int32_t PIOS_TIM_InitChannels(uintptr_t * tim_id, const struct pios_tim_channel * channels, uint8_t num_channels, const struct pios_tim_callbacks * callbacks, uintptr_t context)
{
PIOS_Assert(channels);
PIOS_Assert(num_channels);
struct pios_tim_dev * tim_dev;
tim_dev = (struct pios_tim_dev *) PIOS_TIM_alloc();
if (!tim_dev) goto out_fail;
/* Bind the configuration to the device instance */
tim_dev->channels = channels;
tim_dev->num_channels = num_channels;
tim_dev->callbacks = callbacks;
tim_dev->context = context;
/* Configure the pins */
for (uint8_t i = 0; i < num_channels; i++) {
const struct pios_tim_channel * chan = &(channels[i]);
GPIO_Init(chan->pin.gpio, (GPIO_InitTypeDef*)&chan->pin.init);
PIOS_DEBUG_Assert(chan->remap);
// Second parameter should technically be PinSource but they are numerically the same
GPIO_PinAFConfig(chan->pin.gpio, chan->pin.pin_source,chan->remap);
}
*tim_id = (uintptr_t)tim_dev;
return(0);
out_fail:
return(-1);
}
int32_t PIOS_TIM_InitChannels(uint32_t *tim_id, const struct pios_tim_channel *channels, uint8_t num_channels, const struct pios_tim_callbacks *callbacks, uint32_t context)
{
PIOS_Assert(channels);
PIOS_Assert(num_channels);
struct pios_tim_dev *tim_dev;
tim_dev = (struct pios_tim_dev *)PIOS_TIM_alloc();
if (!tim_dev) {
goto out_fail;
}
/* Bind the configuration to the device instance */
tim_dev->channels = channels;
tim_dev->num_channels = num_channels;
tim_dev->callbacks = callbacks;
tim_dev->context = context;
/* Configure the pins */
for (uint8_t i = 0; i < num_channels; i++) {
const struct pios_tim_channel *chan = &(channels[i]);
/* Enable the peripheral clock for the GPIO */
/* switch ((uint32_t)chan->pin.gpio) {
case (uint32_t) GPIOA:
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
break;
case (uint32_t) GPIOB:
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
break;
case (uint32_t) GPIOC:
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
break;
default:
PIOS_Assert(0);
break;
}
*/ // commented out for now as f4 starts all clocks
GPIO_Init(chan->pin.gpio, &chan->pin.init);
PIOS_DEBUG_Assert(chan->remaP);
// Second parameter should technically be PinSource but they are numerically the same
GPIO_PinAFConfig(chan->pin.gpio, chan->pin.pin_source, chan->remap);
}
*tim_id = (uint32_t)tim_dev;
return 0;
out_fail:
return -1;
}
