humid_pcap01.c File Reference

ACAM Picocap Single-chip Solution for Capacitance Measurement. More...

#include "led.h"
#include "mcu_periph/sys_time.h"
#include "mcu_periph/i2c.h"
#include "mcu_periph/uart.h"
#include "pprzlink/messages.h"
#include "subsystems/datalink/downlink.h"
#include "modules/meteo/humid_pcap01.h"

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Macros
#define	PCAP01_I2C_DEV   i2c0

Functions
void	writePCAP01_SRAM (uint8_t data, uint16_t s_add)
uint8_t	readPCAP01_SRAM (uint16_t s_add)
void	PCAP01_Control (uint8_t control)
	PCAP01_Control. More...
void	pcap01writeRegister (uint8_t reg, uint32_t value)
void	pcap01_init (void)
void	pcap01readRegister (uint8_t reg)
void	pcap01_periodic (void)
	pcap01_readData More...
void	pcap01_event (void)

Variables
uint8_t	pcap01_meas_started
struct i2c_transaction	pcap01_trans
PCAP01VALUE	pcap01Value

Detailed Description

ACAM Picocap Single-chip Solution for Capacitance Measurement.

This reads the values for temperature and humidity from the ACAM capacitance and resistance measurement unit through I2C.

Definition in file humid_pcap01.c.

Macro Definition Documentation

#define PCAP01_I2C_DEV   i2c0

Definition at line 48 of file humid_pcap01.c.

Referenced by PCAP01_Control(), pcap01readRegister(), pcap01writeRegister(), readPCAP01_SRAM(), and writePCAP01_SRAM().

Function Documentation

void PCAP01_Control

(

uint8_t

control

)

PCAP01_Control.

Function to send control commands to the PCAP01

Parameters

control

Control command possible commands: PCAP01_PU_RESET : Hard reset of the device PCAP01_IN_RESET : Software reset PCAP01_START : Start measurement PCAP01_START : Start measurement PCAP01_TERM : Stop measurement

Definition at line 85 of file humid_pcap01.c.

References i2c_transaction::buf, i2c_transmit(), I2CTransPending, PCAP01_ADDR, PCAP01_I2C_DEV, pcap01_trans, and i2c_transaction::status.

Referenced by pcap01_init().

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void pcap01_event

(

void

)

Definition at line 208 of file humid_pcap01.c.

References i2c_transaction::buf, PCAP01VALUE::C_ratio, DefaultChannel, DefaultDevice, I2CTransDone, I2CTransSuccess, PCAP01_GET_HUMID, PCAP01_GET_TEMP, PCAP01_IDLE, PCAP01_REG13, PCAP01_REG3, pcap01_trans, pcap01readRegister(), PCAP01VALUE::R_ratio, PCAP01VALUE::status, and i2c_transaction::status.

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void pcap01_init

(

void

)

Definition at line 151 of file humid_pcap01.c.

References I2CTransDone, PCAP01_Control(), PCAP01_IDLE, PCAP01_IN_RESET, PCAP01_REG0, PCAP01_REG0_VALUE, PCAP01_REG1, PCAP01_REG10, PCAP01_REG10_VALUE, PCAP01_REG11, PCAP01_REG11_VALUE, PCAP01_REG12, PCAP01_REG12_VALUE, PCAP01_REG13, PCAP01_REG13_VALUE, PCAP01_REG14, PCAP01_REG14_VALUE, PCAP01_REG15, PCAP01_REG15_VALUE, PCAP01_REG16, PCAP01_REG16_VALUE, PCAP01_REG17, PCAP01_REG17_VALUE, PCAP01_REG18, PCAP01_REG18_VALUE, PCAP01_REG19, PCAP01_REG19_VALUE, PCAP01_REG1_VALUE, PCAP01_REG2, PCAP01_REG20, PCAP01_REG20_VALUE, PCAP01_REG2_VALUE, PCAP01_REG3, PCAP01_REG3_VALUE, PCAP01_REG4, PCAP01_REG4_VALUE, PCAP01_REG5, PCAP01_REG5_VALUE, PCAP01_REG6, PCAP01_REG6_VALUE, PCAP01_REG7, PCAP01_REG7_VALUE, PCAP01_REG8, PCAP01_REG8_VALUE, PCAP01_REG9, PCAP01_REG9_VALUE, PCAP01_START, pcap01_trans, pcap01writeRegister(), PCAP01VALUE::status, i2c_transaction::status, sys_time_usleep(), and writePCAP01_firmware().

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void pcap01_periodic

(

void

)

pcap01_readData

function where current measurement data from pcap01 is read into global sensor variable

Definition at line 197 of file humid_pcap01.c.

References PCAP01_GET_HUMID, PCAP01_REG1, PCAP01_REG2, pcap01readRegister(), and PCAP01VALUE::status.

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void pcap01readRegister

(

uint8_t

reg

)

Definition at line 184 of file humid_pcap01.c.

References i2c_transaction::buf, i2c_transceive(), PCAP01_ADDR, PCAP01_I2C_DEV, and pcap01_trans.

Referenced by pcap01_event(), and pcap01_periodic().

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void pcap01writeRegister	(	uint8_t	reg,
		uint32_t	value
	)

Definition at line 96 of file humid_pcap01.c.

References i2c_transaction::buf, i2c_transmit(), I2CTransPending, PCAP01_ADDR, PCAP01_I2C_DEV, pcap01_trans, PCAP01_WRITE_REG, and i2c_transaction::status.

Referenced by pcap01_init().

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uint8_t readPCAP01_SRAM

(

uint16_t

s_add

)

Definition at line 61 of file humid_pcap01.c.

References i2c_transaction::buf, i2c_transceive(), I2CTransPending, PCAP01_ADDR, PCAP01_I2C_DEV, pcap01_trans, and i2c_transaction::status.

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void writePCAP01_SRAM	(	uint8_t	data,
		uint16_t	s_add
	)

Definition at line 51 of file humid_pcap01.c.

References i2c_transaction::buf, i2c_transmit(), I2CTransPending, PCAP01_ADDR, PCAP01_I2C_DEV, pcap01_trans, and i2c_transaction::status.

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Variable Documentation

uint8_t pcap01_meas_started

Definition at line 43 of file humid_pcap01.c.

struct i2c_transaction pcap01_trans

Definition at line 44 of file humid_pcap01.c.

Referenced by PCAP01_Control(), pcap01_event(), pcap01_init(), pcap01readRegister(), pcap01writeRegister(), readPCAP01_SRAM(), and writePCAP01_SRAM().

PCAP01VALUE pcap01Value

Definition at line 45 of file humid_pcap01.c.