uint8_t pic32mx_spi2status(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
{
uint8_t ret = 0;
/* Card detect is pull up on-board. If a low value is sensed then the
* card must be present.
*/
#ifdef PIC32_HAVE_SD
if (devid == SPIDEV_MMCSD)
{
if (!pic32mx_gpioread(GPIO_SD_CD))
{
ret = SPI_STATUS_PRESENT;
/* It seems that a high value indicates the card is write
* protected.
*/
if (pic32mx_gpioread(GPIO_SD_WD))
{
ret |= SPI_STATUS_WRPROTECTED;
}
}
}
#endif
#ifdef PIC32_HAVE_SOIC
if (devid == SPIDEV_FLASH)
{
ret = SPI_STATUS_PRESENT;
/* Write protect is indicated with a low value. */
if (pic32mx_gpioread(GPIO_SOIC_WP))
{
ret |= SPI_STATUS_WRPROTECTED;
}
}
#endif
spivdbg("Returning %d\n", ret);
return ret;
}
uint8_t pic32mx_spi1status(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
{
uint8_t ret = 0;
/* Card detect active low. */
if (devid == SPIDEV_MMCSD)
{
if (!pic32mx_gpioread(GPIO_SD_CD))
{
ret = SPI_STATUS_PRESENT;
/* A high value indicates the the card is write protected. */
if (pic32mx_gpioread(GPIO_SD_WP))
{
ret |= SPI_STATUS_WRPROTECTED;
}
}
}
spidbg("Returning %02x\n", ret);
return ret;
}
uint8_t board_buttons(void)
{
uint8_t ret = 0;
int id;
/* Configure input pins */
for (id = 0; id < NUM_BUTTONS; id++)
{
if (pic32mx_gpioread(g_buttonset[id]))
{
ret |= (1 << id);
}
}
return ret;
}