap: y_end End index on y-axis (y_end not included) if (Xend >= ESP_PANEL_LCD_WIDTH) Xend = ESP_PANEL_LCD_WIDTH; if (Yend >= ESP_PANEL_LCD_HEIGHT) Yend = ESP_PANEL_LCD_HEIGHT; esp_lcd_panel_draw_bitmap(panel_handle, Xstart, Ystart, Xend, Yend, color); // x_end End index on x-axis (x_end not included) } // backlight uint8_t LCD_Backlight = 50; void Backlight_Init() { ledcAttach(LCD_Backlight_PIN, Frequency, Resolution); Set_Backlight(LCD_Backlight); //0~100 } void Set_Backlight(uint8_t Light) // { if(Light > Backlight_MAX || Light < 0) printf("Set Backlight parameters in the range of 0 to 100 \r\n"); else{ uint32_t Backlight = Light*10; if(Backlight == 1000) Backlight = 1024; ledcWrite(LCD_Backlight_PIN, Backlight); } } This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. 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Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,73 @@ #pragma once #include <inttypes.h> #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "driver/spi_master.h" #include "driver/gpio.h" #include "esp_heap_caps.h" #include "esp_log.h" #include "esp_lcd_panel_ops.h" #include "esp_lcd_panel_io.h" #include "esp_lcd_panel_rgb.h" #include "driver/spi_master.h" #include "driver/gpio.h" #include "freertos/task.h" #include "TCA9554PWR.h" #include "Touch_CST820.h" #define LCD_CLK_PIN 2 #define LCD_MOSI_PIN 1 #define LCD_Backlight_PIN 6 // Backlight #define PWM_Channel 1 // PWM Channel #define Frequency 20000 // PWM frequency #define Resolution 10 // PWM resolution ratio MAX:13 #define Dutyfactor 500 // PWM Dutyfactor #define Backlight_MAX 100 #define ESP_PANEL_LCD_WIDTH (480) #define ESP_PANEL_LCD_HEIGHT (480) #define ESP_PANEL_LCD_COLOR_BITS (16) #define ESP_PANEL_LCD_RGB_PIXEL_BITS (16) #define ESP_PANEL_LCD_RGB_DATA_WIDTH (16) #define ESP_PANEL_LCD_RGB_TIMING_FREQ_HZ (16 * 1000 * 1000) #define ESP_PANEL_LCD_RGB_TIMING_HPW (8) #define ESP_PANEL_LCD_RGB_TIMING_HBP (10) #define ESP_PANEL_LCD_RGB_TIMING_HFP (50) #define ESP_PANEL_LCD_RGB_TIMING_VPW (3) #define ESP_PANEL_LCD_RGB_TIMING_VBP (8) #define ESP_PANEL_LCD_RGB_TIMING_VFP (8) #define ESP_PANEL_LCD_RGB_FRAME_BUF_NUM (2) #define ESP_PANEL_LCD_RGB_BOUNCE_BUF_SIZE (ESP_PANEL_LCD_WIDTH * 10) // Pin definitions #define ESP_PANEL_LCD_PIN_NUM_RGB_HSYNC (38) #define ESP_PANEL_LCD_PIN_NUM_RGB_VSYNC (39) #define ESP_PANEL_LCD_PIN_NUM_RGB_DE (40) #define ESP_PANEL_LCD_PIN_NUM_RGB_PCLK (41) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA0 (5) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA1 (45) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA2 (48) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA3 (47) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA4 (21) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA5 (14) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA6 (13) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA7 (12) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA8 (11) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA9 (10) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA10 (9) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA11 (46) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA12 (3) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA13 (8) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA14 (18) #define ESP_PANEL_LCD_PIN_NUM_RGB_DATA15 (17) #define ESP_PANEL_LCD_PIN_NUM_RGB_DISP (-1) extern uint8_t LCD_Backlight; extern esp_lcd_panel_handle_t panel_handle; void LCD_Init(); void LCD_addWindow(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend, uint8_t* color); void Backlight_Init(); void Set_Backlight(uint8_t Light); This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. 