at30ts.c File Reference

Management of the AT30TS Temperature Sensor component.

This file contains definitions and services related to the features of the AT30TS Temperature Sensor.

Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.

#include "at30ts.h"

Macros
#define	buftoval(val, buf)
#define	valtobuf(val, buf)

Functions
void	attach_device (uint8_t device_addr, device_type_t type)
	attach_device, initialize epprom variable associcated with device More...
int8_t	check_NVRBSY (void)
	Checks at30ts75 NVRBSY, RLCKDWN and RCLK bits. More...
void	parse_temp_reading (sensor_data_t *sensor_data)
uint8_t	read_config (sensor_data_t *sensor_data)
	Read nonvolatile config register. More...
uint8_t	read_nvconfig (sensor_data_t *sensor_data)
	Read nonvolatile config register. More...
uint8_t	read_nvthigh (sensor_data_t *sensor_data)
	Read nonvolatile tHIGH limit register. More...
uint8_t	read_nvtlow (sensor_data_t *sensor_data)
	Read nonvolatile tLOW limit register. More...
int8_t	read_temperature (sensor_data_t *sensor_data)
	Read temperature register. More...
uint8_t	read_temperature_high (sensor_data_t *sensor_data)
	Read tHIGH limit register. More...
uint8_t	read_temperature_low (sensor_data_t *sensor_data)
	Read tLOW limit register. More...
uint8_t	set_config_option (sensor_data_t *data, opt_flag_t flag, config_options_t opt)
	Set Configuration Options. More...
uint8_t	set_nvconfig_option (sensor_data_t *data, opt_flag_t flag, nvconfig_options_t opt)
	Set bit(s) in nonvolatile configuration register. More...
int8_t	ts75_copy_nonvol_vol_register ()
	Copy nonvolatile registers to volatile registers. More...
int8_t	ts75_copy_vol_nonvol_register ()
	Copy volatile registers to nonvolatile registers. More...
int8_t	ts75_probe_nonvol_register (uint8_t device_addr)
	Probe at30ts75 nonvolatile configuration register. More...
int8_t	ts_ack_polling (uint8_t addr)
	ACK polling function. More...
void	ts_construct_eeprom_address (twi_package_t *packet, uint16_t address)
	Constructs an eeprom address. More...
int8_t	ts_read_eeprom (uint16_t address, uint16_t size, uint8_t *buf)
	Read EEPROM. More...
int8_t	ts_read_register (const uint8_t pointer_reg, uint8_t *buf)
	Read at30ts75xx configuration register. More...
int8_t	ts_write_eeprom (uint16_t address, uint16_t size, uint8_t *buf)
	Write EEPROM. More...
uint8_t	ts_write_memory (uint16_t address, uint16_t size, uint8_t *buf)
	Write memory, this function manages writing data beyond a pages size (16 bytes) More...
int8_t	ts_write_register (uint8_t *obuf)
	Write configuration register. More...
uint8_t	twi_probe_device (uint8_t addr)
uint8_t	twi_read (twi_package_t *packet)
uint8_t	twi_write (twi_package_t *packet)
uint8_t	write_config (uint16_t val)
	Write configuration register. More...
uint8_t	write_nvconfig (uint16_t val)
	Write nonvolatile configuration register. More...
uint8_t	write_nvthigh (uint8_t sign, uint8_t itemp, uint16_t ftemp)
	Write nonvolatile tHIGH limit register. More...
uint8_t	write_nvtlow (uint8_t sign, uint8_t itemp, uint16_t ftemp)
	Write nonvolatile tLOW limit register. More...
uint8_t	write_temperature_high (uint8_t sign, uint8_t itemp, uint16_t ftemp)
	Write tHIGH limit register. More...
uint8_t	write_temperature_low (uint8_t sign, uint8_t itemp, uint16_t ftemp)
	Write tLOW limit register. More...

Variables
static ts_device_t	at30ts_attached_device
static uint8_t	at30ts_iobuf [3]
static uint8_t	at30ts_status
const uint8_t	copy_nonvol_vol_register [] = { CPY_NVOL_VOL_REG }
const uint8_t	copy_vol_nonvol_register [] = { CPY_VOL_NVOL_REG }
const uint8_t	nv_config [] = { NV_CONFIG_REG }

#define buftoval	(		val,
			buf
	)

Value:

{     (val) = (at30ts_iobuf[0]); \
                 (val) <<= 8; \
                 (val) |= (at30ts_iobuf[1]); }

Referenced by read_config(), read_nvconfig(), read_nvthigh(), read_nvtlow(), read_temperature_high(), read_temperature_low(), set_config_option(), and set_nvconfig_option().

#define valtobuf	(		val,
			buf
	)

Value:

{     buf[2] = (val) & 0xFF;    \
                 buf[1] = ((val) >> 8) & 0xFF; }

Referenced by write_config(), write_nvconfig(), write_nvthigh(), write_nvtlow(), write_temperature_high(), and write_temperature_low().

ts_device_t at30ts_attached_device

static

uint8_t at30ts_iobuf[3]

static

Referenced by read_config(), read_nvconfig(), read_nvthigh(), read_nvtlow(), read_temperature_high(), read_temperature_low(), set_config_option(), set_nvconfig_option(), write_config(), write_nvconfig(), write_nvthigh(), write_nvtlow(), write_temperature_high(), and write_temperature_low().

uint8_t at30ts_status

static

Referenced by check_NVRBSY(), read_config(), read_nvconfig(), read_nvthigh(), read_nvtlow(), read_temperature(), read_temperature_high(), read_temperature_low(), set_config_option(), ts75_copy_nonvol_vol_register(), ts75_copy_vol_nonvol_register(), ts75_probe_nonvol_register(), ts_read_eeprom(), ts_write_eeprom(), ts_write_memory(), and ts_write_register().

const uint8_t copy_nonvol_vol_register[] = { CPY_NVOL_VOL_REG }

Referenced by ts75_copy_nonvol_vol_register().

const uint8_t copy_vol_nonvol_register[] = { CPY_VOL_NVOL_REG }

Referenced by ts75_copy_vol_nonvol_register().

const uint8_t nv_config[] = { NV_CONFIG_REG }

Referenced by ts75_probe_nonvol_register().