//-----------------------------------------------------------------------------
void irq_handler_tc1(void)
{
if (TC1->COUNT16.INTFLAG.reg & TC_INTFLAG_MC(1))
{
HAL_GPIO_LED_toggle();
TC1->COUNT16.INTFLAG.reg = TC_INTFLAG_MC(1);
}
}
/*************************************************************************//**
*****************************************************************************/
void SYSTIMER_OVF_Vect(void)
{
if(SYSTIMER.INTFLAG.reg & TC_INTFLAG_MC(0))
{
halTimerIrqCount++;
SYSTIMER.INTFLAG.reg = TC_INTFLAG_MC(0);
}
else
{
halTimerDelayInt = 1;
SYSTIMER.INTFLAG.reg = TC_INTFLAG_MC(1);
}
}
static inline void tc_clear_interrupt(
struct tc_module *const module,
const enum tc_callback callback_type)
{
/* Sanity check arguments */
MBED_ASSERT(module);
/* Clear interrupt flags */
if (callback_type == TC_CALLBACK_CC_CHANNEL0) {
module->hw->COUNT8.INTENCLR.reg = TC_INTFLAG_MC(1);
} else if (callback_type == TC_CALLBACK_CC_CHANNEL1) {
module->hw->COUNT8.INTENCLR.reg = TC_INTFLAG_MC(2);
} else {
module->hw->COUNT8.INTENCLR.reg = (1 << callback_type);
}
}
/**
* \internal Interrupt Handler for TC module
*
* Handles interrupts as they occur, it will run the callback functions
* that are registered and enabled.
*
* \param[in] instance ID of the TC instance calling the interrupt
* handler
*/
void _tc_interrupt_handler(
uint8_t instance)
{
/* Temporary variable */
uint8_t interrupt_and_callback_status_mask;
/* Get device instance from the look-up table */
struct tc_module *module
= (struct tc_module *)_tc_instances[instance];
/* Read and mask interrupt flag register */
interrupt_and_callback_status_mask = module->hw->COUNT8.INTFLAG.reg &
module->register_callback_mask &
module->enable_callback_mask;
/* Check if an Overflow interrupt has occurred */
if (interrupt_and_callback_status_mask & TC_INTFLAG_OVF) {
/* Invoke registered and enabled callback function */
(module->callback[TC_CALLBACK_OVERFLOW])(module);
/* Clear interrupt flag */
module->hw->COUNT8.INTFLAG.reg = TC_INTFLAG_OVF;
}
/* Check if an Error interrupt has occurred */
if (interrupt_and_callback_status_mask & TC_INTFLAG_ERR) {
/* Invoke registered and enabled callback function */
(module->callback[TC_CALLBACK_ERROR])(module);
/* Clear interrupt flag */
module->hw->COUNT8.INTFLAG.reg = TC_INTFLAG_ERR;
}
/* Check if an Match/Capture Channel 0 interrupt has occurred */
if (interrupt_and_callback_status_mask & TC_INTFLAG_MC(1)) {
/* Invoke registered and enabled callback function */
(module->callback[TC_CALLBACK_CC_CHANNEL0])(module);
/* Clear interrupt flag */
module->hw->COUNT8.INTFLAG.reg = TC_INTFLAG_MC(1);
}
/* Check if an Match/Capture Channel 1 interrupt has occurred */
if (interrupt_and_callback_status_mask & TC_INTFLAG_MC(2)) {
/* Invoke registered and enabled callback function */
(module->callback[TC_CALLBACK_CC_CHANNEL1])(module);
/* Clear interrupt flag */
module->hw->COUNT8.INTFLAG.reg = TC_INTFLAG_MC(2);
}
}
/**
* \brief Registers a callback.
*
* Registers a callback function which is implemented by the user.
*
* \note The callback must be enabled by \ref tc_enable_callback,
* in order for the interrupt handler to call it when the conditions for the
* callback type is met.
*
* \param[in] module Pointer to TC software instance struct
* \param[in] callback_func Pointer to callback function
* \param[in] callback_type Callback type given by an enum
*/
enum status_code tc_register_callback(
struct tc_module *const module,
tc_callback_t callback_func,
const enum tc_callback callback_type)
{
/* Sanity check arguments */
Assert(module);
Assert(callback_func);
/* Register callback function */
module->callback[callback_type] = callback_func;
/* Set the bit corresponding to the callback_type */
if (callback_type == TC_CALLBACK_CC_CHANNEL0) {
module->register_callback_mask |= TC_INTFLAG_MC(1);
}
else if (callback_type == TC_CALLBACK_CC_CHANNEL1) {
module->register_callback_mask |= TC_INTFLAG_MC(2);
}
else {
module->register_callback_mask |= (1 << callback_type);
}
return STATUS_OK;
}