/*
* Main function. Called when startup code is done with
* copying memory and setting up clocks.
*/
int audioToMp3(void) {
GPIO_InitTypeDef GPIO_InitStructure;
// SysTick interrupt each 1ms
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 1000);
// GPIOD Peripheral clock enable
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
// Configure PD12, PD13, PD14 and PD15 in output pushpull mode
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOD, &GPIO_InitStructure);
// Initialize USB Host Library
USBH_Init(&USB_OTG_Core, USB_OTG_FS_CORE_ID, &USB_Host, &USBH_MSC_cb, &USR_Callbacks);
for(;;) {
if(0==exitMp3)
{
USBH_Process(&USB_OTG_Core, &USB_Host);
if (enum_done >= 2) {
enum_done = 0;
play_directory("", 0);
}
}
//exit and disable peripherals
else
{
//RTC_AlarmCmd(RTC_Alarm_A,DISABLE);
DAC_Cmd(DAC_Channel_1, DISABLE);
DAC_DMACmd(DAC_Channel_1, DISABLE); //DMAEN1
DMA_Cmd(DMA1_Stream5, DISABLE);
TIM_Cmd(TIM6, DISABLE);
exitMp3 = 0;
mp3PlayingFlag = 0;
break;
}
}
}
int main(void)
{
SystemInit();
/* GPIOD Periph clock enable */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
/* Configure PD12, PD13, PD14 and PD15 in output pushpull mode */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13| GPIO_Pin_14| GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOD, &GPIO_InitStructure);
USBH_Init(&USB_OTG_Core, USB_OTG_FS_CORE_ID, &USB_Host, &USBH_MSC_cb, &USR_Callbacks);
while(1)
{
USBH_Process(&USB_OTG_Core, &USB_Host);
if (l==0) {
l=0;
//play_directory("", 0);
// Filewrite();
}
if (enum_done >= 2) {
enum_done = 0;
play_directory("", 0);
}
}
}
