diff options
Diffstat (limited to 'src/stm32lib/examples/DMA/I2C_RAM/main.c')
| -rwxr-xr-x | src/stm32lib/examples/DMA/I2C_RAM/main.c | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/src/stm32lib/examples/DMA/I2C_RAM/main.c b/src/stm32lib/examples/DMA/I2C_RAM/main.c deleted file mode 100755 index 5ef5d04..0000000 --- a/src/stm32lib/examples/DMA/I2C_RAM/main.c +++ /dev/null @@ -1,305 +0,0 @@ -/******************** (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"
-
-/* 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;
-u8 I2C1_Buffer_Tx[BufferSize] = {1, 2, 3, 4, 5, 6, 7, 8};
-u8 I2C2_Buffer_Rx[BufferSize];
-u8 Tx_Idx = 0, Rx_Idx = 0;
-volatile TestStatus TransferStatus;
-ErrorStatus HSEStartUpStatus;
-
-/* Private function prototypes -----------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_Configuration(void);
-void NVIC_Configuration(void);
-TestStatus Buffercmp(u8* pBuffer, u8* pBuffer1, u16 BufferLength);
-
-/* 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();
-
- /* DMA1 channel5 configuration ----------------------------------------------*/
- DMA_DeInit(DMA1_Channel5);
- DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)I2C2_DR_Address;
- DMA_InitStructure.DMA_MemoryBaseAddr = (u32)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 = (u32)I2C1_DR_Address;
- DMA_InitStructure.DMA_MemoryBaseAddr = (u32)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 */
- I2C_ClearFlag(I2C2, I2C_FLAG_STOPF);
-
- /* 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)
- {
- }
-}
-
-/*******************************************************************************
-* 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 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);
-}
-
-/*******************************************************************************
-* Function Name : GPIO_Configuration
-* Description : Configures the different GPIO ports.
-* Input : None
-* Output : None
-* Return : 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);
-}
-
-/*******************************************************************************
-* 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
-}
-
-/*******************************************************************************
-* Function Name : Buffercmp
-* Description : Compares two buffers.
-* Input : - pBuffer, pBuffer1: buffers to be compared.
-* : - BufferLength: buffer's length
-* Output : None
-* Return : PASSED: pBuffer identical to pBuffer1
-* FAILED: pBuffer differs from pBuffer1
-*******************************************************************************/
-TestStatus Buffercmp(u8* pBuffer, u8* pBuffer1, u16 BufferLength)
-{
- while(BufferLength--)
- {
- if(*pBuffer != *pBuffer1)
- {
- return FAILED;
- }
-
- pBuffer++;
- pBuffer1++;
- }
-
- return PASSED;
-}
-
-#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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