ir_mlx.c File Reference

Melexis MLX90614 I2C. More...

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

Include dependency graph for ir_mlx.c:

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Macros
#define	MLX_I2C_DEV   i2c0
#define	MLX90614_ADDR   0x06
#define	MLX90614_GENERAL_ADDR   0

Functions
void	ir_mlx_crc (unsigned char addr, volatile unsigned char *data)
void	ir_mlx_init (void)
void	ir_mlx_periodic (void)
void	ir_mlx_event (void)

Variables
struct i2c_transaction	mlx_trans
uint8_t	ir_mlx_status
uint16_t	ir_mlx_itemp_case
float	ir_mlx_temp_case
uint16_t	ir_mlx_itemp_obj
float	ir_mlx_temp_obj
uint32_t	ir_mlx_id_01
uint32_t	ir_mlx_id_23

Detailed Description

Melexis MLX90614 I2C.

This reads the values for temperatures from the Melexis MLX90614 IR sensor through I2C.

Definition in file ir_mlx.c.

Macro Definition Documentation

#define MLX90614_ADDR   0x06

Definition at line 56 of file ir_mlx.c.

Referenced by ir_mlx_event(), and ir_mlx_periodic().

#define MLX90614_GENERAL_ADDR   0

Definition at line 59 of file ir_mlx.c.

Referenced by ir_mlx_periodic().

#define MLX_I2C_DEV   i2c0

Definition at line 41 of file ir_mlx.c.

Referenced by ir_mlx_event(), and ir_mlx_periodic().

Function Documentation

void ir_mlx_crc	(	unsigned char	addr,
		volatile unsigned char *	data
	)

Definition at line 63 of file ir_mlx.c.

References crc.

Referenced by ir_mlx_periodic().

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void ir_mlx_event

(

void

)

Definition at line 138 of file ir_mlx.c.

References i2c_transaction::buf, DefaultChannel, DefaultDevice, i2c_transceive(), I2CTransDone, I2CTransSuccess, ir_mlx_id_01, ir_mlx_id_23, IR_MLX_IDLE, ir_mlx_itemp_case, ir_mlx_itemp_obj, IR_MLX_RD_CASE_TEMP, IR_MLX_RD_ID_0, IR_MLX_RD_ID_1, IR_MLX_RD_ID_2, IR_MLX_RD_ID_3, IR_MLX_RD_OBJ_TEMP, ir_mlx_status, ir_mlx_temp_case, ir_mlx_temp_obj, MLX90614_ADDR, MLX90614_ID_1, MLX90614_ID_2, MLX90614_ID_3, MLX90614_TOBJ, MLX_I2C_DEV, mlx_trans, and i2c_transaction::status.

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void ir_mlx_init

(

void

)

Definition at line 83 of file ir_mlx.c.

References IR_MLX_ADDR_CHANGE, ir_mlx_status, and IR_MLX_UNINIT.

void ir_mlx_periodic

(

void

)

Definition at line 94 of file ir_mlx.c.

References i2c_transaction::buf, DefaultChannel, DefaultDevice, i2c_transceive(), i2c_transmit(), IR_MLX_ADDR_CHANGE, IR_MLX_ADDR_ERASE, IR_MLX_ADDR_SET, ir_mlx_crc(), ir_mlx_id_01, ir_mlx_id_23, IR_MLX_IDLE, IR_MLX_RD_CASE_TEMP, IR_MLX_RD_ID_0, ir_mlx_status, IR_MLX_UNINIT, MLX90614_ADDR, MLX90614_GENERAL_ADDR, MLX90614_ID_0, MLX90614_SADR, MLX90614_TA, MLX_I2C_DEV, mlx_trans, and sys_time::nb_sec.

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Variable Documentation

uint32_t ir_mlx_id_01

Definition at line 51 of file ir_mlx.c.

Referenced by ir_mlx_event(), and ir_mlx_periodic().

uint32_t ir_mlx_id_23

Definition at line 52 of file ir_mlx.c.

Referenced by ir_mlx_event(), and ir_mlx_periodic().

uint16_t ir_mlx_itemp_case

Definition at line 47 of file ir_mlx.c.

Referenced by ir_mlx_event().

uint16_t ir_mlx_itemp_obj

Definition at line 49 of file ir_mlx.c.

Referenced by ir_mlx_event().

uint8_t ir_mlx_status

Definition at line 46 of file ir_mlx.c.

Referenced by ir_mlx_event(), ir_mlx_init(), and ir_mlx_periodic().

float ir_mlx_temp_case

Definition at line 48 of file ir_mlx.c.

Referenced by ir_mlx_event().

float ir_mlx_temp_obj

Definition at line 50 of file ir_mlx.c.

Referenced by ir_mlx_event().

struct i2c_transaction mlx_trans

Definition at line 44 of file ir_mlx.c.

Referenced by ir_mlx_event(), and ir_mlx_periodic().