root / branches / init_refactor / code / projects / libdragonfly / dragonfly_lib.c @ 1543
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/**
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* Copyright (c) 2007 Colony Project
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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**/
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/**
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* @file dragonfly_lib.c
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* @brief Dragonfly initialization
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*
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* Contains implementation of dragonfly_init.
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*
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* @author Colony Project, CMU Robotics Club
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**/
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#include "dragonfly_lib.h" |
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/* init_dragonfly - Initializes functions based on configuration parameters
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examples:
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init_dragonfly (0, 0, 0); - just initialize the digital IO (buttons, potentiometer)
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init_dragonfly (ANALOG | SERIAL | BUZZER, C0_C1_ANALOG, BAUD115200);
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Initialize ADC and set C0 and C1 as analog inputs. Initialize serial and set baud rate
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to 115200 bps. Initialize the buzzer.
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init_dragonfly (MOTORS | ORB, 0, 0);
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Initialize motor driving and the color fading abilities of the ORB. */
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/**
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* @defgroup dragonfly Dragonfly
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* @brief General Dragonfly Functions
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* General functions for the dragonfly. Include
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* dragonfly_lib.h to access these functions.
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*
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* @{
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**/
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/**
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* Initializes the components specified by config.
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*
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* @see analog_init, usb_init, xbee_init, buzzer_init,
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* bom_init, orb_init, motors_init, lcd_init, encoders_init
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**/
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void flash_red(void); |
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int dragonfly_init(int config) |
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{ |
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int ret = 0; |
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DRAGONFLY_DEBUG_PRINT("in dragonfly_init\r\n");
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sei(); |
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// Set directionality of various IO pins
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DDRG &= ~(_BV(PING0)|_BV(PING1)); |
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PORTG |= _BV(PING0)|_BV(PING1); |
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if(config & ANALOG) {
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if((ret = analog_init(ADC_START))) {
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DRAGONFLY_DEBUG_PRINT("analog_init returned ");
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DRAGONFLY_DEBUG_PRINT_INT(ret); |
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DRAGONFLY_DEBUG_PRINT_STR("\r\n");
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} |
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/*TODO: return error already init'd or maybe something else if
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one of these inits returns that? */
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} |
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if(config & COMM)
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{ |
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//Defaults to 115200. Check serial.h for more information.
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if((ret = usb_init())) {
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DRAGONFLY_DEBUG_PRINT("usb_init returned ");
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DRAGONFLY_DEBUG_PRINT_INT(ret); |
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DRAGONFLY_DEBUG_PRINT_STR("\r\n");
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} |
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if((ret = xbee_init())) {
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DRAGONFLY_DEBUG_PRINT("xbee_init returned ");
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DRAGONFLY_DEBUG_PRINT_INT(ret); |
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DRAGONFLY_DEBUG_PRINT_STR("\r\n");
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} |
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} |
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if(config & BUZZER)
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{ |
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//sei(); This is already done above
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buzzer_init(); |
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} |
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if(config & ORB)
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{ |
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//sei(); This is already done above
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orb_init(); |
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} |
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if(config & MOTORS) {
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if((ret = motors_init())) {
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DRAGONFLY_DEBUG_PRINT("motors_init returned ");
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DRAGONFLY_DEBUG_PRINT_INT(ret); |
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DRAGONFLY_DEBUG_PRINT_STR("\r\n");
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} |
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} |
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if(config & LCD) {
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lcd_init(); |
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} |
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if(config & RANGE) {
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if((ret = range_init())) {
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DRAGONFLY_DEBUG_PRINT("range_init returned ");
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DRAGONFLY_DEBUG_PRINT_INT(ret); |
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DRAGONFLY_DEBUG_PRINT_STR("\r\n");
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} |
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} |
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if(config & BOM)
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{ |
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unsigned char bom_read = get_bom_type(); |
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DRAGONFLY_DEBUG_PRINT("Got BOM type ");
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DRAGONFLY_DEBUG_PRINT_INT(bom_read); |
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DRAGONFLY_DEBUG_PRINT_STR("\r\n");
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if(bom_read == 0xFF) { |
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//warn that bom initialization failed
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DRAGONFLY_DEBUG_PRINT("WARNING: invalid BOM type!\r\n");
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flash_red(); |
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return ERROR_INIT_FAILED;
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} |
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else {
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if ((ret = bom_init(bom_read))) {
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DRAGONFLY_DEBUG_PRINT("bom_init returned ");
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DRAGONFLY_DEBUG_PRINT_INT(ret); |
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DRAGONFLY_DEBUG_PRINT_STR("\r\n");
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return ERROR_INIT_FAILED;
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} |
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} |
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} |
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if (config & ENCODERS)
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{ |
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if((ret = encoders_init())) {
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DRAGONFLY_DEBUG_PRINT("encoders_init returned ");
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DRAGONFLY_DEBUG_PRINT_INT(ret); |
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DRAGONFLY_DEBUG_PRINT_STR("\r\n");
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} |
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} |
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DRAGONFLY_DEBUG_PRINT("dragonfly_init complete\r\n");
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// delay a bit for stability
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_delay_ms(1);
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return 0; |
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} |
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//flash lights red three times and restore ports
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void flash_red(void) |
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{ |
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cli(); |
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char dd = DDRC;
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char po = PORTC;
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char i;
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DDRC = 0x77;
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for(i = 0; i<3; i++) |
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{ |
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PORTC = 0x77;
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delay_ms(300);
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PORTC = 0x66;
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delay_ms(300);
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} |
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DDRC = dd; |
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PORTC = po; |
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sei(); |
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} |
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/** @} **/ //end defgroup |
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