Basic Christmas light implementation!

1 files changed, 5 insertions, 1 deletions

diff --git a/src/spi.c b/src/spi.c
index 5c84b77..a416014 100644
--- a/src/spi.c
+++ b/src/spi.c
@@ -4,6 +4,7 @@
 
 #include "ch573/gpio.h"
 #include "ch573/spi.h"
+#include "sysled.h"
 
 #define MAX_SPI_FIFO 8
 
@@ -79,7 +80,10 @@ void dma_transfer(void* output_buffer, size_t len)
 
 void wait_for_dma()
 {
-  while (SPI.total_count.get(SPI0) > 0);
+  while (SPI.total_count.get(SPI0) > 0) {
+    set_sysled(1);
+  }
+  set_sysled(0);
 }
 
 void run_spi(void)