| /** | |
| ****************************************************************************** | |
| * @file FSMC/SRAM/main.c | |
| * @author MCD Application Team | |
| * @version V1.1.1 | |
| * @date 13-April-2012 | |
| * @brief Main program body | |
| ****************************************************************************** | |
| * @attention | |
| * | |
| * <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2> | |
| * | |
| * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); | |
| * You may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at: | |
| * | |
| * http://www.st.com/software_license_agreement_liberty_v2 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, | |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| * | |
| ****************************************************************************** | |
| */ | |
| /* Includes ------------------------------------------------------------------*/ | |
| /** @addtogroup STM32L1xx_StdPeriph_Examples | |
| * @{ | |
| */ | |
| /** @addtogroup FSMC_SRAM | |
| * @{ | |
| */ | |
| /* Private typedef -----------------------------------------------------------*/ | |
| /* Private define ------------------------------------------------------------*/ | |
| /* Private macro -------------------------------------------------------------*/ | |
| /* Private variables ---------------------------------------------------------*/ | |
| uint16_t TxBuffer[BUFFER_SIZE]; | |
| uint16_t RxBuffer[BUFFER_SIZE]; | |
| uint32_t WriteReadStatus = 0, Index = 0; | |
| /* Private function prototypes -----------------------------------------------*/ | |
| void Fill_Buffer(uint16_t *pBuffer, uint16_t BufferLenght, uint32_t Offset); | |
| /* 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_stm32l1xx_xx.s) before to branch to application main. | |
| To reconfigure the default setting of SystemInit() function, refer to | |
| system_stm32l1xx.c file | |
| */ | |
| /* Initialize Leds mounted on STM32LXX-EVAL board */ | |
| STM_EVAL_LEDInit(LED1); | |
| STM_EVAL_LEDInit(LED2); | |
| /* Write/read to/from FSMC SRAM memory *************************************/ | |
| /* Enable the FSMC Clock */ | |
| RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE); | |
| /* Configure FSMC Bank1 NOR/SRAM3 */ | |
| SRAM_Init(); | |
| /* Write data to FSMC SRAM memory */ | |
| /* Fill the buffer to send */ | |
| Fill_Buffer(TxBuffer, BUFFER_SIZE, 0x3212); | |
| SRAM_WriteBuffer(TxBuffer, WRITE_READ_ADDR, BUFFER_SIZE); | |
| /* Read data from FSMC SRAM memory */ | |
| SRAM_ReadBuffer(RxBuffer, WRITE_READ_ADDR, BUFFER_SIZE); | |
| /* Read back SRAM memory and check content correctness */ | |
| for (Index = 0x00; (Index < BUFFER_SIZE) && (WriteReadStatus == 0); Index++) | |
| { | |
| if (RxBuffer[Index] != TxBuffer[Index]) | |
| { | |
| WriteReadStatus = Index + 1; | |
| } | |
| } | |
| if (WriteReadStatus == 0) | |
| { | |
| /* OK */ | |
| /* Turn on LED1 */ | |
| STM_EVAL_LEDOn(LED1); | |
| } | |
| else | |
| { | |
| /* KO */ | |
| /* Turn on LED2 */ | |
| STM_EVAL_LEDOn(LED2); | |
| } | |
| while (1) | |
| { | |
| } | |
| } | |
| /** | |
| * @brief Fill the global buffer | |
| * @param pBuffer: pointer on the Buffer to fill | |
| * @param BufferSize: size of the buffer to fill | |
| * @param Offset: first value to fill on the Buffer | |
| */ | |
| void Fill_Buffer(uint16_t *pBuffer, uint16_t BufferLenght, uint32_t Offset) | |
| { | |
| uint16_t IndexTmp = 0; | |
| /* Put in global buffer same values */ | |
| for (IndexTmp = 0; IndexTmp < BufferLenght; IndexTmp++ ) | |
| { | |
| pBuffer[IndexTmp] = IndexTmp + Offset; | |
| } | |
| } | |
| /** | |
| * @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) | |
| { | |
| } | |
| } | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ | |