Initial STLcd code.

- Basic screen initialization and clear is working
- Currently SPI is set to a low speed for easy logic analyzer debugging

Bootloader/main.c

@@ -130,6 +130,28 @@ void main()
 	PORTB_PCR16 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
 	GPIOB_PSOR |= (1<<16);
 	*/
+	// RST
+	GPIOC_PDDR |= (1<<8);
+	PORTC_PCR8 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+	GPIOC_PSOR |= (1<<8);
+	/*
+	// CS1B
+	GPIOC_PDDR |= (1<<4);
+	PORTC_PCR4 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+	GPIOC_PCOR |= (1<<4);
+	*/
+	// Backlight
+	GPIOC_PDDR |= (1<<1);
+	PORTC_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+	GPIOC_PCOR |= (1<<1);
+	GPIOC_PDDR |= (1<<2);
+	PORTC_PCR2 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+	GPIOC_PCOR |= (1<<2);
+	GPIOC_PDDR |= (1<<3);
+	PORTC_PCR3 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+	GPIOC_PCOR |= (1<<3);
+
+
 
 	flash_prepare_flashing();
 

CMakeLists.txt

@@ -1,6 +1,6 @@
 ###| CMAKE Kiibohd Controller |###
 #
-# Jacob Alexander 2011-2014
+# Jacob Alexander 2011-2015
 # Due to this file's usefulness:
 #
 # Released into the Public Domain

Lib/mk20dx.h

@@ -1,7 +1,7 @@
 /* Teensyduino Core Library
  * http://www.pjrc.com/teensy/
  * Copyright (c) 2013 PJRC.COM, LLC.
- * Modified by Jacob Alexander 2014
+ * Modified by Jacob Alexander 2014-2015
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -1343,6 +1343,10 @@
 #define SPI_SR_TFFF                     (uint32_t)0x02000000            // Transmit FIFO Fill Flag
 #define SPI_SR_RFOF                     (uint32_t)0x00080000            // Receive FIFO Overflow Flag
 #define SPI_SR_RFDF                     (uint32_t)0x00020000            // Receive FIFO Drain Flag
+#define SPI_SR_TXCTR                    (uint32_t)0x0000F000            // Transmit FIFO Counter
+#define SPI_SR_TXNXTPTR                 (uint32_t)0x00000F00            // Transmit Next, Pointer
+#define SPI_SR_RXCTR                    (uint32_t)0x000000F0            // Receive FIFO Counter
+#define SPI_SR_POPNXTPTR                (uint32_t)0x0000000F            // Pop Next, Pointer
 #define SPI0_RSER               *(volatile uint32_t *)0x4002C030 // DSPI DMA/Interrupt Request Select and Enable Register
 #define SPI_RSER_TCF_RE                 (uint32_t)0x80000000            // Transmission Complete Request Enable
 #define SPI_RSER_EOQF_RE                (uint32_t)0x10000000            // DSPI Finished Request Request Enable

Scan/ISSILed/led_scan.c

@@ -56,9 +56,10 @@ typedef struct LED_Buffer {
 // ----- Function Declarations -----
 
 // CLI Functions
-void cliFunc_echo( char* args );
 void cliFunc_i2cRecv( char* args );
 void cliFunc_i2cSend( char* args );
+void cliFunc_ledPage( char* args );
+void cliFunc_ledStart( char* args );
 void cliFunc_ledTest( char* args );
 void cliFunc_ledZero( char* args );
 
@@ -74,12 +75,16 @@ uint8_t I2C_Send( uint8_t *data, uint8_t sendLen, uint8_t recvLen );
 // Scan Module command dictionary
 CLIDict_Entry( i2cRecv,     "Send I2C sequence of bytes and expect a reply of 1 byte on the last sequence." NL "\t\tUse |'s to split sequences with a stop." );
 CLIDict_Entry( i2cSend,     "Send I2C sequence of bytes. Use |'s to split sequences with a stop." );
+CLIDict_Entry( ledPage,     "Read the given register page." );
+CLIDict_Entry( ledStart,    "Disable software shutdown." );
 CLIDict_Entry( ledTest,     "Test out the led pages." );
 CLIDict_Entry( ledZero,     "Zero out LED register pages (non-configuration)." );
 
