X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=main.c;h=3a6096f70cf425f334d12c8b6ab9da68aab83d45;hb=66a5031c4c3b418eab9561bed429e9efc3e432a3;hp=905f7bd06aebef3a044262f6a429262342cbea98;hpb=8f8de985c569a5be44f2996cc4696c511a4a3378;p=kiibohd-controller.git

diff --git a/main.c b/main.c
index 905f7bd..3a6096f 100644
--- a/main.c
+++ b/main.c
@@ -1,15 +1,15 @@
-/* Copyright (C) 2011 by Jacob Alexander
- * 
+/* Copyright (C) 2011-2014 by Jacob Alexander
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -21,15 +21,15 @@
 
 // ----- Includes -----
 
-// AVR Includes
-#include <avr/io.h>
-#include <avr/interrupt.h>
+// Compiler Includes
+#include <Lib/MainLib.h>
 
 // Project Includes
 #include <macro.h>
 #include <scan_loop.h>
-#include <usb_com.h>
+#include <output_com.h>
 
+#include <cli.h>
 #include <led.h>
 #include <print.h>
 
@@ -43,7 +43,9 @@
 
 
 // ----- Macros -----
+#if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_)
 #define CPU_PRESCALE(n)	(CLKPR = 0x80, CLKPR = (n))
+#endif
 
 
 
@@ -59,102 +61,100 @@ volatile uint8_t sendKeypresses = 0;
 
 // ----- Functions -----
 
-// Initial Pin Setup, make sure they are sane
-inline void pinSetup(void)
+inline void usbTimerSetup()
 {
+// AVR
+#if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_)
 
-	// For each pin, 0=input, 1=output
-#if defined(__AVR_AT90USB1286__)
-	DDRA = 0x00;
-#endif
-	DDRB = 0x00;
-	DDRC = 0x00;
-	DDRD = 0x00;
-	DDRE = 0x00;
-	DDRF = 0x00;
+	// Setup with 16 MHz clock
+	CPU_PRESCALE( 0 );
 
+	// Setup ISR Timer for flagging a kepress send to USB
+	// Set to 256 * 1024 (8 bit timer with Clock/1024 prescalar) timer
+	TCCR0A = 0x00;
+	TCCR0B = 0x03;
+	TIMSK0 = (1 << TOIE0);
 
-	// Setting pins to either high or pull-up resistor
-#if defined(__AVR_AT90USB1286__)
-	PORTA = 0x00;
+// ARM
+#elif defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_)
+	// 48 MHz clock by default
+
+	// System Clock Gating Register Disable
+	SIM_SCGC6 |= SIM_SCGC6_PIT;
+
+	// Enable Timers
+	PIT_MCR = 0x00;
+
+	// Setup ISR Timer for flagging a kepress send to USB
+	// 1 ms / (1 / 48 MHz) - 1 = 47999 cycles -> 0xBB7F
+	PIT_LDVAL0 = 0x0000BB7F;
+	PIT_TCTRL0 = 0x3; // Enable Timer 0 interrupts, and Enable Timer 0
+
+	// Insert the required vector for Timer 0
+	NVIC_ENABLE_IRQ( IRQ_PIT_CH0 );
 #endif
-	PORTB = 0x00;
-	PORTC = 0x00;
-	PORTD = 0x00;
-	PORTE = 0x00;
-	PORTF = 0x00;
 }
 
-int main(void)
-{
-	// Setup with 16 MHz clock
-	CPU_PRESCALE( 0 );
 
-	// Configuring Pins
-	pinSetup();
-	init_errorLED();
+int main()
+{
+	// Enable CLI
+	CLI_init();
 
-	// Setup USB Module
-	usb_setup();
+	// Setup Modules
+	Output_setup();
+	Macro_setup();
+	Scan_setup();
 
 	// Setup ISR Timer for flagging a kepress send to USB
-	// Set to 256 * 1024 (8 bit timer with Clock/1024 prescalar) timer
-	TCCR0A = 0x00;
-	TCCR0B = 0x03;
-	TIMSK0 = (1 << TOIE0);
+	usbTimerSetup();
 
 	// Main Detection Loop
-	uint8_t ledTimer = 15; // Enable LED for a short time
 	while ( 1 )
 	{
-		// Setup the scanning module
+		// Process CLI
+		CLI_process();
+
+		// Acquire Key Indices
+		// Loop continuously until scan_loop returns 0
 		cli();
-		scan_setup();
+		while ( Scan_loop() );
 		sei();
 
-		while ( 1 )
-		{
-			// Acquire Key Indices
-			// Loop continuously until scan_loop returns 0
-			cli();
-			while ( scan_loop() );
-			sei();
-
-			// Run Macros over Key Indices and convert to USB Keys
-			process_macros();
-
-			// Send keypresses over USB if the ISR has signalled that it's time
-			if ( !sendKeypresses )
-				continue;
+		// Run Macros over Key Indices and convert to USB Keys
+		Macro_process();
 
-			// Send USB Data
-			usb_send();
+		// Send keypresses over USB if the ISR has signalled that it's time
+		if ( !sendKeypresses )
+			continue;
 
-			// Clear sendKeypresses Flag
-			sendKeypresses = 0;
+		// Send USB Data
+		Output_send();
 
-			// Indicate Error, if valid
-			errorLED( ledTimer );
-
-			if ( ledTimer > 0 )
-				ledTimer--;
-		}
-
-		// Loop should never get here (indicate error)
-		ledTimer = 255;
-
-		// HID Debug Error message
-		erro_print("Detection loop error, this is very bad...bug report!");
+		// Clear sendKeypresses Flag
+		sendKeypresses = 0;
 	}
 }
 
+
+// ----- Interrupts -----
+
 // USB Keyboard Data Send Counter Interrupt
+#if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
 ISR( TIMER0_OVF_vect )
+#elif defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) // ARM
+void pit0_isr()
+#endif
 {
 	sendKeypressCounter++;
 	if ( sendKeypressCounter > USB_TRANSFER_DIVIDER ) {
 		sendKeypressCounter = 0;
 		sendKeypresses = 1;
 	}
+
+#if defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) // ARM
+	// Clear the interrupt flag
+	PIT_TFLG0 = 1;
+#endif
 }