1 files changed, 61 insertions, 0 deletions
diff --git a/openpcd/firmware/src/led.c b/openpcd/firmware/src/led.c
new file mode 100644
index 0000000..7f5db72
--- /dev/null
+++ b/openpcd/firmware/src/led.c
@@ -0,0 +1,61 @@
+
+#include <include/types.h>
+#include <include/lib_AT91SAM7S64.h>
+#include "openpcd.h"
+#include "dbgu.h"
+
+static int led2port(int led)
+{
+	if (led == 1)
+		return OPENPCD_LED1;
+	else if (led == 2)
+		return OPENPCD_LED2;
+	else
+		return -1;
+}
+
+void led_switch(int led, int on)
+{
+	int port = led2port(led);
+
+	if (port == -1)
+		return;
+
+	if (on)
+		AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, port);
+	else
+		AT91F_PIO_SetOutput(AT91C_BASE_PIOA, port);
+}
+
+int led_get(int led)
+{
+	int port = led2port(led);
+
+	if (port == -1)
+		return -1;
+
+	return !(AT91F_PIO_GetOutputDataStatus(AT91C_BASE_PIOA) & port);
+}
+
+int led_toggle(int led)
+{
+	int on = led_get(led);
+	if (on == -1)
+		return -1;
+
+	if (on) {
+		DEBUGP("led%d on, switching off\r\n", led);
+		led_switch(led, 0);
+	} else {
+		DEBUGP("led%d off, switching on\r\n", led);
+		led_switch(led, 1);
+	}
+}
+
+void led_init(void)
+{
+	AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, OPENPCD_LED1);
+	AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, OPENPCD_LED2);
+	led_switch(1, 0);
+	led_switch(2, 0);
+}