 CLIDict_Def( ledCLIDict, "ISSI LED Module Commands" ) = {
 	CLIDict_Item( i2cRecv ),
 	CLIDict_Item( i2cSend ),
+	CLIDict_Item( ledPage ),
+	CLIDict_Item( ledStart ),
 	CLIDict_Item( ledTest ),
 	CLIDict_Item( ledZero ),
 	{ 0, 0, 0 } // Null entry for dictionary end
@@ -97,7 +102,9 @@ volatile I2C_Buffer I2C_RxBuffer = { 0, 0, 0, I2C_RxBufferLength, (uint8_t*)I2C_
 
 LED_Buffer LED_pageBuffer;
 
+/*
 // A bit mask determining which LEDs are enabled in the ISSI chip
+// All channel mask example
 // 0x00 -> 0x11
 const uint8_t LED_ledEnableMask[] = {
 0xE8, // I2C address
@@ -112,7 +119,58 @@ const uint8_t LED_ledEnableMask[] = {
 0xFF, 0xFF, // C8-1 -> C8-16
 0xFF, 0xFF, // C9-1 -> C9-16
 };
+*/
 
+/*
+// A bit mask determining which LEDs are enabled in the ISSI chip
+// Infinity ErgoDox full mask
+// 0x00 -> 0x11
+const uint8_t LED_ledEnableMask[] = {
+0xE8, // I2C address
+0x00, // Starting register address
+0xFC, 0xFC, // C1-1 -> C1-16
+0xFB, 0xFB, // C2-1 -> C2-16
+0xFF, 0xFF, // C3-1 -> C3-16
+0xFE, 0xFE, // C4-1 -> C4-16
+0x7F, 0x7F, // C5-1 -> C5-16
+0xFF, 0xFF, // C6-1 -> C6-16
+0xCF, 0xCF, // C7-1 -> C7-16
+0xC7, 0xC7, // C8-1 -> C8-16
+0x43, 0x43, // C9-1 -> C9-16
+};
+*/
+const uint8_t LED_ledEnableMask[] = {
+0xE8, // I2C address
+0x00, // Starting register address
+0x00, 0x00, // C1-1 -> C1-16
+//0xEC, 0xEC, // C1-1 -> C1-16
+0x00, 0x00, // C2-1 -> C2-16
+0x00, 0x00, // C3-1 -> C3-16
+0x00, 0x00, // C4-1 -> C4-16
+0x00, 0x00, // C5-1 -> C5-16
+0x00, 0x00, // C6-1 -> C6-16
+0x08, 0x08, // C7-1 -> C7-16
+0x00, 0x00, // C8-1 -> C8-16
+0x00, 0x00, // C9-1 -> C9-16
+};
+
+
+// XXX Pre-fill example of buffers
+const uint8_t examplePage[] = {
+0xE8, // I2C address
+0x24, // Starting register address
+0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C1-1 -> C1-16
+0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C2-1 -> C2-16
+0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C3-1 -> C3-16
+0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C4-1 -> C4-16
+0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C5-1 -> C5-16
+0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C6-1 -> C6-16
+0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C7-1 -> C7-16
+0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C8-1 -> C8-16
+0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C9-1 -> C9-16
+};
+
+/*
 // XXX Pre-fill example of buffers
 const uint8_t examplePage[] = {
 0xE8, // I2C address
@@ -127,6 +185,7 @@ const uint8_t examplePage[] = {
 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, // C8-1 -> C8-16
 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, // C9-1 -> C9-16
 };
+*/
 
 
 
@@ -317,6 +376,34 @@ void LED_sendPage( uint8_t *buffer, uint8_t len, uint8_t page )
 
 }
 
+void LED_readPage( uint8_t len, uint8_t page )
+{
+	// Page Setup
+	uint8_t pageSetup[] = { 0xE8, 0xFD, page };
+
+	// Setup page
+	while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 )
+		delay(1);
+
+	// Register Setup
+	uint8_t regSetup[] = { 0xE8, 0x00 };
+
+	// Setup starting register
+	while ( I2C_Send( regSetup, sizeof( regSetup ), 0 ) == 0 )
+		delay(1);
+
+	// Register Read Command
+	uint8_t regReadCmd[] = { 0xE9 };
+
+	// Read each register in the page
+	for ( uint8_t reg = 0; reg < len; reg++ )
+	{
+		// Request register data
+		while ( I2C_Send( regReadCmd, sizeof( regReadCmd ), 0 ) == 0 )
+			delay(1);
+	}
+}
+
 void LED_writeReg( uint8_t reg, uint8_t val, uint8_t page )
 {
 	// Page Setup
@@ -342,6 +429,7 @@ inline void LED_setup()
 	// Initialize I2C
 	I2C_setup();
 
