/**
* @brief Initializes the STM32303E-EVAL RevC's LCD and LEDs resources.
* @param None
* @retval None
*/
static void BSP_Config(void)
{
/* Initialize STM32303E-EVAL RevC's LEDs */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
/* Enable the CRC Module */
__CRC_CLK_ENABLE();
}
/**
* @brief Initializes the STM324xG-EVAL's LCD and LEDs resources.
* @param None
* @retval None
*/
static void BSP_Config(void)
{
/* Initialize STM324xG-EVAL's LEDs */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
/* Initialize the Touch screen */
BSP_TS_Init(240, 320);
/* Enable the CRC Module */
__CRC_CLK_ENABLE();
}
/**
* @brief Initializes the STM32F429I-DISCO's LCD and LEDs resources.
* @param None
* @retval None
*/
static void BSP_Config(void)
{
/* Initialize STM32F429I-DISCO's LEDs */
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
/* Initializes the SDRAM device */
BSP_SDRAM_Init();
/* Initialize the Touch screen */
BSP_TS_Init(240, 320);
/* Enable the CRC Module */
__CRC_CLK_ENABLE();
}
void HAL_CRC_MspInit(CRC_HandleTypeDef* hcrc)
{
if(hcrc->Instance==CRC)
{
/* USER CODE BEGIN CRC_MspInit 0 */
/* USER CODE END CRC_MspInit 0 */
/* Peripheral clock enable */
__CRC_CLK_ENABLE();
/* USER CODE BEGIN CRC_MspInit 1 */
/* USER CODE END CRC_MspInit 1 */
}
}
/**
* @brief Initialize the PDM library.
* @param AudioFreq: Audio sampling frequency
* @param ChnlNbr: Number of audio channels (1: mono; 2: stereo)
* @retval None
*/
static void PDMDecoder_Init(uint32_t AudioFreq, uint32_t ChnlNbr)
{
uint32_t i = 0;
/* Enable CRC peripheral to unlock the PDM library */
__CRC_CLK_ENABLE();
for(i = 0; i < ChnlNbr; i++)
{
/* Filter LP & HP Init */
Filter[i].LP_HZ = AudioFreq / 2;
Filter[i].HP_HZ = 10;
Filter[i].Fs = AudioFreq;
Filter[i].Out_MicChannels = ChnlNbr;
Filter[i].In_MicChannels = ChnlNbr;
PDM_Filter_Init((PDMFilter_InitStruct *)&Filter[i]);
}
}
/**
* @brief Initialize the PDM library.
* @param AudioFreq: Audio sampling frequency
* @param ChnlNbr: Number of audio channels (1: mono; 2: stereo)
* @retval None
*/
static void PDMDecoder_Init(uint32_t AudioFreq, uint32_t ChnlNbr)
{
uint32_t i = 0;
/* Enable CRC peripheral to unlock the PDM library */
__CRC_CLK_ENABLE();
for(i = 0; i < ChnlNbr; i++)
{
/* Filter LP & HP Init */
Filter[i].LP_HZ = AudioFreq / 2;
Filter[i].HP_HZ = 10;
Filter[i].Fs = AudioFreq;
/* On STM32F401-Discovery a single microphone is mounted, samples are duplicated
to make stereo audio streams */
Filter[i].Out_MicChannels = 2;
Filter[i].In_MicChannels = ChnlNbr;
PDM_Filter_Init((PDMFilter_InitStruct *)&Filter[i]);
}
}
/**
* @brief Initializes LEDs, SDRAM, touch screen, CRC and SRAM.
* @param None
* @retval None
*/
void k_BspInit(void)
{
/* Configure LED1, LED2, LED3 and LED4 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
/* Initialize the SDRAM */
BSP_SDRAM_Init();
/* Initialize the Touch screen */
BSP_TS_Init(480, 272);
/* Enable CRC to Unlock GUI */
__CRC_CLK_ENABLE();
/* Enable Back up SRAM */
__BKPSRAM_CLK_ENABLE();
}
/**
* @brief CRC MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* @param hcrc: CRC handle pointer
* @retval None
*/
void HAL_CRC_MspInit(CRC_HandleTypeDef *hcrc)
{
/* CRC Peripheral clock enable */
__CRC_CLK_ENABLE();
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to have a system clock = 180 Mhz */
SystemClock_Config();
/* Init the STemWin GUI Library */
BSP_SDRAM_Init(); /* Initializes the SDRAM device */
__CRC_CLK_ENABLE(); /* Enable the CRC Module */
// __PWR_CLK_ENABLE();
// HAL_PWR_EnableBkUpAccess();
// __HAL_RCC_LSE_CONFIG(RCC_LSE_BYPASS);
// __HAL_RCC_RTC_ENABLE();
/*##-1- Configure the RTC peripheral #######################################*/
RtcHandle.Instance = RTC;
/* Configure RTC prescaler and RTC data registers */
/* RTC configured as follow:
- Hour Format = Format 24
- Asynch Prediv = Value according to source clock
- Synch Prediv = Value according to source clock
- OutPut = Output Disable
- OutPutPolarity = High Polarity
- OutPutType = Open Drain */
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
RtcHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
RtcHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
if(HAL_RTC_Init(&RtcHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/*##-2- Check if Data stored in BackUp register0: No Need to reconfigure RTC#*/
/* Read the BackUp Register 0 Data */
if(HAL_RTCEx_BKUPRead(&RtcHandle, RTC_BKP_DR0) != 0x32F2)
{
/* Configure RTC Calendar */
RTC_CalendarConfig();
}
else
{
/* Check if the Power On Reset flag is set */
if(__HAL_RCC_GET_FLAG(RCC_FLAG_PORRST) != RESET)
{
}
/* Check if Pin Reset flag is set */
if(__HAL_RCC_GET_FLAG(RCC_FLAG_PINRST) != RESET)
{
}
/* Clear Reset Flag */
__HAL_RCC_CLEAR_RESET_FLAGS();
}
GUI_Init();
//GUI_Initialized = 1;
GPIO_Config();
if(HAL_RTCEx_BKUPRead(&RtcHandle, RTC_BKP_DR1) ==0)
{
HAL_RTCEx_BKUPWrite(&RtcHandle,RTC_BKP_DR1,600);
}
Time3Enable(HAL_RTCEx_BKUPRead(&RtcHandle, RTC_BKP_DR1));
/* Activate the use of memory device feature */
WM_SetCreateFlags(WM_CF_MEMDEV);
os_sys_init (init);
}
/**
* @brief CRC MSP Initialization
* @param hcrc: CRC handle pointer
* @retval None
*/
void HAL_CRC_MspInit(CRC_HandleTypeDef *hcrc) {
(void) hcrc; // Avoid compile warning
/* CRC Peripheral clock enable */
__CRC_CLK_ENABLE();
}