main.c

STR710串口测试程序

#include "71x_lib.h"

#define UART0_Rx_Pin (0x0001<<8)   // TQFP 64: pin N?63 , TQFP 144 pin N?143
#define UART0_Tx_Pin (0x0001<<9)   // TQFP 64: pin N?64 , TQFP 144 pin N?144

#define UART1_Rx_Pin (0x0001<<10)  // TQFP 64: pin N?1  , TQFP 144 pin N?1
#define UART1_Tx_Pin (0x0001<<11)  // TQFP 64: pin N?2  , TQFP 144 pin N?3

#define UART2_Rx_Pin (0x0001<<13)  // TQFP 64: pin N?5  , TQFP 144 pin N?9
#define UART2_Tx_Pin (0x0001<<14)  // TQFP 64: pin N?6  , TQFP 144 pin N?10

#define UART3_Rx_Pin (0x0001<<1)   // TQFP 64: pin N?52 , TQFP 144 pin N?123
#define UART3_Tx_Pin (0x0001<<0)   // TQFP 64: pin N?53 , TQFP 144 pin N?124

#define Use_UART0
//#define Use_UART1
//#define Use_UART2
//#define Use_UART3

#ifdef Use_UART0
#define UARTX UART0
#define UARTX_Rx_Pin UART0_Rx_Pin
#define UARTX_Tx_Pin UART0_Tx_Pin
#endif /* Use_UART0 */

#ifdef Use_UART1
#define UARTX UART1
#define UARTX_Rx_Pin UART1_Rx_Pin
#define UARTX_Tx_Pin UART1_Tx_Pin
#endif /* Use_UART1 */

#ifdef Use_UART2
#define UARTX UART2
#define UARTX_Rx_Pin UART2_Rx_Pin
#define UARTX_Tx_Pin UART2_Tx_Pin
#endif /* Use_UART2 */

#ifdef Use_UART3
#define UARTX UART3
#define UARTX_Rx_Pin UART3_Rx_Pin
#define UARTX_Tx_Pin UART3_Tx_Pin
#endif /* Use_UART3 */

void __main(void)
{
	
	#ifdef DEBUG
		debug();
	#endif

	RCCU_Div2Config(ENABLE);						// Enable DIV2
	RCCU_MCLKConfig(RCCU_DEFAULT);					// Configure MCLK = RCLK
	RCCU_FCLKConfig(RCCU_DEFAULT);					// Configure FCLK = RCLK
	RCCU_PCLKConfig(RCCU_DEFAULT);					// Configure PCLK = RCLK
	RCCU_PLL1Config(RCCU_PLL1_Mul_12, RCCU_Div_2) ;		// Configure the PLL1 ( * 12 , / 2 )
	while(RCCU_FlagStatus(RCCU_PLL1_LOCK) == RESET);// Wait PLL to lock
	RCCU_RCLKSourceConfig(RCCU_PLL1_Output) ;		// Select PLL1_Output as RCLK clock
	// at this step the CKOUT signal should be equal to 48 Mhz

	// Configure the GPIO pins
	GPIO_Config(GPIO0, UARTX_Tx_Pin, GPIO_AF_PP);
	GPIO_Config(GPIO0, UARTX_Rx_Pin, GPIO_IN_TRI_CMOS);

	// Configure the UART X
	UART_OnOffConfig(UARTX, ENABLE);		// Turn UARTX on
	UART_FifoConfig(UARTX, DISABLE);		// Disable FIFOs
	UART_FifoReset(UARTX, UART_RxFIFO);		// Reset the UART_RxFIFO
	UART_FifoReset(UARTX, UART_TxFIFO);		// Reset the UART_TxFIFO
	UART_LoopBackConfig(UARTX, DISABLE);	// Disable Loop Back
		/* Configure the UARTX as following:
			- Baudrate = 57600 Bps
			- No parity
			- 8 data bits
			- 1 stop bit */
	UART_Config(UARTX, 57600, UART_NO_PARITY, UART_1_StopBits, UARTM_8D);
	UART_RxConfig(UARTX, ENABLE);          // Enable Rx

	UART_StringSend(UARTX, (u8 *)"Hello, UART!\r\n");//sends a string to UARTX
	
	while(1)
	{
		u8 ch;
		while(!(UART_FlagStatus(UARTX) & UART_RxBufFull));	// If data received
		UART_ByteReceive(UARTX, &ch, 0xFF);					// Get the received data, set the guard time to 0xFF
		//UART_ByteSend(UARTX, &ch);
		if(ch == '\r')
		{
			ch = '\n';
			
		};
		UART_ByteSend(UARTX, &ch);
	}
}