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hc32f460: Add support for hc32f460 micro-controllers

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Signed-off-by: Steven Gotthardt <gotthardt@gmail.com>
This commit is contained in:
Steven Gotthardt
2022-12-18 15:05:51 -07:00
committed by Kevin O'Connor
parent 94cbf5ff48
commit 72b6bd7efa
11 changed files with 928 additions and 0 deletions
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29
src/hc32f460/interrupts.c Normal file
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// Interrupt support for HC32F460
// The library interrupt support is huge and redefines systick
//
// Copyright (C) 2022 Steven Gotthardt <gotthardt@gmail.com>
//
// This file may be distributed under the terms of the GNU GPLv3 license.
#include "hc32f460.h"
#define IRQ_PRIORITY_DEFAULT 15u
/* the interrupts on the hc32f460 can be 're-assigned'
The author can choose the irqType (IRQ000_Handler, etc...)
that the source (irqSrc) triggers
*/
void IrqRegistration(en_int_src_t irqSrc, IRQn_Type irqType)
{
stc_intc_sel_field_t *stcIntSel = (stc_intc_sel_field_t *)
((uint32_t)(&M4_INTC->SEL0) + (4u * irqType));
// what is the source of the selected interrupt? (USART, etc...)
stcIntSel->INTSEL = irqSrc;
// set priority and enable
NVIC_SetPriority(irqType, IRQ_PRIORITY_DEFAULT);
NVIC_ClearPendingIRQ(irqType);
NVIC_EnableIRQ(irqType);
}