buffer.h

/*
 * Memory resident (RAM) buffer support.
 *
 * Copyright (C) 2016, 2017 OurAirQuality.org
 *
 * Licensed under the Apache License, Version 2.0, January 2004 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *      http://www.apache.org/licenses/
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS WITH THE SOFTWARE.
 *
 */

bool get_buffer_logging(void);
bool set_buffer_logging(bool enable);
uint32_t get_buffer_to_write(uint8_t *buf, uint32_t *start);
void note_buffer_written(uint32_t index, uint32_t size);
uint32_t dbuf_head_index();
uint32_t dbuf_append(uint32_t index, uint16_t code, uint8_t *data, uint32_t size,
                     int low_res_time);
void reset_dbuf(void);

uint32_t emit_leb128(uint8_t *buf, uint32_t start, uint64_t v);
uint32_t emit_leb128_signed(uint8_t *buf, uint32_t start, int64_t v);


/* Plantower PMS3003 */
#define DBUF_EVENT_PMS3003 1

/* Plantower PMS1003 PMS5003 PMS7003 */
#define DBUF_EVENT_PMS5003 2

#define DBUF_EVENT_POST_TIME 3

#define DBUF_EVENT_ESP8266_STARTUP 4

#define DBUF_EVENT_SHT2X_TEMP_HUM 5

#define DBUF_EVENT_BMP180_TEMP_PRESSURE 6

#define DBUF_EVENT_DS3231_TIME_TEMP 7
#define DBUF_EVENT_DS3231_TIME_STEP 8

#define DBUF_EVENT_BMP280_TEMP_PRESSURE 9
#define DBUF_EVENT_BME280_TEMP_PRESSURE_RH 10

#define DBUF_EVENT_CLIENT_UTIME 11

#define DBUF_EVENT_SEGMENT_START 12

#define DBUF_EVENT_START_LOGGING 13

#define DBUF_EVENT_PAUSE_LOGGING 14

#define DBUF_EVENT_TEXT_MESSAGE 15