485 lines
15 KiB
C
485 lines
15 KiB
C
#include <stdio.h>
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#include "esp32_s3_szp.h"
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static const char *TAG = "esp32_s3_szp";
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/******************************************************************************/
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/*************************** LED ↓ *******************************************/
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void LED_init(void)
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{
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gpio_config_t io_conf = {};
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// 配置LDAC
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io_conf.intr_type = GPIO_INTR_DISABLE;
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io_conf.mode = GPIO_MODE_OUTPUT;
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io_conf.pin_bit_mask = (1ULL << LED_PIN);
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io_conf.pull_down_en = 0;
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io_conf.pull_up_en = 0;
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gpio_config(&io_conf);
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gpio_set_level(LED_PIN, 1);
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}
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/*************************** LED ↑ *******************************************/
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/*******************************************************************************/
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/******************************************************************************/
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/*************************** I2C ↓ *******************************************/
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esp_err_t bsp_i2c_init(void)
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{
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i2c_config_t i2c_conf = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = BSP_I2C_SDA,
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.sda_pullup_en = GPIO_PULLUP_ENABLE,
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.scl_io_num = BSP_I2C_SCL,
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.scl_pullup_en = GPIO_PULLUP_ENABLE,
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.master.clk_speed = BSP_I2C_FREQ_HZ
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};
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i2c_param_config(BSP_I2C_NUM, &i2c_conf);
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return i2c_driver_install(BSP_I2C_NUM, i2c_conf.mode, 0, 0, 0);
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}
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/*************************** I2C ↑ *******************************************/
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/*******************************************************************************/
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/******************************************************************************/
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/*************************** AD5328BRUZ ↓ ******************************************/
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// 全局SPI2设备句柄
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spi_device_handle_t handle;
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// 初始化SPI总线
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esp_err_t init_spi() {
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spi_bus_config_t bus_config = {
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.miso_io_num = GPIO_NUM_NC, // 不使用MISO
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.mosi_io_num = PIN_MOSI, // MOSI引脚
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.sclk_io_num = PIN_SCK, // SCK引脚
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.quadhd_io_num = GPIO_NUM_NC,
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.quadwp_io_num = GPIO_NUM_NC,
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};
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esp_err_t ret = spi_bus_initialize(SPI_HOST, &bus_config, 0);
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if (ret != ESP_OK) {
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ESP_LOGE("SPI2", "Failed to initialize SPI bus.");
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return ret;
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}
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return ESP_OK;
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}
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// 初始化SPI设备（AD5328BRUZ）
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esp_err_t init_spi_device() {
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spi_device_interface_config_t dev_config = {
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.clock_speed_hz = 1000000, // 1 MHz SPI时钟
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.mode = 0, // SPI模式0
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.spics_io_num = PIN_CS, // SPI片选引脚
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.queue_size = 1, // 队列大小
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.flags = SPI_DEVICE_HALFDUPLEX, // 半双工模式
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};
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esp_err_t ret = spi_bus_add_device(SPI_HOST, &dev_config, &handle);
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if (ret != ESP_OK) {
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ESP_LOGE("SPI2", "Failed to add SPI device.");
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return ret;
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}
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// 确保设备句柄有效
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if (handle == NULL) {
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ESP_LOGE("SPI2", "Invalid device handle.");
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return ESP_FAIL;
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}
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return ESP_OK;
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}
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// 配置LDAC引脚
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void configure_ldac() {
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gpio_config_t io_conf = {};
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// 配置LDAC
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io_conf.intr_type = GPIO_INTR_DISABLE;
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io_conf.mode = GPIO_MODE_OUTPUT;
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io_conf.pin_bit_mask = (1ULL << PIN_LDAC);
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io_conf.pull_down_en = 0;
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io_conf.pull_up_en = 0;
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gpio_config(&io_conf);
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// 配置DAC_EN
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io_conf.pin_bit_mask = (1ULL << DAC_EN);
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gpio_config(&io_conf);
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gpio_set_level(DAC_EN, 1);
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}
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// 设置LDAC电平
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void set_ldac_level(bool level) {
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gpio_set_level(PIN_LDAC, level);
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}
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// 计算并设置指定通道的输出电压
