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authorTrygve Laugstøl <trygvis@inamo.no>2017-01-25 22:24:18 +0100
committerTrygve Laugstøl <trygvis@inamo.no>2017-01-25 22:29:25 +0100
commit40e04e3772726829d66c12e69f24b03920d79c67 (patch)
tree636811bad956798c9d5d22de9e7ba8c799b8d791 /tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/USART/Interrupt/main.c
parent2fff65aed2477a503c72629d27e2a330d30c02d1 (diff)
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o Moving tinyprintf and stm libraries under thirdparty.
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-/**
- ******************************************************************************
- * @file USART/Interrupt/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>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
- ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f10x.h"
-#include "platform_config.h"
-
-/** @addtogroup STM32F10x_StdPeriph_Examples
- * @{
- */
-
-/** @addtogroup USART_Interrupt
- * @{
- */
-
-/* Private typedef -----------------------------------------------------------*/
-typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus;
-
-/* Private define ------------------------------------------------------------*/
-#define TxBufferSize1 (countof(TxBuffer1) - 1)
-#define TxBufferSize2 (countof(TxBuffer2) - 1)
-#define RxBufferSize1 TxBufferSize2
-#define RxBufferSize2 TxBufferSize1
-
-/* Private macro -------------------------------------------------------------*/
-#define countof(a) (sizeof(a) / sizeof(*(a)))
-
-/* Private variables ---------------------------------------------------------*/
-USART_InitTypeDef USART_InitStructure;
-uint8_t TxBuffer1[] = "USART Interrupt Example: USARTy -> USARTz using Interrupt";
-uint8_t TxBuffer2[] = "USART Interrupt Example: USARTz -> USARTy using Interrupt";
-uint8_t RxBuffer1[RxBufferSize1];
-uint8_t RxBuffer2[RxBufferSize2];
-__IO uint8_t TxCounter1 = 0x00;
-__IO uint8_t TxCounter2 = 0x00;
-__IO uint8_t RxCounter1 = 0x00;
-__IO uint8_t RxCounter2 = 0x00;
-uint8_t NbrOfDataToTransfer1 = TxBufferSize1;
-uint8_t NbrOfDataToTransfer2 = TxBufferSize2;
-uint8_t NbrOfDataToRead1 = RxBufferSize1;
-uint8_t NbrOfDataToRead2 = RxBufferSize2;
-__IO TestStatus TransferStatus1 = FAILED;
-__IO TestStatus TransferStatus2 = FAILED;
-
-/* Private function prototypes -----------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_Configuration(void);
-void NVIC_Configuration(void);
-TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength);
-
-/* 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();
-
- /* NVIC configuration */
- NVIC_Configuration();
-
- /* Configure the GPIO ports */
- GPIO_Configuration();
-
-/* USARTy and USARTz configuration ------------------------------------------------------*/
- /* USARTy and USARTz configured as follow:
- - BaudRate = 9600 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 = 9600;
- 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 USARTy */
- USART_Init(USARTy, &USART_InitStructure);
- /* Configure USARTz */
- USART_Init(USARTz, &USART_InitStructure);
-
- /* Enable USARTy Receive and Transmit interrupts */
- USART_ITConfig(USARTy, USART_IT_RXNE, ENABLE);
- USART_ITConfig(USARTy, USART_IT_TXE, ENABLE);
-
- /* Enable USARTz Receive and Transmit interrupts */
- USART_ITConfig(USARTz, USART_IT_RXNE, ENABLE);
- USART_ITConfig(USARTz, USART_IT_TXE, ENABLE);
-
- /* Enable the USARTy */
- USART_Cmd(USARTy, ENABLE);
- /* Enable the USARTz */
- USART_Cmd(USARTz, ENABLE);
-
- /* Wait until end of transmission from USARTy to USARTz */
- while(RxCounter2 < RxBufferSize2)
- {
- }
-
- /* Wait until end of transmission from USARTz to USARTy */
- while(RxCounter1 < RxBufferSize1)
- {
- }
-
- /* Check the received data with the send ones */
- TransferStatus1 = Buffercmp(TxBuffer2, RxBuffer1, RxBufferSize1);
- /* TransferStatus1 = PASSED, if the data transmitted from USARTz and
- received by USARTy are the same */
- /* TransferStatus1 = FAILED, if the data transmitted from USARTz and
- received by USARTy are different */
- TransferStatus2 = Buffercmp(TxBuffer1, RxBuffer2, RxBufferSize2);
- /* TransferStatus2 = PASSED, if the data transmitted from USARTy and
- received by USARTz are the same */
- /* TransferStatus2 = FAILED, if the data transmitted from USARTy and
- received by USARTz are different */
-
- while (1)
- {
- }
-}
-
-/**
- * @brief Configures the different system clocks.
