X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm%2Fao_dma_stm.c;fp=src%2Fstm%2Fao_dma_stm.c;h=0135de48e9e9131e619a8fc81b493ee23dfed4a8;hb=f418584d4d225827e08f56de86055eb3f074f8d1;hp=93b7fb47e1da815545d843cc2ae4838e65759264;hpb=2e60cd22f6789c94343e6432822cedab028dc1ba;p=fw%2Faltos

diff --git a/src/stm/ao_dma_stm.c b/src/stm/ao_dma_stm.c
index 93b7fb47..0135de48 100644
--- a/src/stm/ao_dma_stm.c
+++ b/src/stm/ao_dma_stm.c
@@ -113,6 +113,40 @@ ao_dma_alloc(uint8_t index)
 	ao_dma_allocated[index] = 1;
 }
 
+#if DEBUG
+void
+ao_dma_dump_cmd(void)
+{
+	int i;
+
+	ao_arch_critical(
+		if (ao_dma_active++ == 0)
+			stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_DMA1EN);
+		);
+	printf ("isr %08x ifcr%08x\n", stm_dma.isr, stm_dma.ifcr);
+	for (i = 0; i < NUM_DMA; i++)
+		printf("%d: done %d allocated %d mutex %2d ccr %04x cndtr %04x cpar %08x cmar %08x isr %08x\n",
+		       i,
+		       ao_dma_done[i],
+		       ao_dma_allocated[i],
+		       ao_dma_mutex[i],
+		       stm_dma.channel[i].ccr,
+		       stm_dma.channel[i].cndtr,
+		       stm_dma.channel[i].cpar,
+		       stm_dma.channel[i].cmar,
+		       ao_dma_config[i].isr);
+	ao_arch_critical(
+		if (--ao_dma_active == 0)
+			stm_rcc.ahbenr &= ~(1 << STM_RCC_AHBENR_DMA1EN);
+		);
+}
+
+static const struct ao_cmds ao_dma_cmds[] = {
+	{ ao_dma_dump_cmd, 	"D\0Dump DMA status" },
+	{ 0, NULL }
+};
+#endif
+
 void
 ao_dma_init(void)
 {
@@ -124,5 +158,7 @@ ao_dma_init(void)
 		ao_dma_allocated[index] = 0;
 		ao_dma_mutex[index] = 0;
 	}
-	
+#if DEBUG
+	ao_cmd_register(&ao_dma_cmds[0]);
+#endif
 }