Stefan Sofijanić / Mbed 2 deprecated DISCO-F469NI_SD_Test_v1

SD card use for DISCO-F469NI example

Dependencies:   mbed SD_DISCO_F469NI BSP_DISCO_F469NI

main.cpp@2:e2a46f444032, 2019-02-19 (annotated)

Committer:
Stefan_Sofijanic
Date:
Tue Feb 19 16:44:34 2019 +0000
Revision:
2:e2a46f444032
Parent:
1:06ab94bddfd9 
SD card use for DISCO-F469NI example v1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Stefan_Sofijanic 0:2fb6ef328490 1 #include "mbed.h"
Stefan_Sofijanic 0:2fb6ef328490 2 #include "SD_DISCO_F469NI.h"
Stefan_Sofijanic 0:2fb6ef328490 3
Stefan_Sofijanic 0:2fb6ef328490 4 SD_DISCO_F469NI sd;
Stefan_Sofijanic 0:2fb6ef328490 5
Stefan_Sofijanic 0:2fb6ef328490 6 DigitalOut led_green(LED1);
Stefan_Sofijanic 0:2fb6ef328490 7 DigitalOut led_red(LED2);
Stefan_Sofijanic 0:2fb6ef328490 8
Stefan_Sofijanic 0:2fb6ef328490 9 Serial pc(USBTX, USBRX);
Stefan_Sofijanic 0:2fb6ef328490 10
Stefan_Sofijanic 0:2fb6ef328490 11 #define BLOCK_START_ADDR 0 /* Block start address */
Stefan_Sofijanic 0:2fb6ef328490 12 #define NUM_OF_BLOCKS 5 /* Total number of blocks */
Stefan_Sofijanic 0:2fb6ef328490 13 #define BUFFER_WORDS_SIZE ((512 * NUM_OF_BLOCKS) >> 2) /* Total data size in bytes */
Stefan_Sofijanic 0:2fb6ef328490 14
Stefan_Sofijanic 0:2fb6ef328490 15 uint32_t aTxBuffer[BUFFER_WORDS_SIZE];
Stefan_Sofijanic 0:2fb6ef328490 16 uint32_t aRxBuffer[BUFFER_WORDS_SIZE];
Stefan_Sofijanic 0:2fb6ef328490 17 /* Private function prototypes -----------------------------------------------*/
Stefan_Sofijanic 0:2fb6ef328490 18 void SD_main_test(void);
Stefan_Sofijanic 0:2fb6ef328490 19 void SD_Detection(void);
Stefan_Sofijanic 0:2fb6ef328490 20
Stefan_Sofijanic 0:2fb6ef328490 21 static void Fill_Buffer(uint32_t *pBuffer, uint32_t uwBufferLenght, uint32_t uwOffset);
Stefan_Sofijanic 0:2fb6ef328490 22 static uint8_t Buffercmp(uint32_t* pBuffer1, uint32_t* pBuffer2, uint16_t BufferLength);
Stefan_Sofijanic 0:2fb6ef328490 23
Stefan_Sofijanic 0:2fb6ef328490 24 int main() {
Stefan_Sofijanic 0:2fb6ef328490 25 uint8_t SD_state = MSD_OK;
Stefan_Sofijanic 0:2fb6ef328490 26 pc.printf("SD\n");
Stefan_Sofijanic 0:2fb6ef328490 27 pc.printf("This example shows how to write\n");
Stefan_Sofijanic 0:2fb6ef328490 28 pc.printf("and read data on the microSD and also\n");
Stefan_Sofijanic 0:2fb6ef328490 29 pc.printf("how to detect the presence of the card\n");
Stefan_Sofijanic 0:2fb6ef328490 30 led_red = 0;
Stefan_Sofijanic 0:2fb6ef328490 31
Stefan_Sofijanic 0:2fb6ef328490 32 SD_state = sd.Init();
Stefan_Sofijanic 0:2fb6ef328490 33 if(SD_state != MSD_OK){
Stefan_Sofijanic 0:2fb6ef328490 34 if(SD_state == MSD_ERROR_SD_NOT_PRESENT){