- * @param None
- * @retval None
- */
-void RCC_Configuration(void)
-{
- /* Enable GPIO clock */
- RCC_APB2PeriphClockCmd(USARTy_GPIO_CLK | USARTz_GPIO_CLK | RCC_APB2Periph_AFIO, ENABLE);
-
-#ifndef USE_STM3210C_EVAL
- /* Enable USARTy Clock */
- RCC_APB2PeriphClockCmd(USARTy_CLK, ENABLE);
-#else
- /* Enable USARTy Clock */
- RCC_APB1PeriphClockCmd(USARTy_CLK, ENABLE);
-#endif
- /* Enable USARTz Clock */
- RCC_APB1PeriphClockCmd(USARTz_CLK, ENABLE);
-}
-
-/**
- * @brief Configures the different GPIO ports.
- * @param None
- * @retval None
- */
-void GPIO_Configuration(void)
-{
- GPIO_InitTypeDef GPIO_InitStructure;
-
-#ifdef USE_STM3210C_EVAL
- /* Enable the USART3 Pins Software Remapping */
- GPIO_PinRemapConfig(GPIO_PartialRemap_USART3, ENABLE);
-
- /* Enable the USART2 Pins Software Remapping */
- GPIO_PinRemapConfig(GPIO_Remap_USART2, ENABLE);
-#elif defined USE_STM3210B_EVAL || defined USE_STM32100B_EVAL
- /* Enable the USART2 Pins Software Remapping */
- GPIO_PinRemapConfig(GPIO_Remap_USART2, ENABLE);
-#endif
-
- /* 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);
-
- /* Configure USARTz Rx as input floating */
- GPIO_InitStructure.GPIO_Pin = USARTz_RxPin;
- GPIO_Init(USARTz_GPIO, &GPIO_InitStructure);
-
- /* 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 USARTz Tx as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = USARTz_TxPin;
- GPIO_Init(USARTz_GPIO, &GPIO_InitStructure);
-}
-
-/**
- * @brief Configures the nested vectored interrupt controller.
- * @param None
- * @retval None
- */
-void NVIC_Configuration(void)
-{
- NVIC_InitTypeDef NVIC_InitStructure;
-
- /* Configure the NVIC Preemption Priority Bits */
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
-
- /* Enable the USARTy Interrupt */
- NVIC_InitStructure.NVIC_IRQChannel = USARTy_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-
- /* Enable the USARTz Interrupt */
- NVIC_InitStructure.NVIC_IRQChannel = USARTz_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-}
-
-/**
- * @brief Compares two buffers.
- * @param pBuffer1, pBuffer2: buffers to be compared.
- * @param BufferLength: buffer's length
- * @retval PASSED: pBuffer1 identical to pBuffer2
- * FAILED: pBuffer1 differs from pBuffer2
- */
-TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength)
-{
- while(BufferLength--)
- {
- if(*pBuffer1 != *pBuffer2)
- {
- return FAILED;
- }
-
- pBuffer1++;
- pBuffer2++;
- }
-
- return PASSED;
-}
-
-#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****/