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void set_channel_voltage(uint8_t channel, float voltage) {
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if (channel > 7) {
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ESP_LOGE("DAC", "Invalid channel: %d. Only channels 0-7 are valid.", channel);
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return;
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}
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// 将电压转换为12位数字值
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uint16_t dac_value = (uint16_t)((voltage / V_REF) * 4095);
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// 准备SPI数据包
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uint8_t tx_data[2] = {
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((channel & 0x07) << 4) | ((dac_value >> 8) & 0x0F), // 高字节：通道位和高4位DAC值
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(dac_value & 0xFF) // 低字节：低8位DAC值
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};
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// 向AD5328BRUZ写入数据
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spi_transaction_t t = {
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.length = 16, // 数据长度 16位
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.tx_buffer = tx_data, // 发送缓冲区
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.rx_buffer = NULL // 不接收数据
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};
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esp_err_t ret = spi_device_transmit(handle, &t);
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if (ret != ESP_OK) {
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ESP_LOGE("SPI", "Failed to send DAC data for channel %d.", channel);
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}
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}
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// 配置AD5328增益和Vref缓冲
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void configure_gain_and_vref() {
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uint8_t cmd[2] ={0x80,0x00}; // 设置增益为2倍，启用Vref缓冲
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// 向AD5328BRUZ写入数据
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spi_transaction_t t = {
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.length = 16, // 数据长度 16位
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.tx_buffer = cmd, // 发送缓冲区
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.rx_buffer = NULL // 不接收数据
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};
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esp_err_t ret = spi_device_transmit(handle,&t);
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if (ret != ESP_OK) {
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ESP_LOGE("SPI", "Failed to configure gain and Vref.");
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}
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}
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void init_ad5328(void)
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{
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esp_err_t ret;
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// 初始化SPI总线
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ret = init_spi();
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if (ret != ESP_OK) {
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ESP_LOGE("SPI2", "SPI initialization failed.");
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return;
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}
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// 初始化SPI设备
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ret = init_spi_device();
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if (ret != ESP_OK) {
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ESP_LOGE("SPI2", "SPI device initialization failed.");
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return;
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}
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// 配置LDAC引脚
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configure_ldac();
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// 启动LDAC
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set_ldac_level(0); // 高电平启动LDAC
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configure_gain_and_vref();
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set_channel_voltage(0, 1.5f);
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set_channel_voltage(1, 1.5f);
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set_channel_voltage(2, 1.5f);
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set_channel_voltage(3, 1.5f);
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set_channel_voltage(4, 1.5f);
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set_channel_voltage(5, 1.5f);
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set_channel_voltage(6, 1.5f);
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set_channel_voltage(7, 1.5f);
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ESP_LOGI("SPI2", "SPI and AD5328BRUZ initialized successfully.");
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}
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/*************************** AD5328BRUZ ↑ *****************************************/
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/*******************************************************************************/
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/***********************************************************/
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/**************** LCD显示屏 ↓ *************************/
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// 背光PWM初始化
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esp_err_t bsp_display_brightness_init(void)
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{
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// Setup LEDC peripheral for PWM backlight control
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const ledc_channel_config_t LCD_backlight_channel = {
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.gpio_num = BSP_LCD_BACKLIGHT,
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.speed_mode = LEDC_LOW_SPEED_MODE,
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.channel = LCD_LEDC_CH,
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.intr_type = LEDC_INTR_DISABLE,
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.timer_sel = 0,
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.duty = 0,
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.hpoint = 0,
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.flags.output_invert = true
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};
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const ledc_timer_config_t LCD_backlight_timer = {
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.speed_mode = LEDC_LOW_SPEED_MODE,
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.duty_resolution = LEDC_TIMER_10_BIT,
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.timer_num = 0,
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.freq_hz = 5000,
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.clk_cfg = LEDC_AUTO_CLK
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};
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ESP_ERROR_CHECK(ledc_timer_config(&LCD_backlight_timer));
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ESP_ERROR_CHECK(ledc_channel_config(&LCD_backlight_channel));
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return ESP_OK;
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}
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// 背光亮度设置
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esp_err_t bsp_display_brightness_set(int brightness_percent)
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{
