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Adding Generic Interrupt function to IRQManager #316

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Merged
merged 2 commits into from
May 15, 2024
Merged

Adding Generic Interrupt function to IRQManager #316

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6f6c902
added generic interrupt
delta-G May 14, 2024
4af8b7f
added check for last_interrupt_index against PROG_IRQ_NUM
delta-G May 14, 2024
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22 changes: 22 additions & 0 deletions cores/arduino/IRQManager.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,28 @@ IRQManager& IRQManager::getInstance() {
return instance;
}

bool IRQManager::addGenericInterrupt(GenericIrqCfg_t &cfg, Irq_f fnc /*= nullptr*/){
/* getting the address of the current location of the irq vector table */
volatile uint32_t *irq_ptr = (volatile uint32_t *)SCB->VTOR;
/* set the displacement to the "programmable" part of the table */
irq_ptr += FIXED_IRQ_NUM;
bool rv = false;

if((cfg.irq == FSP_INVALID_VECTOR) && (last_interrupt_index < PROG_IRQ_NUM)) {
if(fnc != nullptr){
R_ICU->IELSR[last_interrupt_index] = cfg.event;
*(irq_ptr + last_interrupt_index) = (uint32_t)fnc;
R_BSP_IrqDisable((IRQn_Type)last_interrupt_index);
R_BSP_IrqStatusClear((IRQn_Type)last_interrupt_index);
NVIC_SetPriority((IRQn_Type)last_interrupt_index, cfg.ipl);
R_BSP_IrqEnable ((IRQn_Type)last_interrupt_index);
cfg.irq = (IRQn_Type)last_interrupt_index;
last_interrupt_index++;
rv = true;
}
}
return rv;
}

bool IRQManager::addADCScanEnd(ADC_Container *adc, Irq_f fnc /*= nullptr*/) {
/* getting the address of the current location of the irq vector table */
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8 changes: 7 additions & 1 deletion cores/arduino/IRQManager.h
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,11 @@ typedef struct timer {
agt_extended_cfg_t *agt_ext_cfg;
} TimerIrqCfg_t;

typedef struct genericIrq {
IRQn_Type irq;
uint8_t ipl;
elc_event_t event;
} GenericIrqCfg_t;


#ifdef __cplusplus
Expand Down Expand Up @@ -199,7 +204,8 @@ class IRQManager {
it returns true if the interrupt is correctly added */
bool addDMA(dmac_extended_cfg_t &cfg, Irq_f fnc = nullptr);
#endif


bool addGenericInterrupt(GenericIrqCfg_t &cfg, Irq_f fnc = nullptr);
bool addTimerOverflow(TimerIrqCfg_t &cfg, Irq_f fnc = nullptr);
bool addTimerUnderflow(TimerIrqCfg_t &cfg, Irq_f fnc = nullptr);
bool addTimerCompareCaptureA(TimerIrqCfg_t &cfg, Irq_f fnc = nullptr);
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