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/*
* Copyright (c) 2022 OpenLuat & AirM2M
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "user.h"
#define __IRQ_IN_RAM__
#ifdef __IRQ_IN_RAM__
#else
#define __FUNC_IN_RAM__
#endif
typedef struct {
void (*Irq_Handler)(int32_t IrqLine, void *pData);
void *pData;
}Irq_Handler_t;
static Irq_Handler_t Irq_Table[IRQ_LINE_MAX + 16 - IRQ_LINE_OFFSET];
static void ISR_DummyHandler(int32_t IrqLine, void *pData)
{
}
void __FUNC_IN_RAM__ ISR_GlobalHandler(void)
{
int IrqLine = ((SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk) >> SCB_ICSR_VECTACTIVE_Pos) - IRQ_LINE_OFFSET;
if (IrqLine < 0 || IrqLine >= IRQ_LINE_MAX)
{
return;
}
rt_interrupt_enter();
if (Irq_Table[IrqLine].Irq_Handler)
{
Irq_Table[IrqLine].Irq_Handler(IrqLine + IRQ_LINE_OFFSET - 16, Irq_Table[IrqLine].pData);
}
rt_interrupt_leave();
}
void ISR_SetHandler(int32_t Irq, void *Handler, void *pData)
{
Irq_Table[Irq + 16 - IRQ_LINE_OFFSET].Irq_Handler = Handler;
Irq_Table[Irq + 16 - IRQ_LINE_OFFSET].pData = pData;
}
void ISR_SetPriority(int32_t Irq, uint32_t PriorityLevel)
{
NVIC_SetPriority(Irq, PriorityLevel);
}
void __FUNC_IN_RAM__ ISR_OnOff(int32_t Irq, uint32_t OnOff)
{
if (OnOff)
{
if (!Irq_Table[Irq + 16 - IRQ_LINE_OFFSET].Irq_Handler)
{
Irq_Table[Irq + 16 - IRQ_LINE_OFFSET].Irq_Handler = ISR_DummyHandler;
}
NVIC_EnableIRQ(Irq);
}
else
{
NVIC_DisableIRQ(Irq);
}
}
void __FUNC_IN_RAM__ ISR_Clear(int32_t Irq)
{
NVIC_ClearPendingIRQ(Irq);
}
uint32_t __FUNC_IN_RAM__ ISR_CheckIn(void)
{
return __get_IPSR();
}
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