| /* |
| * Copyright (c) 2016, 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. |
| */ |
| |
| /** |
| * @file logging.c |
| * Platform abstraction for the logging |
| * |
| */ |
| |
| #include <openthread-core-config.h> |
| #include <utils/code_utils.h> |
| #include <openthread/config.h> |
| #include <openthread/platform/logging.h> |
| #include <openthread/platform/toolchain.h> |
| |
| #if (OPENTHREAD_CONFIG_LOG_OUTPUT == OPENTHREAD_CONFIG_LOG_OUTPUT_PLATFORM_DEFINED) || \ |
| (OPENTHREAD_CONFIG_LOG_OUTPUT == OPENTHREAD_CONFIG_LOG_OUTPUT_NCP_SPINEL) |
| |
| #if BOARD == SAMR21_XPLAINED_PRO |
| |
| #include "board.h" |
| #include "spi.h" |
| |
| #define LOG_PARSE_BUFFER_SIZE 128 |
| #define LOG_TIMESTAMP_ENABLE 1 |
| |
| struct spi_module sMaster; |
| struct spi_slave_inst sSlave; |
| |
| char sLogString[LOG_PARSE_BUFFER_SIZE + 1]; |
| |
| static void logOutput(otLogLevel aLogLevel, otLogRegion aLogRegion, const char *aFormat, va_list ap) |
| { |
| int len = 0; |
| |
| len = vsnprintf(sLogString, LOG_PARSE_BUFFER_SIZE, aFormat, ap); |
| |
| otEXPECT(len >= 0); |
| |
| exit: |
| |
| if (len >= LOG_PARSE_BUFFER_SIZE) |
| { |
| len = LOG_PARSE_BUFFER_SIZE - 1; |
| } |
| |
| sLogString[len++] = '\n'; |
| |
| spi_select_slave(&sMaster, &sSlave, true); |
| |
| spi_write_buffer_wait(&sMaster, (uint8_t *)sLogString, len); |
| |
| spi_select_slave(&sMaster, &sSlave, false); |
| |
| return; |
| } |
| |
| #endif |
| |
| void samr21LogInit(void) |
| { |
| #if BOARD == SAMR21_XPLAINED_PRO |
| |
| struct spi_slave_inst_config slaveConfig; |
| struct spi_config config; |
| |
| spi_slave_inst_get_config_defaults(&slaveConfig); |
| |
| slaveConfig.ss_pin = EDBG_SPI_SLAVE_SELECT_PIN; |
| |
| spi_attach_slave(&sSlave, &slaveConfig); |
| |
| spi_get_config_defaults(&config); |
| |
| config.mux_setting = EDBG_SPI_SERCOM_MUX_SETTING; |
| config.mode_specific.master.baudrate = 8000000UL; |
| config.pinmux_pad0 = EDBG_SPI_SERCOM_PINMUX_PAD0; |
| config.pinmux_pad1 = EDBG_SPI_SERCOM_PINMUX_PAD1; |
| config.pinmux_pad2 = EDBG_SPI_SERCOM_PINMUX_PAD2; |
| config.pinmux_pad3 = EDBG_SPI_SERCOM_PINMUX_PAD3; |
| |
| spi_init(&sMaster, EDBG_SPI_MODULE, &config); |
| spi_enable(&sMaster); |
| |
| #endif |
| } |
| |
| OT_TOOL_WEAK void otPlatLog(otLogLevel aLogLevel, otLogRegion aLogRegion, const char *aFormat, ...) |
| { |
| #if BOARD == SAMR21_XPLAINED_PRO |
| va_list ap; |
| |
| va_start(ap, aFormat); |
| |
| logOutput(aLogLevel, aLogRegion, aFormat, ap); |
| |
| va_end(ap); |
| |
| #else |
| |
| OT_UNUSED_VARIABLE(aLogLevel); |
| OT_UNUSED_VARIABLE(aLogRegion); |
| OT_UNUSED_VARIABLE(aFormat); |
| |
| #endif |
| } |
| |
| #endif |