X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=FreeRTOS%2FDemo%2FCORTEX_A9_Zynq_ZC702%2FRTOSDemo_bsp%2Fps7_cortexa9_0%2Flibsrc%2Fstandalone_v5_4%2Fsrc%2Fread.c;fp=FreeRTOS%2FDemo%2FCORTEX_A9_Zynq_ZC702%2FRTOSDemo_bsp%2Fps7_cortexa9_0%2Flibsrc%2Fstandalone_v5_4%2Fsrc%2Fread.c;h=1cad3272aee6392476fe57f6ae378a550b431451;hb=4b6d6a375e02a47e688b19b2d71f30bcdad4df66;hp=0000000000000000000000000000000000000000;hpb=ad183844de6b1178bb547f3d2149a34fd02e5195;p=freertos diff --git a/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo_bsp/ps7_cortexa9_0/libsrc/standalone_v5_4/src/read.c b/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo_bsp/ps7_cortexa9_0/libsrc/standalone_v5_4/src/read.c new file mode 100644 index 000000000..1cad3272a --- /dev/null +++ b/FreeRTOS/Demo/CORTEX_A9_Zynq_ZC702/RTOSDemo_bsp/ps7_cortexa9_0/libsrc/standalone_v5_4/src/read.c @@ -0,0 +1,112 @@ +/****************************************************************************** +* +* Copyright (C) 2009 - 2015 Xilinx, Inc. All rights reserved. +* +* 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. +* +* Use of the Software is limited solely to applications: +* (a) running on a Xilinx device, or +* (b) that interact with a Xilinx device through a bus or interconnect. +* +* 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 +* XILINX 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. +* +* Except as contained in this notice, the name of the Xilinx shall not be used +* in advertising or otherwise to promote the sale, use or other dealings in +* this Software without prior written authorization from Xilinx. +* +******************************************************************************/ + +/* read.c -- read bytes from a input device. + */ +#ifndef UNDEFINE_FILE_OPS +#include "xil_printf.h" +#include "xparameters.h" + +#ifdef __cplusplus +extern "C" { + __attribute__((weak)) s32 _read (s32 fd, char8* buf, s32 nbytes); +} +#endif + +/* + * read -- read bytes from the serial port. Ignore fd, since + * we only have stdin. + */ +__attribute__((weak)) s32 +read (s32 fd, char8* buf, s32 nbytes) +{ +#ifdef STDIN_BASEADDRESS + s32 i; + char8* LocalBuf = buf; + + (void)fd; + for (i = 0; i < nbytes; i++) { + if(LocalBuf != NULL) { + LocalBuf += i; + } + if(LocalBuf != NULL) { + *LocalBuf = inbyte(); + if ((*LocalBuf == '\n' )|| (*LocalBuf == '\r')) { + break; + } + } + if(LocalBuf != NULL) { + LocalBuf -= i; + } + } + + return (i + 1); +#else + (void)fd; + (void)buf; + (void)nbytes; + return 0; +#endif +} + +__attribute__((weak)) s32 +_read (s32 fd, char8* buf, s32 nbytes) +{ +#ifdef STDIN_BASEADDRESS + s32 i; + char8* LocalBuf = buf; + + (void)fd; + for (i = 0; i < nbytes; i++) { + if(LocalBuf != NULL) { + LocalBuf += i; + } + if(LocalBuf != NULL) { + *LocalBuf = inbyte(); + if ((*LocalBuf == '\n' )|| (*LocalBuf == '\r')) { + break; + } + } + if(LocalBuf != NULL) { + LocalBuf -= i; + } + } + + return (i + 1); +#else + (void)fd; + (void)buf; + (void)nbytes; + return 0; +#endif +} +#endif