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Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,35 @@ #include "I2C_Driver.h" void I2C_Init(void) { Wire.begin(I2C_SDA_PIN, I2C_SCL_PIN); } // 寄存器地址为 8 位的 bool I2C_Read(uint8_t Driver_addr, uint8_t Reg_addr, uint8_t *Reg_data, uint32_t Length) { Wire.beginTransmission(Driver_addr); Wire.write(Reg_addr); if ( Wire.endTransmission(true)){ printf("The I2C transmission fails. - I2C Read\r\n"); return -1; } Wire.requestFrom(Driver_addr, Length); for (int i = 0; i < Length; i++) { *Reg_data++ = Wire.read(); } return 0; } bool I2C_Write(uint8_t Driver_addr, uint8_t Reg_addr, const uint8_t *Reg_data, uint32_t Length) { Wire.beginTransmission(Driver_addr); Wire.write(Reg_addr); for (int i = 0; i < Length; i++) { Wire.write(*Reg_data++); } if ( Wire.endTransmission(true)) { printf("The I2C transmission fails. - I2C Write\r\n"); return -1; } return 0; } This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,11 @@ #pragma once #include <Wire.h> #define I2C_SCL_PIN 7 #define I2C_SDA_PIN 15 void I2C_Init(void); bool I2C_Read(uint8_t Driver_addr, uint8_t Reg_addr, uint8_t *Reg_data, uint32_t Length); bool I2C_Write(uint8_t Driver_addr, uint8_t Reg_addr, const uint8_t *Reg_data, uint32_t Length); This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,263 @@ #include <Arduino_GFX_Library.h> #include "TCA9554PWR.h" #include "Display_ST7701.h" #include "Touch_CST820.h" // Display dimensions #define DISPLAY_WIDTH 480 #define DISPLAY_HEIGHT 480 // Color definitions #define COLOR_BLACK 0x0000 #define COLOR_BLUE 0x001F #define COLOR_RED 0xF800 #define COLOR_WHITE 0xFFFF // Custom ST7701 Display Driver that uses existing initialization class Arduino_ST7701 : public Arduino_GFX { public: Arduino_ST7701(Arduino_ESP32RGBPanel *panel, int16_t w = DISPLAY_WIDTH, int16_t h = DISPLAY_HEIGHT) : Arduino_GFX(w, h), _panel(panel) {} bool begin(int32_t speed = GFX_NOT_DEFINED) override { _panel->begin(); LCD_Init(); return true; } protected: void writePixelPreclipped(int16_t x, int16_t y, uint16_t color) override { esp_lcd_panel_draw_bitmap(panel_handle, x, y, x + 1, y + 1, &color); } void writeFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color) override { if (h < 0) { y += h + 1; h = -h; } uint16_t *line = (uint16_t *)malloc(h * sizeof(uint16_t)); if (line) { for (int16_t i = 0; i < h; i++) { line[i] = color; } esp_lcd_panel_draw_bitmap(panel_handle, x, y, x + 1, y + h, line); free(line); } } void writeFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color) override { if (w < 0) { x += w + 1; w = -w; } uint16_t *line = (uint16_t *)malloc(w * sizeof(uint16_t)); if (line) { for (int16_t i = 0; i < w; i++) { line[i] = color; } esp_lcd_panel_draw_bitmap(panel_handle, x, y, x + w, y + 1, line); free(line); } } void writeFillRectPreclipped(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color) override { if (w < 0) { x += w + 1; w = -w; } if (h < 