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Fix DMA stream ID calculation in ws2812_pwm #10008

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Aug 25, 2020
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Fix DMA stream ID calculation in ws2812_pwm #10008

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2 changes: 1 addition & 1 deletion drivers/chibios/ws2812_pwm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -177,7 +177,7 @@ void ws2812_init(void) {

// Configure DMA
// dmaInit(); // Joe added this
dmaStreamAlloc(WS2812_DMA_STREAM - STM32_DMA1_STREAM1, 10, NULL, NULL);
dmaStreamAlloc(WS2812_DMA_STREAM - STM32_DMA_STREAM(0), 10, NULL, NULL);
dmaStreamSetPeripheral(WS2812_DMA_STREAM, &(WS2812_PWM_DRIVER.tim->CCR[WS2812_PWM_CHANNEL - 1])); // Ziel ist der An-Zeit im Cap-Comp-Register
dmaStreamSetMemory0(WS2812_DMA_STREAM, ws2812_frame_buffer);
dmaStreamSetTransactionSize(WS2812_DMA_STREAM, WS2812_BIT_N);
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