UnwrappedHardwareScheduler::UnwrappedHardwareScheduler()
: _lastTimeAtFrame0(0)
, _lastDmaSyncedTime(std::chrono::seconds(0)) {
dmaCh = 5;
SchedulerBase::registerExitHandler(&cleanup, SCHED_IO_EXIT_LEVEL);
makeMaps();
initSrcAndControlBlocks();
initPwm();
initDma();
}
void dma_main(void){
#else
void main(void){
#endif
DMA_DESC dmaChannel;
char sourceString[56] = "This is a test string used to demonstrate DMA transfer."; //56 bytes
char destString[56];
INT8 i;
INT8 errors = 0;
initDma();
//Clearing the destination
memset(destString,0,sizeof(destString));
// Setting up the DMA channel.
SET_WORD(dmaChannel.SRCADDRH, dmaChannel.SRCADDRL, &sourceString); // The start address of the data to be transmitted
SET_WORD(dmaChannel.DESTADDRH, dmaChannel.DESTADDRL, &destString); // The start address of the destination.
SET_WORD(dmaChannel.LENH, dmaChannel.LENL, sizeof(sourceString)); // Setting the number of bytes to transfer.
dmaChannel.VLEN = VLEN_USE_LEN; // Using the length field to determine how many bytes to transfer.
dmaChannel.PRIORITY = PRI_HIGH; // High priority.
dmaChannel.M8 = M8_USE_8_BITS; // Irrelevant since length is determined by the LENH and LENL.
dmaChannel.IRQMASK = FALSE; // The DMA shall not issue an IRQ upon completion.
dmaChannel.DESTINC = DESTINC_1; // The destination address is to be incremented by 1 after each transfer.
dmaChannel.SRCINC = SRCINC_1; // The source address inremented by 1 byte after each transfer.
dmaChannel.TRIG = DMATRIG_NONE; // The DMA channel will be started manually.
dmaChannel.TMODE = TMODE_BLOCK; // The number of bytes specified by LENH and LENL is transferred.
dmaChannel.WORDSIZE = WORDSIZE_BYTE; // One byte is transferred each time.
// Using DMA channel 0.
// Setting where the DMA channel is to read the desciptor and arming the DMA channel.
DMA_SET_ADDR_DESC0(&dmaChannel);
DMA_ABORT_CHANNEL(0);
DMA_ARM_CHANNEL(0);
//Waiting for the user to start the transfer.
lcdUpdate((char*)"Press S1",(char*)"to start DMA.");
while(!buttonPushed());
// Clearing all DMA complete flags and starting the transfer.
DMAIRQ = 0x00;
DMA_START_CHANNEL(0);
// Waiting for the DMA to finish.
while(!(DMAIRQ & DMA_CHANNEL_0));
// Verifying that data is transferred correctly
for(i=0;i<sizeof(sourceString);i++)
{
if(sourceString[i] != destString[i])
errors++;
}
//Displaying the result
if(errors == 0)
{lcdUpdate((char*)"Dma transfer",(char*)"correct!");}
else
{lcdUpdate((char*)"Error in DMA",(char*)"Transfer");}
haltApplicationWithLED();
return;
}
void main(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* GPIOD Periph clock enable */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
/* Configures the leds and the read/write pin on D1 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13| GPIO_Pin_14| GPIO_Pin_15 | GPIO_Pin_1;
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);
initDma();
uint32_t period = initialize_timers(525000, 1);
/* GPIOD Periph clock enable */
RCC_AHB1PeriphClockCmd(USER_BUTTON_GPIO_CLK, ENABLE);
/* Configure Button in output pushpull mode */
GPIO_InitStructure.GPIO_Pin = USER_BUTTON_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(USER_BUTTON_GPIO_PORT, &GPIO_InitStructure);
uint8_t button = 0;
uint8_t value = 0;
uint8_t thousands = 0;
while(1)
{
TIM3->CCR1 = (period + 1) * ADC3ConvertedValue[0] / 4000 / 4.5;
/*if(ADC3ConvertedValue[0] > 1000)
{
GPIO_SetBits(GPIOD, GPIO_Pin_13);
TIM3->CCR1 = (period + 1) * 50.0 / 100;
}
else if(ADC3ConvertedValue[1] > 1000)
{
GPIO_SetBits(GPIOD, GPIO_Pin_14);
TIM3->CCR2 = (period + 1) * 50.0 / 100;
}
else if(ADC3ConvertedValue[2] > 1000)
{
GPIO_SetBits(GPIOD, GPIO_Pin_15);
TIM3->CCR3 = (period + 1) * 50.0 / 100;