0) { y += h + 1; h = -h; } uint16_t *buffer = (uint16_t *)malloc(w * h * sizeof(uint16_t)); if (buffer) { for (int32_t i = 0; i < w * h; i++) { buffer[i] = color; } esp_lcd_panel_draw_bitmap(panel_handle, x, y, x + w, y + h, buffer); free(buffer); } } private: Arduino_ESP32RGBPanel* _panel; }; // Error handling enum InitStatus { INIT_OK = 0, INIT_I2C_FAILED, INIT_IO_EXPANDER_FAILED, INIT_DISPLAY_FAILED, INIT_TOUCH_FAILED }; // Create RGB Panel instance Arduino_ESP32RGBPanel *rgbpanel = new Arduino_ESP32RGBPanel( ESP_PANEL_LCD_PIN_NUM_RGB_DATA0, // B0 ESP_PANEL_LCD_PIN_NUM_RGB_DATA1, // B1 ESP_PANEL_LCD_PIN_NUM_RGB_DATA2, // B2 ESP_PANEL_LCD_PIN_NUM_RGB_DATA3, // B3 ESP_PANEL_LCD_PIN_NUM_RGB_DATA4, // B4 ESP_PANEL_LCD_PIN_NUM_RGB_DATA5, // G0 ESP_PANEL_LCD_PIN_NUM_RGB_DATA6, // G1 ESP_PANEL_LCD_PIN_NUM_RGB_DATA7, // G2 ESP_PANEL_LCD_PIN_NUM_RGB_DATA8, // G3 ESP_PANEL_LCD_PIN_NUM_RGB_DATA9, // G4 ESP_PANEL_LCD_PIN_NUM_RGB_DATA10, // G5 ESP_PANEL_LCD_PIN_NUM_RGB_DATA11, // R0 ESP_PANEL_LCD_PIN_NUM_RGB_DATA12, // R1 ESP_PANEL_LCD_PIN_NUM_RGB_DATA13, // R2 ESP_PANEL_LCD_PIN_NUM_RGB_DATA14, // R3 ESP_PANEL_LCD_PIN_NUM_RGB_DATA15, // R4 ESP_PANEL_LCD_PIN_NUM_RGB_PCLK, // PCLK ESP_PANEL_LCD_PIN_NUM_RGB_VSYNC, // VSYNC ESP_PANEL_LCD_PIN_NUM_RGB_HSYNC, // HSYNC ESP_PANEL_LCD_PIN_NUM_RGB_DE, // DE DISPLAY_WIDTH, // Width DISPLAY_HEIGHT, // Height 16, // hsync_polarity 10, // hsync_front_porch 8, // hsync_pulse_width 50, // hsync_back_porch 3, // vsync_polarity 8, // vsync_front_porch 8, // vsync_pulse_width 8 // vsync_back_porch ); // Create display driver instance Arduino_ST7701 *gfx = new Arduino_ST7701(rgbpanel); // Touch variables volatile bool touch_enabled = false; uint32_t last_touch_time = 0; const uint32_t TOUCH_DEBOUNCE_MS = 50; // Function prototypes InitStatus initializeHardware(); void handleTouch(); void drawTouchPoint(uint16_t x, uint16_t y, bool pressed); void IRAM_ATTR touchISR(); InitStatus initializeHardware() { // Initialize I2C Wire.begin(I2C_SDA_PIN, I2C_SCL_PIN); delay(100); // Initialize IO Expander TCA9554PWR_Init(0x00); uint8_t io_status = Read_EXIOS(TCA9554_OUTPUT_REG); if (io_status == 0xFF) { Serial.println("IO Expander initialization failed!"); return INIT_IO_EXPANDER_FAILED; } // Enable display power Set_EXIO(EXIO_PIN8, Low); delay(10); // Initialize display using Arduino_GFX begin() if (!static_cast<Arduino_GFX*>(gfx)->begin()) { Serial.println("Display initialization failed!"); return INIT_DISPLAY_FAILED; } // Initialize touch controller if (!Touch_Init()) { Serial.println("Touch controller initialization failed!"); return INIT_TOUCH_FAILED; } // Set up touch interrupt pinMode(CST820_INT_PIN, INPUT_PULLUP); attachInterrupt(digitalPinToInterrupt(CST820_INT_PIN), touchISR, FALLING); touch_enabled = true; return INIT_OK; } void drawTouchPoint(uint16_t x, uint16_t y, bool pressed) { const uint16_t radius = 5; uint16_t color = pressed ? COLOR_RED : COLOR_BLUE; if (!pressed) { gfx->fillCircle(x, y, radius + 1, COLOR_BLUE); return; } gfx->fillCircle(x, y, radius, color); gfx->drawCircle(x, y, radius + 1, COLOR_WHITE); } void handleTouch() { if (!touch_enabled) return; uint32_t current_time = millis(); if (current_time - last_touch_time < TOUCH_DEBOUNCE_MS) return; last_touch_time = current_time; Touch_Read_Data(); if (touch_data.points > 0) { uint16_t