392 lines
15 KiB
C++
392 lines
15 KiB
C++
#include "Display_ST77916.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "esp_intr_alloc.h"
|
|
#include "driver/spi_master.h"
|
|
#include "esp_lcd_panel_io.h"
|
|
#include "esp_lcd_st77916.h"
|
|
|
|
#include "esp_lcd_panel_io_interface.h"
|
|
#include "esp_lcd_panel_ops.h"
|
|
|
|
|
|
#define LCD_OPCODE_WRITE_CMD (0x02ULL)
|
|
#define LCD_OPCODE_READ_CMD (0x0BULL)
|
|
#define LCD_OPCODE_WRITE_COLOR (0x32ULL)
|
|
|
|
static const st77916_lcd_init_cmd_t vendor_specific_init_new[] = {
|
|
{0xF0, (uint8_t []){0x28}, 1, 0},
|
|
{0xF2, (uint8_t []){0x28}, 1, 0},
|
|
{0x73, (uint8_t []){0xF0}, 1, 0},
|
|
{0x7C, (uint8_t []){0xD1}, 1, 0},
|
|
{0x83, (uint8_t []){0xE0}, 1, 0},
|
|
{0x84, (uint8_t []){0x61}, 1, 0},
|
|
{0xF2, (uint8_t []){0x82}, 1, 0},
|
|
{0xF0, (uint8_t []){0x00}, 1, 0},
|
|
{0xF0, (uint8_t []){0x01}, 1, 0},
|
|
{0xF1, (uint8_t []){0x01}, 1, 0},
|
|
{0xB0, (uint8_t []){0x56}, 1, 0},
|
|
{0xB1, (uint8_t []){0x4D}, 1, 0},
|
|
{0xB2, (uint8_t []){0x24}, 1, 0},
|
|
{0xB4, (uint8_t []){0x87}, 1, 0},
|
|
{0xB5, (uint8_t []){0x44}, 1, 0},
|
|
{0xB6, (uint8_t []){0x8B}, 1, 0},
|
|
{0xB7, (uint8_t []){0x40}, 1, 0},
|
|
{0xB8, (uint8_t []){0x86}, 1, 0},
|
|
{0xBA, (uint8_t []){0x00}, 1, 0},
|
|
{0xBB, (uint8_t []){0x08}, 1, 0},
|
|
{0xBC, (uint8_t []){0x08}, 1, 0},
|
|
{0xBD, (uint8_t []){0x00}, 1, 0},
|
|
{0xC0, (uint8_t []){0x80}, 1, 0},
|
|
{0xC1, (uint8_t []){0x10}, 1, 0},
|
|
{0xC2, (uint8_t []){0x37}, 1, 0},
|
|
{0xC3, (uint8_t []){0x80}, 1, 0},
|
|
{0xC4, (uint8_t []){0x10}, 1, 0},
|
|
{0xC5, (uint8_t []){0x37}, 1, 0},
|
|
{0xC6, (uint8_t []){0xA9}, 1, 0},
|
|
{0xC7, (uint8_t []){0x41}, 1, 0},
|
|
{0xC8, (uint8_t []){0x01}, 1, 0},
|
|
{0xC9, (uint8_t []){0xA9}, 1, 0},
|
|
{0xCA, (uint8_t []){0x41}, 1, 0},
|
|
{0xCB, (uint8_t []){0x01}, 1, 0},
|
|
{0xD0, (uint8_t []){0x91}, 1, 0},
|
|
{0xD1, (uint8_t []){0x68}, 1, 0},
|
|
{0xD2, (uint8_t []){0x68}, 1, 0},
|
|
{0xF5, (uint8_t []){0x00, 0xA5}, 2, 0},
|
|
{0xDD, (uint8_t []){0x4F}, 1, 0},
|
|
{0xDE, (uint8_t []){0x4F}, 1, 0},
|
|
{0xF1, (uint8_t []){0x10}, 1, 0},
|
|
{0xF0, (uint8_t []){0x00}, 1, 0},
|
|
{0xF0, (uint8_t []){0x02}, 1, 0},
|
|
{0xE0, (uint8_t []){0xF0, 0x0A, 0x10, 0x09, 0x09, 0x36, 0x35, 0x33, 0x4A, 0x29, 0x15, 0x15, 0x2E, 0x34}, 14, 0},
|
|
{0xE1, (uint8_t []){0xF0, 0x0A, 0x0F, 0x08, 0x08, 0x05, 0x34, 0x33, 0x4A, 0x39, 0x15, 0x15, 0x2D, 0x33}, 14, 0},
