/****************************************************************************
*   Copyright: (C)2018 Î人ÁèÔÆÎïÍøÖÇ¿ÆʵÑéÊÒ www.iot-yun.com
*      Author: GuoWenxue<guowenxue@gmail.com> QQ: 281143292
* Description: ·Ü¶·STM32v5¿ª·¢°å ´®¿ÚʹÓóÌÐò
* 
*   ChangeLog:
*        °æ±¾ºÅ     ÈÕÆÚ       ×÷Õß      ˵Ã÷
*        V1.0.0  2018.05.11  GuoWenxue   ·¢²¼¸Ã°æ±¾
****************************************************************************/

#include <stdio.h>
#include <string.h>
#include "stm32f10x.h"
#include "stm32v5_led.h"
#include "stm32v5_usart.h"

void delay(uint32_t count)
{
   while(count--)   ;
   
   return ;
}


int main(void)
{
	uint8_t                   which=USART_PORT1;
	uint8_t                   g_TxBuf[RXBUF_SIZE];
	uint8_t                   g_TxLen = 0;
	
	init_led_gpio();
	turn_led(LED1, ON);
	
	init_dbg_uart(which, 115200);
	printf("\nUSART%d test program verison 1.0.0\n", which);
	
	delay(0x4FFFFF);
	
	while(1)
	{
#if 0	/* ¸Ã´úÂëΪ¼òµ¥²âÊÔ´úÂë */
		turn_led(LED3, ON);
		usart_puts("Hello World!\n");
		delay(0x4FFFFF);
		
		turn_led(LED3, OFF);
		printf("Goodbye World!\n");
		delay(0x4FFFFF);
#else /* ¸Ã´úÂëÓÃÀ´½«½ÓÊÕµ½µÄÒ»ÐÐÊý¾Ý(\r\n½áβ)»Ø´«»ØÈ¥ */
		if( g_RxEnd_Flag  )
		{
			turn_led(LED3, ON);
			
			memset(g_TxBuf, 0, sizeof(g_TxBuf));  /* ½«·¢ËÍbufferÀïÃæµÄÊý¾ÝÇåÁã */
			memcpy(g_TxBuf, g_RxBuf, g_RxLen);    /* ½«½ÓÊÕbufferÀïÃæµÄÊý¾Ý¿½±´µ½·¢ËÍbufferÖÐÈ¥*/
			
 			g_TxLen = g_RxLen;                    /* ½«·¢ËÍÊý¾Ý³¤¶ÈÉèÖÃΪ½ÓÊÕµ½µÄÊý¾Ý³¤¶È */
 			g_RxLen = 0;
 			g_RxEnd_Flag = 0;                     /* ½«½ÓÊÕÊý¾ÝÍê³É±êʶÉèΪ0, ÕâÑù´®¿Ú½ÓÊÕÖжϾÍÄܼÌÐø¿ªÊ¼½ÓÊÕÊý¾ÝÁË */
			
 			usart_send_data(g_TxBuf, g_TxLen);    /* ½«½ÓÊÕµ½µÄÊý¾Ý»Ø´«»ØÈ¥ */
			turn_led(LED3, OFF);
		}
#endif
	}
}