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if (brightness_percent > 100) {
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brightness_percent = 100;
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} else if (brightness_percent < 0) {
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brightness_percent = 0;
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}
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ESP_LOGI(TAG, "Setting LCD backlight: %d%%", brightness_percent);
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// LEDC resolution set to 10bits, thus: 100% = 1023
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uint32_t duty_cycle = (1023 * brightness_percent) / 100;
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ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LCD_LEDC_CH, duty_cycle));
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ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LCD_LEDC_CH));
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return ESP_OK;
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}
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// 关闭背光
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esp_err_t bsp_display_backlight_off(void)
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{
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return bsp_display_brightness_set(0);
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}
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// 打开背光 最亮
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esp_err_t bsp_display_backlight_on(void)
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{
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return bsp_display_brightness_set(100);
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}
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// 定义液晶屏句柄
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static esp_lcd_panel_handle_t panel_handle = NULL;
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esp_lcd_panel_io_handle_t io_handle = NULL;
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static esp_lcd_touch_handle_t tp; // 触摸屏句柄
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static lv_disp_t *disp; // 指向液晶屏
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static lv_indev_t *disp_indev = NULL; // 指向触摸屏
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// 液晶屏初始化
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esp_err_t bsp_display_new(void)
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{
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esp_err_t ret = ESP_OK;
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// 背光初始化
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ESP_RETURN_ON_ERROR(bsp_display_brightness_init(), TAG, "Brightness init failed");
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// 初始化SPI总线
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ESP_LOGD(TAG, "Initialize SPI bus");
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const spi_bus_config_t buscfg = {
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.sclk_io_num = BSP_LCD_SPI_CLK,
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.mosi_io_num = BSP_LCD_SPI_MOSI,
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.miso_io_num = GPIO_NUM_NC,
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.quadwp_io_num = GPIO_NUM_NC,
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.quadhd_io_num = GPIO_NUM_NC,
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//.max_transfer_sz = BSP_LCD_H_RES * BSP_LCD_V_RES * sizeof(uint16_t),
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.max_transfer_sz = BSP_LCD_H_RES * 40 * sizeof(uint16_t),
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};
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ESP_RETURN_ON_ERROR(spi_bus_initialize(BSP_LCD_SPI_NUM, &buscfg, SPI_DMA_CH_AUTO), TAG, "SPI init failed");
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// 液晶屏控制IO初始化
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ESP_LOGD(TAG, "Install panel IO");
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const esp_lcd_panel_io_spi_config_t io_config = {
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.dc_gpio_num = BSP_LCD_DC,
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.cs_gpio_num = BSP_LCD_SPI_CS,
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.pclk_hz = BSP_LCD_PIXEL_CLOCK_HZ,
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.lcd_cmd_bits = LCD_CMD_BITS,
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.lcd_param_bits = LCD_PARAM_BITS,
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.spi_mode = 2,
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.trans_queue_depth = 10,
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};
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ESP_GOTO_ON_ERROR(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)BSP_LCD_SPI_NUM, &io_config, &io_handle), err, TAG, "New panel IO failed");
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// 初始化液晶屏驱动芯片ST7789
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ESP_LOGD(TAG, "Install LCD driver");
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const esp_lcd_panel_dev_config_t panel_config = {
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.reset_gpio_num = BSP_LCD_RST,
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.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,
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.bits_per_pixel = BSP_LCD_BITS_PER_PIXEL,
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};
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ESP_GOTO_ON_ERROR(esp_lcd_new_panel_st7789(io_handle, &panel_config, &panel_handle), err, TAG, "New panel failed");
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esp_lcd_panel_reset(panel_handle); // 液晶屏复位
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//lcd_cs(0); // 拉低CS引脚
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esp_lcd_panel_init(panel_handle); // 初始化配置寄存器
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esp_lcd_panel_invert_color(panel_handle, true); // 颜色反转
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esp_lcd_panel_swap_xy(panel_handle, true); // 显示翻转
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esp_lcd_panel_mirror(panel_handle, true, false); // 镜像
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return ret;
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err:
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if (panel_handle) {
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esp_lcd_panel_del(panel_handle);
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}
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if (io_handle) {
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esp_lcd_panel_io_del(io_handle);
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}
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spi_bus_free(BSP_LCD_SPI_NUM);
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return ret;
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}
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// LCD显示初始化
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esp_err_t bsp_lcd_init(void)
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{
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esp_err_t ret = ESP_OK;
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ret = bsp_display_new(); // 液晶屏驱动初始化
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lcd_set_color(0x0000); // 设置整屏背景黑色
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ret = esp_lcd_panel_disp_on_off(panel_handle, true); // 打开液晶屏显示
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ret = bsp_display_backlight_on(); // 打开背光显示
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return ret;
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}
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// 液晶屏初始化+添加LVGL接口