Stefan_Sofijanic 0:2fb6ef328490 35 pc.printf("SD shall be inserted before running test\n");
Stefan_Sofijanic 0:2fb6ef328490 36 } else {
Stefan_Sofijanic 0:2fb6ef328490 37 pc.printf("SD Initialization : FAIL.\n");
Stefan_Sofijanic 0:2fb6ef328490 38 }
Stefan_Sofijanic 0:2fb6ef328490 39 pc.printf("SD Test Aborted.\n");
Stefan_Sofijanic 0:2fb6ef328490 40 } else {
Stefan_Sofijanic 0:2fb6ef328490 41 pc.printf("SD Initialization : OK.\n");
Stefan_Sofijanic 0:2fb6ef328490 42
Stefan_Sofijanic 0:2fb6ef328490 43 if(sd.Erase(BLOCK_START_ADDR, (512 * NUM_OF_BLOCKS)) != MSD_OK){
Stefan_Sofijanic 0:2fb6ef328490 44 pc.printf("SD ERASE : FAILED.\n");
Stefan_Sofijanic 0:2fb6ef328490 45 pc.printf("SD Test Aborted.\n");
Stefan_Sofijanic 0:2fb6ef328490 46 } else {
Stefan_Sofijanic 0:2fb6ef328490 47 pc.printf("SD ERASE : OK.\n");
Stefan_Sofijanic 0:2fb6ef328490 48
Stefan_Sofijanic 0:2fb6ef328490 49 /* Fill the buffer to write */
Stefan_Sofijanic 0:2fb6ef328490 50 Fill_Buffer(aTxBuffer, BUFFER_WORDS_SIZE, 0x22FF);
Stefan_Sofijanic 0:2fb6ef328490 51
Stefan_Sofijanic 0:2fb6ef328490 52 if(sd.WriteBlocks(aTxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, SD_DATATIMEOUT) != MSD_OK){
Stefan_Sofijanic 0:2fb6ef328490 53 pc.printf("SD WRITE : FAILED.\n");
Stefan_Sofijanic 0:2fb6ef328490 54 pc.printf("SD Test Aborted.\n");
Stefan_Sofijanic 0:2fb6ef328490 55 } else {
Stefan_Sofijanic 0:2fb6ef328490 56 pc.printf("SD WRITE : OK.\n");
Stefan_Sofijanic 0:2fb6ef328490 57
Stefan_Sofijanic 0:2fb6ef328490 58 if(sd.ReadBlocks(aRxBuffer, BLOCK_START_ADDR, NUM_OF_BLOCKS, SD_DATATIMEOUT)!= MSD_OK){
Stefan_Sofijanic 0:2fb6ef328490 59 pc.printf("SD READ : FAILED.\n");
Stefan_Sofijanic 0:2fb6ef328490 60 pc.printf("SD Test Aborted.\n");
Stefan_Sofijanic 0:2fb6ef328490 61 } else {
Stefan_Sofijanic 0:2fb6ef328490 62 pc.printf("SD READ : OK.\n");
Stefan_Sofijanic 0:2fb6ef328490 63 if(Buffercmp(aTxBuffer, aRxBuffer, BUFFER_WORDS_SIZE) > 0){
Stefan_Sofijanic 0:2fb6ef328490 64 pc.printf("SD COMPARE : FAILED.\n");
Stefan_Sofijanic 0:2fb6ef328490 65 pc.printf("SD Test Aborted.\n");
Stefan_Sofijanic 0:2fb6ef328490 66 } else {
Stefan_Sofijanic 0:2fb6ef328490 67 pc.printf("SD Test : OK.\n");
Stefan_Sofijanic 0:2fb6ef328490 68 pc.printf("SD can be removed.\n");
Stefan_Sofijanic 0:2fb6ef328490 69 }
Stefan_Sofijanic 0:2fb6ef328490 70 }
Stefan_Sofijanic 0:2fb6ef328490 71 }
Stefan_Sofijanic 0:2fb6ef328490 72 }
Stefan_Sofijanic 0:2fb6ef328490 73 }
Stefan_Sofijanic 0:2fb6ef328490 74
Stefan_Sofijanic 1:06ab94bddfd9 75 // while (1) {}
Stefan_Sofijanic 0:2fb6ef328490 76 }
Stefan_Sofijanic 0:2fb6ef328490 77
Stefan_Sofijanic 0:2fb6ef328490 78 /**
Stefan_Sofijanic 0:2fb6ef328490 79 * @brief Fills buffer with user predefined data.