}
else if(ADC3ConvertedValue[3] > 1000)
{
GPIO_SetBits(GPIOD, GPIO_Pin_12);
TIM3->CCR4 = (period + 1) * 50.0 / 100;
}
else
{
TIM3->CCR1 = (period + 1) * 0 / 100;
TIM3->CCR2 = (period + 1) * 0 / 100;
TIM3->CCR3 = (period + 1) * 0 / 100;
TIM3->CCR4 = (period + 1) * 0 / 100;
}*/
GPIO_ResetBits(GPIOD, GPIO_Pin_12);
GPIO_ResetBits(GPIOD, GPIO_Pin_13);
GPIO_ResetBits(GPIOD, GPIO_Pin_14);
GPIO_ResetBits(GPIOD, GPIO_Pin_15);
}
}
/**************************************************************************//**
* @brief Main function
*****************************************************************************/
int main(void)
{
#ifdef GG_STK
uint32_t mode = 0;
#else
/* Initialize DK board register access, necessary if run on DK */
BSP_Init(BSP_INIT_DEFAULT);
BSP_PeripheralAccess(BSP_AUDIO_OUT, true);
#endif
/* Initialize peripherals */
initClock();
initDma();
initDac();
initDacDma();
initTimer();
#ifdef GG_STK
initGpio();
#endif
while(1)
{
/*** Operation for EFM32GG-DK3750 ***/
#ifndef GG_STK
/* Wait key press */
while(!BSP_PushButtonsGet())
;
if (BSP_PushButtonsGet() == BC_UIF_PB1)
{
BSP_LedsSet(0x0001);
/* Wait key release */
while(BSP_PushButtonsGet()!=0);
/* Start play files */
playList[0].frameStart = (char *)voice8k;
playList[1].frameStart = NULL;
playList[0].frameNum = sizeof(voice8k)/FRAME_SIZE_8K;
speexPlayBack(0, NARROWBAND, FRAME_SIZE_8K, &playList[0]);
BSP_LedsSet(0x0000);
}
if (BSP_PushButtonsGet() == BC_UIF_PB2)
{
BSP_LedsSet(0x0002);
/* Wait key release */
while(BSP_PushButtonsGet()!=0);
/* Start play files */
playList[0].frameStart = (char *)voice11k;
playList[1].frameStart = NULL;
playList[0].frameNum = sizeof(voice11k)/FRAME_SIZE_11K;
speexPlayBack(0, NARROWBAND, FRAME_SIZE_11K, &playList[0]);
BSP_LedsSet(0x0000);
}
if (BSP_PushButtonsGet() == BC_UIF_PB3)
{
BSP_LedsSet(0x0004);
/* Wait key release */
while(BSP_PushButtonsGet()!=0);
/* Start play files */
playList[0].frameStart = (char *)voice15k;
playList[1].frameStart = NULL;
playList[0].frameNum = sizeof(voice15k)/FRAME_SIZE_15K;
speexPlayBack(0, NARROWBAND, FRAME_SIZE_15K, &playList[0]);
BSP_LedsSet(0x0000);
}
if (BSP_PushButtonsGet() == BC_UIF_PB4)
{
BSP_LedsSet(0x0008);
/* Wait key release */
while(BSP_PushButtonsGet()!=0);
/* Start play files */
playList[0].frameStart = (char *)voice18k2;
playList[1].frameStart = NULL;
playList[0].frameNum = sizeof(voice18k2)/FRAME_SIZE_18K2;
speexPlayBack(0, NARROWBAND, FRAME_SIZE_18K2, &playList[0]);
BSP_LedsSet(0x0000);
}
/*** Operation for EFM32GG-STK3750 ***/
#else
/* Wait key press */
EMU_EnterEM1();
switch (keyCheck())
{
case 1:
mode++;
if (mode == 4)
{
mode = 0;
}
GPIO_PortOutSetVal(gpioPortE, (mode << 2), 0x000c);
break;
case 2:
if (mode == 0x00)
{
/* Start play files */
playList[0].frameStart = (char *)voice8k;
playList[1].frameStart = NULL;
playList[0].frameNum = sizeof(voice8k)/FRAME_SIZE_8K;
speexPlayBack(0, NARROWBAND, FRAME_SIZE_8K, &playList[0]);
}
else if (mode == 0x01)
{
/* Start play files */
playList[0].frameStart = (char *)voice11k;
playList[1].frameStart = NULL;
playList[0].frameNum = sizeof(voice11k)/FRAME_SIZE_11K;
speexPlayBack(0, NARROWBAND, FRAME_SIZE_11K, &playList[0]);
}
else if (mode == 0x02)
{
/* Start play files */
playList[0].frameStart = (char *)voice15k;
playList[1].frameStart = NULL;
playList[0].frameNum = sizeof(voice15k)/FRAME_SIZE_15K;
speexPlayBack(0, NARROWBAND, FRAME_SIZE_15K, &playList[0]);
}
else
{
/* Start play files */
playList[0].frameStart = (char *)voice18k2;
playList[1].frameStart = NULL;
playList[0].frameNum = sizeof(voice18k2)/FRAME_SIZE_18K2;
speexPlayBack(0, NARROWBAND, FRAME_SIZE_18K2, &playList[0]);
}
break;
default:
break;
}
#endif
}
}
