bms/Application/bsp/mcu_power_sleep.c

#include "mcu_power_sleep.h"
#include "bsp/ml5238.h"
#include "bsp/cs1180.h"
#include "bsp/gpio.h"
#include "bsp/spi.h"
#include "bsp/uart.h"
#include "bsp/i2c.h"

extern void system_clock_24m_irc8m(void);
extern void system_clock_config(void);

static void enable_wakeup_irq(void){
	charger_detect_irq_enable(1);
	hall_1_detect_irq_enable(1);
	hall_2_detect_irq_enable(1);
}

static void disable_wakeup_irq(void){
	charger_detect_irq_enable(0);
	hall_1_detect_irq_enable(0);
	hall_2_detect_irq_enable(0);
}


static void pre_deepsleep(void){
#if (CONFIG_BOARD_TYPE==SHARK_BOARD_SP700)
	UART0_IR_EN(0);
	UART1_IR_EN(0);
#elif (CONFIG_BOARD_TYPE==SHARK_BOARD_SP600)
	RS485_PWR_ENABLE(0);
#endif
	CS1180_PWR_ENABLE(0);
	shark_uart_deinit(SHARK_UART0);
	shark_uart_deinit(SHARK_UART1);
	//gd32_i2c_deinit();
	UART0_IR_EN(0);
	UART0_IR_EN(0);	
	ml5238_power_save(1); //call, before spi0_deinit
	spi0_deinit();
	spi1_deinit();
	gd32_i2c_deinit(0);
	system_clock_24m_irc8m();//before dcdc off, should set clock to 24M, avoid ml5238's supply is not enough
	DCDC_VOL_OPEN(0);
	wdog_start(10);
}

static void post_deepsleep(void){
	DCDC_VOL_OPEN(1);
	SystemInit();
	system_clock_config();
	spi0_init();
	ml5238_power_save(0);
	CS1180_PWR_ENABLE(1);
	cs1180_adc_init();
#if (CONFIG_BOARD_TYPE==SHARK_BOARD_SP700)
	UART0_IR_EN(1);
	UART1_IR_EN(1);
#elif (CONFIG_BOARD_TYPE==SHARK_BOARD_SP600)
	RS485_PWR_ENABLE(1);
#endif
	shark_uart_init(SHARK_UART0);
	shark_uart_init(SHARK_UART1);

	gd32_i2c_init(0, 100* 1000);
	wdog_start(4);
}

void mcu_enter_deepsleep(void){

	pre_deepsleep();
	enable_wakeup_irq();
	pmu_to_deepsleepmode(PMU_LDO_LOWPOWER, WFI_CMD);
	disable_wakeup_irq();
	post_deepsleep();
}