GPIO outputs are now MIDI controlable

1 files changed, 20 insertions, 2 deletions

diff --git a/software/rhmixxx/gpio.c b/software/rhmixxx/gpio.c
index 6edf376..bdc1378 100644
--- a/software/rhmixxx/gpio.c
+++ b/software/rhmixxx/gpio.c
@@ -29,10 +29,28 @@
 void gpio_init(void)
 {
   GPIO_DDR = 0x0F;
-  GPIO_PORT = 0xFA;
+  GPIO_PORT = 0xF0;
+}
+
+void gpio_out_on(uint8_t num)
+{
+  if(num < 4)
+    GPIO_PORT |= (1 << num);
+}
+
+void gpio_out_off(uint8_t num)
+{
+  if(num < 4)
+    GPIO_PORT &= ~(1 << num);
+}
+
+void gpio_out_toggle(uint8_t num)
+{
+  if(num < 4)
+    GPIO_PORT ^= (1 << num);
 }
 
 void gpio_task(void)
 {
-  GPIO_PORT ^= 0x0F;
+  // TODO generate events on change of GPI
 }