/* debug.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 "configuration.h" #include "debug.h" HAL_UsartDescriptor_t appUsartDescriptor; // USART descriptor (required by stack) uint8_t usartRxBuffer[APP_USART_RX_BUFFER_SIZE]; // USART Rx buffer uint8_t usartTxBuffer[APP_USART_TX_BUFFER_SIZE]; // USART Tx buffer /* 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 = NULL; appUsartDescriptor.flowControl = USART_FLOW_CONTROL_NONE; OPEN_USART(&appUsartDescriptor); } /* RX USART Callback */ void usartRXCallback(uint16_t bytesToRead) { uint8_t rxBuffer; READ_USART(&appUsartDescriptor,&rxBuffer,1); switch(rxBuffer) { case 'o': break; /* Default */ default : uprintf(" ?? Unknown command ??\r\n"); } } #include /* This function sends data string via the USART interface */ void uprintf(char *format, ...) { va_list args; va_start(args,format); vsprintf(usartTxBuffer,format,args); WRITE_USART(&appUsartDescriptor,usartTxBuffer,strlen(usartTxBuffer)); va_end(args); }