x = constrain(touch_data.x, 0, DISPLAY_WIDTH - 1); uint16_t y = constrain(touch_data.y, 0, DISPLAY_HEIGHT - 1); drawTouchPoint(x, y, true); char buf[32]; snprintf(buf, sizeof(buf), "Touch: %d,%d ", x, y); gfx->setTextColor(COLOR_WHITE, COLOR_BLUE); gfx->setCursor(10, 10); gfx->print(buf); if (touch_data.gesture != NONE) { gfx->setCursor(10, 30); gfx->print("Gesture: "); gfx->print(Touch_GestureName()); gfx->print(" "); } } } void IRAM_ATTR touchISR() { Touch_CST820_ISR(); } void setup() { Serial.begin(115200); Serial.println("ESP32-S3 Touch LCD Hello World"); InitStatus status = initializeHardware(); if (status != INIT_OK) { Serial.print("Initialization failed with status: "); Serial.println(status); while (1) { delay(1000); Serial.print("."); } } gfx->setRotation(0); gfx->fillScreen(COLOR_BLUE); gfx->setTextColor(COLOR_WHITE); gfx->setTextSize(3); const char* text = "Touch the screen!"; int16_t x1, y1; uint16_t w, h; gfx->getTextBounds(text, 0, 0, &x1, &y1, &w, &h); int x = (DISPLAY_WIDTH - w) / 2; int y = (DISPLAY_HEIGHT - h) / 2; gfx->setCursor(x, y); gfx->println(text); Serial.println("Setup complete!"); } void loop() { handleTouch(); delay(10); } This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. 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Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,96 @@ #include "TCA9554PWR.h" /***************************************************** Operation register REG ****************************************************/ uint8_t I2C_Read_EXIO(uint8_t REG) // Read the value of the TCA9554PWR register REG { Wire.beginTransmission(TCA9554_ADDRESS); Wire.write(REG); uint8_t result = Wire.endTransmission(); if (result != 0) { printf("The I2C transmission fails. - I2C Read EXIO\r\n"); } Wire.requestFrom(TCA9554_ADDRESS, 1); uint8_t bitsStatus; if (Wire.available()) { bitsStatus = Wire.read(); } return bitsStatus; } uint8_t I2C_Write_EXIO(uint8_t REG,uint8_t Data) // Write Data to the REG register of the TCA9554PWR { Wire.beginTransmission(TCA9554_ADDRESS); Wire.write(REG); Wire.write(Data); uint8_t result = Wire.endTransmission(); if (result != 0) { printf("The I2C transmission fails. - I2C Write EXIO\r\n"); return -1; } return 0; } /********************************************************** Set EXIO mode **********************************************************/ void Mode_EXIO(uint8_t Pin,uint8_t State) // Set the mode of the TCA9554PWR Pin. The default is Output mode (output mode or input mode). State: 0= Output mode 1= input mode { uint8_t bitsStatus = I2C_Read_EXIO(TCA9554_CONFIG_REG); uint8_t Data = (0x01 << (Pin-1)) | bitsStatus; uint8_t result = I2C_Write_EXIO(TCA9554_CONFIG_REG,Data); if (result != 0) { printf("I/O Configuration Failure !!!\r\n"); } } void Mode_EXIOS(uint8_t PinState) // Set the mode of the 7 pins from the TCA9554PWR with PinState { uint8_t result = I2C_Write_EXIO(TCA9554_CONFIG_REG,PinState); if (result != 0) { printf("I/O Configuration Failure !!!