void stm32_spi1select(FAR struct spi_dev_s *dev, uint32_t devid, bool selected)
{
spiinfo("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");
#if 0 /* Need to study this */
if (devid == SPIDEV_LCD)
{
/* Set the GPIO low to select and high to de-select */
stm32_gpiowrite(GPIO_LCD_CS, !selected);
}
else
#endif
#ifdef CONFIG_ENC28J60
if (devid == SPIDEV_ETHERNET(0))
{
/* Set the GPIO low to select and high to de-select */
stm32_gpiowrite(GPIO_ENC28J60_CS, !selected);
}
#else
if (devid == SPIDEV_FLASH(0))
{
/* Set the GPIO low to select and high to de-select */
stm32_gpiowrite(GPIO_FLASH_CS, !selected);
}
#endif
}
void stm32_spi1select(FAR struct spi_dev_s *dev, uint32_t devid, bool selected)
{
spiinfo("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");
if (devid == SPIDEV_FLASH(0))
{
/* Set the GPIO low to select and high to de-select */
stm32_gpiowrite(GPIO_FLASH_CS, !selected);
}
}
void pic32mx_spi2select(FAR struct spi_dev_s *dev, uint32_t devid, bool selected)
{
spiinfo("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");
if (devid == SPIDEV_FLASH(0))
{
pic32mx_gpiowrite(GPIO_SST25VF032B_CS, !selected);
}
else if (devid == SPIDEV_MUX(0))
{
pic32mx_gpiowrite(GPIO_PGA117_CS, !selected);
}
}
__EXPORT void stm32_spi2select(FAR struct spi_dev_s *dev, uint32_t devid, bool selected)
{
/* SPI select is active low, so write !selected to select the device */
switch (devid) {
case SPIDEV_FLASH(0):
/* Making sure the other peripherals are not selected */
stm32_gpiowrite(GPIO_SPI2_CS_MS5611, 1);
stm32_gpiowrite(GPIO_SPI2_CS_FRAM, !selected);
break;
case PX4_SPIDEV_BARO:
/* Making sure the other peripherals are not selected */
stm32_gpiowrite(GPIO_SPI2_CS_FRAM, 1);
stm32_gpiowrite(GPIO_SPI2_CS_MS5611, !selected);
break;
default:
break;
}
}
__EXPORT int board_app_initialize(uintptr_t arg)
{
#if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE)
/* run C++ ctors before we go any further */
up_cxxinitialize();
# if defined(CONFIG_EXAMPLES_NSH_CXXINITIALIZE)
# error CONFIG_EXAMPLES_NSH_CXXINITIALIZE Must not be defined! Use CONFIG_HAVE_CXX and CONFIG_HAVE_CXXINITIALIZE.
# endif
#else
# error platform is dependent on c++ both CONFIG_HAVE_CXX and CONFIG_HAVE_CXXINITIALIZE must be defined.
#endif
/* configure the high-resolution time/callout interface */
hrt_init();
param_init();
/* configure the DMA allocator */
if (board_dma_alloc_init() < 0) {
message("DMA alloc FAILED");
}
/* configure CPU load estimation */
#ifdef CONFIG_SCHED_INSTRUMENTATION
cpuload_initialize_once();
#endif
/* set up the serial DMA polling */
static struct hrt_call serial_dma_call;
struct timespec ts;
/*
* Poll at 1ms intervals for received bytes that have not triggered
* a DMA event.
*/
ts.tv_sec = 0;
ts.tv_nsec = 1000000;
hrt_call_every(&serial_dma_call,
ts_to_abstime(&ts),
ts_to_abstime(&ts),
(hrt_callout)stm32_serial_dma_poll,
NULL);
/* initial LED state */
drv_led_start();
led_off(LED_AMBER);
/* Configure SPI-based devices */
spi3 = px4_spibus_initialize(3);
if (!spi3) {
message("[boot] FAILED to initialize SPI port 3\n");
board_autoled_on(LED_AMBER);
return -ENODEV;
}
/* Default SPI3 to 1MHz and de-assert the known chip selects. */
SPI_SETFREQUENCY(spi3, 10000000);
SPI_SETBITS(spi3, 8);
SPI_SETMODE(spi3, SPIDEV_MODE3);
SPI_SELECT(spi3, PX4_SPIDEV_GYRO, false);
SPI_SELECT(spi3, PX4_SPIDEV_ACCEL_MAG, false);
SPI_SELECT(spi3, PX4_SPIDEV_BARO, false);
up_udelay(20);
/* Get the SPI port for the FRAM */
spi4 = px4_spibus_initialize(4);
if (!spi4) {
message("[boot] FAILED to initialize SPI port 4\n");
board_autoled_on(LED_AMBER);
return -ENODEV;
}
/* Default SPI4 to 37.5 MHz (40 MHz rounded to nearest valid divider, F4 max)
* and de-assert the known chip selects. */
// XXX start with 10.4 MHz in FRAM usage and go up to 37.5 once validated
SPI_SETFREQUENCY(spi4, 12 * 1000 * 1000);
SPI_SETBITS(spi4, 8);
SPI_SETMODE(spi4, SPIDEV_MODE3);
SPI_SELECT(spi4, SPIDEV_FLASH(0), false);
return OK;
}