|
|
{0xF0, (uint8_t []){0x10}, 1, 0},
|
|
{0xF3, (uint8_t []){0x10}, 1, 0},
|
|
{0xE0, (uint8_t []){0x07}, 1, 0},
|
|
{0xE1, (uint8_t []){0x00}, 1, 0},
|
|
{0xE2, (uint8_t []){0x00}, 1, 0},
|
|
{0xE3, (uint8_t []){0x00}, 1, 0},
|
|
{0xE4, (uint8_t []){0xE0}, 1, 0},
|
|
{0xE5, (uint8_t []){0x06}, 1, 0},
|
|
{0xE6, (uint8_t []){0x21}, 1, 0},
|
|
{0xE7, (uint8_t []){0x01}, 1, 0},
|
|
{0xE8, (uint8_t []){0x05}, 1, 0},
|
|
{0xE9, (uint8_t []){0x02}, 1, 0},
|
|
{0xEA, (uint8_t []){0xDA}, 1, 0},
|
|
{0xEB, (uint8_t []){0x00}, 1, 0},
|
|
{0xEC, (uint8_t []){0x00}, 1, 0},
|
|
{0xED, (uint8_t []){0x0F}, 1, 0},
|
|
{0xEE, (uint8_t []){0x00}, 1, 0},
|
|
{0xEF, (uint8_t []){0x00}, 1, 0},
|
|
{0xF8, (uint8_t []){0x00}, 1, 0},
|
|
{0xF9, (uint8_t []){0x00}, 1, 0},
|
|
{0xFA, (uint8_t []){0x00}, 1, 0},
|
|
{0xFB, (uint8_t []){0x00}, 1, 0},
|
|
{0xFC, (uint8_t []){0x00}, 1, 0},
|
|
{0xFD, (uint8_t []){0x00}, 1, 0},
|
|
{0xFE, (uint8_t []){0x00}, 1, 0},
|
|
{0xFF, (uint8_t []){0x00}, 1, 0},
|
|
{0x60, (uint8_t []){0x40}, 1, 0},
|
|
{0x61, (uint8_t []){0x04}, 1, 0},
|
|
{0x62, (uint8_t []){0x00}, 1, 0},
|
|
{0x63, (uint8_t []){0x42}, 1, 0},
|
|
{0x64, (uint8_t []){0xD9}, 1, 0},
|
|
{0x65, (uint8_t []){0x00}, 1, 0},
|
|
{0x66, (uint8_t []){0x00}, 1, 0},
|
|
{0x67, (uint8_t []){0x00}, 1, 0},
|
|
{0x68, (uint8_t []){0x00}, 1, 0},
|
|
{0x69, (uint8_t []){0x00}, 1, 0},
|
|
{0x6A, (uint8_t []){0x00}, 1, 0},
|
|
{0x6B, (uint8_t []){0x00}, 1, 0},
|
|
{0x70, (uint8_t []){0x40}, 1, 0},
|
|
{0x71, (uint8_t []){0x03}, 1, 0},
|
|
{0x72, (uint8_t []){0x00}, 1, 0},
|
|
{0x73, (uint8_t []){0x42}, 1, 0},
|
|
{0x74, (uint8_t []){0xD8}, 1, 0},
|
|
{0x75, (uint8_t []){0x00}, 1, 0},
|
|
{0x76, (uint8_t []){0x00}, 1, 0},
|
|
{0x77, (uint8_t []){0x00}, 1, 0},
|
|
{0x78, (uint8_t []){0x00}, 1, 0},
|
|
{0x79, (uint8_t []){0x00}, 1, 0},
|
|
{0x7A, (uint8_t []){0x00}, 1, 0},
|
|
{0x7B, (uint8_t []){0x00}, 1, 0},
|
|
{0x80, (uint8_t []){0x48}, 1, 0},
|
|
{0x81, (uint8_t []){0x00}, 1, 0},
|
|
{0x82, (uint8_t []){0x06}, 1, 0},
|
|
{0x83, (uint8_t []){0x02}, 1, 0},
|
|
{0x84, (uint8_t []){0xD6}, 1, 0},
|
|
{0x85, (uint8_t []){0x04}, 1, 0},
|
|
{0x86, (uint8_t []){0x00}, 1, 0},
|
|
{0x87, (uint8_t []){0x00}, 1, 0},
|
|
{0x88, (uint8_t []){0x48}, 1, 0},
|
|
{0x89, (uint8_t []){0x00}, 1, 0},
|
|
{0x8A, (uint8_t []){0x08}, 1, 0},
|
|
{0x8B, (uint8_t []){0x02}, 1, 0},
