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串口

This commit is contained in:
DESKTOP-2E6P1Q6\Administrator 2025-09-30 18:06:38 +08:00
parent 521b2be597
commit 6d3f46b8cd
9 changed files with 80 additions and 106 deletions
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34
applications/main/main.c
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@ -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();

0
doc/SL_MWYT_SERV24_V22_250917.pdf → doc/scheme/SL_MWYT_SERV24_V22_250917.pdf
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0
doc/hy_mwyt_3s24_v20_221118.pdf → doc/scheme/hy_mwyt_3s24_v20_221118.pdf
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0
doc/sl_mwyt_serv24_v22_250728.pdf → doc/scheme/sl_mwyt_serv24_v22_250728.pdf
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0
doc/MB85RC64.pdf → doc/驱动芯片/MB85RC64.pdf
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0
doc/tmp75.pdf → doc/驱动芯片/tmp75.pdf
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3
drivers/drv_i2c.h
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@ -16,9 +16,6 @@
#include "gd32f4xx.h"
#include "delay.h"
#include "beep.h"
// #define SOFTWARE_I2C

93
drivers/drv_usart.c
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@ -1,93 +1,40 @@
#include "drv_usart.h"
#include "gd32f4xx.h"
// 串口配置结构体
static struct gd32_usart_config usart_config[] = {
void usart_init(void)
{
.name = "test",
.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
};
usart_colok_config();
// 初始化所有配置的串口
void gd32_usart_init(void)
{
for (int i = 0; i < sizeof(usart_config) / sizeof(usart_config[0]); i++)
{
gd32_usart_configure(&usart_config[i]);
}
usart_gpio_config();
}
// 配置单个串口
void gd32_usart_configure(struct gd32_usart_config *config)
void usart_colok_config(void)
{
// 启用时钟
rcu_periph_clock_enable(config->rcu_periph_clock);
rcu_periph_clock_enable(config->rcu_gpio_clock);
rcu_periph_clock_enable(USART_GPIO_CLK);//使能引脚时钟
rcu_periph_clock_enable(USART_PERIPH_CLK);//使能外设时钟
}
void usart_gpio_config(void)
{
// 配置GPIO
gpio_af_set(config->gpio_port, GPIO_AF_7, config->tx_pin);
gpio_af_set(config->gpio_port, GPIO_AF_7, config->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_af_set(USART_GPIO_PORT, USART_GPIO_AF, USART_TX_PIN);
gpio_af_set(USART_GPIO_PORT, USART_GPIO_AF, USART_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_baudrate_set(config->usart_periph, config->baud_rate);
usart_word_length_set(config->usart_periph, USART_WL_8BIT);
usart_stop_bit_set(config->usart_periph, USART_STB_1BIT);
usart_parity_config(config->usart_periph, USART_PM_NONE);
// 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);
usart_deinit(USART_PERIPH);
usart_baudrate_set(USART_PERIPH, USART_BAUD_RATE);
usart_receive_config(USART_PERIPH, USART_RECEIVE_ENABLE);
usart_transmit_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;
}

48
drivers/drv_usart.h
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@ -1,30 +1,28 @@
#ifndef __DRV_USART_H__
#define __DRV_USART_H__
#ifndef 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
struct gd32_usart_config {
const char *name;
uint32_t usart_periph;
uint32_t rcu_periph_clock;
uint32_t gpio_port;
uint32_t rcu_gpio_clock;
uint32_t tx_pin;
uint32_t rx_pin;
uint32_t baud_rate;
uint8_t irq_type;
};
#define USART_GPIO_PORT GPIOA
#define USART_GPIO_CLK RCU_GPIOA
#define USART_PERIPH USART0
#define USART_PERIPH_CLK RCU_USART0
#define USART_TX_PIN GPIO_PIN_9
#define USART_RX_PIN GPIO_PIN_10
#define USART_GPIO_AF GPIO_AF_7
#define USART_IRQn USART0_IRQn
// #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
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__ */
#endif