Select Git revision
Forked from
card10 / firmware
Source project has a limited visibility.
pmic.c 1.71 KiB
#include <stdio.h>
#include "max32665.h"
#include "gcr_regs.h"
#include "pmic.h"
#include "MAX77650-Arduino-Library.h"
#include "FreeRTOS.h"
#include "task.h"
#include "epicardium.h"
#include "modules.h"
/* Task ID for the pmic handler */
static TaskHandle_t pmic_task_id = NULL;
void pmic_interrupt_callback(void *_)
{
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
if (pmic_task_id != NULL) {
vTaskNotifyGiveFromISR(pmic_task_id, &xHigherPriorityTaskWoken);
portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
}
}
void vPmicTask(void *pvParameters)
{
int count = 0;
portTickType delay = portMAX_DELAY;
pmic_task_id = xTaskGetCurrentTaskHandle();
while (1) {
ulTaskNotifyTake(pdTRUE, delay);
if (count == PMIC_PRESS_SLEEP) {
printf("pmic: Sleep\n"
"[[ Unimplemented ]]\n");
}
if (count == PMIC_PRESS_POWEROFF) {
printf("pmic: Poweroff\n"
"[[ Unimplemented ]]\n");
}
uint8_t int_flag = MAX77650_getINT_GLBL();
if (int_flag & MAX77650_INT_nEN_F) {
/* Button was pressed */
count = 0;
delay = portTICK_PERIOD_MS * 100;
}
if (int_flag & MAX77650_INT_nEN_R) {
/* Button was pressed */
if (count < PMIC_PRESS_SLEEP) {
printf("pmic: Reset\n");
/*
* Give the UART fifo time to clear.
* TODO: Do this properly
*/
for (int i = 0; i < 0x1000000; i++) {
__asm volatile("nop");
}
MXC_GCR->rstr0 = MXC_F_GCR_RSTR0_SYSTEM;
}
count = 0;
delay = portMAX_DELAY;
}
/* TODO: Remove when all interrupts are handled */
if (int_flag & ~(MAX77650_INT_nEN_F | MAX77650_INT_nEN_R)) {
printf("=====> WARNING <=====\n"
"* Unhandled PMIC Interrupt: %x\n",
int_flag);
}
if (delay != portMAX_DELAY) {
count += 1;
}
}
}