|
|
{0x8C, (uint8_t []){0xD8}, 1, 0},
|
|
{0x8D, (uint8_t []){0x04}, 1, 0},
|
|
{0x8E, (uint8_t []){0x00}, 1, 0},
|
|
{0x8F, (uint8_t []){0x00}, 1, 0},
|
|
{0x90, (uint8_t []){0x48}, 1, 0},
|
|
{0x91, (uint8_t []){0x00}, 1, 0},
|
|
{0x92, (uint8_t []){0x0A}, 1, 0},
|
|
{0x93, (uint8_t []){0x02}, 1, 0},
|
|
{0x94, (uint8_t []){0xDA}, 1, 0},
|
|
{0x95, (uint8_t []){0x04}, 1, 0},
|
|
{0x96, (uint8_t []){0x00}, 1, 0},
|
|
{0x97, (uint8_t []){0x00}, 1, 0},
|
|
{0x98, (uint8_t []){0x48}, 1, 0},
|
|
{0x99, (uint8_t []){0x00}, 1, 0},
|
|
{0x9A, (uint8_t []){0x0C}, 1, 0},
|
|
{0x9B, (uint8_t []){0x02}, 1, 0},
|
|
{0x9C, (uint8_t []){0xDC}, 1, 0},
|
|
{0x9D, (uint8_t []){0x04}, 1, 0},
|
|
{0x9E, (uint8_t []){0x00}, 1, 0},
|
|
{0x9F, (uint8_t []){0x00}, 1, 0},
|
|
{0xA0, (uint8_t []){0x48}, 1, 0},
|
|
{0xA1, (uint8_t []){0x00}, 1, 0},
|
|
{0xA2, (uint8_t []){0x05}, 1, 0},
|
|
{0xA3, (uint8_t []){0x02}, 1, 0},
|
|
{0xA4, (uint8_t []){0xD5}, 1, 0},
|
|
{0xA5, (uint8_t []){0x04}, 1, 0},
|
|
{0xA6, (uint8_t []){0x00}, 1, 0},
|
|
{0xA7, (uint8_t []){0x00}, 1, 0},
|
|
{0xA8, (uint8_t []){0x48}, 1, 0},
|
|
{0xA9, (uint8_t []){0x00}, 1, 0},
|
|
{0xAA, (uint8_t []){0x07}, 1, 0},
|
|
{0xAB, (uint8_t []){0x02}, 1, 0},
|
|
{0xAC, (uint8_t []){0xD7}, 1, 0},
|
|
{0xAD, (uint8_t []){0x04}, 1, 0},
|
|
{0xAE, (uint8_t []){0x00}, 1, 0},
|
|
{0xAF, (uint8_t []){0x00}, 1, 0},
|
|
{0xB0, (uint8_t []){0x48}, 1, 0},
|
|
{0xB1, (uint8_t []){0x00}, 1, 0},
|
|
{0xB2, (uint8_t []){0x09}, 1, 0},
|
|
{0xB3, (uint8_t []){0x02}, 1, 0},
|
|
{0xB4, (uint8_t []){0xD9}, 1, 0},
|
|
{0xB5, (uint8_t []){0x04}, 1, 0},
|
|
{0xB6, (uint8_t []){0x00}, 1, 0},
|
|
{0xB7, (uint8_t []){0x00}, 1, 0},
|
|
|
|
{0xB8, (uint8_t []){0x48}, 1, 0},
|
|
{0xB9, (uint8_t []){0x00}, 1, 0},
|
|
{0xBA, (uint8_t []){0x0B}, 1, 0},
|
|
{0xBB, (uint8_t []){0x02}, 1, 0},
|
|
{0xBC, (uint8_t []){0xDB}, 1, 0},
|
|
{0xBD, (uint8_t []){0x04}, 1, 0},
|
|
{0xBE, (uint8_t []){0x00}, 1, 0},
|
|
{0xBF, (uint8_t []){0x00}, 1, 0},
|
|
{0xC0, (uint8_t []){0x10}, 1, 0},
|
|
{0xC1, (uint8_t []){0x47}, 1, 0},
|
|
{0xC2, (uint8_t []){0x56}, 1, 0},
|
|
{0xC3, (uint8_t []){0x65}, 1, 0},
|
|
{0xC4, (uint8_t []){0x74}, 1, 0},
|
|
{0xC5, (uint8_t []){0x88}, 1, 0},
|
|
{0xC6, (uint8_t []){0x99}, 1, 0},
|
|
{0xC7, (uint8_t []){0x01}, 1, 0},
|
|
{0xC8, (uint8_t []){0xBB}, 1, 0},
|
|
{0xC9, (uint8_t []){0xAA}, 1, 0},
|
|