\r\n"); } } /********************************************************** Read EXIO status **********************************************************/ uint8_t Read_EXIO(uint8_t Pin) // Read the level of the TCA9554PWR Pin { uint8_t inputBits = I2C_Read_EXIO(TCA9554_INPUT_REG); uint8_t bitStatus = (inputBits >> (Pin-1)) & 0x01; return bitStatus; } uint8_t Read_EXIOS(uint8_t REG = TCA9554_INPUT_REG) // Read the level of all pins of TCA9554PWR, the default read input level state, want to get the current IO output state, pass the parameter TCA9554_OUTPUT_REG, such as Read_EXIOS(TCA9554_OUTPUT_REG); { uint8_t inputBits = I2C_Read_EXIO(REG); return inputBits; } /********************************************************** Set the EXIO output status **********************************************************/ void Set_EXIO(uint8_t Pin,uint8_t State) // Sets the level state of the Pin without affecting the other pins { uint8_t Data; if(State < 2 && Pin < 9 && Pin > 0){ uint8_t bitsStatus = Read_EXIOS(TCA9554_OUTPUT_REG); if(State == 1) Data = (0x01 << (Pin-1)) | bitsStatus; else if(State == 0) Data = (~(0x01 << (Pin-1))) & bitsStatus; uint8_t result = I2C_Write_EXIO(TCA9554_OUTPUT_REG,Data); if (result != 0) { printf("Failed to set GPIO!!!\r\n"); } } else printf("Parameter error, please enter the correct parameter!\r\n"); } void Set_EXIOS(uint8_t PinState) // Set 7 pins to the PinState state such as :PinState=0x23, 0010 0011 state (the highest bit is not used) { uint8_t result = I2C_Write_EXIO(TCA9554_OUTPUT_REG,PinState); if (result != 0) { printf("Failed to set GPIO!!!\r\n"); } } /********************************************************** Flip EXIO state **********************************************************/ void Set_Toggle(uint8_t Pin) // Flip the level of the TCA9554PWR Pin { uint8_t bitsStatus = Read_EXIO(Pin); Set_EXIO(Pin,(bool)!bitsStatus); } /********************************************************* TCA9554PWR Initializes the device ***********************************************************/ void TCA9554PWR_Init(uint8_t PinState) // Set the seven pins to PinState state, for example :PinState=0x23, 0010 0011 State (Output mode or input mode) 0= Output mode 1= Input mode. The default value is output mode { Mode_EXIOS(PinState); } This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,50 @@ #pragma once #include <stdio.h> #include "I2C_Driver.h" #define TCA9554_EXIO1 0x01 #define TCA9554_EXIO2 0x02 #define TCA9554_EXIO3 0x03 #define TCA9554_EXIO4 0x04 #define TCA9554_EXIO5 0x05 #define TCA9554_EXIO6 0x06 #define TCA9554_EXIO7 0x07 /****************************************************** The macro defines the TCA9554PWR information ******************************************************/ #define TCA9554_ADDRESS 0x20 // TCA9554PWR I2C address // TCA9554PWR寄存器地址 #define TCA9554_INPUT_REG 0x00 // Input register,input level #define TCA9554_OUTPUT_REG 0x01 // Output register, high and low level output #define TCA9554_Polarity_REG 0x02 // The Polarity Inversion register (register 2) allows polarity inversion of pins defined as inputs by the Configuration register. #define TCA9554_CONFIG_REG 0x03 // Configuration register, mode configuration #define Low 0 #define High 1 #define EXIO_PIN1 1 #define EXIO_PIN2 2 #define EXIO_PIN3 3 #define EXIO_PIN4 4 #define EXIO_PIN5 5 #define EXIO_PIN6 6 #define EXIO_PIN7 7 #define EXIO_PIN8 8 /***************************************************** Operation register REG ****************************************************/ uint8_t I2C_Read_EXIO(uint8_t REG); // Read the value of the TCA9554PWR register REG uint8_t I2C_Write_EXIO(uint8_t REG,uint8_t Data); // Write