1 files changed, 51 insertions, 45 deletions
diff --git a/examples/test-dac.cpp b/examples/test-dac.cpp
index 3a699e2..40ae5d5 100644
--- a/examples/test-dac.cpp
+++ b/examples/test-dac.cpp
@@ -1,45 +1,51 @@
-
-#include "wirish.h"
-#include "fsmc.h"
-#include "rcc.h"
-#include "gpio.h"
-#include "dac.h"
-
-uint16 count = 0;
-
-void setup() {
-
-    pinMode(BOARD_LED_PIN, OUTPUT);
-    digitalWrite(BOARD_LED_PIN,1);
-
-    Serial1.begin(9600);
-    Serial1.println("**** Beginning DAC test");
-
-    Serial1.print("Init... ");
-    dac_init();
-    Serial1.println("Done.");
-}
-
-void loop() {
-    toggleLED();
-    delay(100);
-
-    count += 100;
-    if(count > 4095) {
-        count = 0;
-    }
-
-    dac_write(1, 2048);
-    dac_write(2, count);
-}
-
-int main(void) {
-    init();
-    setup();
-
-    while (1) {
-        loop();
-    }
-    return 0;
-}
-
+/*
+ * Simple DAC test.
+ *
+ * Author: Marti Bolivar <mbolivar@leaflabs.com>
+ *
+ * This file is released into the public domain.
+ */
+
+#include "wirish.h"
+#include "dac.h"
+
+uint16 count = 0;
+
+void setup() {
+    pinMode(BOARD_LED_PIN, OUTPUT);
+    digitalWrite(BOARD_LED_PIN, HIGH);
+
+    Serial1.begin(9600);
+    Serial1.println("**** Beginning DAC test");
+
+    Serial1.print("Init... ");
+    dac_init(DAC, DAC_CH1 | DAC_CH2);
+    Serial1.println("Done.");
+}
+
+void loop() {
+    toggleLED();
+    delay(100);
+
+    count += 100;
+    if (count > 4095) {
+        count = 0;
+    }
+
+    dac_write_channel(DAC, 1, 4095 - count);
+    dac_write_channel(DAC, 2, count);
+}
+
+__attribute__((constructor)) void premain() {
+    init();
+}
+
+int main(void) {
+    setup();
+
+    while (true) {
+        loop();
+    }
+    return 0;
+}
+