STR912 SPI port
hi everyone
Does anyone already put SPI port of str912 working over FreeRTOS?
I’m getting a crash when i try to use 91x_ssp libraries from ST.
Every hint are wellcome
Thank to all
STR912 SPI port
Hi,
Yes, i m using the SPI port under FreeRTOS, to access to a SD card, through EFSL lib, no problem, it’s working
Here, my init code, if can help you :
Regards.
Damien.
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#define PULS_SD_CARD_SSP_PORT SSP0
#define PULS_SD_CARD_SPEED_INIT_KBITPERSEC 380
u8 HAL_InitialiseSPP(void)
{
u8 SSP_ClockRate = 0;
u8 SSP_ClockPrescaler = 0;
SSP_InitTypeDef InitSSP;
/* disable the CS of the SD Card (should be already the case, but to be sure) */
HAL_DisableSDCardChipSelect ();
/* Add clock on SSP port */
if (PULS_SD_CARD_SSP_PORT == SSP0)
{
SCU_APBPeriphClockConfig (__SSP0, ENABLE);
}
if (PULS_SD_CARD_SSP_PORT == SSP1)
{
SCU_APBPeriphClockConfig (__SSP1, ENABLE);
}
/* reset the SSP port */
SSP_StructInit (&InitSSP);
SSP_DeInit (PULS_SD_CARD_SSP_PORT);
/* Configure the port */
InitSSP.SSP_FrameFormat = SSP_FrameFormat_Motorola;
InitSSP.SSP_Mode = SSP_Mode_Master;
InitSSP.SSP_CPOL = SSP_CPOL_Low;
InitSSP.SSP_CPHA = SSP_CPHA_1Edge;
InitSSP.SSP_DataSize = SSP_DataSize_8b;
InitSSP.SSP_SlaveOutput = SSP_SlaveOutput_Disable;
InitSSP.SSP_ClockRate = SSP_ClockRate;
InitSSP.SSP_ClockPrescaler = SSP_ClockPrescaler;
HAL_SetSSPClockSpeed (PULS_SD_CARD_SPEED_INIT_KBITPERSEC);
/* Init and enable the SSP port */
SSP_Init (PULS_SD_CARD_SSP_PORT,&InitSSP);
SSP_Cmd (PULS_SD_CARD_SSP_PORT,ENABLE);
return (0);
}