X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=fx2lafw.c;h=1949a7c1fecfd46769cab5ff86947a3b9e6dac26;hb=297fb13a138176c664bb80ef71f2d4f685793b29;hp=79de09629d526d74da6b12f9fc92aef5f9d7a946;hpb=a986cfff887aefe65cfd0923a31ae2843b7e3ae4;p=sigrok-firmware-fx2lafw.git
diff --git a/fx2lafw.c b/fx2lafw.c
index 79de0962..1949a7c1 100644
--- a/fx2lafw.c
+++ b/fx2lafw.c
@@ -14,8 +14,7 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see .
*/
/*
@@ -39,6 +38,7 @@
#include
#include
+#include
#include
#include
#include
@@ -51,6 +51,10 @@
volatile __bit got_sud;
BYTE vendor_command;
+volatile WORD ledcounter = 1000;
+
+extern __bit gpif_acquiring;
+
static void setup_endpoints(void)
{
/* Setup EP2 (IN). */
@@ -209,6 +213,20 @@ void hispeed_isr(void) __interrupt HISPEED_ISR
CLEAR_HISPEED();
}
+void timer2_isr(void) __interrupt TF2_ISR
+{
+ /* Blink LED during acquisition, keep it on otherwise. */
+ if (gpif_acquiring) {
+ if (--ledcounter == 0) {
+ PA1 = !PA1;
+ ledcounter = 1000;
+ }
+ } else {
+ PA1 = 1; /* LED on. */
+ }
+ TF2 = 0;
+}
+
void fx2lafw_init(void)
{
/* Set DYN_OUT and ENH_PKT bits, as recommended by the TRM. */
@@ -230,6 +248,18 @@ void fx2lafw_init(void)
ENABLE_HISPEED();
ENABLE_USBRESET();
+ /* PA1 (LED) is an output. */
+ PORTACFG = 0;
+ OEA = (1 << 1);
+ PA1 = 1; /* LED on. */
+
+ /* Init timer2. */
+ RCAP2L = -500 & 0xff;
+ RCAP2H = (-500 & 0xff00) >> 8;
+ T2CON = 0;
+ ET2 = 1;
+ TR2 = 1;
+
/* Global (8051) interrupt enable. */
EA = 1;