/* debug_avr.c */ /* Beacon debug interface. {{{ * * Copyright (C) 2012 Florent Duchon * * APBTeam: * Web: http://apbteam.org/ * Email: team AT apbteam DOT org * * This program 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 2 of the License, or * (at your option) any later version. * * This program 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 program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * }}} */ #include #include #include #include "configuration.h" #include "print.h" #include "debug_avr.h" #include "codewheel.h" #include "reset.h" HAL_UsartDescriptor_t appUsartDescriptor; // USART descriptor (required by stack) static HAL_AppTimer_t debugTimer; // TIMER descripor used by the DEBUG task uint8_t usartRxBuffer[APP_USART_RX_BUFFER_SIZE]; // USART Rx buffer uint8_t usartTxBuffer[APP_USART_TX_BUFFER_SIZE]; // USART Tx buffer uint8_t debug_network = 0; uint8_t debug_network_enable = 0; /* This function initializes the USART interface for debugging on avr */ void initSerialInterface(void) { appUsartDescriptor.tty = USART_CHANNEL; appUsartDescriptor.mode = USART_MODE_ASYNC; appUsartDescriptor.baudrate = USART_BAUDRATE_38400; appUsartDescriptor.dataLength = USART_DATA8; appUsartDescriptor.parity = USART_PARITY_EVEN; appUsartDescriptor.stopbits = USART_STOPBIT_1; appUsartDescriptor.rxBuffer = usartRxBuffer; appUsartDescriptor.rxBufferLength = sizeof(usartRxBuffer); appUsartDescriptor.txBuffer = NULL; // use callback mode appUsartDescriptor.txBufferLength = 0; appUsartDescriptor.rxCallback = usartRXCallback; appUsartDescriptor.txCallback = usartTXCallback; appUsartDescriptor.flowControl = USART_FLOW_CONTROL_NONE; OPEN_USART(&appUsartDescriptor); } /* RX USART Callback */ void usartRXCallback(uint16_t bytesToRead) { uint8_t rxBuffer; /* Read RX buffer from HAL */ READ_USART(&appUsartDescriptor,&rxBuffer,bytesToRead); switch(rxBuffer) { case 'd': debug_start_stop_task(); break; case 'z': codewheel_reset(); break; /* Default */ default : uprintf(" ?? Unknown command ??\r\n"); break; } } /* This function starts the debug task */ void debug_start_stop_task(void) { static bool debug_task_running = 0; if(debug_task_running == 0) { debugTimer.interval = DEBUG_TASK_PERIOD; debugTimer.mode = TIMER_REPEAT_MODE; debugTimer.callback = debug_task; HAL_StartAppTimer(&debugTimer); debug_task_running = 1; } else { HAL_StopAppTimer(&debugTimer); debug_task_running = 0; } } /* Debug task callback */ void debug_task(void) { uprintf("------------------------- debug TASK -------------------------\r\n"); uprintf("## Codewheel\r\n"); uprintf("State = %d - Raw = %d - Degree = %f\r\n",codewheel_get_state(),codewheel_get_value(),codewheel_convert_angle_raw2degrees(codewheel_get_value())); }