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[X9D] Now the SD sounds are played.

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This commit is contained in:
bsongis
2013-01-20 20:57:08 +00:00
parent dbc0a16134
commit f0b2b56990
3 changed files with 33 additions and 3 deletions
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src/x9d/audio_driver.cpp
+15 -1
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@@ -34,6 +34,7 @@
#include "../open9x.h"
bool dacIdle = true;
uint32_t currentFrequency = 0;
uint32_t getFrequency()
@@ -86,13 +87,14 @@ void dacInit()
DMA1_Stream5->CR = DMA_SxCR_CHSEL_0 | DMA_SxCR_CHSEL_1 | DMA_SxCR_CHSEL_2 | DMA_SxCR_PL_0 |
DMA_SxCR_MSIZE_0 | DMA_SxCR_PSIZE_0 | DMA_SxCR_MINC | DMA_SxCR_DIR_0 | DMA_SxCR_CIRC ;
DMA1_Stream5->PAR = (uint32_t) &DAC->DHR12R1 ;
DMA1_Stream5->M0AR = (uint32_t) Sine_values ;
DMA1_Stream5->M0AR = CONVERT_PTR(Sine_values);
DMA1_Stream5->FCR = 0x05 ; //DMA_SxFCR_DMDIS | DMA_SxFCR_FTH_0 ;
DMA1_Stream5->NDTR = 100 ;
DAC->DHR12R1 = 2010 ;
DAC->SR = DAC_SR_DMAUDR1 ; // Write 1 to clear flag
DAC->CR = DAC_CR_TEN1 | DAC_CR_EN1 ; // Enable DAC
NVIC_SetPriority( DMA1_Stream5_IRQn, 2 ) ; // High priority interrupt
NVIC_EnableIRQ(TIM6_DAC_IRQn) ;
NVIC_EnableIRQ(DMA1_Stream5_IRQn) ;
}
@@ -126,6 +128,18 @@ extern "C" void DMA1_Stream5_IRQHandler()
{
DMA1_Stream5->CR &= ~DMA_SxCR_TCIE ; // Stop interrupt
DMA1->HIFCR = DMA_HIFCR_CTCIF5 | DMA_HIFCR_CHTIF5 | DMA_HIFCR_CTEIF5 | DMA_HIFCR_CDMEIF5 | DMA_HIFCR_CFEIF5 ; // Write ones to clear flags
DMA1_Stream5->CR &= ~DMA_SxCR_EN ; // Disable DMA channel
if (nextAudioData) {
DMA1_Stream5->M0AR = CONVERT_PTR(nextAudioData);
DMA1_Stream5->NDTR = nextAudioSize*2;
DMA1->HIFCR = DMA_HIFCR_CTCIF5 | DMA_HIFCR_CHTIF5 | DMA_HIFCR_CTEIF5 | DMA_HIFCR_CDMEIF5 | DMA_HIFCR_CFEIF5 ; // Write ones to clear bits
DMA1_Stream5->CR |= DMA_SxCR_EN | DMA_SxCR_TCIE ; // Enable DMA channel
DAC->SR = DAC_SR_DMAUDR1; // Write 1 to clear flag
nextAudioData = NULL;
}
else {
dacIdle = true;
}
}
#endif