X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=sainsmart_dds120.c;h=1ea478087ed6307841057356e7feb6626b7c25c4;hb=65b34f7ea6d5f250a09c878d929e5c5312093e54;hp=a45919619b4957485800d595ce990b1c58420394;hpb=e583c3fcd0bd1e4a44846fba5e80bbea1ff215a2;p=sigrok-firmware-fx2lafw.git

diff --git a/sainsmart_dds120.c b/sainsmart_dds120.c
index a4591961..1ea47808 100644
--- a/sainsmart_dds120.c
+++ b/sainsmart_dds120.c
@@ -30,9 +30,15 @@
 /* Note: There's no PE2 as IOE is not bit-addressable (see TRM 15.2). */
 #define TOGGLE_CALIBRATION_PIN() IOE = IOE ^ 0x04
 
+#define LED_CLEAR() NOP
+#define LED_GREEN() NOP
+#define LED_RED()   NOP
+
 /* Change to support as many interfaces as you need. */
 static BYTE altiface = 0;
 
+static volatile WORD ledcounter = 0;
+
 static volatile __bit dosud = FALSE;
 static volatile __bit dosuspend = FALSE;
 
@@ -72,6 +78,9 @@ void timer2_isr(void) __interrupt TF2_ISR
 {
 	TOGGLE_CALIBRATION_PIN();
 
+	if (ledcounter && (--ledcounter == 0))
+		LED_CLEAR();
+
 	TF2 = 0;
 }
 
@@ -229,6 +238,9 @@ static void start_sampling(void)
 	GPIFTCB0 = 0;
 	GPIFTRIG = (altiface == 0) ? 6 : 4;
 
+	/* Set green LED, don't clear LED afterwards (ledcounter = 0). */
+	LED_GREEN();
+	ledcounter = 0;
 }
 
 static void select_interface(BYTE alt)
@@ -429,6 +441,10 @@ BOOL handle_vendorcommand(BYTE cmd)
 {
 	stop_sampling();
 
+	/* Set red LED, clear after timeout. */
+	LED_RED();
+	ledcounter = 1000;
+
 	/* Clear EP0BCH/L for each valid command. */
 	if (cmd >= 0xe0 && cmd <= 0xe6) {
 		EP0BCH = 0;