/****************************************************************************
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* Copyright: (C)2018 Î人ÁèÔÆÎïÍøÖÇ¿ÆʵÑéÊÒ www.iot-yun.com
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* Author: GuoWenxue<guowenxue@gmail.com> QQ: 281143292
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* Description: STM32L151C8T6 CubeMX ¿ª·¢°å printfºÍ´®¿Ú³õʼ»¯º¯Êý
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*
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* ChangeLog:
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* °æ±¾ºÅ ÈÕÆÚ ×÷Õß ËµÃ÷
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* V1.0.0 2018.11.05 GuoWenxue ·¢²¼¸Ã°æ±¾
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****************************************************************************/
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#ifndef __STM32_USART_H_
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#define __STM32_USART_H_
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#include "stm32l1xx_usart.h"
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#define USART_PUTCHR(COM, ch) { USART_SendData(COM, ch); while (USART_GetFlagStatus(COM, USART_FLAG_TC) == RESET) ; }
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enum
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{
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USART_PORT1,
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USART_PORT2,
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USART_PORT3,
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USART_MAX,
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};
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typedef struct stm32_usart_pins_s
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{
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USART_TypeDef *USARTx; /* USART1¡¢USART2¡¢USART3 */
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GPIO_TypeDef *group; /* GPIOx: GPIOA¡¢GPIOB */
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uint16_t txpin; /* GPIO_Pin: GPIO_Pin_2 */
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uint16_t rxpin; /* GPIO_Pin: GPIO_Pin_3 */
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uint16_t txpin_src; /* GPIO_PinSource: GPIO_PinSource2 */
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uint16_t rxpin_src; /* GPIO_PinSource: GPIO_PinSource3 */
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uint8_t gpio_af; /* GPIO_AF: GPIO_AF_USART1*/
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uint32_t usart_clk; /* USART clock: RCC_APB1Periph_USART1 */
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uint16_t gpio_clk; /* USART Tx/Rx Pin Clock: RCC_AHBPeriph_GPIOA */
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} stm32_usart_pins_t;
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/* º¯Êý˵Ã÷: ÅäÖô®¿ÚµÄ²¨ÌØÂÊ¡¢Êý¾Ýλ¡¢ÆæżУÑéλ¡¢Í£Ö¹Î»¡¢Á÷¿ØµÈ£»
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* ²ÎÊý˵Ã÷: whichÖ¸¶¨ÒªÅäÖõĴ®¿Ú,ÆäÖµÓ¦¸ÃΪ USART_PORT1¡¢USART_PORT2¡¢USART_PORT3£¬¶¨ÒåÔÚstm32_usart.hÖУ»
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* baudrate: ²¨ÌØÂÊ,ÆäֵΪ: 115200,9600,4800,2400,1200....
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* rxirq: ÊÇ·ñʹÄܽÓÊÕÖжϣ» 1->ʹÄÜ 0->²»Ê¹ÄÜ
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* txirq: ÊÇ·ñʹÄÜ·¢ËÍÖжϣ» 1->ʹÄÜ 0->²»Ê¹ÄÜ
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* ·µ»ØÖµ: ÎÞ
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*/
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#define RXIRQ_ENABLE 1
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#define RXIRQ_DISABLE 0
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#define TXIRQ_ENABLE 1
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#define TXIRQ_DISABLE 0
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extern void stm32_init_usart(uint8_t which, uint32_t baudrate, uint8_t txirq, uint8_t rxirq);
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/* º¯Êý˵Ã÷: ³õʼ»¯µ÷ÊÔ´®¿Ú,²¢Ö¸¶¨ÏàÓ¦µÄ´®¿ÚΪprintfº¯ÊýµÄÊä³ö´®¿Ú
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* ²ÎÊý˵Ã÷: whichÖ¸¶¨ÒªÅäÖõĴ®¿Ú,ÆäÖµÓ¦¸ÃΪ USART_PORT1¡¢USART_PORT2¡¢USART_PORT3£¬¶¨ÒåÔÚstm32_usart.hÖУ»
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* baudrate: ²¨ÌØÂÊ,ÆäֵΪ: 115200,9600,4800,2400,1200....
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* ·µ»ØÖµ£º ÎÞ
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*/
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extern void stm32_init_printf(uint8_t which, uint32_t baudrate);
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/* º¯Êý˵Ã÷: Íùµ÷ÊÔ´®¿Ú·¢ËÍ×Ö·û´®
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* ²ÎÊý˵Ã÷: str Ö¸ÏòÒª·¢Ë͵Ä×Ö·û´®ÄÚÈÝ
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* ·µ»ØÖµ£º ÎÞ
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*/
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extern void usart_puts(const char *str);
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#endif
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