66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
#ifndef _USART_H
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#define _USART_H
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#include "gd32f4xx.h"
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#include "ring_queue.h"
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#include "includes.h"
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#include "comm_types.h"
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#include "agent_hyt.h"
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typedef u_int32_t device_handle;
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#define TEST USART0
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#define UART_485 USART1
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#define UART_422 USART2
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#define PTZ_UART_485_BUFF_SIZE 100
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#define PTZ_UART_422_BUFF_SIZE 100
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#define PTZ_UART_485_INDEX 1 //485使用串口1
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#define PTZ_UART_422_INDEX 2 //422使用串口2
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#define PTZ_UART_485_TX gpio_bit_set(GPIOD, GPIO_PIN_7)//485发送
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#define PTZ_UART_485_RX gpio_bit_reset(GPIOD, GPIO_PIN_7)//485接收
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extern device_handle uart_485_handle ;
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extern device_handle uart_422_handle ;
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extern BSP_OS_SEM ser_mutex;
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//串口
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//RS422
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extern u_int8_t ptz_uart_422_buff[PTZ_UART_422_BUFF_SIZE];
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extern char uart_422_state ;
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//RS485
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extern u_int8_t ptz_uart_485_buff[PTZ_UART_485_BUFF_SIZE];
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extern char uart_485_state ;
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typedef struct _uart_device_info{
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u_int8_t init; //该设备是否初始化准备接收数据标志
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u_int8_t index; //uart设备索引，0，1，2...
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RingQueue uart_ring_queue; //用于维护设备的接收缓存的循环队列
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BSP_OS_SEM ser_mutex;//用于锁调用发生一个字节函数
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BSP_OS_SEM port_mutex;//用于所发送一个字节
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BSP_OS_SEM read_mutex;//用于读串口buffer
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BSP_OS_SEM sem_recv_data;//用于通知接收到数据
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}uart_device_info;
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void Usart_init_module();
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void IRQHandler_485_process(u_int8_t data);
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void IRQHandler_422_process(u_int8_t data);
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void ptz_uart_dev_send(device_handle device, void *data, int len);
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char ptz_uart_dev_in_char(device_handle device);
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int ptz_uart_dev_char_present(device_handle device);
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void init_term_uart();
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#endif |