/* * Copyright (c) 2012, Texas Instruments Incorporated - http://www.ti.com/ * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. */ /** \addtogroup cc2538-char-io * @{ */ /** * \file * Implementation of arch-specific functions required by the dbg_io API in * cpu/arm/common/dbg-io */ #include "contiki.h" #include "dbg.h" #include "dev/uart.h" #include "usb/usb-serial.h" #include <stdio.h> /*---------------------------------------------------------------------------*/ #ifndef DBG_CONF_USB #define DBG_CONF_USB 0 #endif #if DBG_CONF_USB #define write_byte(b) usb_serial_writeb(b) #define flush() usb_serial_flush() #else #define write_byte(b) uart_write_byte(DBG_CONF_UART, b) #define flush() #endif /*---------------------------------------------------------------------------*/ #undef putchar #undef puts #define SLIP_END 0300 /*---------------------------------------------------------------------------*/ int putchar(int c) { #if DBG_CONF_SLIP_MUX static char debug_frame = 0; if(!debug_frame) { write_byte(SLIP_END); write_byte('\r'); debug_frame = 1; } #endif write_byte(c); if(c == '\n') { #if DBG_CONF_SLIP_MUX write_byte(SLIP_END); debug_frame = 0; #endif dbg_flush(); } return c; } /*---------------------------------------------------------------------------*/ unsigned int dbg_send_bytes(const unsigned char *s, unsigned int len) { unsigned int i = 0; while(s && *s != 0) { if(i >= len) { break; } putchar(*s++); i++; } return i; } /*---------------------------------------------------------------------------*/ int puts(const char *s) { unsigned int i = 0; while(s && *s != 0) { putchar(*s++); i++; } putchar('\n'); return i; } /*---------------------------------------------------------------------------*/ /** @} */