264 lines
6.4 KiB
C
264 lines
6.4 KiB
C
#include "lcd.h"
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static const char *TAG = "LCD";
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// uint16_t dis_buff[LCD_WW][LCD_HH];
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lcd_t lcd_main;
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// SPI 写数据
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esp_err_t lcd_spi_send_data_8(uint8_t data)
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{
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spi_transaction_t trans = {
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.length = 8, // 数据位数
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.flags = SPI_TRANS_USE_TXDATA, // 必须加这个标志
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};
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trans.tx_data[0] = (data);
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esp_err_t err = spi_device_transmit(lcd_spi, &trans);
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return err;
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}
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// SPI 写数据
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esp_err_t lcd_spi_send_data_16(uint16_t data)
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{
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spi_transaction_t trans = {
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.length = 16, // 数据位数
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.flags = SPI_TRANS_USE_TXDATA, // 必须加这个标志
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};
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trans.tx_data[0] = (data >> 8);
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trans.tx_data[1] = (data);
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esp_err_t err = spi_device_transmit(lcd_spi, &trans);
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return err;
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}
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esp_err_t lcd_spi_send_data_any(uint8_t *data, uint16_t len)
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{
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spi_transaction_t trans = {
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.length = len * 8,
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.tx_buffer = data,
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};
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esp_err_t err = spi_device_transmit(lcd_spi, &trans);
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return err;
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}
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// SPI 写命令
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void lcd_spi_send_cmd(uint8_t data)
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{
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esp_err_t err;
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gpio_set_level(LCD_DS, 0);
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err = lcd_spi_send_data_8(data);
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gpio_set_level(LCD_DS, 1);
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if (err != ESP_OK)
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{
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ESP_LOGE(TAG, "命令发送失败:%x", err);
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}
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}
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/******************************************************************************
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函数说明：设置起始和结束地址
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入口数据：x1,x2 设置列的起始和结束地址
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y1,y2 设置行的起始和结束地址
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返回值： 无
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******************************************************************************/
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void lcd_set_window(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
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{
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#if USE_HORIZONTAL == 0
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lcd_spi_send_cmd(0x2a); // 列地址设置
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lcd_spi_send_data_16(x1);
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lcd_spi_send_data_16(x2);
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lcd_spi_send_cmd(0x2b); // 行地址设置
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lcd_spi_send_data_16(y1);
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lcd_spi_send_data_16(y2);
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lcd_spi_send_cmd(0x2c); // 储存器写
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#elif USE_HORIZONTAL == 1
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lcd_spi_send_cmd(0x2a); // 列地址设置
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lcd_spi_send_data_16(x1);
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lcd_spi_send_data_16(x2);
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lcd_spi_send_cmd(0x2b); // 行地址设置
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lcd_spi_send_data_16(y1 + 80);
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lcd_spi_send_data_16(y2 + 80);
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lcd_spi_send_cmd(0x2c); // 储存器写
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#elif USE_HORIZONTAL == 2
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lcd_spi_send_cmd(0x2a); // 列地址设置
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lcd_spi_send_data_16(x1);
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lcd_spi_send_data_16(x2);
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lcd_spi_send_cmd(0x2b); // 行地址设置
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lcd_spi_send_data_16(y1);
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lcd_spi_send_data_16(y2);
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lcd_spi_send_cmd(0x2c); // 储存器写
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#elif USE_HORIZONTAL == 3
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lcd_spi_send_cmd(0x2a); // 列地址设置
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lcd_spi_send_data_16(x1 + 80);
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lcd_spi_send_data_16(x2 + 80);
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lcd_spi_send_cmd(0x2b); // 行地址设置
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lcd_spi_send_data_16(y1);
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lcd_spi_send_data_16(y2);
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lcd_spi_send_cmd(0x2c); // 储存器写
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#endif
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}
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void lcd_one_second_task()
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{
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lcd_main.fps=lcd_main.fps_count;
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lcd_main.fps_count=0;
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ESP_LOGI(TAG, "FPS:%d",lcd_main.fps);
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}
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void lcd_send_full_buf()
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{
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gpio_set_level(LCD_CS, 0);
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lcd_set_window(0, 0, LCD_WW - 1, LCD_HH - 1);
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// 分包发送 单次9600 分16次发送
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spi_transaction_t trans = {
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.length = 9600 * 8, // 数据位数
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};
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uint8_t *d_buf = (uint8_t *)(lcd_main.buf);
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for (uint16_t i = 0; i < 16; i++)
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{
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// trans.length=9600*8;
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trans.tx_buffer = d_buf + (i * 9600);
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spi_device_transmit(lcd_spi, &trans);
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}
