Revert to basic led driver

2026-02-19 14:23:54 +13:00
parent bfa85c5688
commit 6b5ae78591
2 changed files with 70 additions and 86 deletions
--- a/pico/lib/dma.py
+++ b/pico/lib/dma.py
@@ -93,9 +93,8 @@ class PIO_DMA_Transfer():
        self.dma_chan.CTRL_TRIG.INCR_WRITE = 0
        self.dma_chan.CTRL_TRIG.INCR_READ = 1
            
-    def start_transfer(self, buffer, offset=0):
-        """Start DMA from buffer at byte offset (no copy; DMA reads from buffer + offset)."""
-        self.dma_chan.READ_ADDR_REG = uctypes.addressof(buffer) + offset
+    def start_transfer(self, buffer):
+        self.dma_chan.READ_ADDR_REG = uctypes.addressof(buffer)
        self.dma_chan.CTRL_TRIG.EN = 1

    def transfer_count(self):