diff options
Diffstat (limited to 'src/stm32lib/examples/I2C/Interrupt/main.c')
| -rwxr-xr-x | src/stm32lib/examples/I2C/Interrupt/main.c | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/src/stm32lib/examples/I2C/Interrupt/main.c b/src/stm32lib/examples/I2C/Interrupt/main.c deleted file mode 100755 index 2b8f2d7..0000000 --- a/src/stm32lib/examples/I2C/Interrupt/main.c +++ /dev/null @@ -1,271 +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_SLAVE_ADDRESS7 0x30
-#define I2C2_SLAVE_ADDRESS7 0x30
-#define BufferSize 4
-#define ClockSpeed 200000
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-I2C_InitTypeDef I2C_InitStructure;
-u8 I2C1_Buffer_Tx[BufferSize] = {1,2,3,4};
-u8 I2C2_Buffer_Rx[BufferSize];
-vu8 Tx_Idx = 0, Rx_Idx = 0, PEC_Value = 0;
-volatile TestStatus TransferStatus = FAILED;
-ErrorStatus HSEStartUpStatus;
-
-/* Private functions ---------------------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_Configuration(void);
-void NVIC_Configuration(void);
-TestStatus Buffercmp(u8* pBuffer1, u8* pBuffer2, u16 BufferLength);
-
-/*******************************************************************************
-* 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();
-
- /* GPIO configuration ------------------------------------------------------*/
- GPIO_Configuration();
-
- /* Enable I2C1 and I2C2 ----------------------------------------------------*/
- I2C_Cmd(I2C1, ENABLE);
- I2C_Cmd(I2C2, ENABLE);
-
- /* Enable I2C1 and I2C2 event and buffer interrupt */
- I2C_ITConfig(I2C1, I2C_IT_EVT | I2C_IT_BUF, ENABLE);
- I2C_ITConfig(I2C2, I2C_IT_EVT | I2C_IT_BUF, 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);
-
- /* Send data */
- while(Rx_Idx < (BufferSize+1))
- {
- }
-
- /* Check the corectness of written data */
- TransferStatus = Buffercmp(I2C1_Buffer_Tx, I2C2_Buffer_Rx, BufferSize);
- /* TransferStatus = PASSED, if the transmitted and received data
- are equal */
- /* 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 peripheral clocks --------------------------------------------------*/
- /* Enable I2C1 and I2C2 clock */
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1 | RCC_APB1Periph_I2C2, ENABLE);
- /* Enable GPIOB clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, 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 NVIC and Vector Table base location.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void NVIC_Configuration(void)
-{
- NVIC_InitTypeDef NVIC_InitStructure;
-
-#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
-
- /* 1 bit for pre-emption priority, 3 bits for subpriority */
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
-
- /* Configure and enable I2C1 interrupt -------------------------------------*/
- NVIC_InitStructure.NVIC_IRQChannel = I2C1_EV_IRQChannel;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
-
- /* Configure and enable I2C2 interrupt -------------------------------------*/
- NVIC_InitStructure.NVIC_IRQChannel = I2C2_EV_IRQChannel;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_Init(&NVIC_InitStructure);
-}
-
-/*******************************************************************************
-* Function Name : Buffercmp
-* Description : Compares two buffers.
-* Input : - pBuffer1, pBuffer2: buffers to be compared.
-* : - BufferLength: buffer's length
-* Output : None
-* Return : PASSED: pBuffer1 identical to pBuffer2
-* FAILED: pBuffer1 differs from pBuffer2
-*******************************************************************************/
-TestStatus Buffercmp(u8* pBuffer1, u8* pBuffer2, u16 BufferLength)
-{
- while(BufferLength--)
- {
- if(*pBuffer1 != *pBuffer2)
- {
- return FAILED;
- }
-
- pBuffer1++;
- pBuffer2++;
- }
-
- 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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