diff options
Diffstat (limited to 'src/stm32lib/examples/USART/IrDA/Receive/main.c')
| -rwxr-xr-x | src/stm32lib/examples/USART/IrDA/Receive/main.c | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/stm32lib/examples/USART/IrDA/Receive/main.c b/src/stm32lib/examples/USART/IrDA/Receive/main.c new file mode 100755 index 0000000..5338cc9 --- /dev/null +++ b/src/stm32lib/examples/USART/IrDA/Receive/main.c @@ -0,0 +1,262 @@ +/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
+* File Name : main.c
+* Author : MCD Application Team
+* Version : V2.0.1
+* Date : 06/13/2008
+* Description : Main program body
+********************************************************************************
+* 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.
+*******************************************************************************/
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f10x_lib.h"
+#include "platform_config.h"
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define NOKEY 0x00
+#define SEL 0x01
+#define RIGHT 0x02
+#define LEFT 0x03
+#define UP 0x04
+#define DOWN 0x05
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+USART_InitTypeDef USART_InitStructure;
+u8 ReceivedData = 0;
+ErrorStatus HSEStartUpStatus;
+
+/* Private function prototypes -----------------------------------------------*/
+void RCC_Configuration(void);
+void GPIO_Configuration(void);
+void NVIC_Configuration(void);
+
+/* Private functions ---------------------------------------------------------*/
+
+/*******************************************************************************
+* Function Name : main
+* Description : Main program
+* Input : None
+* Output : None
+* Return : None
+*******************************************************************************/
+int main(void)
+{
+#ifdef DEBUG
+ debug();
+#endif
+
+ /* System Clocks Configuration */
+ RCC_Configuration();
+
+ /* NVIC configuration */
+ NVIC_Configuration();
+
+ /* Configure the GPIO ports */
+ GPIO_Configuration();
+
+/* USART3 configuration ------------------------------------------------------*/
+ /* USART3 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 USART3 */
+ USART_Init(USART3, &USART_InitStructure);
+ /* Enable the USART3 */
+ USART_Cmd(USART3, ENABLE);
+
+ /* Set the USART3 prescaler */
+ USART_SetPrescaler(USART3, 0x1);
+ /* Configure the USART3 IrDA mode */
+ USART_IrDAConfig(USART3, USART_IrDAMode_Normal);
+
+ /* Enable the USART3 IrDA mode */
+ USART_IrDACmd(USART3, ENABLE);
+
+ while (1)
+ {
+ /* Wait until a byte is received */
+ while(USART_GetFlagStatus(USART3, USART_FLAG_RXNE) == RESET)
+ {
+ }
+ /* Read the received byte */
+ ReceivedData = USART_ReceiveData(USART3);
+
+ switch(ReceivedData)
+ {
+ case UP:
+ GPIO_Write(GPIO_LED, GPIO_Pin_6);
+ break;
+ case DOWN:
+ GPIO_Write(GPIO_LED, GPIO_Pin_7);
+ break;
+ case LEFT:
+ GPIO_Write(GPIO_LED, GPIO_Pin_8);
+ break;
+ case RIGHT:
+ GPIO_Write(GPIO_LED, GPIO_Pin_9);
+ break;
+ case SEL:
+ GPIO_Write(GPIO_LED, GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9);
+ break;
+ case NOKEY:
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+/*******************************************************************************
+* Function Name : RCC_Configuration
+* Description : Configures the different system clocks.
+* Input : None
+* Output : None
+* Return : None
+*******************************************************************************/
+void RCC_Configuration(void)
+{
+ /* RCC system reset(for debug purpose) */
+ RCC_DeInit();
+
+ /* Enable HSE */
+ RCC_HSEConfig(RCC_HSE_ON);
+
+ /* Wait till HSE is ready */
+ HSEStartUpStatus = RCC_WaitForHSEStartUp();
+
+ if(HSEStartUpStatus == SUCCESS)
+ {
+ /* Enable Prefetch Buffer */
+ FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
+
+ /* Flash 2 wait state */
+ FLASH_SetLatency(FLASH_Latency_2);
+
+ /* HCLK = SYSCLK */
+ RCC_HCLKConfig(RCC_SYSCLK_Div1);
+
+ /* PCLK2 = HCLK */
+ RCC_PCLK2Config(RCC_HCLK_Div1);
+
+ /* PCLK1 = HCLK/2 */
+ RCC_PCLK1Config(RCC_HCLK_Div2);
+
+ /* PLLCLK = 8MHz * 9 = 72 MHz */
+ RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
+
+ /* Enable PLL */
+ RCC_PLLCmd(ENABLE);
+
+ /* Wait till PLL is ready */
+ while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
+ {
+ }
+
+ /* Select PLL as system clock source */
+ RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
+
+ /* Wait till PLL is used as system clock source */
+ while(RCC_GetSYSCLKSource() != 0x08)
+ {
+ }
+ }
+
+ /* Enable GPIOC, GPIO_LED and AFIO clocks */
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIO_LED |
+ RCC_APB2Periph_AFIO, ENABLE);
+ /* Enable USART3 clocks */
+ RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
+}
+
+/*******************************************************************************
+* Function Name : GPIO_Configuration
+* Description : Configures the different GPIO ports.
+* Input : None
+* Output : None
+* Return : None
+*******************************************************************************/
+void GPIO_Configuration(void)
+{
+ GPIO_InitTypeDef GPIO_InitStructure;
+
+ /* Enable the USART3 Pins Partial Software Remapping */
+ GPIO_PinRemapConfig(GPIO_PartialRemap_USART3, ENABLE);
+
+ /* Configure USART3 Tx (PC.10)as alternate function push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+ GPIO_Init(GPIOC, &GPIO_InitStructure);
+
+ /* Configure USART3 Rx PC.11 as input floating */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+ GPIO_Init(GPIOC, &GPIO_InitStructure);
+
+ /* Configure GPIO_LED Pin 6, GPIO_LED Pin 7, GPIO_LED Pin 8 and GPIO_LED Pin 9 as output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
+ GPIO_Init(GPIO_LED, &GPIO_InitStructure);
+}
+
+/*******************************************************************************
+* Function Name : NVIC_Configuration
+* Description : Configures Vector Table base location.
+* Input : None
+* Output : None
+* Return : None
+*******************************************************************************/
+void NVIC_Configuration(void)
+{
+#ifdef VECT_TAB_RAM
+ /* Set the Vector Table base location at 0x20000000 */
+ NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
+#else /* VECT_TAB_FLASH */
+ /* Set the Vector Table base location at 0x08000000 */
+ NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
+#endif
+}
+
+#ifdef DEBUG
+/*******************************************************************************
+* Function Name : assert_failed
+* Description : Reports the name of the source file and the source line number
+* where the assert_param error has occurred.
+* Input : - file: pointer to the source file name
+* - line: assert_param error line source number
+* Output : None
+* Return : None
+*******************************************************************************/
+void assert_failed(u8* file, u32 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 2008 STMicroelectronics *****END OF FILE****/
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