{0xD0, (uint8_t []){0x10}, 1, 0},
|
|
{0xD1, (uint8_t []){0x47}, 1, 0},
|
|
{0xD2, (uint8_t []){0x56}, 1, 0},
|
|
{0xD3, (uint8_t []){0x65}, 1, 0},
|
|
{0xD4, (uint8_t []){0x74}, 1, 0},
|
|
{0xD5, (uint8_t []){0x88}, 1, 0},
|
|
{0xD6, (uint8_t []){0x99}, 1, 0},
|
|
{0xD7, (uint8_t []){0x01}, 1, 0},
|
|
{0xD8, (uint8_t []){0xBB}, 1, 0},
|
|
{0xD9, (uint8_t []){0xAA}, 1, 0},
|
|
{0xF3, (uint8_t []){0x01}, 1, 0},
|
|
{0xF0, (uint8_t []){0x00}, 1, 0},
|
|
{0x21, (uint8_t []){0x00}, 1, 0},
|
|
{0x11, (uint8_t []){0x00}, 1, 120},
|
|
{0x29, (uint8_t []){0x00}, 1, 0},
|
|
};
|
|
void ST7701_Reset(){
|
|
Set_EXIO(EXIO_PIN2,Low);
|
|
vTaskDelay(pdMS_TO_TICKS(10));
|
|
Set_EXIO(EXIO_PIN2,High);
|
|
vTaskDelay(pdMS_TO_TICKS(50));
|
|
}
|
|
void LCD_Init() {
|
|
ST77916_Init();
|
|
}
|
|
|
|
static void test_draw_bitmap(esp_lcd_panel_handle_t panel_handle)
|
|
{
|
|
uint16_t row_line = ((EXAMPLE_LCD_WIDTH / EXAMPLE_LCD_COLOR_BITS) << 1) >> 1;
|
|
uint8_t byte_per_pixel = EXAMPLE_LCD_COLOR_BITS / 8;
|
|
uint8_t *color = (uint8_t *)heap_caps_calloc(1, row_line * EXAMPLE_LCD_HEIGHT * byte_per_pixel, MALLOC_CAP_DMA);
|
|
|
|
|
|
for (int j = 0; j < EXAMPLE_LCD_COLOR_BITS; j++) {
|
|
for (int i = 0; i < row_line * EXAMPLE_LCD_HEIGHT; i++) {
|
|
for (int k = 0; k < byte_per_pixel; k++) {
|
|
color[i * byte_per_pixel + k] = (SPI_SWAP_DATA_TX(BIT(j), EXAMPLE_LCD_COLOR_BITS) >> (k * 8)) & 0xff;
|
|
}
|
|
}
|
|
esp_lcd_panel_draw_bitmap(panel_handle, 0, j * row_line, EXAMPLE_LCD_HEIGHT, (j + 1) * row_line, color);
|
|
}
|
|
free(color);
|
|
}
|
|
|
|
esp_lcd_panel_handle_t panel_handle = NULL;
|
|
int QSPI_Init(void){
|
|
static const spi_bus_config_t host_config = {
|
|
.data0_io_num = ESP_PANEL_LCD_SPI_IO_DATA0,
|
|
.data1_io_num = ESP_PANEL_LCD_SPI_IO_DATA1,
|
|
.sclk_io_num = ESP_PANEL_LCD_SPI_IO_SCK,
|
|
.data2_io_num = ESP_PANEL_LCD_SPI_IO_DATA2,
|
|
.data3_io_num = ESP_PANEL_LCD_SPI_IO_DATA3,
|
|
.data4_io_num = -1,
|
|
.data5_io_num = -1,
|
|
.data6_io_num = -1,
|
|
.data7_io_num = -1,
|
|
.max_transfer_sz = ESP_PANEL_HOST_SPI_MAX_TRANSFER_SIZE,
|
|
.flags = SPICOMMON_BUSFLAG_MASTER,
|
|
.intr_flags = 0,
|
|
};
|
|
if(spi_bus_initialize(ESP_PANEL_HOST_SPI_ID_DEFAULT, &host_config, SPI_DMA_CH_AUTO) != ESP_OK){
|
|
printf("The SPI initialization failed.\r\n");
|
|
return 0;
|
|
}
|
|
printf("The SPI initialization succeeded.\r\n");
|
|
|
|
esp_lcd_panel_io_spi_config_t io_config ={
