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- /* Copyright (C) 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
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
- // ----- Includes -----
-
- // Compiler Includes
- #include <Lib/ScanLib.h>
-
- // Project Includes
- #include <cli.h>
- #include <led.h>
- #include <print.h>
-
- // Local Includes
- #include "scan_loop.h"
-
-
-
- // ----- Defines -----
-
-
-
- // ----- Macros -----
-
-
-
- // ----- Function Declarations -----
-
- void cliFunc_dac ( char* args );
- void cliFunc_dacVref( char* args );
- void cliFunc_echo ( char* args );
-
-
-
- // ----- Variables -----
-
- // Buffer used to inform the macro processing module which keys have been detected as pressed
- volatile uint8_t KeyIndex_Buffer[KEYBOARD_BUFFER];
- volatile uint8_t KeyIndex_BufferUsed;
-
-
- // Scan Module command dictionary
- char* scanCLIDictName = "ADC Test Module Commands";
- CLIDictItem scanCLIDict[] = {
- #if defined(_mk20dx256_) // DAC is only supported on Teensy 3.1
- { "dac", "Set DAC output value, from 0 to 4095 (1/4096 Vref to Vref).", cliFunc_dac },
- { "dacVref", "Set DAC Vref. 0 is 1.2V. 1 is 3.3V.", cliFunc_dacVref },
- #endif
- { "echo", "Example command, echos the arguments.", cliFunc_echo },
- { 0, 0, 0 } // Null entry for dictionary end
- };
-
-
-
- // ----- Functions -----
-
- // Setup
- inline void Scan_setup()
- #if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_) // AVR
- {
- // Register Scan CLI dictionary
- CLI_registerDictionary( scanCLIDict, scanCLIDictName );
- }
- #elif defined(_mk20dx128_) || defined(_mk20dx256_) // ARM
- {
- // Register Scan CLI dictionary
- CLI_registerDictionary( scanCLIDict, scanCLIDictName );
-
- #if defined(_mk20dx256_) // DAC is only supported on Teensy 3.1
- // DAC Setup
- SIM_SCGC2 |= SIM_SCGC2_DAC0;
- DAC0_C0 = DAC_C0_DACEN | DAC_C0_DACRFS; // 3.3V VDDA is DACREF_2
- #endif
- }
- #endif
-
-
- // Main Detection Loop
- inline uint8_t Scan_loop()
- {
- return 0;
- }
-
-
- // Signal KeyIndex_Buffer that it has been properly read
- void Scan_finishedWithBuffer( uint8_t sentKeys )
- {
- }
-
-
- // Signal that the keys have been properly sent over USB
- void Scan_finishedWithUSBBuffer( uint8_t sentKeys )
- {
- }
-
- // Reset Keyboard
- void Scan_resetKeyboard()
- {
- }
-
-
- // ----- CLI Command Functions -----
-
- // XXX Just an example command showing how to parse arguments (more complex than generally needed)
- void cliFunc_echo( char* args )
- {
- char* curArgs;
- char* arg1Ptr;
- char* arg2Ptr = args;
-
- print( NL ); // No \n by default after the command is entered
-
- // Parse args until a \0 is found
- while ( 1 )
- {
- curArgs = arg2Ptr; // Use the previous 2nd arg pointer to separate the next arg from the list
- CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr );
-
- // Stop processing args if no more are found
- if ( *arg1Ptr == '\0' )
- break;
-
- // Print out the arg
- dPrint( arg1Ptr );
- }
- }
-
- void cliFunc_dac( char* args )
- {
- #if defined(_mk20dx256_) // DAC is only supported on Teensy 3.1
- // Parse code from argument
- // NOTE: Only first argument is used
- char* arg1Ptr;
- char* arg2Ptr;
- CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
-
- int dacOut = decToInt( arg1Ptr );
-
- // Make sure the value is between 0 and 4096, otherwise ignore
- if ( dacOut >= 0 && dacOut <= 4095 )
- {
- *(int16_t *) &(DAC0_DAT0L) = dacOut;
- }
- #endif
- }
-
- void cliFunc_dacVref( char* args )
- {
- #if defined(_mk20dx256_) // DAC is only supported on Teensy 3.1
- // Parse code from argument
- // NOTE: Only first argument is used
- char* arg1Ptr;
- char* arg2Ptr;
- CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr );
-
- switch ( decToInt( arg1Ptr ) )
- {
- case 0:
- // XXX Doesn't seem to work...
- DAC0_C0 = DAC_C0_DACEN; // 1.2V ref is DACREF_1
- break;
- case 1:
- DAC0_C0 = DAC_C0_DACEN | DAC_C0_DACRFS; // 3.3V VDDA is DACREF_2
- break;
- }
- #endif
- }
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