85b954dc4c
By adding external hook to sys_log we will allow applications the flexibility of using various output mechanism such SPI, flash, FS etc. Jira: ZEP-1172 Change-Id: Ie32a5e52c3946ada0349b75a35cc107bb29385a1 Signed-off-by: Yossi Havusha <yossi.havusha@intel.com> Signed-off-by: Anas Nashif <anas.nashif@intel.com>
105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define SYS_LOG_DOMAIN "sample-unified"
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#include <zephyr.h>
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#include <misc/printk.h>
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#include <misc/sys_log.h>
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#include <stdio.h>
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#include <misc/ring_buffer.h>
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#define LOG_BUF_SIZE (512)
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/**
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* @file
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* @brief using logger hook demo
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* unified version of logger hook usage demo
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*/
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uint32_t logger_buffer[LOG_BUF_SIZE];
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struct log_cbuffer {
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struct ring_buf ring_buffer;
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} log_cbuffer;
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static inline void ring_buf_print(struct ring_buf *buf);
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int logger_put(struct log_cbuffer *logger, uint8_t *data, uint32_t data_size)
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{
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int ret;
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ret = sys_ring_buf_put(&logger->ring_buffer, 0, 0,
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(uint32_t *)data, data_size);
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return ret;
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}
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void vlog_cbuf_put(const char *format, va_list args)
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{
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char buf[512];
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int buf_size = 0;
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buf_size += vsnprintf(&buf[buf_size], sizeof(buf), format, args);
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logger_put(&log_cbuffer, buf, buf_size);
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}
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void log_cbuf_put(const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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vlog_cbuf_put(format, args);
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va_end(args);
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}
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void main(void)
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{
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#ifndef CONFIG_SYS_LOG
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printk("syslog hook sample configuration is not set correctly %s\n",
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CONFIG_ARCH);
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#else
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sys_ring_buf_init(&log_cbuffer.ring_buffer, LOG_BUF_SIZE,
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logger_buffer);
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syslog_hook_install(log_cbuf_put);
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SYS_LOG_ERR("SYS LOG ERR is ACTIVE");
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ring_buf_print(&log_cbuffer.ring_buffer);
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SYS_LOG_WRN("SYS LOG WRN is ACTIVE");
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ring_buf_print(&log_cbuffer.ring_buffer);
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SYS_LOG_INF("SYS LOG INF is ACTIVE");
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ring_buf_print(&log_cbuffer.ring_buffer);
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#endif
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}
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static inline void ring_buf_print(struct ring_buf *buf)
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{
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uint8_t size;
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uint8_t data[512];
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int ret = EAGAIN, count = 0;
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while (ret == EAGAIN && count < 2) {
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count++;
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ret = sys_ring_buf_get(&log_cbuffer.ring_buffer, 0, 0,
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(uint32_t *)data, &size);
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}
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if (ret == 0) {
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printk("%s", data);
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} else {
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printk("Error when reading ring buffer\n");
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}
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}
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