2020-09-23 06:37 AM
Firstly, I want to say that there is no error on PCB because if I put MCU into standby, consumption is normal - around 5 uA.
I have experience with stop mode on STM32L0, but STM32F1 got to my hand for the first time.
For some reason, I can't achieve designed power consumption - it is always near 1 mA, which is 100 times more than it should be.
Furthermore, it looks that MCU just hangs after it's going to stop mode because I stop receiving interrupts from RTC, which have worked before I added instruction for going to stop.
My MCU is STM32F107VB
#include <stm32f1xx_hal.h>
RTC_HandleTypeDef hrtc;
#ifdef __cplusplus
extern "C"
#endif
void SysTick_Handler(void)
{
HAL_IncTick();
HAL_SYSTICK_IRQHandler();
}
#ifdef __cplusplus
extern "C"
#endif
void RTC_IRQHandler(void)
{
HAL_GPIO_TogglePin(GPIOD, GPIO_PIN_7);
HAL_RTCEx_RTCIRQHandler(&hrtc);
}
void Error_Handler()
{
__asm("bkpt 255");
__asm("bx lr");
}
void display_initGpio(void)
{
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.Pin = GPIO_PIN_3 | GPIO_PIN_5 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_14 | GPIO_PIN_15;
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.Pin = GPIO_PIN_0 | GPIO_PIN_5;
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStructure.Pull = GPIO_PULLUP;
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.Pin = GPIO_PIN_0 | GPIO_PIN_7 | GPIO_PIN_14;
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.Pin = GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6;
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_InitStructure.Pin = GPIO_PIN_9 | GPIO_PIN_10;
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOE, &GPIO_InitStructure);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_3, GPIO_PIN_RESET); // SCK
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_5, GPIO_PIN_RESET); // MOSI
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8, GPIO_PIN_RESET); // A0
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_9, GPIO_PIN_RESET); // LCD_RESET
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_14, GPIO_PIN_RESET); // LCD_PWR
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_15, GPIO_PIN_RESET); // LCD_RESET
HAL_GPIO_WritePin(GPIOD, GPIO_PIN_0, GPIO_PIN_RESET); // CS
HAL_GPIO_WritePin(GPIOD, GPIO_PIN_7, GPIO_PIN_RESET); // LCD_LIGHT
HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14, GPIO_PIN_RESET); // LCD_RWR
}
void rtcInit(void)
{
HAL_PWR_EnableBkUpAccess();
/* Enable BKP CLK enable for backup registers */
__HAL_RCC_BKP_CLK_ENABLE();
/* Peripheral clock enable */
__HAL_RCC_RTC_ENABLE();
/* RTC interrupt Init */
hrtc.Instance = RTC;
hrtc.Init.AsynchPrediv = RTC_AUTO_1_SECOND;
hrtc.Init.OutPut = RTC_OUTPUTSOURCE_NONE;
if (HAL_RTC_Init(&hrtc) != HAL_OK)
{
Error_Handler();
}
HAL_RTCEx_SetSecond_IT(&hrtc);
HAL_NVIC_SetPriority(RTC_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(RTC_IRQn);
}
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
RCC_ClkInitTypeDef RCC_ClkInitStruct = { 0 };
RCC_PeriphCLKInitTypeDef PeriphClkInit = { 0 };
__HAL_RCC_AFIO_CLK_ENABLE();
__HAL_RCC_PWR_CLK_ENABLE();
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.PLL2.PLL2State = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
| RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
{
Error_Handler();
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC;
PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
Error_Handler();
}
/** Configure the Systick interrupt time
*/
__HAL_RCC_PLLI2S_ENABLE();
HAL_NVIC_SetPriority(RCC_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(RCC_IRQn);
}
int main(void)
{
HAL_Init();
SystemClock_Config();
__HAL_AFIO_REMAP_SWJ_NOJTAG();
HAL_PWR_EnableWakeUpPin(PWR_WAKEUP_PIN1);
display_initGpio();
rtcInit();
HAL_Delay(100);
while (1)
{
HAL_SuspendTick();
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
}
}