0904_PT/BSP/Uart.h

#ifndef __USART_H
#define __USART_H
#include "stdio.h"	
#include "includes.h" 

#define RS485_GPIO_RCU		RCU_GPIOA
#define RS485_GPIOx			GPIOA
#define RS485_GPIO_PIN_TX	GPIO_PIN_2
#define RS485_GPIO_PIN_RX	GPIO_PIN_3
#define RS485_GPIO_PIN_CTL	GPIO_PIN_4
#define RS483_USART_RCU		RCU_USART1
#define RS485_USARTx		USART1
#define RS485_USART_IRQ		USART1_IRQn
#define RS485_DMA_RCU 		RCU_DMA0
#define RS485_DMAx			DMA0
#define RS485_DMA_CH_TX		DMA_CH6
#define RS485_DMA_CH_RX		DMA_CH5
#define RS485_DMA_TX_IRQ	DMA0_Channel6_IRQn



////////////////////////////////////////////////////////////////////
#define USART0_TX_SIZE	256
#define USART0_RX_SIZE	256
extern uint8_t usart0TX_Buffer[USART0_TX_SIZE];
extern uint8_t usart0RX_Buffer[USART0_RX_SIZE];
extern void dma_init_uart0(void);
extern void usart0_config(void);


#define RS485_RX() gpio_bit_reset(RS485_GPIOx,  RS485_GPIO_PIN_CTL)
#define RS485_TX() gpio_bit_set(RS485_GPIOx,  RS485_GPIO_PIN_CTL)
#define USART3_TX_SIZE	256
#define USART3_RX_SIZE	256
extern uint8_t usart485TX_Buffer[USART3_TX_SIZE];
extern uint8_t usart485RX_Buffer[USART3_RX_SIZE];
extern void dam_init_uart_485(void);
extern void usart_485_dma_init(void);

extern void usart_tx_dma_send(uint32_t usart_periph,uint8_t* data_buffer,uint16_t length);

extern void data_dump(const char *name, uint8_t *data, uint16_t length);
///////////////////////////////////////////////////////////////////

#endif