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Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/IrDA/Receive/main.c')
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1 files changed, 224 insertions, 0 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/IrDA/Receive/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/IrDA/Receive/main.c new file mode 100644 index 0000000..6ce1d06 --- /dev/null +++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/IrDA/Receive/main.c @@ -0,0 +1,224 @@ +/** + ****************************************************************************** + * @file USART/IrDA/Receive/main.c + * @author MCD Application Team + * @version V3.5.0 + * @date 08-April-2011 + * @brief Main program body + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x.h" +#include "platform_config.h" + +/** @addtogroup STM32F10x_StdPeriph_Examples + * @{ + */ + +/** @addtogroup USART_IrDA_Receive + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +USART_InitTypeDef USART_InitStructure; +JOYState_TypeDef ReceivedData = JOY_NONE; + +/* Private function prototypes -----------------------------------------------*/ +void RCC_Configuration(void); +void GPIO_Configuration(void); + +/* Private functions ---------------------------------------------------------*/ + +/** + * @brief Main program + * @param None + * @retval None + */ +int main(void) +{ + /*!< At this stage the microcontroller clock setting is already configured, + this is done through SystemInit() function which is called from startup + file (startup_stm32f10x_xx.s) before to branch to application main. + To reconfigure the default setting of SystemInit() function, refer to + system_stm32f10x.c file + */ + + /* System Clocks Configuration */ + RCC_Configuration(); + + /* Configure the GPIO ports */ + GPIO_Configuration(); + + /* Initialize Leds mounted on STM3210X-EVAL board */ + STM_EVAL_LEDInit(LED1); + STM_EVAL_LEDInit(LED2); + STM_EVAL_LEDInit(LED3); + STM_EVAL_LEDInit(LED4); + +/* USARTy configuration ------------------------------------------------------*/ + /* USARTy configured as follow: + - BaudRate = 115200 baud + - Word Length = 8 Bits + - One Stop Bit + - No parity + - Hardware flow control disabled (RTS and CTS signals) + - Receive and transmit enabled + */ + USART_InitStructure.USART_BaudRate = 115200; + USART_InitStructure.USART_WordLength = USART_WordLength_8b; + USART_InitStructure.USART_StopBits = USART_StopBits_1; + USART_InitStructure.USART_Parity = USART_Parity_No ; + USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; + USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; + + /* Configure the USARTy */ + USART_Init(USARTy, &USART_InitStructure); + /* Enable the USARTy */ + USART_Cmd(USARTy, ENABLE); + + /* Set the USARTy prescaler */ + USART_SetPrescaler(USARTy, 0x1); + /* Configure the USARTy IrDA mode */ + USART_IrDAConfig(USARTy, USART_IrDAMode_Normal); + + /* Enable the USARTy IrDA mode */ + USART_IrDACmd(USARTy, ENABLE); + + while (1) + { + /* Wait until a byte is received */ + while(USART_GetFlagStatus(USARTy, USART_FLAG_RXNE) == RESET) + { + } + /* Read the received byte */ + ReceivedData = (JOYState_TypeDef)USART_ReceiveData(USARTy); + + switch(ReceivedData) + { + case JOY_UP: + STM_EVAL_LEDOn(LED1); + STM_EVAL_LEDOff(LED2); + STM_EVAL_LEDOff(LED3); + STM_EVAL_LEDOff(LED4); + break; + case JOY_DOWN: + STM_EVAL_LEDOn(LED2); + STM_EVAL_LEDOff(LED1); + STM_EVAL_LEDOff(LED3); + STM_EVAL_LEDOff(LED4); + break; + case JOY_LEFT: + STM_EVAL_LEDOn(LED3); + STM_EVAL_LEDOff(LED1); + STM_EVAL_LEDOff(LED2); + STM_EVAL_LEDOff(LED4); + break; + case JOY_RIGHT: + STM_EVAL_LEDOn(LED4); + STM_EVAL_LEDOff(LED1); + STM_EVAL_LEDOff(LED2); + STM_EVAL_LEDOff(LED3); + break; + case JOY_SEL: + STM_EVAL_LEDOn(LED1); + STM_EVAL_LEDOn(LED2); + STM_EVAL_LEDOn(LED3); + STM_EVAL_LEDOn(LED4); + break; + case JOY_NONE: + break; + default: + break; + } + } +} + +/** + * @brief Configures the different system clocks. + * @param None + * @retval None + */ +void RCC_Configuration(void) +{ + /* Enable GPIO clock */ + RCC_APB2PeriphClockCmd(USARTy_GPIO_CLK | RCC_APB2Periph_AFIO, ENABLE); + + /* Enable USARTy clocks */ + RCC_APB1PeriphClockCmd(USARTy_CLK, ENABLE); +} + +/** + * @brief Configures the different GPIO ports. + * @param None + * @retval None + */ +void GPIO_Configuration(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + +#ifndef USE_STM3210C_EVAL + /* Enable the USART3 Pins Partial Software Remapping */ + GPIO_PinRemapConfig(GPIO_PartialRemap_USART3, ENABLE); +#else + /* Enable the USART2 Pins Software Remapping */ + GPIO_PinRemapConfig(GPIO_Remap_USART2, ENABLE); +#endif + + /* Configure USARTy Tx as alternate function push-pull */ + GPIO_InitStructure.GPIO_Pin = USARTy_TxPin; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(USARTy_GPIO, &GPIO_InitStructure); + + /* Configure USARTy Rx as input floating */ + GPIO_InitStructure.GPIO_Pin = USARTy_RxPin; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; + GPIO_Init(USARTy_GPIO, &GPIO_InitStructure); +} + +#ifdef USE_FULL_ASSERT + +/** + * @brief Reports the name of the source file and the source line number + * where the assert_param error has occurred. + * @param file: pointer to the source file name + * @param line: assert_param error line source number + * @retval None + */ +void assert_failed(uint8_t* file, uint32_t line) +{ + /* User can add his own implementation to report the file name and line number, + ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ + + /* Infinite loop */ + while (1) + { + } +} + +#endif + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |