/**
* @brief Configure all GPIO's to AN to reduce the power consumption
* @param None
* @retval None
*/
static void GPIO_ConfigAN(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* Configure all GPIO as analog to reduce current consumption on non used IOs */
/* Enable GPIOs clock */
__GPIOA_CLK_ENABLE();
__GPIOB_CLK_ENABLE();
__GPIOC_CLK_ENABLE();
__GPIOD_CLK_ENABLE();
__GPIOE_CLK_ENABLE();
__GPIOF_CLK_ENABLE();
__GPIOG_CLK_ENABLE();
__GPIOH_CLK_ENABLE();
__GPIOI_CLK_ENABLE();
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Pin = GPIO_PIN_All;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* Disable GPIOs clock */
__GPIOA_CLK_DISABLE();
__GPIOB_CLK_DISABLE();
__GPIOC_CLK_DISABLE();
__GPIOD_CLK_DISABLE();
__GPIOE_CLK_DISABLE();
__GPIOF_CLK_DISABLE();
__GPIOG_CLK_DISABLE();
__GPIOH_CLK_DISABLE();
__GPIOI_CLK_DISABLE();
}
/**
* @brief Configure the system for power optimization
*
* @note This API configures the system to be ready for low power mode
* - Unused GPIO in Analog mode
* - Fast Wakeup
* - Verefint disabled in low power mode
* - FLASH in low power mode
*
* @param None
* @retval None
*/
void SystemPower_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/**
* Disable FLASH in SLEEP Mode
*/
__HAL_FLASH_SLEEP_POWERDOWN_ENABLE();
//SO: TO BE VERIFIED FOR L4
/* Enable Power Clock */
__HAL_RCC_PWR_CLK_ENABLE();
/**
* Enable Ultra low power and Fast wakeup as vrefint is not used in that project
*/
//SO: TO BE VERIFIED FOR L4 (these APIs are not available for L4)
//HAL_PWREx_EnableUltraLowPower();
//HAL_PWREx_EnableFastWakeUp();
/*
* Select HSI as system clock source after Wake Up from Stop mode
*/
//__HAL_RCC_WAKEUPSTOP_CLK_CONFIG(RCC_StopWakeUpClock_MSI); //SO: TO BE VERIFIED FOR L4 (why not this?)
__HAL_RCC_WAKEUPSTOP_CLK_CONFIG(RCC_StopWakeUpClock_HSI);
/*
* Disable all GPIOs clock in SLEEP mode
*/
#if (JTAG_SUPPORTED == 0)
__GPIOA_CLK_SLEEP_DISABLE();
#endif
__GPIOB_CLK_SLEEP_DISABLE();
__GPIOC_CLK_SLEEP_DISABLE();
__GPIOD_CLK_SLEEP_DISABLE();
__GPIOE_CLK_SLEEP_DISABLE(); //SO: TO BE VERIFIED FOR L4
__GPIOF_CLK_SLEEP_DISABLE(); //SO: TO BE VERIFIED FOR L4
__GPIOG_CLK_SLEEP_DISABLE(); //SO: TO BE VERIFIED FOR L4
__GPIOH_CLK_SLEEP_DISABLE();
/*
* Enable GPIOs clock
*/
__GPIOA_CLK_ENABLE();
__GPIOB_CLK_ENABLE();
__GPIOC_CLK_ENABLE();
__GPIOD_CLK_ENABLE();
__GPIOE_CLK_ENABLE(); //SO: TO BE VERIFIED FOR L4
__GPIOF_CLK_ENABLE(); //SO: TO BE VERIFIED FOR L4
__GPIOG_CLK_ENABLE(); //SO: TO BE VERIFIED FOR L4
__GPIOH_CLK_ENABLE();
/*
* Configure all GPIO port pins in Analog mode with no pull
*/
GPIO_InitStructure.Mode = GPIO_MODE_ANALOG;
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; //SO: TO BE VERIFIED FOR L4
GPIO_InitStructure.Pull = GPIO_NOPULL;
GPIO_InitStructure.Pin = GPIO_PIN_All;
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
HAL_GPIO_Init(GPIOE, &GPIO_InitStructure); //SO: TO BE VERIFIED FOR L4
HAL_GPIO_Init(GPIOF, &GPIO_InitStructure); //SO: TO BE VERIFIED FOR L4
HAL_GPIO_Init(GPIOG, &GPIO_InitStructure); //SO: TO BE VERIFIED FOR L4
HAL_GPIO_Init(GPIOH, &GPIO_InitStructure);
#if (JTAG_SUPPORTED == 1)
GPIO_InitStructure.Pin = (GPIO_PIN_All ^ (GPIO_PIN_13 | GPIO_PIN_14));
#endif
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
/*
* Disable GPIOs clock
*/
__GPIOA_CLK_DISABLE();
__GPIOB_CLK_DISABLE();
__GPIOC_CLK_DISABLE();
__GPIOD_CLK_DISABLE();
__GPIOE_CLK_DISABLE(); //SO: TO BE VERIFIED FOR L4
__GPIOF_CLK_DISABLE(); //SO: TO BE VERIFIED FOR L4
__GPIOG_CLK_DISABLE(); //SO: TO BE VERIFIED FOR L4
__GPIOH_CLK_DISABLE();
return;
}
void GPIO_Clock_Put(GPIO_ClockProviderTypeDef* clk, GPIO_TypeDef* gpiox, uint32_t Pin)
{
int index;
uint16_t prev, curr;
if (gpiox == GPIOA)
{
index = 0;
}
else if (gpiox == GPIOB)
{
index = 1;
}
else if (gpiox == GPIOC)
{
index = 2;
}
else if (gpiox == GPIOD)
{
index = 3;
}
else if (gpiox == GPIOE)
{
index = 4;
}
else if (gpiox == GPIOF)
{
index = 5;
}
else if (gpiox == GPIOG)
{
index = 6;
}
else if (gpiox == GPIOH)
{
index = 7;
}
else
{
return;
}
prev = clk->bits[index];
curr = (clk->bits[index] &= ~Pin);
if (prev != 0 && curr == 0)
{
switch (index)
{
case 0:
__GPIOA_CLK_DISABLE();
break;
case 1:
__GPIOB_CLK_DISABLE();
break;
case 2:
__GPIOC_CLK_DISABLE();
break;
case 3:
__GPIOD_CLK_DISABLE();
break;
case 4:
__GPIOE_CLK_DISABLE();
break;
case 5:
__GPIOF_CLK_DISABLE();
break;
case 6:
__GPIOG_CLK_DISABLE();
break;
case 7:
__GPIOH_CLK_DISABLE();
break;
default:
break;
}
}
}
