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https://github.com/espressif/openthread.git
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Oleksandr Grytsov
e7a6bde56d
Use EDBG DGI SPI interface to put log. Signed-off-by: Oleksandr Grytsov <al1img@gmail.com>
134 lines
3.9 KiB
C
134 lines
3.9 KiB
C
/*
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* Copyright (c) 2016, The OpenThread Authors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file logging.c
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* Platform abstraction for the logging
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*
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*/
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#include <openthread-core-config.h>
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#include <utils/code_utils.h>
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#include <openthread/config.h>
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#include <openthread/platform/logging.h>
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#include <openthread/platform/toolchain.h>
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#if (OPENTHREAD_CONFIG_LOG_OUTPUT == OPENTHREAD_CONFIG_LOG_OUTPUT_PLATFORM_DEFINED) || \
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(OPENTHREAD_CONFIG_LOG_OUTPUT == OPENTHREAD_CONFIG_LOG_OUTPUT_NCP_SPINEL)
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#if BOARD == SAMR21_XPLAINED_PRO
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#include "board.h"
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#include "spi.h"
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#define LOG_PARSE_BUFFER_SIZE 128
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#define LOG_TIMESTAMP_ENABLE 1
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struct spi_module sMaster;
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struct spi_slave_inst sSlave;
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char sLogString[LOG_PARSE_BUFFER_SIZE + 1];
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static void logOutput(otLogLevel aLogLevel, otLogRegion aLogRegion, const char *aFormat, va_list ap)
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{
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int len = 0;
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len = vsnprintf(sLogString, LOG_PARSE_BUFFER_SIZE, aFormat, ap);
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otEXPECT(len >= 0);
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exit:
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if (len >= LOG_PARSE_BUFFER_SIZE)
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{
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len = LOG_PARSE_BUFFER_SIZE - 1;
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}
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sLogString[len++] = '\n';
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spi_select_slave(&sMaster, &sSlave, true);
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spi_write_buffer_wait(&sMaster, (uint8_t *)sLogString, len);
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spi_select_slave(&sMaster, &sSlave, false);
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return;
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}
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#endif
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void samr21LogInit(void)
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{
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#if BOARD == SAMR21_XPLAINED_PRO
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struct spi_slave_inst_config slaveConfig;
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struct spi_config config;
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spi_slave_inst_get_config_defaults(&slaveConfig);
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slaveConfig.ss_pin = EDBG_SPI_SLAVE_SELECT_PIN;
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spi_attach_slave(&sSlave, &slaveConfig);
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spi_get_config_defaults(&config);
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config.mux_setting = EDBG_SPI_SERCOM_MUX_SETTING;
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config.mode_specific.master.baudrate = 8000000UL;
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config.pinmux_pad0 = EDBG_SPI_SERCOM_PINMUX_PAD0;
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config.pinmux_pad1 = EDBG_SPI_SERCOM_PINMUX_PAD1;
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config.pinmux_pad2 = EDBG_SPI_SERCOM_PINMUX_PAD2;
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config.pinmux_pad3 = EDBG_SPI_SERCOM_PINMUX_PAD3;
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spi_init(&sMaster, EDBG_SPI_MODULE, &config);
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spi_enable(&sMaster);
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#endif
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}
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OT_TOOL_WEAK void otPlatLog(otLogLevel aLogLevel, otLogRegion aLogRegion, const char *aFormat, ...)
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{
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#if BOARD == SAMR21_XPLAINED_PRO
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va_list ap;
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va_start(ap, aFormat);
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logOutput(aLogLevel, aLogRegion, aFormat, ap);
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va_end(ap);
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#else
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OT_UNUSED_VARIABLE(aLogLevel);
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OT_UNUSED_VARIABLE(aLogRegion);
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OT_UNUSED_VARIABLE(aFormat);
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#endif
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}
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#endif
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