static int nsh_sdinitialize(void)
{
FAR struct spi_dev_s *spi;
int ret;
/* Get the SPI port */
spi = pic32mx_spibus_initialize(CONFIG_NSH_MMCSDSPIPORTNO);
if (!spi)
{
syslog(LOG_ERR, "ERROR: Failed to initialize SPI port %d\n",
CONFIG_NSH_MMCSDSPIPORTNO);
ret = -ENODEV;
goto errout;
}
syslog(LOG_INFO, "Successfully initialized SPI port %d\n",
CONFIG_NSH_MMCSDSPIPORTNO);
/* The SPI should be in 8-bit (default) and mode2: CKP=1, CKE=0.
* The MMC/SD driver will control the SPI frequency. WARNING:
* this is not the right way to do this... this should be done
* the MMC/SD driver: Other device on SPI1 may need other mode
* settings.
*/
SPI_SETMODE(spi, SPIDEV_MODE2);
/* Bind the SPI port to the slot */
ret = mmcsd_spislotinitialize(CONFIG_NSH_MMCSDMINOR,
CONFIG_NSH_MMCSDSLOTNO, spi);
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
CONFIG_NSH_MMCSDSPIPORTNO,
CONFIG_NSH_MMCSDSLOTNO, ret);
goto errout;
}
syslog(LOG_INFO,
"Successfully bound SPI port %d to MMC/SD slot %d\n",
CONFIG_NSH_MMCSDSPIPORTNO,
CONFIG_NSH_MMCSDSLOTNO);
return OK;
errout:
return ret;
}
static int nsh_sdinitialize(void)
{
FAR struct spi_dev_s *spi;
int ret;
/* Get the SPI port */
spi = pic32mx_spibus_initialize(CONFIG_NSH_MMCSDSPIPORTNO);
if (!spi)
{
syslog(LOG_ERR, "ERROR: Failed to initialize SPI port %d\n",
CONFIG_NSH_MMCSDSPIPORTNO);
ret = -ENODEV;
goto errout;
}
syslog(LOG_INFO, "Successfully initialized SPI port %d\n",
CONFIG_NSH_MMCSDSPIPORTNO);
/* Bind the SPI port to the slot */
ret = mmcsd_spislotinitialize(CONFIG_NSH_MMCSDMINOR,
CONFIG_NSH_MMCSDSLOTNO, spi);
if (ret < 0)
{
syslog(LOG_ERR,
"ERROR: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
CONFIG_NSH_MMCSDSPIPORTNO,
CONFIG_NSH_MMCSDSLOTNO, ret);
goto errout;
}
syslog(LOG_INFO, "Successfuly bound SPI port %d to MMC/SD slot %d\n",
CONFIG_NSH_MMCSDSPIPORTNO,
CONFIG_NSH_MMCSDSLOTNO);
return OK;
errout:
return ret;
}
