idf的spi还有问题

espidfcode/main/spi.c

@@ -1,15 +1,8 @@
 #include "spi.h"
 
 
-#include "driver/spi_master.h"
-#include "esp_log.h"
 
-#define VSPI_MISO   -1 //接收引脚不使用，仅发送
-#define VSPI_MOSI   3
-#define VSPI_SCLK   2
 
-#define LCD_CS  7
-#define LCD_DS  6
 
 static const char *TAG = "SPI_2";
 
@@ -17,6 +10,39 @@ spi_device_handle_t lcd_spi;
 
 void spi_init()
 {
+
+    ESP_LOGI(TAG, "配置GPIO");
+
+    // 1. 配置GPIO
+    gpio_config_t io_conf = {
+        .pin_bit_mask = (1ULL << LCD_DS),  // LCD_DS
+        .mode = GPIO_MODE_OUTPUT,             // 输出模式
+        .pull_up_en = GPIO_PULLUP_DISABLE,    // 
+        .pull_down_en = GPIO_PULLDOWN_DISABLE, // 
+        .intr_type = GPIO_INTR_DISABLE        // 禁用中断
+    };
+    
+    // 2. 应用配置
+    gpio_config(&io_conf);
+
+    // io_conf.pin_bit_mask=LCD_CS;
+    // gpio_config(&io_conf);
+
+    // io_conf.pin_bit_mask=VSPI_SCLK;
+    // gpio_config(&io_conf);
+
+    // io_conf.pin_bit_mask=VSPI_MOSI;
+    // gpio_config(&io_conf);
+    
+    // 3. 设置初始电平
+    gpio_set_level(LCD_DS, 0);  // 输出低电平
+    // gpio_set_level(LCD_CS,0);
+    // gpio_set_level(VSPI_SCLK,0);
+    // gpio_set_level(VSPI_MOSI,0);
+
+    
+    ESP_LOGI(TAG, "配置GPIO完成");
+
     ESP_LOGI(TAG,"初始化SPI IO总线");
     esp_err_t ret;
     
@@ -31,7 +57,7 @@ void spi_init()
     };
     
     // 2. 初始化 SPI 总线
-    ret = spi_bus_initialize(SPI2_HOST, &buscfg, SPI_DMA_CH_AUTO);
+    ret = spi_bus_initialize(SPI2_HOST, &buscfg,SPI_DMA_DISABLED );
     if (ret != ESP_OK) {
         ESP_LOGE(TAG, "SPI2 IO总线初始化失败");
         return;
@@ -43,11 +69,11 @@ void spi_init()
 
     spi_device_interface_config_t devcfg = {
         .mode = 0,                    // SPI 模式 0
-        .clock_speed_hz = 80 * 1000 * 1000, // 
+        .clock_speed_hz = 40 * 1000 * 1000, // 
         .spics_io_num = LCD_CS,
         .queue_size = 7,              // 队列深度
-        .command_bits = 8,            // 命令 8 位
-        .address_bits = 8,            
+        .flags = 0,                          // 可选标志
+
     };
 
     ret = spi_bus_add_device(SPI2_HOST, &devcfg, &lcd_spi);
@@ -56,7 +82,61 @@ void spi_init()
         return;
     }
 
+
+
 }
 
+// SPI 写数据
+esp_err_t lcd_spi_write8(uint8_t data) {
+    spi_transaction_t trans = {
+        .length = 8,      // 数据位数
+        .tx_buffer = &data,      // 发送缓冲区
+        .rx_buffer = NULL,      // 不接收
+    };
+    
+    return spi_device_transmit(lcd_spi, &trans);
+}
 
+// SPI 写数据
+esp_err_t lcd_spi_write16(uint16_t data) {
+    spi_transaction_t trans = {
+        .length = 16,      // 数据位数
+        .tx_buffer = &data,      // 发送缓冲区
+        .rx_buffer = NULL,      // 不接收
+    };
+    
+    return spi_device_transmit(lcd_spi, &trans);
+}
 
+// SPI 写命令
+esp_err_t lcd_spi_reg(uint8_t data) {
+    esp_err_t err;
+    gpio_set_level(LCD_DS, 0);
+    err=lcd_spi_write8(data);
+    gpio_set_level(LCD_DS, 1);
+
+    if (err != ESP_OK) {
+        ESP_LOGE(TAG, "命令发送失败");
+        
+    }
+    return err;
+}
+
+void lcd_ds_test()
+{
+    esp_err_t err;
+    static uint8_t this_flag=0;
+    if(this_flag)
+    {
+        this_flag=0;
+        err=gpio_set_level(LCD_DS, 0);
+    }else{
+        this_flag=1;
+       err=gpio_set_level(LCD_DS, 1);
+    }
+
+     if (err != ESP_OK) {
+        ESP_LOGE(TAG, "GPIO失败");
+        
+    }
+}