// ----- 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 );
// 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
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
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
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
};
+*/
}
+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
// 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
// Disable Software shutdown of ISSI chip
LED_writeReg( 0x0A, 0x01, 0x0B );
+ */
}
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 ) )
{
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
--- /dev/null
+/* 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 );
+}
+
projects / kiibohd-controller.git / commitdiff