altos: Provide ISR-based code paths for SPI

[fw/altos] / src / stm / ao_dma_stm.c

diff --git a/src/stm/ao_dma_stm.c b/src/stm/ao_dma_stm.c
index 8379a1a533ca0ec5e19321910b1a9975a952f744..c44e66f0e142818ed012dc809bf9c04274bc1b35 100644 (file)
--- a/src/stm/ao_dma_stm.c
+++ b/src/stm/ao_dma_stm.c
@@ -20,7 +20,8 @@
 #define NUM_DMA        7
 
 struct ao_dma_config {
-       void            (*isr)(int index);
+       void            (*isr)(int arg);
+       int             arg;
 };
 
 uint8_t ao_dma_done[NUM_DMA];
@@ -39,7 +40,7 @@ ao_dma_isr(uint8_t index) {
        /* Ack them */
        stm_dma.ifcr = isr;
        if (ao_dma_config[index].isr)
-               (*ao_dma_config[index].isr)(index);
+               (*ao_dma_config[index].isr)(ao_dma_config[index].arg);
        else {
                ao_dma_done[index] = 1;
                ao_wakeup(&ao_dma_done[index]);
@@ -79,8 +80,9 @@ ao_dma_set_transfer(uint8_t           index,
 }
 
 void
-ao_dma_set_isr(uint8_t index, void (*isr)(int))
+ao_dma_set_isr(uint8_t index, void (*isr)(int), int arg)
 {
+       ao_dma_config[index].arg = arg;
        ao_dma_config[index].isr = isr;
 }