|
|
.cs_gpio_num = ESP_PANEL_LCD_SPI_IO_CS,
|
|
.dc_gpio_num = -1,
|
|
.spi_mode = ESP_PANEL_LCD_SPI_MODE,
|
|
.pclk_hz = 5 * 1000 * 1000,
|
|
.trans_queue_depth = ESP_PANEL_LCD_SPI_TRANS_QUEUE_SZ,
|
|
.on_color_trans_done = NULL,
|
|
.user_ctx = NULL,
|
|
.lcd_cmd_bits = ESP_PANEL_LCD_SPI_CMD_BITS,
|
|
.lcd_param_bits = ESP_PANEL_LCD_SPI_PARAM_BITS,
|
|
.flags = {
|
|
.dc_low_on_data = 0,
|
|
.octal_mode = 0,
|
|
.quad_mode = 1,
|
|
.sio_mode = 0,
|
|
.lsb_first = 0,
|
|
.cs_high_active = 0,
|
|
},
|
|
};
|
|
esp_lcd_panel_io_handle_t io_handle = NULL;
|
|
if(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)ESP_PANEL_HOST_SPI_ID_DEFAULT, &io_config, &io_handle) != ESP_OK){
|
|
printf("Failed to set LCD communication parameters -- SPI\r\n");
|
|
return 0;
|
|
}
|
|
printf("LCD communication parameters are set successfully -- SPI\r\n");
|
|
|
|
printf("Install LCD driver of st77916\r\n");
|
|
st77916_vendor_config_t vendor_config={
|
|
.flags = {
|
|
.use_qspi_interface = 1,
|
|
},
|
|
};
|
|
printf("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\r\n");
|
|
esp_err_t ret;
|
|
int lcd_cmd = 0x04;
|
|
uint8_t register_data[4];
|
|
size_t param_size = sizeof(register_data);
|
|
lcd_cmd &= 0xff;
|
|
lcd_cmd <<= 8;
|
|
lcd_cmd |= LCD_OPCODE_READ_CMD << 24; // Use the read opcode instead of write
|
|
ret = esp_lcd_panel_io_rx_param(io_handle, lcd_cmd, register_data, param_size);
|
|
if (ret == ESP_OK) {
|
|
printf("Register 0x04 data: %02x %02x %02x %02x\n", register_data[0], register_data[1], register_data[2], register_data[3]);
|
|
} else {
|
|
printf("Failed to read register 0x04, error code: %d\n", ret);
|
|
}
|
|
// panel_io_spi_del(io_handle);
|
|
io_config.pclk_hz = ESP_PANEL_LCD_SPI_CLK_HZ;
|
|
if(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)ESP_PANEL_HOST_SPI_ID_DEFAULT, &io_config, &io_handle) != ESP_OK){
|
|
printf("Failed to set LCD communication parameters -- SPI\r\n");
|
|
return 0;
|
|
}
|
|
printf("LCD communication parameters are set successfully -- SPI\r\n");
|
|
|
|
// Check register values and configure accordingly
|
|
if (register_data[0] == 0x00 && register_data[1] == 0x7F && register_data[2] == 0x7F && register_data[3] == 0x7F) {
|
|
// Handle the case where the register data matches this pattern
|
|
printf("Vendor-specific initialization for case 1.\n");
|
|
}
|
|