+	/* TODO Make work
 	// Zero out Frame Registers
 	// This needs to be done before disabling the hardware shutdown (or the leds will do undefined things)
 	LED_zeroPages( 0x0B, 1, 0x00, 0x0C ); // Control Registers
@@ -359,6 +447,7 @@ inline void LED_setup()
 
 	// Disable Software shutdown of ISSI chip
 	LED_writeReg( 0x0A, 0x01, 0x0B );
+	*/
 }
 
 
@@ -446,6 +535,9 @@ inline uint16_t I2C_BufferLen( I2C_Buffer *buffer )
 
 void I2C_BufferPush( uint8_t byte, I2C_Buffer *buffer )
 {
+	dbug_msg("DATA: ");
+	printHex( byte );
+
 	// Make sure buffer isn't full
 	if ( buffer->tail + 1 == buffer->head || ( buffer->head > buffer->tail && buffer->tail + 1 - buffer->size == buffer->head ) )
 	{
@@ -691,6 +783,38 @@ void cliFunc_i2cRecv( char* args )
 	I2C_Send( buffer, bufferLen, 1 ); // Only 1 byte is ever read at a time with the ISSI chip
 }
 
+void cliFunc_ledPage( char* args )
+{
+	// Parse number from argument
+	//  NOTE: Only first argument is used
+	char* arg1Ptr;
+	char* arg2Ptr;
+	CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
+
+	// Default to 0 if no argument is given
+	uint8_t page = 0;
+
+	if ( arg1Ptr[0] != '\0' )
+	{
+		 page = (uint8_t)numToInt( arg1Ptr );
+	}
+
+	// No \r\n by default after the command is entered
+	print( NL );
+
+	LED_readPage( 0xB4, page );
+}
+
+void cliFunc_ledStart( char* args )
+{
+	print( NL ); // No \r\n by default after the command is entered
+	LED_zeroPages( 0x0B, 1, 0x00, 0x0C ); // Control Registers
+	//LED_zeroPages( 0x00, 8, 0x00, 0xB4 ); // LED Registers
+	LED_writeReg( 0x0A, 0x01, 0x0B );
+	LED_sendPage( (uint8_t*)LED_ledEnableMask, sizeof( LED_ledEnableMask ), 0 );
+
+}
+
 void cliFunc_ledTest( char* args )
 {
 	print( NL ); // No \r\n by default after the command is entered