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gpio_set_level(LCD_CS, 1);
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//发送成功 帧计数+1
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lcd_main.fps_count+=1;
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}
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void lcd_clear_buf(uint16_t color)
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{
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for (uint32_t i = 0; i < (LCD_WW * LCD_HH); i++)
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{
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lcd_main.buf[i] = color;
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}
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}
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void lcd_init()
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{
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ESP_LOGI(TAG, "配置GPIO");
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// 初始化屏幕IO
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// 配置GPIO
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gpio_config_t io_conf = {
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.pin_bit_mask = (1ULL << LCD_DS) | (1ULL << LCD_CS), // LCD_DS LCD_CS
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.mode = GPIO_MODE_OUTPUT, // 输出模式
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.pull_up_en = GPIO_PULLUP_DISABLE, //
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.pull_down_en = GPIO_PULLDOWN_DISABLE, //
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.intr_type = GPIO_INTR_DISABLE // 禁用中断
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};
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// 应用配置
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gpio_config(&io_conf);
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// 配置 GPIO 驱动能力 (ESP32-C3 支持)
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// gpio_set_drive_capability(VSPI_MISO, GPIO_DRIVE_CAP_3); // 最大驱动
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gpio_set_drive_capability(VSPI_MOSI, GPIO_DRIVE_CAP_3);
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gpio_set_drive_capability(VSPI_SCLK, GPIO_DRIVE_CAP_3);
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ESP_LOGI(TAG, "配置GPIO完成");
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// 设置初始电平
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gpio_set_level(LCD_DS, 0); // 输出低电平
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gpio_set_level(LCD_CS, 0);
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ESP_LOGI(TAG, "等待初始化LCD");
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vTaskDelay(25); //
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// uint8_t data_tmp[16];//数据缓存
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ESP_LOGI(TAG, "初始化LCD");
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lcd_spi_send_cmd(0x36);
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if (USE_HORIZONTAL == 0)
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lcd_spi_send_data_8(0x00);
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else if (USE_HORIZONTAL == 1)
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lcd_spi_send_data_8(0xC0);
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else if (USE_HORIZONTAL == 2)
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lcd_spi_send_data_8(0x70);
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else
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lcd_spi_send_data_8(0xA0);
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lcd_spi_send_cmd(0x3A);
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lcd_spi_send_data_8(0x05);
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lcd_spi_send_cmd(0xB2);
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lcd_spi_send_data_8(0x0C);
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lcd_spi_send_data_8(0x0C);
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lcd_spi_send_data_8(0x00);
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lcd_spi_send_data_8(0x33);
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lcd_spi_send_data_8(0x33);
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lcd_spi_send_cmd(0xB7);
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lcd_spi_send_data_8(0x35);
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lcd_spi_send_cmd(0xBB);
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lcd_spi_send_data_8(0x19);
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lcd_spi_send_cmd(0xC0);
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lcd_spi_send_data_8(0x2C);
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lcd_spi_send_cmd(0xC2);
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lcd_spi_send_data_8(0x01);
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lcd_spi_send_cmd(0xC3);
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lcd_spi_send_data_8(0x12);
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lcd_spi_send_cmd(0xC4);
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lcd_spi_send_data_8(0x20);
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lcd_spi_send_cmd(0xC6);
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lcd_spi_send_data_8(0x0F);
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lcd_spi_send_cmd(0xD0);
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lcd_spi_send_data_8(0xA4);
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lcd_spi_send_data_8(0xA1);
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lcd_spi_send_cmd(0xE0);
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lcd_spi_send_data_8(0xD0);
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lcd_spi_send_data_8(0x04);
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lcd_spi_send_data_8(0x0D);
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lcd_spi_send_data_8(0x11);
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lcd_spi_send_data_8(0x13);
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lcd_spi_send_data_8(0x2B);
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lcd_spi_send_data_8(0x3F);
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lcd_spi_send_data_8(0x54);
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lcd_spi_send_data_8(0x4C);
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lcd_spi_send_data_8(0x18);
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lcd_spi_send_data_8(0x0D);
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lcd_spi_send_data_8(0x0B);
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lcd_spi_send_data_8(0x1F);
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lcd_spi_send_data_8(0x23);
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lcd_spi_send_cmd(0xE1);
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lcd_spi_send_data_8(0xD0);
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lcd_spi_send_data_8(0x04);
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lcd_spi_send_data_8(0x0C);
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lcd_spi_send_data_8(0x11);
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lcd_spi_send_data_8(0x13);
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lcd_spi_send_data_8(0x2C);
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lcd_spi_send_data_8(0x3F);
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lcd_spi_send_data_8(0x44);
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lcd_spi_send_data_8(0x51);
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lcd_spi_send_data_8(0x2F);
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lcd_spi_send_data_8(0x1F);
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lcd_spi_send_data_8(0x1F);
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lcd_spi_send_data_8(0x20);
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lcd_spi_send_data_8(0x23);
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lcd_spi_send_cmd(0x21);
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lcd_spi_send_cmd(0x11);
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vTaskDelay(12);
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lcd_spi_send_cmd(0x29);
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lcd_clear_buf(0xffff);
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gpio_set_level(LCD_CS, 1);
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ESP_LOGI(TAG, "初始化LCD完成");
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}
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