Data to the REG register of the TCA9554PWR /********************************************************** Set EXIO mode **********************************************************/ void Mode_EXIO(uint8_t Pin,uint8_t State); // Set the mode of the TCA9554PWR Pin. The default is Output mode (output mode or input mode). State: 0= Output mode 1= input mode void Mode_EXIOS(uint8_t PinState); // Set the mode of the 7 pins from the TCA9554PWR with PinState /********************************************************** Read EXIO status **********************************************************/ uint8_t Read_EXIO(uint8_t Pin); // Read the level of the TCA9554PWR Pin uint8_t Read_EXIOS(uint8_t REG); // Read the level of all pins of TCA9554PWR, the default read input level state, want to get the current IO output state, pass the parameter TCA9554_OUTPUT_REG, such as Read_EXIOS(TCA9554_OUTPUT_REG); /********************************************************** Set the EXIO output status **********************************************************/ void Set_EXIO(uint8_t Pin,uint8_t State); // Sets the level state of the Pin without affecting the other pins void Set_EXIOS(uint8_t PinState); // Set 7 pins to the PinState state such as :PinState=0x23, 0010 0011 state (the highest bit is not used) /********************************************************** Flip EXIO state **********************************************************/ void Set_Toggle(uint8_t Pin); // Flip the level of the TCA9554PWR Pin /********************************************************* TCA9554PWR Initializes the device ***********************************************************/ void TCA9554PWR_Init(uint8_t PinState = 0x00); // Set the seven pins to PinState state, for example :PinState=0x23, 0010 0011 State (the highest bit is not used) (Output mode or input mode) 0= Output mode 1= Input mode. The default value is output mode This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,155 @@ #include "Touch_CST820.h" bool I2C_Read_Touch(uint8_t Driver_addr, uint8_t Reg_addr, uint8_t *Reg_data, uint32_t Length) { Wire.beginTransmission(Driver_addr); Wire.write(Reg_addr); if ( Wire.endTransmission(true)){ printf("The I2C transmission fails. - I2C Read\r\n"); return -1; } Wire.requestFrom(Driver_addr, Length); for (int i = 0; i < Length; i++) { *Reg_data++ = Wire.read(); } return 0; } bool I2C_Write_Touch(uint8_t Driver_addr, uint8_t Reg_addr, const uint8_t *Reg_data, uint32_t Length) { Wire.beginTransmission(Driver_addr); Wire.write(Reg_addr); for (int i = 0; i < Length; i++) { Wire.write(*Reg_data++); } if ( Wire.endTransmission(true)) { printf("The I2C transmission fails. - I2C Write\r\n"); return -1; } return 0; } struct CST820_Touch touch_data = {0}; uint8_t Touch_Init(void) { pinMode(CST820_INT_PIN, INPUT_PULLUP); CST820_Touch_Reset(); CST820_AutoSleep(false); uint16_t Verification = CST820_Read_cfg(); // attachInterrupt(CST820_INT_PIN, Touch_CST820_ISR, interrupt); return true; } /* Reset controller */ uint8_t CST820_Touch_Reset(void) { Set_EXIO(EXIO_PIN2,Low); vTaskDelay(pdMS_TO_TICKS(10)); Set_EXIO(EXIO_PIN2,High); vTaskDelay(pdMS_TO_TICKS(50)); return true; } uint16_t CST820_Read_cfg(void) { uint8_t buf[3]={0}; I2C_Read_Touch(CST820_ADDR, CST820_REG_Version,buf, 