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/* ... */
#include "main.h"
Includes
TIM_HandleTypeDef hTimLed;
TIM_OC_InitTypeDef sConfigLed;
__IO uint32_t PressCount = 1;
__IO uint32_t PauseResumeStatus = IDLE_STATUS;
/* ... */
__IO uint32_t RepeatState = REPEAT_ON;
/* ... */
__IO uint16_t CCR1Val = 16826;
extern __IO uint32_t LEDsState;
__IO uint32_t CmdIndex = CMD_PLAY;
__IO uint32_t PbPressCheck = 0;
FATFS USBDISKFatFs;
char USBDISKPath[4];
USBH_HandleTypeDef hUSB_Host;
MSC_ApplicationTypeDef AppliState = APPLICATION_IDLE;
static uint8_t USBH_USR_ApplicationState = USBH_USR_FS_INIT;
Private variables
static void TIM_LED_Config(void);
static void SystemClock_Config(void);
static void USBH_UserProcess(USBH_HandleTypeDef *pHost, uint8_t vId);
static void MSC_Application(void);
static void COMMAND_AudioExecuteApplication(void);
Private function prototypes
/* ... */
int main(void)
{
/* ... */
HAL_Init();
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
BSP_LED_Init(LED5);
BSP_LED_Init(LED6);
SystemClock_Config();
if(BSP_ACCELERO_Init() != ACCELERO_OK)
{
Error_Handler();
}if (BSP_ACCELERO_Init() != ACCELERO_OK) { ... }
BSP_ACCELERO_Click_ITConfig();
BSP_LED_On(LED4);
TIM_LED_Config();
RepeatState = REPEAT_ON;
LEDsState = LEDS_OFF;
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_EXTI);
if(FATFS_LinkDriver(&USBH_Driver, USBDISKPath) == 0)
{
USBH_Init(&hUSB_Host, USBH_UserProcess, 0);
USBH_RegisterClass(&hUSB_Host, USBH_MSC_CLASS);
USBH_Start(&hUSB_Host);
while (1)
{
switch(AppliState)
{
case APPLICATION_START:
MSC_Application();
break; case APPLICATION_START:
case APPLICATION_IDLE:
default:
break; default
}switch (AppliState) { ... }
USBH_Process(&hUSB_Host);
}while (1) { ... }
}if (FATFS_LinkDriver(&USBH_Driver, USBDISKPath) == 0) { ... }
while (1)
{
}while (1) { ... }
}{ ... }
/* ... */
static void USBH_UserProcess (USBH_HandleTypeDef *pHost, uint8_t vId)
{
switch (vId)
{
case HOST_USER_SELECT_CONFIGURATION:
break;
case HOST_USER_SELECT_CONFIGURATION:
case HOST_USER_DISCONNECTION:
WavePlayer_CallBack();
AppliState = APPLICATION_IDLE;
f_mount(NULL, (TCHAR const*)"", 0);
break;
case HOST_USER_DISCONNECTION:
case HOST_USER_CLASS_ACTIVE:
AppliState = APPLICATION_START;
break;
case HOST_USER_CLASS_ACTIVE:
case HOST_USER_CONNECTION:
break;
case HOST_USER_CONNECTION:
default:
break;default
}switch (vId) { ... }
}{ ... }
/* ... */
static void MSC_Application(void)
{
switch(USBH_USR_ApplicationState)
{
case USBH_USR_AUDIO:
COMMAND_AudioExecuteApplication();
USBH_USR_ApplicationState = USBH_USR_FS_INIT;
break;
case USBH_USR_AUDIO:
case USBH_USR_FS_INIT:
if(f_mount(&USBDISKFatFs, (TCHAR const*)USBDISKPath, 0 ) != FR_OK )
{
Error_Handler();
}if (f_mount(&USBDISKFatFs, (TCHAR const*)USBDISKPath, 0 ) != FR_OK) { ... }
USBH_USR_ApplicationState = USBH_USR_AUDIO;
break;
case USBH_USR_FS_INIT:
default:
break;default
}switch (USBH_USR_ApplicationState) { ... }
}{ ... }
/* ... */
static void COMMAND_AudioExecuteApplication(void)
{
switch(CmdIndex)
{
case CMD_PLAY:
if(RepeatState == REPEAT_ON)
WavePlayerStart();
break;
case CMD_PLAY:
case CMD_RECORD:
RepeatState = REPEAT_ON;
WaveRecorderProcess();
break;
case CMD_RECORD:
default:
break;default
}switch (CmdIndex) { ... }
}{ ... }
/* ... */
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
__HAL_RCC_PWR_CLK_ENABLE();
/* ... */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 336;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
