From 5a4b6a5e6979fa034d537a803d43c04181a5ade7 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Mon, 1 Sep 2014 21:02:51 +0200
Subject: Rename LED functions to be more in thread with the rest of the code.

---
 firmware/drivers/led.c | 20 ++++++++++++--------
 firmware/drivers/led.h |  8 ++++----
 firmware/src/p2m.c     | 10 +++++-----
 3 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/firmware/drivers/led.c b/firmware/drivers/led.c
index fe8d6f5..293d627 100644
--- a/firmware/drivers/led.c
+++ b/firmware/drivers/led.c
@@ -28,28 +28,32 @@
 
 #include <LPC17xx.h>
 
-int led_state = 0;
+static int led_state = 0;
 
-void LED_Init()
+void led_init()
 {
-	LPC_SC->PCONP |= ( 1 << 15 ); // power up GPIO
+  // See table 46, pg. 63
+  uint32_t *pconp = (uint32_t*)0x400FC0C4;
+	*pconp |= (0b1 << 15); // power up GPIO
+
+  // See table 104, pg. 124
 	LPC_GPIO1->FIODIR |= 1 << 29; // puts P1.29 into output mode.
 }
 
-void LED_on()
+void led_on()
 {
   led_state = 1;
   LPC_GPIO1->FIOPIN |= 1 << 29; // make P1.29 high
 }
 
-void LED_off()
+void led_off()
 {
   led_state = 0;
   LPC_GPIO1->FIOPIN &= ~( 1 << 29 ); // make P1.29 low
 }
 
-void LED_toggle()
+void led_toggle()
 {
-  if(led_state) LED_off();
-  else LED_on();
+  if(led_state) led_off();
+  else led_on();
 }
diff --git a/firmware/drivers/led.h b/firmware/drivers/led.h
index 2c81474..d2af83f 100644
--- a/firmware/drivers/led.h
+++ b/firmware/drivers/led.h
@@ -27,9 +27,9 @@
 #ifndef __PEDAL2METAL_LED_H__
 #define __PEDAL2METAL_LED_H__
 
-void LED_Init();
-void LED_on();
-void LED_off();
-void LED_toggle();
+void led_init();
+void led_on();
+void led_off();
+void led_toggle();
 
 #endif/*__PEDAL2METAL_LED_H__*/
diff --git a/firmware/src/p2m.c b/firmware/src/p2m.c
index aa5250d..95acc21 100644
--- a/firmware/src/p2m.c
+++ b/firmware/src/p2m.c
@@ -146,7 +146,7 @@ int main (void)
 	//	SystemCoreClockUpdate(); 
 	//  SystemInit();
 
-	LED_Init();
+	led_init();
 
 	uint8_t portnum = 0;
 
@@ -226,13 +226,13 @@ int main (void)
 
 	// Indicate that we didn't crash before the end...
 	while(1) { // slow blink
-		LED_toggle();
+		led_toggle();
 		_delay(1 << 21);
 	}
 
 fail:
 	while(1) {  // fast blink
-		LED_toggle();
+		led_toggle();
 		_delay(1 << 17);
 	}
 }
@@ -260,7 +260,7 @@ typedef unsigned char uint8_t;
 
 int main (void)
 {
-	LED_Init(); // Bent code
+	led_init(); // Bent code
 
 	// 3. Initializing
 	/*
@@ -353,7 +353,7 @@ int main (void)
  // Indicate that we didn't crash before the end...
  int i = 0;
  while(1) {
-	 LED_toggle();
+	 led_toggle();
 	 _delay(1 << 21);
 	 i = 1 - i;
  }
-- 
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