Scan/STLcd/lcd_scan.c

@@ -0,0 +1,336 @@
+/* Copyright (C) 2015 by Jacob Alexander
+ *
+ * This file is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// ----- Includes -----
+
+// Compiler Includes
+#include <Lib/ScanLib.h>
+
+// Project Includes
+#include <cli.h>
+#include <led.h>
+#include <print.h>
+
+// Local Includes
+#include "lcd_scan.h"
+
+
+
+// ----- Defines -----
+
+#define LCD_TOTAL_VISIBLE_PAGES 4
+#define LCD_PAGE_LEN 132
+
+
+
+// ----- Macros -----
+
+// Number of entries in the SPI0 TxFIFO
+#define SPI0_TxFIFO_CNT ( ( SPI0_SR & SPI_SR_TXCTR ) >> 12 )
+
+
+
+// ----- Structs -----
+
+// ----- Function Declarations -----
+
+// CLI Functions
+void cliFunc_lcdCmd( char* args );
+void cliFunc_lcdInit( char* args );
+void cliFunc_lcdTest( char* args );
+
+
+
+// ----- Variables -----
+
+// Full Toggle State
+uint8_t cliFullToggleState = 0;
+
+// Normal/Reverse Toggle State
+uint8_t cliNormalReverseToggleState = 0;
+
+// Scan Module command dictionary
+CLIDict_Entry( lcdCmd,      "Send byte via SPI, second argument enables a0. Defaults to control." );
+CLIDict_Entry( lcdInit,     "Re-initialize the LCD display." );
+CLIDict_Entry( lcdTest,     "Test out the LCD display." );
+
+CLIDict_Def( lcdCLIDict, "ST LCD Module Commands" ) = {
+	CLIDict_Item( lcdCmd ),
+	CLIDict_Item( lcdInit ),
+	CLIDict_Item( lcdTest ),
+	{ 0, 0, 0 } // Null entry for dictionary end
+};
+
+
+
+// ----- Interrupt Functions -----
+
+
+
+// ----- Functions -----
+
+inline void SPI_setup()
+{
+	// Enable SPI internal clock
+	SIM_SCGC6 |= SIM_SCGC6_SPI0;
+
+	// Setup MOSI (SOUT) and SCLK (SCK)
+	PORTC_PCR6 = PORT_PCR_DSE | PORT_PCR_MUX(2);
+	PORTC_PCR5 = PORT_PCR_DSE | PORT_PCR_MUX(2);
+
+	// Setup SS (PCS)
+	PORTC_PCR4 = PORT_PCR_DSE | PORT_PCR_MUX(2);
+
+	// Master Mode, CS0
+	SPI0_MCR = SPI_MCR_MSTR | SPI_MCR_PCSIS(1);
+
+	// DSPI Clock and Transfer Attributes
+	// Frame Size: 8 bits
+	// MSB First
+	// CLK Low by default
+	SPI0_CTAR0 = SPI_CTAR_FMSZ(7)
+		| SPI_CTAR_ASC(7)
+		| SPI_CTAR_DT(7)
+		| SPI_CTAR_CSSCK(7)
+		| SPI_CTAR_PBR(0) | SPI_CTAR_BR(7);
+}
+
+// Write buffer to SPI FIFO
+void SPI_write( uint8_t *buffer, uint8_t len )
+{
+
+	for ( uint8_t byte = 0; byte < len; byte++ )
+	{
+		// Wait for SPI TxFIFO to have 4 or fewer entries
+		while ( !( SPI0_SR & SPI_SR_TFFF ) )
+			delayMicroseconds(10);
+
+		// Write byte to TxFIFO
+		// CS0, CTAR0
+		SPI0_PUSHR = ( buffer[ byte ] & 0xff ) | SPI_PUSHR_PCS(1);
+
+		// Indicate transfer has completed
+		while ( !( SPI0_SR & SPI_SR_TCF ) );
+		SPI0_SR |= SPI_SR_TCF;
+	}
+}
+
+// Write to a control register
+void LCD_writeControlReg( uint8_t byte )
+{
+	// Wait for TxFIFO to be empt
+	while ( SPI0_TxFIFO_CNT != 0 );
+
+	// Set A0 low to enter control register mode
+	GPIOC_PCOR |= (1<<7);
+
+	// Write byte to SPI FIFO
+	SPI_write( &byte, 1 );
+
+	// Wait for TxFIFO to be empty
+	while ( SPI0_TxFIFO_CNT != 0 );
+
+	// Make sure data has transferred
+	delayMicroseconds(10); // XXX Adjust if SPI speed changes
+
+	// Set A0 high to go back to display register mode
+	GPIOC_PSOR |= (1<<7);
+}
+
+// Write to display register
+// Pages 0-7 normal display
+// Page  8   icon buffer
+void LCD_writeDisplayReg( uint8_t page, uint8_t *buffer, uint8_t len )
+{
+	// Set the register page
+	LCD_writeControlReg( 0xB0 | ( 0x0F & page ) );
+
+	// Write buffer to SPI
+	SPI_write( buffer, len );
+}
+
+inline void LCD_clearPage( uint8_t page )
+{
+	// Set the register page
+	LCD_writeControlReg( 0xB0 | ( 0x0F & page ) );
+
+	// Set display start line
+	LCD_writeControlReg( 0x40 );
+
+	// Reset Column Address
+	LCD_writeControlReg( 0x10 );
+	LCD_writeControlReg( 0x00 );
+
+	for ( uint8_t page_reg = 0; page_reg < LCD_PAGE_LEN; page_reg++ )
+	{
+		uint8_t byte = 0;
+
+		// Write buffer to SPI
+		SPI_write( &byte, 1 );
+	}
+
+	// Wait for TxFIFO to be empty
+	while ( SPI0_TxFIFO_CNT != 0 );
+}
+
+// Clear Display
+void LCD_clear()
+{