1); printf("TouchPad_Version:0x%02x\r\n", buf[0]); I2C_Read_Touch(CST820_ADDR, CST820_REG_ChipID, buf, 3); printf("ChipID:0x%02x ProjID:0x%02x FwVersion:0x%02x \r\n",buf[0], buf[1], buf[2]); return true; } /*! @brief Fall asleep automatically */ void CST820_AutoSleep(bool Sleep_State) { CST820_Touch_Reset(); uint8_t Sleep_State_Set = 0; if(Sleep_State) Sleep_State_Set = 0; else Sleep_State_Set = 0xFF; I2C_Write_Touch(CST820_ADDR, CST820_REG_DisAutoSleep, &Sleep_State_Set, 1); } // reads sensor and touches // updates Touch Points uint8_t Touch_Read_Data(void) { uint8_t buf[6]; uint8_t touchpad_cnt = 0; I2C_Read_Touch(CST820_ADDR, CST820_REG_GestureID, buf, 6); /* touched gesture */ if (buf[0] != 0x00) touch_data.gesture = (GESTURE)buf[0]; if (buf[1] != 0x00) { noInterrupts(); /* Number of touched points */ touch_data.points = (uint8_t)buf[1]; if(touch_data.points > CST820_LCD_TOUCH_MAX_POINTS) touch_data.points = CST820_LCD_TOUCH_MAX_POINTS; /* Fill coordinates */ touch_data.x = ((buf[2] & 0x0F) << 8) + buf[3]; touch_data.y = ((buf[4] & 0x0F) << 8) + buf[5]; interrupts(); // printf(" points=%d \r\n",touch_data.points); } return true; } void example_touchpad_read(void){ Touch_Read_Data(); if (touch_data.gesture != NONE || touch_data.points != 0x00) { // printf("Touch : X=%u Y=%u points=%d\r\n", touch_data.x , touch_data.y,touch_data.points); } else { // data->state = LV_INDEV_STATE_REL; } } void Touch_Loop(void){ if(Touch_interrupts){ Touch_interrupts = false; example_touchpad_read(); } } /*! @brief handle interrupts */ uint8_t Touch_interrupts; void IRAM_ATTR Touch_CST820_ISR(void) { Touch_interrupts = true; } /*! @brief get the gesture event name */ String Touch_GestureName(void) { switch (touch_data.gesture) { case NONE: return "NONE"; break; case SWIPE_DOWN: return "SWIPE DOWN"; break; case SWIPE_UP: return "SWIPE UP"; break; case SWIPE_LEFT: return "SWIPE LEFT"; break; case SWIPE_RIGHT: return "SWIPE RIGHT"; break; case SINGLE_CLICK: return "SINGLE CLICK"; break; case DOUBLE_CLICK: return "DOUBLE CLICK"; break; case LONG_PRESS: return "LONG PRESS"; break; default: return "UNKNOWN"; break; } } This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. 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Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,46 @@ // Touch_CST820.h #pragma once #include "Arduino.h" #include "I2C_Driver.h" #include "TCA9554PWR.h" #define CST820_ADDR 0x15 #define CST820_INT_PIN 16 #define CST820_LCD_TOUCH_MAX_POINTS (1) enum GESTURE { NONE = 0x00, SWIPE_UP = 0x01, SWIPE_DOWN = 0x02, SWIPE_LEFT = 0x03, SWIPE_RIGHT = 0x04, SINGLE_CLICK = 0x05, DOUBLE_CLICK = 0x0B, LONG_PRESS = 0x0C }; #define CST820_REG_Mode 0x00 #define CST820_REG_GestureID 0x01 #define CST820_REG_Version 0x15 #define CST820_REG_ChipID 0xA7 #define CST820_REG_ProjID 0xA8 #define CST820_REG_FwVersion 0xA9 #define CST820_REG_AutoSleepTime 0xF9 #define CST820_REG_DisAutoSleep 0xFE extern uint8_t Touch_interrupts; extern struct CST820_Touch { uint8_t points; // Number of touch points GESTURE gesture; // Gesture type uint16_t x; // X coordinate uint16_t y; // Y coordinate } touch_data; uint8_t Touch_Init(); uint8_t CST820_Touch_Reset(void); void CST820_AutoSleep(bool Sleep_State); uint16_t CST820_Read_cfg(void); String Touch_GestureName(void); uint8_t Touch_Read_Data(void); void IRAM_ATTR Touch_CST820_ISR(void);