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static lv_disp_t *bsp_display_lcd_init(void)
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{
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/* 初始化液晶屏 */
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bsp_display_new(); // 液晶屏驱动初始化
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lcd_set_color(0xffff); // 设置整屏背景白色
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esp_lcd_panel_disp_on_off(panel_handle, true); // 打开液晶屏显示
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/* 液晶屏添加LVGL接口 */
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ESP_LOGD(TAG, "Add LCD screen");
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const lvgl_port_display_cfg_t disp_cfg = {
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.io_handle = io_handle,
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.panel_handle = panel_handle,
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.buffer_size = BSP_LCD_H_RES * BSP_LCD_DRAW_BUF_HEIGHT, // LVGL缓存大小
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.double_buffer = true, // 是否开启双缓存
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.hres = BSP_LCD_H_RES, // 液晶屏的宽
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.vres = BSP_LCD_V_RES, // 液晶屏的高
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.monochrome = false, // 是否单色显示器
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/* Rotation的值必须和液晶屏初始化里面设置的 翻转 和 镜像 一样 */
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.rotation = {
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.swap_xy = true, // 是否翻转
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.mirror_x = true, // x方向是否镜像
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.mirror_y = false, // y方向是否镜像
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},
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.flags = {
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.buff_dma = true, // 是否使用DMA 注意：dma与spiram不能同时为true
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.buff_spiram = false, // 是否使用PSRAM 注意：dma与spiram不能同时为true
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}
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};
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return lvgl_port_add_disp(&disp_cfg);
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}
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// 触摸屏初始化
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esp_err_t bsp_touch_new(esp_lcd_touch_handle_t *ret_touch)
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{
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/* Initialize touch */
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esp_lcd_touch_config_t tp_cfg = {
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.x_max = BSP_LCD_V_RES,
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.y_max = BSP_LCD_H_RES,
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.rst_gpio_num = GPIO_NUM_NC, // Shared with LCD reset
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.int_gpio_num = GPIO_NUM_NC,
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.levels = {
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.reset = 0,
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.interrupt = 0,
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},
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.flags = {
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.swap_xy = 1,
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.mirror_x = 1,
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.mirror_y = 0,
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},
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};
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esp_lcd_panel_io_handle_t tp_io_handle = NULL;
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esp_lcd_panel_io_i2c_config_t tp_io_config = ESP_LCD_TOUCH_IO_I2C_FT5x06_CONFIG();
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ESP_RETURN_ON_ERROR(esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)BSP_I2C_NUM, &tp_io_config, &tp_io_handle), TAG, "");
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ESP_ERROR_CHECK(esp_lcd_touch_new_i2c_ft5x06(tp_io_handle, &tp_cfg, ret_touch));
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return ESP_OK;
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}
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// 触摸屏初始化+添加LVGL接口
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static lv_indev_t *bsp_display_indev_init(lv_disp_t *disp)
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{
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/* 初始化触摸屏 */
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ESP_ERROR_CHECK(bsp_touch_new(&tp));
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assert(tp);
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/* 添加LVGL接口 */
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const lvgl_port_touch_cfg_t touch_cfg = {
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.disp = disp,
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.handle = tp,
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};
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return lvgl_port_add_touch(&touch_cfg);
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}
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// 开发板显示初始化
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void bsp_lvgl_start(void)
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{
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/* 初始化LVGL */
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lvgl_port_cfg_t lvgl_cfg = ESP_LVGL_PORT_INIT_CONFIG();
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lvgl_port_init(&lvgl_cfg);
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/* 初始化液晶屏 并添加LVGL接口 */
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disp = bsp_display_lcd_init();
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/* 初始化触摸屏 并添加LVGL接口 */
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disp_indev = bsp_display_indev_init(disp);
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/* 打开液晶屏背光 */
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bsp_display_backlight_on();
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}
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// 显示图片
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void lcd_draw_pictrue(int x_start, int y_start, int x_end, int y_end, const unsigned char *gImage)
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{
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// 分配内存 分配了需要的字节大小 且指定在外部SPIRAM中分配
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||
size_t pixels_byte_size = (x_end - x_start)*(y_end - y_start) * 2;
|
||
uint16_t *pixels = (uint16_t *)heap_caps_malloc(pixels_byte_size, MALLOC_CAP_8BIT | MALLOC_CAP_SPIRAM);
|
||
if (NULL == pixels)
|
||
{
|
||
ESP_LOGE(TAG, "Memory for bitmap is not enough");
|
||
return;
|
||
}
|
||
memcpy(pixels, gImage, pixels_byte_size); // 把图片数据拷贝到内存
|
||
esp_lcd_panel_draw_bitmap(panel_handle, x_start, y_start, x_end, y_end, (uint16_t *)pixels); // 显示整张图片数据
|
||
heap_caps_free(pixels); // 释放内存
|
||
}
|
||
|
||
// 设置液晶屏颜色
|
||
void lcd_set_color(uint16_t color)
|
||
{
|
||
// 分配内存 这里分配了液晶屏一行数据需要的大小
|
||
uint16_t *buffer = (uint16_t *)heap_caps_malloc(BSP_LCD_H_RES * sizeof(uint16_t), MALLOC_CAP_8BIT | MALLOC_CAP_SPIRAM);
|
||
|
||
if (NULL == buffer)
|
||
{
|
||
ESP_LOGE(TAG, "Memory for bitmap is not enough");
|
||
}
|
||
else
|
||
{
|
||
for (size_t i = 0; i < BSP_LCD_H_RES; i++) // 给缓存中放入颜色数据
|
||
{
|
||
buffer[i] = color;
|
||
}
|
||
for (int y = 0; y < 240; y++) // 显示整屏颜色
|
||
{
|
||
esp_lcd_panel_draw_bitmap(panel_handle, 0, y, 320, y+1, buffer);
|
||
}
|
||
free(buffer); // 释放内存
|
||
}
|
||
}
|
||
/*************** LCD显示屏 ↑ *************************/
|
||
/***********************************************************/
|
||
|
||
|
||
|
||
|