#include "dma_interrupts.h"

#include <stdint.h>
#include <stddef.h>

user_handler_t DMA_1_USER_HANDLERS[8];
user_args_t DMA_1_USER_ARGS[8];

user_handler_t DMA_2_USER_HANDLERS[8];
user_args_t DMA_2_USER_ARGS[8];

void assign_dma_user_handler(DMAIndexes dma_idx, DMAStreams stream_idx,
        user_handler_t user_handler, user_args_t user_args) {
    if(dma_idx == DMA_1) {
        DMA_1_USER_HANDLERS[stream_idx] = user_handler;
        DMA_1_USER_ARGS[stream_idx] = user_args;
    }
    else if(dma_idx == DMA_2) {
        DMA_2_USER_HANDLERS[stream_idx] = user_handler;
        DMA_2_USER_ARGS[stream_idx] = user_args;
    }
}

// The interrupt handlers in the format required for the IRQ vector table

/* Do not change these function names! They need to be exactly equal to the name of the functions
defined in the startup_stm32h743xx.s files! */

#define GENERIC_DMA_IRQ_HANDLER(DMA_IDX, STREAM_IDX) \
    if(DMA_##DMA_IDX##_USER_HANDLERS[STREAM_IDX] != NULL) { \
        DMA_##DMA_IDX##_USER_HANDLERS[STREAM_IDX](DMA_##DMA_IDX##_USER_ARGS[STREAM_IDX]); \
        return; \
    } \
    Default_Handler() \

void DMA1_Stream0_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(1, 0);
}
void DMA1_Stream1_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(1, 1);
}
void DMA1_Stream2_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(1, 2);
}
void DMA1_Stream3_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(1, 3);
}
void DMA1_Stream4_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(1, 4);
}
void DMA1_Stream5_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(1, 5);
}
void DMA1_Stream6_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(1, 6);
}
void DMA1_Stream7_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(1, 7);
}

void DMA2_Stream0_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(2, 0);
}
void DMA2_Stream1_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(2, 1);
}
void DMA2_Stream2_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(2, 2);
}
void DMA2_Stream3_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(2, 3);
}
void DMA2_Stream4_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(2, 4);
}
void DMA2_Stream5_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(2, 5);
}
void DMA2_Stream6_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(2, 6);
}
void DMA2_Stream7_IRQHandler() {
    GENERIC_DMA_IRQ_HANDLER(2, 7);
}