ST / Mbed OS DISCO-F769NI_SD_demo

SD basic example for DISCO-F769NI

Dependencies:   BSP_DISCO_F769NI

main.cpp@2:4c7f351406d3, 2019-11-15 (annotated)

Committer:
Jerome Coutant
Date:
Fri Nov 15 17:23:50 2019 +0100
Revision:
2:4c7f351406d3
Parent:
0:b134be2534a3 
Update with STM32Cube_FW_F7_V1.15.0

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_lcd.h"
jeromecoutant 0:b134be2534a3 3 #include "stm32f769i_discovery_sd.h"
jeromecoutant 0:b134be2534a3 4
jeromecoutant 0:b134be2534a3 5 int main()
jeromecoutant 0:b134be2534a3 6 {
jeromecoutant 0:b134be2534a3 7 uint8_t SD_state = MSD_OK;
jeromecoutant 0:b134be2534a3 8 static uint8_t prev_status = 2;
jeromecoutant 0:b134be2534a3 9
jeromecoutant 0:b134be2534a3 10 printf("\n\n SD EXAMPLE FOR DISCO-F769NI START:\n");
jeromecoutant 0:b134be2534a3 11
jeromecoutant 0:b134be2534a3 12 /* Init LCD and display example information */
jeromecoutant 0:b134be2534a3 13 BSP_LCD_Init();
jeromecoutant 0:b134be2534a3 14 BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS);
jeromecoutant 0:b134be2534a3 15 BSP_LCD_Clear(LCD_COLOR_WHITE);
jeromecoutant 0:b134be2534a3 16 BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
jeromecoutant 0:b134be2534a3 17 BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 40);
jeromecoutant 0:b134be2534a3 18 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
jeromecoutant 0:b134be2534a3 19 BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
jeromecoutant 0:b134be2534a3 20 BSP_LCD_SetFont(&Font24);
jeromecoutant 0:b134be2534a3 21 BSP_LCD_DisplayStringAt(0, 0, (uint8_t *)"SD basic example", CENTER_MODE);
jeromecoutant 0:b134be2534a3 22
jeromecoutant 0:b134be2534a3 23 /* SD init */
jeromecoutant 0:b134be2534a3 24 SD_state = BSP_SD_Init();
jeromecoutant 0:b134be2534a3 25 printf("BSP_SD_Init return %d\n", SD_state);
jeromecoutant 0:b134be2534a3 26
jeromecoutant 0:b134be2534a3 27 if (SD_state != MSD_OK) {
jeromecoutant 0:b134be2534a3 28 BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"SD shall be inserted before running test", LEFT_MODE);
jeromecoutant 0:b134be2534a3 29
jeromecoutant 0:b134be2534a3 30 } else {
jeromecoutant 0:b134be2534a3 31 BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"SD Initialization : OK", LEFT_MODE);
jeromecoutant 0:b134be2534a3 32
jeromecoutant 0:b134be2534a3 33 SD_state = BSP_SD_Erase(0, (BLOCKSIZE * 50));
jeromecoutant 0:b134be2534a3 34 /* Wait until SD card is ready to use for new operation */
Jerome Coutant 2:4c7f351406d3 35 while (BSP_SD_GetCardState() != SD_TRANSFER_OK) {
jeromecoutant 0:b134be2534a3 36 }
jeromecoutant 0:b134be2534a3 37 if (SD_state != MSD_OK) {
jeromecoutant 0:b134be2534a3 38 BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SD ERASE : FAILED.", LEFT_MODE);
jeromecoutant 0:b134be2534a3 39 } else {
jeromecoutant 0:b134be2534a3 40 BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SD ERASE : OK.", LEFT_MODE);
jeromecoutant 0:b134be2534a3 41 }
jeromecoutant 0:b134be2534a3 42 }
jeromecoutant 0:b134be2534a3 43
jeromecoutant 0:b134be2534a3 44 BSP_LCD_DisplayStringAt(20, 250, (uint8_t *)"SD can be inserted or removed now", LEFT_MODE);
jeromecoutant 0:b134be2534a3 45
jeromecoutant 0:b134be2534a3 46 while (1) {
jeromecoutant 0:b134be2534a3 47 if (BSP_SD_IsDetected() != SD_PRESENT) {
Jerome Coutant 2:4c7f351406d3 48 if (prev_status != SD_NOT_PRESENT) {
jeromecoutant 0:b134be2534a3 49 BSP_SD_Init();
jeromecoutant 0:b134be2534a3 50 prev_status = SD_NOT_PRESENT;
jeromecoutant 0:b134be2534a3 51 BSP_LCD_SetTextColor(LCD_COLOR_RED);
jeromecoutant 0:b134be2534a3 52 BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize() - 30, (uint8_t *)"SD Not Connected", LEFT_MODE);
jeromecoutant 0:b134be2534a3 53 }
jeromecoutant 0:b134be2534a3 54 } else if (prev_status != SD_PRESENT) {
jeromecoutant 0:b134be2534a3 55 BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
Jerome Coutant 2:4c7f351406d3 56 BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize() - 30, (uint8_t *)"SD Connected ", LEFT_MODE);
jeromecoutant 0:b134be2534a3 57 prev_status = SD_PRESENT;
jeromecoutant 0:b134be2534a3 58 }
jeromecoutant 0:b134be2534a3 59
jeromecoutant 0:b134be2534a3 60 }
jeromecoutant 0:b134be2534a3 61 }