From 753c84252e83ac345d5f007b695daf33be52b2dc Mon Sep 17 00:00:00 2001
From: Howard Su <howard0su@gmail.com>
Date: Wed, 11 Jan 2023 22:48:00 +0800
Subject: [PATCH] Use set_write_addr to trigger dma

---
 dsp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dsp.c b/dsp.c
index 3b72ea4..b5a1b39 100644
--- a/dsp.c
+++ b/dsp.c
@@ -297,7 +297,7 @@ bool __not_in_flash_func(dsp_callback)(repeating_timer_t *t)
 	adc_select_input(0);													// Start with ADC0
 	adc_fifo_drain();														// Empty leftovers from fifo, if any
 
-	dma_channel_transfer_to_buffer_now(dma_channel, &adc_sample[0][0], ADC_INT * 3);											// Start DMA
+	dma_channel_set_write_addr(dma_channel, &adc_sample[0][0], true);		// Start DMA
 
 	adc_run(true);															// Start ADC too