串口

applications/main/main.c

@@ -77,6 +77,7 @@ int main(void)
     // gd32_usart_init();
     i2c_init();
     adc_init();
+    usart_init();
 
 
 
@@ -98,7 +99,8 @@ int main(void)
     }
     /* 写ttest到MB85TEST_ADD地址 */
 	mb85rc64_write_read(MB85TEST_ADD, (unsigned char *)&ttest, sizeof(ttest), PAGE_WRITE);
-
+    uint8_t rx_data = 0;
+    uint8_t tx_data = 0x61;
     // 进入主循环或启动其他任务
     while (1) 
     {
@@ -116,6 +118,36 @@ int main(void)
         adc_software_trigger_enable(ADCX, SEQUENCE_CHANNEL);// 软件触发使能 后续接读取
         #endif
 
+        // while (usart_flag_get(USART_PERIPH, USART_FLAG_RBNE) == RESET);
+        // usart_flag_clear(USART_PERIPH, USART_FLAG_RBNE);
+        // rx_data = usart_data_receive(USART_PERIPH);
+        // if(rx_data == 'a')
+        // {
+        //     beep_enable();
+        //     delay_ms(250);
+        //     beep_disable();
+        // }
+        // else if(rx_data == 'b')
+        // {
+        //     beep_enable();
+        //     delay_ms(500);
+        //     beep_disable();
+        // }
+
+        while(RESET == usart_flag_get(USART_PERIPH, USART_FLAG_TBE))
+        {
+
+        }
+        //写寄存器
+        usart_data_transmit(USART_PERIPH, tx_data);
+        //等待发送完成
+        while(RESET == usart_flag_get(USART_PERIPH, USART_FLAG_TC))
+        {
+
+        }
+        usart_flag_clear(USART_PERIPH, USART_FLAG_TC);
+
+
        // memset(&ttest, 0, sizeof(ttest));
 		mb85rc64_write_read(MB85TEST_ADD, (unsigned char *)&ttest, sizeof(ttest), ADDR_READ);
     	ttest.tmperature = ptz_temperature_collect_tmp75_task();

drivers/drv_i2c.h

@@ -16,9 +16,6 @@
 #include "gd32f4xx.h"
 #include "delay.h"
 
-#include "beep.h"
-
-
 
 
 // #define SOFTWARE_I2C

drivers/drv_usart.c

@@ -1,93 +1,40 @@
 #include "drv_usart.h"
-#include "gd32f4xx.h"
 
-// 串口配置结构体
+void usart_init(void)
-static struct gd32_usart_config usart_config[] = {
 {
-        .name = "test",
+    usart_colok_config();
-        .usart_periph = USART0,
-        .rcu_periph_clock = RCU_USART0,
-        .gpio_port = GPIOA,
-        .rcu_gpio_clock = RCU_GPIOA,
-        .tx_pin = GPIO_PIN_9,
-        .rx_pin = GPIO_PIN_10,
-        .baud_rate = 9600,
-        .irq_type = USART0_IRQn
-    },
-    // 可以添加更多串口配置
-};
 
-// 初始化所有配置的串口
+    usart_gpio_config();
-void gd32_usart_init(void)
-{
-    for (int i = 0; i < sizeof(usart_config) / sizeof(usart_config[0]); i++)
-    {
-        gd32_usart_configure(&usart_config[i]);
-    }
 }
 
-// 配置单个串口
+void usart_colok_config(void)
-void gd32_usart_configure(struct gd32_usart_config *config)
 {
-    // 启用时钟
+    rcu_periph_clock_enable(USART_GPIO_CLK);//使能引脚时钟
-    rcu_periph_clock_enable(config->rcu_periph_clock);
+    rcu_periph_clock_enable(USART_PERIPH_CLK);//使能外设时钟
-    rcu_periph_clock_enable(config->rcu_gpio_clock);
+}
 
+void usart_gpio_config(void)
+{
     // 配置GPIO
-    gpio_af_set(config->gpio_port, GPIO_AF_7, config->tx_pin);
+    gpio_af_set(USART_GPIO_PORT, USART_GPIO_AF, USART_TX_PIN);
-    gpio_af_set(config->gpio_port, GPIO_AF_7, config->rx_pin);
+    gpio_af_set(USART_GPIO_PORT, USART_GPIO_AF, USART_RX_PIN);
-    gpio_mode_set(config->gpio_port, GPIO_MODE_AF, GPIO_PUPD_NONE, config->tx_pin);
-    gpio_mode_set(config->gpio_port, GPIO_MODE_AF, GPIO_PUPD_NONE, config->rx_pin);
-    gpio_output_options_set(config->gpio_port, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, config->tx_pin);
-    gpio_output_options_set(config->gpio_port, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, config->rx_pin);
 
