8b077d287c
1.Add the general part bsp of ch32 (including system clock, software interrupts, interrupt controllers, etc.). Supports V00X/V10X/V20X/V30X (Although the V00X series is supported, the sram of the chip is too small and it is not recommended for use).
119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/**
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* @copyright (c) 2025, MacRsh
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*
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* @license SPDX-License-Identifier: Apache-2.0
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*
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* @date 2025-06-11 MacRsh First version
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*/
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#include <board/mr_board.h>
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#include <mr_x.h>
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#if defined(MR_USE_IRQ)
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static void irq_priority_set(mr_uint32_t irq, mr_uint8_t priority, void *param);
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static void irq_type_set(mr_uint32_t irq, mr_uint8_t type, void *param);
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static void irq_enable(mr_uint32_t irq, void *param);
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static void irq_unmask(mr_uint32_t irq, void *param);
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static void irq_disable(mr_uint32_t irq, void *param);
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static void irq_mask(mr_uint32_t irq, void *param);
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static mr_irq_ops_t __ops = {.priority_set = irq_priority_set,
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.type_set = irq_type_set,
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.enable = irq_enable,
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.unmask = irq_unmask,
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.disable = irq_disable,
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.mask = irq_mask};
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static mr_irq_t __irq;
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#if defined(MR_USE_IRQ_DEFER_HOOK)
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static void irq_defer_hook_suspend(void *param);
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static void irq_defer_hook_wakeup(void *param);
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static mr_irq_defer_hook_t __hook
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= {.suspend = irq_defer_hook_suspend, .wakeup = irq_defer_hook_wakeup};
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#endif /* defined(MR_USE_IRQ_DEFER_HOOK) */
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#if defined(MR_USE_IRQ)
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static void irq_priority_set(mr_uint32_t irq, mr_uint8_t priority,
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void *param) {
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MR_UNUSED(param);
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/* Set irq priority */
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NVIC_SetPriority((IRQn_Type)irq, priority);
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}
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static void irq_type_set(mr_uint32_t irq, mr_uint8_t type, void *param) {
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MR_UNUSED(irq);
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MR_UNUSED(type);
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MR_UNUSED(param);
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}
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static void irq_enable(mr_uint32_t irq, void *param) {
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MR_UNUSED(param);
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/* Enable irq */
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NVIC_EnableIRQ((IRQn_Type)irq);
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}
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static void irq_unmask(mr_uint32_t irq, void *param) {
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MR_UNUSED(irq);
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MR_UNUSED(param);
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}
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static void irq_disable(mr_uint32_t irq, void *param) {
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MR_UNUSED(param);
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/* Disable irq */
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NVIC_DisableIRQ((IRQn_Type)irq);
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}
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static void irq_mask(mr_uint32_t irq, void *param) {
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MR_UNUSED(irq);
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MR_UNUSED(param);
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}
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#endif /* defined(MR_USE_IRQ) */
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#if defined(MR_USE_IRQ_DEFER_HOOK)
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static void irq_defer_hook_suspend(void *param) {
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MR_UNUSED(param);
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/* Clear soft irq */
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SysTick->CTLR &= ~(1 << 31);
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}
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static void irq_defer_hook_wakeup(void *param) {
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MR_UNUSED(param);
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/* Trigger soft irq */
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SysTick->CTLR |= (1 << 31);
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}
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void SW_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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void SW_Handler(void) {
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mr_irq_defer_execute();
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}
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#endif /* defined(MR_USE_IRQ_DEFER_HOOK) */
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void mr_board_irq_init(void) {
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mr_err_t ret;
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#if (MR_CFG_WCH_IRQ_END == MR_CFG_IRQ_TABLE_SIZE)
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#error "IRQ size exceed IRQ table, adjust 'MR_CFG_WCH_IRQ_END'"
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#endif /* (MR_CFG_WCH_IRQ_END == MR_CFG_IRQ_TABLE_SIZE) */
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/* Init irq */
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ret = mr_irq_init(&__irq, MR_CFG_WCH_IRQ_BEGIN, MR_CFG_WCH_IRQ_END, &__ops,
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MR_NULL);
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if (ret != 0) {
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MR_ASSERT(ret == 0);
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return;
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}
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#if defined(MR_USE_IRQ_DEFER_HOOK)
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/* Init irq defer hook */
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mr_irq_defer_hook_set(&__hook);
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/* Init NVIC */
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NVIC_SetPriority(Software_IRQn, MR_CFG_WCH_IRQ_DEFER_PRIORITY);
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NVIC_EnableIRQ(Software_IRQn);
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#endif /* defined(MR_USE_IRQ_DEFER_HOOK) */
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}
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MR_INIT_EXPORT(mr_board_irq_init, MR_INIT_LEVEL_IRQ);
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#endif /* defined(MR_USE_IRQ) */
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