| /* |
| * Copyright (c) 2017, The OpenThread Authors. |
| * 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. |
| */ |
| #include <openthread-core-config.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <openthread/config.h> |
| |
| #include <openthread/platform/alarm-milli.h> |
| #include <openthread/platform/debug_uart.h> |
| #include <openthread/platform/toolchain.h> |
| |
| /* |
| * Implementation note: |
| * These are all "weak" so that a platform may if it chooses override the instance. |
| */ |
| |
| OT_TOOL_WEAK |
| void otPlatDebugUart_printf(const char *fmt, ...) |
| { |
| va_list ap; |
| va_start(ap, fmt); |
| otPlatDebugUart_vprintf(fmt, ap); |
| va_end(ap); |
| } |
| |
| OT_TOOL_WEAK |
| void otPlatDebugUart_vprintf(const char *fmt, va_list ap) |
| { |
| char buf[128]; |
| /* by standard ... |
| * vsnprintf() always null terminates |
| */ |
| vsnprintf(buf, sizeof(buf), fmt, ap); |
| /* however ... some platforms have bugs */ |
| buf[sizeof(buf) - 1] = 0; |
| otPlatDebugUart_puts_no_nl(buf); |
| } |
| |
| OT_TOOL_WEAK |
| void otPlatDebugUart_write_bytes(const uint8_t *pBytes, int nBytes) |
| { |
| while (nBytes > 0) |
| { |
| otPlatDebugUart_putchar((int)(*pBytes)); |
| pBytes++; |
| nBytes--; |
| } |
| } |
| |
| OT_TOOL_WEAK |
| void otPlatDebugUart_puts_no_nl(const char *s) |
| { |
| while (*s) |
| { |
| otPlatDebugUart_putchar(*s); |
| s++; |
| } |
| } |
| |
| OT_TOOL_WEAK |
| void otPlatDebugUart_puts(const char *s) |
| { |
| otPlatDebugUart_puts_no_nl(s); |
| otPlatDebugUart_putchar('\n'); |
| } |
| |
| OT_TOOL_WEAK |
| void otPlatDebugUart_putchar(int c) |
| { |
| /* map lf to crlf as needed */ |
| if (c == '\n') |
| { |
| otPlatDebugUart_putchar_raw('\r'); |
| } |
| |
| otPlatDebugUart_putchar_raw(c); |
| } |
| |
| /* provide WEAK stubs for platforms that do not implement all functions */ |
| OT_TOOL_WEAK |
| void otPlatDebugUart_putchar_raw(int c) |
| { |
| OT_UNUSED_VARIABLE(c); |
| } |
| |
| OT_TOOL_WEAK |
| int otPlatDebugUart_kbhit(void) |
| { |
| return 0; /* nothing */ |
| } |
| |
| OT_TOOL_WEAK |
| int otPlatDebugUart_getc(void) |
| { |
| return -1; /* nothing */ |
| } |
| |
| OT_TOOL_WEAK |
| otError otPlatDebugUart_logfile(const char *filename) |
| { |
| OT_UNUSED_VARIABLE(filename); |
| |
| return OT_ERROR_FAILED; |
| } |
| |
| #if (OPENTHREAD_CONFIG_LOG_OUTPUT == OPENTHREAD_CONFIG_LOG_OUTPUT_DEBUG_UART) |
| /* this should not be a WEAK function */ |
| void otPlatLog(otLogLevel aLogLevel, otLogRegion aLogRegion, const char *aFormat, ...) |
| { |
| OT_UNUSED_VARIABLE(aLogLevel); |
| OT_UNUSED_VARIABLE(aLogRegion); |
| |
| va_list ap; |
| uint32_t now; |
| |
| now = otPlatAlarmMilliGetNow(); |
| otPlatDebugUart_printf("%3d.%03d | ", (int)(now / 1000), (int)(now % 1000)); |
| va_start(ap, aFormat); |
| otPlatDebugUart_vprintf(aFormat, ap); |
| va_end(ap); |
| |
| otPlatDebugUart_putchar('\n'); |
| } |
| #endif |