int init() {
// unselect all SPI devices first
SDCARD_Unselect();
ST7735_Unselect();
// initialize SD-card as fast as possible, it glitches otherwise
// (this is important only if SPI bus is shared by multiple devices)
int code = SDCARD_Init();
if(code < 0) {
UART_Printf("SDCARD_Init() failed, code = %d\r\n", code);
return -1;
}
ST7735_Init();
ST7735_FillScreen(ST7735_BLACK);
// mount the default drive
FRESULT res = f_mount(&fs, "", 0);
if(res != FR_OK) {
UART_Printf("f_mount() failed, res = %d\r\n", res);
return -2;
}
UART_Printf("f_mount() done!\r\n");
return 0;
}
static void init()
{
static bool initialised = false;
if (!initialised)
{
SDCARD_Init();
initialised = true;
}
}