RCC_OscInitStruct.PLL.PLLQ = 7;
if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { ... }
/* ... */
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) { ... }
}{ ... }
/* ... */
static void TIM_LED_Config(void)
{
uint16_t prescalervalue = 0;
uint32_t tmpvalue = 0;
__HAL_RCC_TIM4_CLK_ENABLE();
HAL_NVIC_SetPriority(TIM4_IRQn, 7, 0);
HAL_NVIC_EnableIRQ(TIM4_IRQn);
/* ... */
tmpvalue = HAL_RCC_GetPCLK1Freq();
prescalervalue = (uint16_t) ((tmpvalue * 2) / 550000) - 1;
hTimLed.Instance = TIM4;
hTimLed.Init.Period = 65535;
hTimLed.Init.Prescaler = prescalervalue;
hTimLed.Init.ClockDivision = 0;
hTimLed.Init.CounterMode = TIM_COUNTERMODE_UP;
if(HAL_TIM_OC_Init(&hTimLed) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_Init(&hTimLed) != HAL_OK) { ... }
sConfigLed.OCMode = TIM_OCMODE_TIMING;
sConfigLed.OCIdleState = TIM_OCIDLESTATE_SET;
sConfigLed.Pulse = CCR1Val;
sConfigLed.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigLed.OCNPolarity = TIM_OCNPOLARITY_HIGH;
sConfigLed.OCFastMode = TIM_OCFAST_ENABLE;
sConfigLed.OCNIdleState = TIM_OCNIDLESTATE_SET;
if(HAL_TIM_OC_ConfigChannel(&hTimLed, &sConfigLed, TIM_CHANNEL_1) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_ConfigChannel(&hTimLed, &sConfigLed, TIM_CHANNEL_1) != HAL_OK) { ... }
if(HAL_TIM_OC_Start_IT(&hTimLed, TIM_CHANNEL_1) != HAL_OK)
{
Error_Handler();
}if (HAL_TIM_OC_Start_IT(&hTimLed, TIM_CHANNEL_1) != HAL_OK) { ... }
}{ ... }
/* ... */
void Error_Handler(void)
{
BSP_LED_On(LED3);
while(1)
{
}while (1) { ... }
}{ ... }
/* ... */
void HAL_TIM_OC_DelayElapsedCallback(TIM_HandleTypeDef *htim)
{
uint32_t capture = 0;
if(LEDsState == LED3_TOGGLE)
{
BSP_LED_Toggle(LED3);
BSP_LED_Off(LED6);
BSP_LED_Off(LED4);
}if (LEDsState == LED3_TOGGLE) { ... }
else if(LEDsState == LED4_TOGGLE)
{
BSP_LED_Toggle(LED4);
BSP_LED_Off(LED6);
BSP_LED_Off(LED3);
}else if (LEDsState == LED4_TOGGLE) { ... }
else if(LEDsState == LED6_TOGGLE)
{
BSP_LED_Off(LED3);
BSP_LED_Off(LED4);
BSP_LED_Toggle(LED6);
}else if (LEDsState == LED6_TOGGLE) { ... }
else if(LEDsState == STOP_TOGGLE)
{
BSP_LED_On(LED6);
}else if (LEDsState == STOP_TOGGLE) { ... }
else if(LEDsState == LEDS_OFF)
{
BSP_LED_Off(LED3);
BSP_LED_Off(LED4);
BSP_LED_Off(LED5);
BSP_LED_Off(LED6);
}else if (LEDsState == LEDS_OFF) { ... }
capture = HAL_TIM_ReadCapturedValue(htim, TIM_CHANNEL_1);
__HAL_TIM_SET_COMPARE(htim, TIM_CHANNEL_1, (CCR1Val + capture));
}{ ... }
/* ... */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if(GPIO_Pin == GPIO_PIN_0)
{
if(PbPressCheck == 0)
{
HAL_Delay(10);
if(CmdIndex == CMD_RECORD)
{
RepeatState = REPEAT_ON;
CmdIndex = CMD_PLAY;
}if (CmdIndex == CMD_RECORD) { ... }
else if(CmdIndex == CMD_PLAY)
{
CmdIndex = CMD_RECORD;
}else if (CmdIndex == CMD_PLAY) { ... }
else
{
RepeatState = REPEAT_ON;
CmdIndex = CMD_PLAY;
}else { ... }
PbPressCheck = 1;
}if (PbPressCheck == 0) { ... }
else
{
PbPressCheck = 0;
}else { ... }
}if (GPIO_Pin == GPIO_PIN_0) { ... }
if(GPIO_Pin == ACCELERO_INT1_PIN)
{
if(PressCount == 1)
{
PauseResumeStatus = RESUME_STATUS;
PressCount = 0;
}if (PressCount == 1) { ... }
else
{
PauseResumeStatus = PAUSE_STATUS;
PressCount = 1;
}else { ... }
}if (GPIO_Pin == ACCELERO_INT1_PIN) { ... }
}{ ... }
#ifdef USE_FULL_ASSERT
/* ... */
void assert_failed(uint8_t* file, uint32_t line)
{
/* ... */
while (1)
{
}while (1) { ... }
}assert_failed (uint8_t* file, uint32_t line) { ... }
/* ... */#endifPrivate functions