+    // gpio_mode_set(USART_GPIO_PORT, USART_GPIO_AF, GPIO_PUPD_PULLUP, USART_TX_PIN | USART_RX_PIN);
+    gpio_mode_set(USART_GPIO_PORT, USART_GPIO_AF, GPIO_PUPD_NONE, USART_TX_PIN | USART_RX_PIN);
+    gpio_output_options_set(USART_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, USART_TX_PIN | USART_RX_PIN);
     // 配置USART
-    usart_deinit(config->usart_periph);
+    usart_deinit(USART_PERIPH);
-    usart_baudrate_set(config->usart_periph, config->baud_rate);
+    usart_baudrate_set(USART_PERIPH, USART_BAUD_RATE);
-    usart_word_length_set(config->usart_periph, USART_WL_8BIT);
+
-    usart_stop_bit_set(config->usart_periph, USART_STB_1BIT);
+    usart_receive_config(USART_PERIPH, USART_RECEIVE_ENABLE);
-    usart_parity_config(config->usart_periph, USART_PM_NONE);
+    usart_transmit_config(USART_PERIPH, USART_TRANSMIT_ENABLE);
-    // usart_hardware_flow_rts_config(config->usart_periph, USART_RTS_DISABLE);
-    // usart_hardware_flow_cts_config(config->usart_periph, USART_CTS_DISABLE);
-    usart_receive_config(config->usart_periph, USART_RECEIVE_ENABLE);
-    usart_transmit_config(config->usart_periph, USART_TRANSMIT_ENABLE);
     
     // 启用USART
-    usart_enable(config->usart_periph);
+    usart_enable(USART_PERIPH);
 
     // 配置中断（如果需要）
     // nvic_irq_enable(config->irq_type, 0, 0);
     // usart_interrupt_enable(config->usart_periph, USART_INT_RBNE);
-}
-
-// 发送字符
-void gd32_usart_putchar(struct gd32_usart_config *config, char ch)
-{
-    usart_data_transmit(config->usart_periph, (uint16_t)ch);
-    while (usart_flag_get(config->usart_periph, USART_FLAG_TBE) == RESET);
-}
-
-// 发送字符串
-void gd32_usart_puts(struct gd32_usart_config *config, const char *str)
-{
-    while (*str) {
-        gd32_usart_putchar(config, *str++);
-    }
-}
-
-void usart_puts(const char *str)
-{
-    gd32_usart_puts(&usart_config[0], str);
 
 }
 
-// 获取串口配置 by name
-struct gd32_usart_config *gd32_usart_get_config(const char *name)
-{
-    for (int i = 0; i < sizeof(usart_config) / sizeof(usart_config[0]); i++) {
-        if (rt_strcmp(usart_config[i].name, name) == 0) {
-            return &usart_config[i];
-        }
-    }
-    return RT_NULL;
-}

drivers/drv_usart.h

@@ -1,30 +1,28 @@
-#ifndef __DRV_USART_H__
+#ifndef DRV_USART_H
-#define __DRV_USART_H__
+#define DRV_USART_H
 
-#include <rtthread.h>
-#include <rtservice.h>
 #include "gd32f4xx.h"
-#include "gd32f4xx_usart.h"
 
-// 串口配置结构体
+#define USART_GPIO_PORT			GPIOA
-struct gd32_usart_config {
+#define USART_GPIO_CLK			RCU_GPIOA
-    const char *name;
+#define USART_PERIPH			USART0
-    uint32_t usart_periph;
+#define USART_PERIPH_CLK		RCU_USART0
-    uint32_t rcu_periph_clock;
+
-    uint32_t gpio_port;
+#define USART_TX_PIN     GPIO_PIN_9
-    uint32_t rcu_gpio_clock;
+#define USART_RX_PIN     GPIO_PIN_10
-    uint32_t tx_pin;
+
-    uint32_t rx_pin;
+#define USART_GPIO_AF    GPIO_AF_7
-    uint32_t baud_rate;
+#define USART_IRQn       USART0_IRQn
-    uint8_t irq_type;
+// #define USART_IRQHandler USART0_IRQHandler
-};
+// #define USART_IRQHandler_NAME "USART0_IRQHandler"
+#define USART_BAUD_RATE  9600
+
+void usart_init(void);
+void usart_colok_config(void);
+void usart_gpio_config(void);
+// void usart_putc(struct rt_serial_device *serial, char ch);
+// void usart_getc(struct rt_serial_device *serial, char *ch);
+// void usart_enable(struct rt_serial_device *serial, rt_bool_t enable);
 
 
-// 函数声明
+#endif
-void gd32_usart_init(void);
-void gd32_usart_configure(struct gd32_usart_config *config);
-void gd32_usart_putchar(struct gd32_usart_config *config, char ch);
-void gd32_usart_puts(struct gd32_usart_config *config, const char *str);
-struct gd32_usart_config *gd32_usart_get_config(const char *name);
-
-#endif /* __DRV_USART_H__ */