ST / Mbed OS DISCO-F769NI_SD_demo

SD basic example for DISCO-F769NI

Dependencies:   BSP_DISCO_F769NI

main.cpp@0:b134be2534a3, 2017-04-11 (annotated)

Committer:
jeromecoutant
Date:
Tue Apr 11 14:32:52 2017 +0000
Revision:
0:b134be2534a3
Child:
2:4c7f351406d3
SD basic example for DISCO-F769NI

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jeromecoutant 0:b134be2534a3 1 #include "mbed.h"
jeromecoutant 0:b134be2534a3 2 #include "stm32f769i_discovery.h"
jeromecoutant 0:b134be2534a3 3 #include "stm32f769i_discovery_lcd.h"
jeromecoutant 0:b134be2534a3 4 #include "stm32f769i_discovery_sd.h"
jeromecoutant 0:b134be2534a3 5
jeromecoutant 0:b134be2534a3 6 int main()
jeromecoutant 0:b134be2534a3 7 {
jeromecoutant 0:b134be2534a3 8 uint8_t SD_state = MSD_OK;
jeromecoutant 0:b134be2534a3 9 static uint8_t prev_status = 2;
jeromecoutant 0:b134be2534a3 10
jeromecoutant 0:b134be2534a3 11 printf("\n\n SD EXAMPLE FOR DISCO-F769NI START:\n");
jeromecoutant 0:b134be2534a3 12
jeromecoutant 0:b134be2534a3 13 /* Init LCD and display example information */
jeromecoutant 0:b134be2534a3 14 BSP_LCD_Init();
jeromecoutant 0:b134be2534a3 15 BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS);
jeromecoutant 0:b134be2534a3 16 BSP_LCD_Clear(LCD_COLOR_WHITE);
jeromecoutant 0:b134be2534a3 17 BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
jeromecoutant 0:b134be2534a3 18 BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 40);
jeromecoutant 0:b134be2534a3 19 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
jeromecoutant 0:b134be2534a3 20 BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
jeromecoutant 0:b134be2534a3 21 BSP_LCD_SetFont(&Font24);
jeromecoutant 0:b134be2534a3 22 BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"SD basic example", CENTER_MODE);
jeromecoutant 0:b134be2534a3 23
jeromecoutant 0:b134be2534a3 24 /* SD init */
jeromecoutant 0:b134be2534a3 25 SD_state = BSP_SD_Init();
jeromecoutant 0:b134be2534a3 26 printf("BSP_SD_Init return %d\n", SD_state);
jeromecoutant 0:b134be2534a3 27
jeromecoutant 0:b134be2534a3 28 if (SD_state != MSD_OK) {
jeromecoutant 0:b134be2534a3 29 BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"SD shall be inserted before running test", LEFT_MODE);
jeromecoutant 0:b134be2534a3 30
jeromecoutant 0:b134be2534a3 31 } else {
jeromecoutant 0:b134be2534a3 32 BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"SD Initialization : OK", LEFT_MODE);
jeromecoutant 0:b134be2534a3 33
jeromecoutant 0:b134be2534a3 34 SD_state = BSP_SD_Erase(0, (BLOCKSIZE * 50));
jeromecoutant 0:b134be2534a3 35 /* Wait until SD card is ready to use for new operation */
jeromecoutant 0:b134be2534a3 36 while(BSP_SD_GetCardState() != SD_TRANSFER_OK) {
jeromecoutant 0:b134be2534a3 37 }
jeromecoutant 0:b134be2534a3 38 if (SD_state != MSD_OK) {
jeromecoutant 0:b134be2534a3 39 BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SD ERASE : FAILED.", LEFT_MODE);
jeromecoutant 0:b134be2534a3 40 } else {
jeromecoutant 0:b134be2534a3 41 BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SD ERASE : OK.", LEFT_MODE);
jeromecoutant 0:b134be2534a3 42 }
jeromecoutant 0:b134be2534a3 43 }
jeromecoutant 0:b134be2534a3 44
jeromecoutant 0:b134be2534a3 45 BSP_LCD_DisplayStringAt(20, 250, (uint8_t *)"SD can be inserted or removed now", LEFT_MODE);
jeromecoutant 0:b134be2534a3 46
jeromecoutant 0:b134be2534a3 47 while (1) {
jeromecoutant 0:b134be2534a3 48 if (BSP_SD_IsDetected() != SD_PRESENT) {
jeromecoutant 0:b134be2534a3 49 if(prev_status != SD_NOT_PRESENT) {
jeromecoutant 0:b134be2534a3 50 BSP_SD_Init();
jeromecoutant 0:b134be2534a3 51 prev_status = SD_NOT_PRESENT;
jeromecoutant 0:b134be2534a3 52 BSP_LCD_SetTextColor(LCD_COLOR_RED);
jeromecoutant 0:b134be2534a3 53 BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize() - 30, (uint8_t *)"SD Not Connected", LEFT_MODE);
jeromecoutant 0:b134be2534a3 54 }
jeromecoutant 0:b134be2534a3 55 } else if (prev_status != SD_PRESENT) {
jeromecoutant 0:b134be2534a3 56 BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
jeromecoutant 0:b134be2534a3 57 BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize() - 30, (uint8_t *)"SD Connected ", LEFT_MODE);
jeromecoutant 0:b134be2534a3 58 prev_status = SD_PRESENT;
jeromecoutant 0:b134be2534a3 59 }
jeromecoutant 0:b134be2534a3 60
jeromecoutant 0:b134be2534a3 61 }
jeromecoutant 0:b134be2534a3 62 }