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author | Trygve Laugstøl <trygvis@inamo.no> | 2017-01-25 22:24:18 +0100 |
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committer | Trygve Laugstøl <trygvis@inamo.no> | 2017-01-25 22:29:25 +0100 |
commit | 40e04e3772726829d66c12e69f24b03920d79c67 (patch) | |
tree | 636811bad956798c9d5d22de9e7ba8c799b8d791 /tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/main.c | |
parent | 2fff65aed2477a503c72629d27e2a330d30c02d1 (diff) | |
download | stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.tar.gz stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.tar.bz2 stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.tar.xz stm32f103-playground-40e04e3772726829d66c12e69f24b03920d79c67.zip |
o Moving tinyprintf and stm libraries under thirdparty.
Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/main.c')
-rw-r--r-- | tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/main.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/main.c deleted file mode 100644 index 56a6480..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/main.c +++ /dev/null @@ -1,256 +0,0 @@ -/** - ****************************************************************************** - * @file DMA/I2C_RAM/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" - -/** @addtogroup STM32F10x_StdPeriph_Examples - * @{ - */ - -/** @addtogroup DMA_I2C_RAM - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus; - -/* Private define ------------------------------------------------------------*/ -#define I2C1_DR_Address 0x40005410 -#define I2C2_DR_Address 0x40005810 -#define I2C1_SLAVE_ADDRESS7 0x30 -#define I2C2_SLAVE_ADDRESS7 0x30 -#define BufferSize 8 -#define ClockSpeed 100000 - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -I2C_InitTypeDef I2C_InitStructure; -DMA_InitTypeDef DMA_InitStructure; -uint8_t I2C1_Buffer_Tx[BufferSize] = {1, 2, 3, 4, 5, 6, 7, 8}; -uint8_t I2C2_Buffer_Rx[BufferSize]; -uint8_t Tx_Idx = 0, Rx_Idx = 0; -volatile TestStatus TransferStatus; - -/* Private function prototypes -----------------------------------------------*/ -void RCC_Configuration(void); -void GPIO_Configuration(void); -TestStatus Buffercmp(uint8_t* pBuffer, uint8_t* pBuffer1, 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(); - - /* Configure the GPIO ports */ - GPIO_Configuration(); - - /* DMA1 channel5 configuration ----------------------------------------------*/ - DMA_DeInit(DMA1_Channel5); - DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)I2C2_DR_Address; - DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)I2C2_Buffer_Rx; - DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; - DMA_InitStructure.DMA_BufferSize = BufferSize; - DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; - DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; - DMA_InitStructure.DMA_PeripheralDataSize = DMA_MemoryDataSize_Byte; - DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte; - DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; - DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh; - DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; - DMA_Init(DMA1_Channel5, &DMA_InitStructure); - - /* DMA1 channel6 configuration ----------------------------------------------*/ - DMA_DeInit(DMA1_Channel6); - DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)I2C1_DR_Address; - DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)I2C1_Buffer_Tx; - DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; - DMA_InitStructure.DMA_Priority = DMA_Priority_High; - DMA_Init(DMA1_Channel6, &DMA_InitStructure); - - /* Enable I2C1 and I2C2 ----------------------------------------------------*/ - I2C_Cmd(I2C1, ENABLE); - I2C_Cmd(I2C2, ENABLE); - - /* I2C1 configuration ------------------------------------------------------*/ - I2C_InitStructure.I2C_Mode = I2C_Mode_I2C; - I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2; - I2C_InitStructure.I2C_OwnAddress1 = I2C1_SLAVE_ADDRESS7; - I2C_InitStructure.I2C_Ack = I2C_Ack_Enable; - I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit; - I2C_InitStructure.I2C_ClockSpeed = ClockSpeed; - I2C_Init(I2C1, &I2C_InitStructure); - /* I2C2 configuration ------------------------------------------------------*/ - I2C_InitStructure.I2C_OwnAddress1 = I2C2_SLAVE_ADDRESS7; - I2C_Init(I2C2, &I2C_InitStructure); - - /*----- Transmission Phase -----*/ - /* Send I2C1 START condition */ - I2C_GenerateSTART(I2C1, ENABLE); - /* Test on I2C1 EV5 and clear it */ - while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT)); - /* Send I2C2 slave Address for write */ - I2C_Send7bitAddress(I2C1, I2C2_SLAVE_ADDRESS7, I2C_Direction_Transmitter); - /* Test on I2C2 EV1 and clear it */ - while(!I2C_CheckEvent(I2C2, I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED)); - /* Test on I2C1 EV6 and clear it */ - while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED)); - - /* Enable I2C2 DMA */ - I2C_DMACmd(I2C2, ENABLE); - /* Enable I2C1 DMA */ - I2C_DMACmd(I2C1, ENABLE); - - /* Enable DMA1 Channel5 */ - DMA_Cmd(DMA1_Channel5, ENABLE); - /* Enable DMA1 Channel6 */ - DMA_Cmd(DMA1_Channel6, ENABLE); - - /* DMA1 Channel5 transfer complete test */ - while(!DMA_GetFlagStatus(DMA1_FLAG_TC5)); - /* DMA1 Channel6 transfer complete test */ - while(!DMA_GetFlagStatus(DMA1_FLAG_TC6)); - - /* Send I2C1 STOP Condition */ - I2C_GenerateSTOP(I2C1, ENABLE); - /* Test on I2C2 EV4 */ - while(!I2C_CheckEvent(I2C2, I2C_EVENT_SLAVE_STOP_DETECTED)); - /* Clear I2C2 STOPF flag: read operation to I2C_SR1 followed by a - write operation to I2C_CR1 */ - (void)(I2C_GetFlagStatus(I2C2, I2C_FLAG_STOPF)); - I2C_Cmd(I2C2, ENABLE); - - - /* Check if the transmitted and received data are equal */ - TransferStatus = Buffercmp(I2C1_Buffer_Tx, I2C2_Buffer_Rx, BufferSize); - /* TransferStatus = PASSED, if the transmitted and received data - are the same */ - /* TransferStatus = FAILED, if the transmitted and received data - are different */ - - while (1) - { - } -} - -/** - * @brief Configures the different system clocks. - * @param None - * @retval None - */ -void RCC_Configuration(void) -{ - /* Enable DMA1 clock */ - RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); - /* Enable GPIOB clock */ - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); - /* Enable I2C1 and I2C2 clock */ - RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1 | RCC_APB1Periph_I2C2, ENABLE); -} - -/** - * @brief Configures the different GPIO ports. - * @param None - * @retval None - */ -void GPIO_Configuration(void) -{ - GPIO_InitTypeDef GPIO_InitStructure; - - /* Configure I2C1 pins: SCL and SDA */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD; - GPIO_Init(GPIOB, &GPIO_InitStructure); - - /* Configure I2C2 pins: SCL and SDA */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11; - GPIO_Init(GPIOB, &GPIO_InitStructure); -} - -/** - * @brief Compares two buffers. - * @param pBuffer, pBuffer1: buffers to be compared. - * @param BufferLength: buffer's length - * @retval PASSED: pBuffer identical to pBuffer1 - * FAILED: pBuffer differs from pBuffer1 - */ -TestStatus Buffercmp(uint8_t* pBuffer, uint8_t* pBuffer1, uint16_t BufferLength) -{ - while(BufferLength--) - { - if(*pBuffer != *pBuffer1) - { - return FAILED; - } - - pBuffer++; - pBuffer1++; - } - - 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****/ |