+	// Setup each page
+	for ( uint8_t page = 0; page < LCD_TOTAL_VISIBLE_PAGES; page++ )
+	{
+		LCD_clearPage( page );
+	}
+
+	// Reset Page, Start Line, and Column Address
+	// Page
+	LCD_writeControlReg( 0xB0 );
+
+	// Start Line
+	LCD_writeControlReg( 0x40 );
+
+	// Reset Column Address
+	LCD_writeControlReg( 0x10 );
+	LCD_writeControlReg( 0x00 );
+}
+
+// Intialize display
+void LCD_initialize()
+{
+	// ADC Select (Normal)
+	LCD_writeControlReg( 0xA0 );
+
+	// LCD Off
+	LCD_writeControlReg( 0xAE );
+
+	// COM Scan Output Direction
+	LCD_writeControlReg( 0xC0 );
+
+	// LCD Bias (1/6 bias)
+	LCD_writeControlReg( 0xA2 );
+
+	// Power Supply Operating Mode (Internal Only)
+	LCD_writeControlReg( 0x2F );
+
+	// Internal Rb/Ra Ratio
+	LCD_writeControlReg( 0x26 );
+
+	// Reset
+	LCD_writeControlReg( 0xE2 );
+
+	// Electric volume mode set, and value
+	LCD_writeControlReg( 0x81 );
+	LCD_writeControlReg( 0x00 );
+
+	// LCD On
+	LCD_writeControlReg( 0xAF );
+
+	// Clear Display RAM
+	LCD_clear();
+}
+
+// Setup
+inline void LCD_setup()
+{
+	// Register Scan CLI dictionary
+	CLI_registerDictionary( lcdCLIDict, lcdCLIDictName );
+
+	// Initialize SPI
+	SPI_setup();
+
+
+	// Setup Register Control Signal (A0)
+	// Start in display register mode (1)
+	GPIOC_PDDR |= (1<<7);
+	PORTC_PCR7 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+	GPIOC_PSOR |= (1<<7);
+
+	// Setup LCD Reset pin (RST)
+	// 0 - Reset, 1 - Normal Operation
+	// Start in normal mode (1)
+	GPIOC_PDDR |= (1<<8);
+	PORTC_PCR8 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
+	GPIOC_PSOR |= (1<<8);
+
+	// Run LCD intialization sequence
+	LCD_initialize();
+}
+
+
+// LCD State processing loop
+inline uint8_t LCD_scan()
+{
+	// NOP - Screen Refresh
+	//LCD_writeControlReg( 0xE3 );
+	return 0;
+}
+
+
+
+// ----- CLI Command Functions -----
+
+void cliFunc_lcdInit( char* args )
+{
+	print( NL ); // No \r\n by default after the command is entered
+	LCD_initialize();
+}
+
+void cliFunc_lcdTest( char* args )
+{
+	print( NL ); // No \r\n by default after the command is entered
+
+	//LCD_initialize();
+	// Test pattern
+	uint8_t pattern[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+	//uint8_t pattern[] = { 0xFF, 0x00, 0x96, 0xFF, 0x00, 0xFF, 0x00 };
+
+	// Write to page D0
+	LCD_writeDisplayReg( 0, pattern, sizeof( pattern ) );
+}
+
+void cliFunc_lcdCmd( char* args )
+{
+	char* curArgs;
+	char* arg1Ptr;
+	char* arg2Ptr = args;
+
+	print( NL ); // No \r\n by default after the command is entered
+
+	curArgs = arg2Ptr; // Use the previous 2nd arg pointer to separate the next arg from the list
+	CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr );
+
+	// No args
+	if ( *arg1Ptr == '\0' )
+		return;
+
+	// SPI Command
+	uint8_t cmd = (uint8_t)numToInt( arg1Ptr );
+
+	curArgs = arg2Ptr; // Use the previous 2nd arg pointer to separate the next arg from the list
+	CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr );
+
+	// Single Arg
+	if ( *arg1Ptr == '\0' )
+		goto cmd;
+
+	// TODO Deal with a0
+cmd:
+	info_msg("Sending - ");
+	printHex( cmd );
+	print( NL );
+	LCD_writeControlReg( cmd );
+}
+

Scan/STLcd/lcd_scan.h

@@ -0,0 +1,34 @@
+/* Copyright (C) 2015 by Jacob Alexander
+ *
+ * This file is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __LCD_SCAN_H
+#define __LCD_SCAN_H
+
+// ----- Includes -----
+
+// Compiler Includes
+#include <stdint.h>
+
+
+
+// ----- Functions -----
+
+void LCD_setup();
+uint8_t LCD_scan();
+
+
+#endif // __LCD_SCAN_H
+

Scan/STLcd/setup.cmake

@@ -0,0 +1,31 @@
+###| CMake Kiibohd Controller Scan Module |###
+#
+# Written by Jacob Alexander in 2014-2015 for the Kiibohd Controller
+#
+# Released into the Public Domain
+#
+###
+
+
+###
+# Sub-module flag, cannot be included stand-alone
+#
+set ( SubModule 1 )
+
+
+###
+# Module C files
+#
+
+set( Module_SRCS
+	lcd_scan.c
+)
+
+
+###
+# Compiler Family Compatibility
+#
+set( ModuleCompatibility
+	arm
+)
+