2024-11-07 17:24:19 +08:00
|
|
|
|
#include "drv_clk.h"
|
|
|
|
|
|
#include "drv_misc.h"
|
|
|
|
|
|
#include "kit_debug.h"
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#define EXTI_Line16 ((uint32_t)0x10000)
|
|
|
|
|
|
#define PWR_FLAG_PVDO ((uint32_t)0x00000004)
|
|
|
|
|
|
#define PWR_CR_PVDE_POS ((uint32_t)0x00000010)
|
|
|
|
|
|
#define PWR_PVDLevel_2V9 ((uint32_t)0x000000E0)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void drv_misc_set_nvic(int8_t irq_channel, uint8_t priority)
|
|
|
|
|
|
{
|
|
|
|
|
|
KIT_ASSERT_PARAM((irq_channel > -15) && (irq_channel < 90) && (priority < 16));
|
|
|
|
|
|
|
|
|
|
|
|
priority = (priority & 0x0F) << 4;
|
|
|
|
|
|
if(irq_channel > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
NVIC->IP[irq_channel] = priority;
|
|
|
|
|
|
/* Enable the Selected IRQ Channels */
|
|
|
|
|
|
NVIC->ISER[irq_channel >> 0x05] = (uint32_t)0x01 << (irq_channel & (uint8_t)0x1F);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
SCB->SHP[((uint32_t)(irq_channel) & 0xF)-4] = priority;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//只复位内核，外围设备状态不变
|
|
|
|
|
|
void drv_misc_reset_core(void)
|
|
|
|
|
|
{
|
|
|
|
|
|
__set_FAULTMASK(1); // 关闭所有中断
|
|
|
|
|
|
SCB->AIRCR = ((0x5FA << SCB_AIRCR_VECTKEY_Pos) |
|
|
|
|
|
|
(SCB->AIRCR & SCB_AIRCR_PRIGROUP_Msk) | /* Keep priority group unchanged */
|
|
|
|
|
|
SCB_AIRCR_SYSRESETREQ_Msk);
|
|
|
|
|
|
__DSB(); /* Ensure completion of memory access */
|
|
|
|
|
|
while(1); /* wait until reset */
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//复位内核及MCU所有外设
|
|
|
|
|
|
void drv_misc_reset_mcu(void)
|
|
|
|
|
|
{
|
|
|
|
|
|
__set_FAULTMASK(1); // 关闭所有中断
|
|
|
|
|
|
NVIC_SystemReset(); // 复位
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
NoArgCall pwr_off_call;
|
|
|
|
|
|
void drv_misc_cfg_pwr_off_interrupt(uint8_t priority, PwrOffVolt volt, NoArgCall int_call)
|
|
|
|
|
|
{
|
|
|
|
|
|
KIT_ASSERT_PARAM(int_call != NULL);
|
|
|
|
|
|
|
|
|
|
|
|
if(int_call != NULL)
|
|
|
|
|
|
{
|
|
|
|
|
|
pwr_off_call = int_call;
|
|
|
|
|
|
drv_misc_set_nvic(PVD_IRQn, priority);
|
|
|
|
|
|
RCC->APB1ENR |= RCC_APB1Periph_PWR;
|
|
|
|
|
|
PWR->CR |= ((volt << 5) | PWR_CR_PVDE_POS);
|
|
|
|
|
|
//clears the pending bits
|
|
|
|
|
|
EXTI->PR |= EXTI_Line16;
|
|
|
|
|
|
EXTI->RTSR |= EXTI_Line16; //上升沿促发，PVDO输出与上下电相反
|
|
|
|
|
|
EXTI->IMR |= EXTI_Line16;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void PVD_IRQHandler(void)
|
|
|
|
|
|
{
|
|
|
|
|
|
EXTI->PR |= EXTI_Line16;
|
|
|
|
|
|
//VDD/VDDA低于由PLS[2:0]选定的PVD阀值
|
|
|
|
|
|
if((PWR->CSR & PWR_FLAG_PVDO) != 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
__disable_irq();
|
|
|
|
|
|
//关闭时钟减小功耗
|
|
|
|
|
|
RCC->APB2ENR = 0;
|
|
|
|
|
|
RCC->APB1ENR = 0;
|
|
|
|
|
|
pwr_off_call();
|
|
|
|
|
|
|
|
|
|
|
|
// KIT_DEBUG_PRINTF("%s\r\n", "Poweroff");
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
2024-11-10 15:28:53 +08:00
|
|
|
|
|
2024-11-07 17:24:19 +08:00
|
|
|
|
#define AIRCR_VECTKEY_MASK ((uint32_t)0x05FA0000)
|
|
|
|
|
|
void drv_mist_set_priority_group(uint16_t pri_group)
|
|
|
|
|
|
{
|
|
|
|
|
|
/* Set the PRIGROUP[10:8] bits according to NVIC_PriorityGroup value */
|
|
|
|
|
|
SCB->AIRCR = AIRCR_VECTKEY_MASK | pri_group;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
