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IRQManager: implement callback based method for custom irq handlers #315

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IRQManager: implement callback based method for custom irq handlers #315

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25 changes: 25 additions & 0 deletions cores/arduino/IRQManager.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -939,6 +939,31 @@ bool IRQManager::addPeripheral(Peripheral_t p, void *cfg) {
return rv;
}

/*
The implementer should update the value of last_interrupt once done
eg:

bool config_my_funky_peripheral(unsigned int* last_interrupt, volatile uint32_t *irq_ptr, void* config) {
funky_peripheral_cfg_t* cfg = (funky_peripheral_cfg_t*)config;
*(irq_ptr + *last_interrupt) = (uint32_t)cfg->irq_callback;
cfg->interrupt = *last_interrupt;
// increase the interrupt count
*last_interrupt++;
return true;
}

and then use as:

funky_peripheral_cfg_t funky_cfg;
IRQManager::getInstance().addCustomPeripheral(config_my_funky_peripheral, &funky_cfg);
*/
bool IRQManager::addCustomPeripheral(bool (*cb)(unsigned int* last_interrupt, volatile uint32_t *irq_ptr, void* conf), void* conf) {
volatile uint32_t *irq_ptr = (volatile uint32_t *)SCB->VTOR;
irq_ptr += FIXED_IRQ_NUM;

return cb(&last_interrupt_index, irq_ptr, conf);
}

bool IRQManager::set_adc_end_link_event(int li, int ch){
bool rv = false;
if (0) {}
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2 changes: 2 additions & 0 deletions cores/arduino/IRQManager.h
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Original file line number Diff line number Diff line change
Expand Up @@ -190,6 +190,8 @@ using Irq_f = void (*)(void);
class IRQManager {
public:
bool addPeripheral(Peripheral_t p, void *cfg);
bool addCustomPeripheral(bool (*cb)(unsigned int* last_interrupt, volatile uint32_t *irq_ptr, void* conf), void* conf);

static IRQManager& getInstance();

#ifdef HAS_DMAC
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