| /** |
| * \file |
| * |
| * \brief STDIO redirection |
| * |
| * Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries. |
| * |
| * \asf_license_start |
| * |
| * \page License |
| * |
| * Subject to your compliance with these terms, you may use Microchip |
| * software and any derivatives exclusively with Microchip products. |
| * It is your responsibility to comply with third party license terms applicable |
| * to your use of third party software (including open source software) that |
| * may accompany Microchip software. |
| * |
| * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, |
| * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, |
| * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, |
| * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE |
| * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL |
| * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE |
| * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE |
| * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT |
| * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY |
| * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY, |
| * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE. |
| * |
| * \asf_license_stop |
| * |
| */ |
| |
| #include <stdio_io.h> |
| #include <stdio.h> |
| |
| #ifndef _UNIT_TEST_ |
| #include <yfuns.h> |
| #else |
| #define _STD_BEGIN |
| #define _STD_END |
| #define _LLIO_ERROR ((size_t)-1) /* For __read and __write. */ |
| #define _LLIO_STDIN 0 |
| #define _LLIO_STDOUT 1 |
| #define _LLIO_STDERR 2 |
| #endif |
| |
| #if (__VER__ < 8010000) |
| /* Refer http://ftp.iar.se/WWWfiles/arm/webic/doc/EWARM_MigrationGuide.ENU.pdf */ |
| _STD_BEGIN |
| #endif |
| |
| #pragma module_name = "?__read" |
| |
| /*! \brief Reads a number of bytes, at most \a size, into the memory area |
| * pointed to by \a buffer. |
| * |
| * \param handle File handle to read from. |
| * \param buffer Pointer to buffer to write read bytes to. |
| * \param size Number of bytes to read. |
| * |
| * \return The number of bytes read, \c 0 at the end of the file, or |
| * \c _LLIO_ERROR on failure. |
| */ |
| size_t __read(int handle, unsigned char *buffer, size_t size) |
| { |
| int n = 0; |
| /* This implementation only reads from stdin. |
| * For all other file handles, it returns failure. */ |
| if (handle != _LLIO_STDIN) { |
| return _LLIO_ERROR; |
| } |
| |
| n = stdio_io_read((uint8_t *)buffer, size); |
| if (n < 0) { |
| return _LLIO_ERROR; |
| } |
| return n; |
| } |
| |
| /*! \brief This routine is required by IAR DLIB library since EWAVR V6.10 |
| * the implementation is empty to be compatible with old IAR version. |
| */ |
| int __close(int handle) |
| { |
| (void)(handle); |
| return 0; |
| } |
| |
| #ifndef __GNUC__ |
| /*! \brief This routine is required by IAR DLIB library since EWAVR V6.10 |
| * the implementation is empty to be compatible with old IAR version. |
| */ |
| int remove(const char *val) |
| { |
| (void)(val); |
| return 0; |
| } |
| #endif |
| |
| /*! \brief This routine is required by IAR DLIB library since EWAVR V6.10 |
| * the implementation is empty to be compatible with old IAR version. |
| */ |
| long __lseek(int handle, long val, int val2) |
| { |
| (void)(handle); |
| (void)(val2); |
| return val; |
| } |
| |
| #if (__VER__ < 8010000) |
| /* Refer http://ftp.iar.se/WWWfiles/arm/webic/doc/EWARM_MigrationGuide.ENU.pdf */ |
| _STD_END |
| #endif |