Stefan_Sofijanic 0:2fb6ef328490 80 * @param pBuffer: pointer on the buffer to fill
Stefan_Sofijanic 0:2fb6ef328490 81 * @param uwBufferLenght: size of the buffer to fill
Stefan_Sofijanic 0:2fb6ef328490 82 * @param uwOffset: first value to fill on the buffer
Stefan_Sofijanic 0:2fb6ef328490 83 * @retval None
Stefan_Sofijanic 0:2fb6ef328490 84 */
Stefan_Sofijanic 0:2fb6ef328490 85 static void Fill_Buffer(uint32_t *pBuffer, uint32_t uwBufferLength, uint32_t uwOffset) {
Stefan_Sofijanic 0:2fb6ef328490 86 uint32_t tmpIndex = 0;
Stefan_Sofijanic 0:2fb6ef328490 87
Stefan_Sofijanic 0:2fb6ef328490 88 /* Put in global buffer different values */
Stefan_Sofijanic 0:2fb6ef328490 89 for (tmpIndex = 0; tmpIndex < uwBufferLength; tmpIndex++ ){
Stefan_Sofijanic 0:2fb6ef328490 90 pBuffer[tmpIndex] = tmpIndex + uwOffset;
Stefan_Sofijanic 0:2fb6ef328490 91 }
Stefan_Sofijanic 0:2fb6ef328490 92 }
Stefan_Sofijanic 0:2fb6ef328490 93
Stefan_Sofijanic 0:2fb6ef328490 94 /**
Stefan_Sofijanic 0:2fb6ef328490 95 * @brief Compares two buffers.
Stefan_Sofijanic 0:2fb6ef328490 96 * @param pBuffer1, pBuffer2: buffers to be compared.
Stefan_Sofijanic 0:2fb6ef328490 97 * @param BufferLength: buffer's length
Stefan_Sofijanic 0:2fb6ef328490 98 * @retval 1: pBuffer identical to pBuffer1
Stefan_Sofijanic 0:2fb6ef328490 99 * 0: pBuffer differs from pBuffer1
Stefan_Sofijanic 0:2fb6ef328490 100 */
Stefan_Sofijanic 0:2fb6ef328490 101 static uint8_t Buffercmp(uint32_t* pBuffer1, uint32_t* pBuffer2, uint16_t BufferLength) {
Stefan_Sofijanic 0:2fb6ef328490 102 while (BufferLength--) {
Stefan_Sofijanic 0:2fb6ef328490 103 if (*pBuffer1 != *pBuffer2) {
Stefan_Sofijanic 0:2fb6ef328490 104 return 1;
Stefan_Sofijanic 0:2fb6ef328490 105 }
Stefan_Sofijanic 0:2fb6ef328490 106
Stefan_Sofijanic 0:2fb6ef328490 107 pBuffer1++;
Stefan_Sofijanic 0:2fb6ef328490 108 pBuffer2++;
Stefan_Sofijanic 0:2fb6ef328490 109 }
Stefan_Sofijanic 0:2fb6ef328490 110
Stefan_Sofijanic 0:2fb6ef328490 111 return 0;
Stefan_Sofijanic 0:2fb6ef328490 112 }