else if (register_data[0] == 0x00 && register_data[1] == 0x02 && register_data[2] == 0x7F && register_data[3] == 0x7F) {
|
|
// Provide vendor-specific initialization commands if register data matches this pattern
|
|
vendor_config.init_cmds = vendor_specific_init_new;
|
|
vendor_config.init_cmds_size = sizeof(vendor_specific_init_new) / sizeof(st77916_lcd_init_cmd_t);
|
|
printf("Vendor-specific initialization for case 2.\n");
|
|
}
|
|
printf("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\r\n");
|
|
|
|
esp_lcd_panel_dev_config_t panel_config={
|
|
.reset_gpio_num = EXAMPLE_LCD_PIN_NUM_RST,
|
|
.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,
|
|
.data_endian = LCD_RGB_DATA_ENDIAN_BIG,
|
|
.bits_per_pixel = EXAMPLE_LCD_COLOR_BITS,
|
|
.flags = {
|
|
.reset_active_high = 0,
|
|
},
|
|
.vendor_config = (void *) &vendor_config,
|
|
};
|
|
esp_lcd_new_panel_st77916(io_handle, &panel_config, &panel_handle);
|
|
|
|
esp_lcd_panel_reset(panel_handle);
|
|
esp_lcd_panel_init(panel_handle);
|
|
// esp_lcd_panel_invert_color(panel_handle,false);
|
|
|
|
esp_lcd_panel_disp_on_off(panel_handle, true);
|
|
test_draw_bitmap(panel_handle);
|
|
return 1;
|
|
}
|
|
|
|
void ST77916_Init() {
|
|
ST7701_Reset();
|
|
pinMode(ESP_PANEL_LCD_SPI_IO_TE, OUTPUT);
|
|
if(!QSPI_Init()){
|
|
printf("ST77916 Failed to be initialized\r\n");
|
|
}
|
|
}
|
|
|
|
void LCD_addWindow(uint16_t Xstart, uint16_t Ystart, uint16_t Xend, uint16_t Yend,uint16_t* color)
|
|
{
|
|
uint32_t size = (Xend - Xstart +1 ) * (Yend - Ystart + 1);
|
|
for (size_t i = 0; i < size; i++) {
|
|
color[i] = (((color[i] >> 8) & 0xFF) | ((color[i] << 8) & 0xFF00));
|
|
}
|
|
// for (size_t i = 0; i < size; i++) {
|
|
// color[i] = 0xFFFF;
|
|
// }
|
|
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 > EXAMPLE_LCD_WIDTH)
|
|
Xend = EXAMPLE_LCD_WIDTH;
|
|
if (Yend > EXAMPLE_LCD_HEIGHT)
|
|
Yend = EXAMPLE_LCD_HEIGHT;
|
|
|
|
// printf("Xstart = %d Ystart = %d Xend = %d Yend = %d \r\n",Xstart, Ystart, Xend, Yend);
|
|
esp_lcd_panel_draw_bitmap(panel_handle, Xstart, Ystart, Xend, Yend, color); // x_end End index on x-axis (x_end not included)
|
|
}
|
|
|
|
|
|
uint8_t LCD_Backlight = 50;
|
|
// backlight
|
|
void Backlight_Init()
|
|
{
|
|
ledcAttach(LCD_Backlight_PIN, Frequency, Resolution);
|
|
ledcWrite(LCD_Backlight_PIN, Dutyfactor);
|
|
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);
|
|
}
|
|
}
|