MLX90614红外温度传感器_linux驱动源码.zip

MLX90614红外温度传感器_linux驱动源码，已经在产品中使用过。android 6.0 ,内核版本为3.4.39，可以做为你的学习设计参考。 #include <linux/kernel.h> #include <linux/module.h> #include <linux/miscdevice.h> #include <linux/moduleparam.h> #include <linux/delay.h> #include <linux/fs.h> #include <linux/timer.h> #include <linux/ioctl.h> #include <linux/gpio.h>//__gpio_set_value #include <mach/sys_config.h>//script_item_u #include <linux/pinctrl/consumer.h>//pin_config_set #include <linux/pinctrl/pinconf-sunxi.h>//SUNXI_PINCFG_TYPE_* #include <linux/io.h> #include <mach/sys_config.h> #include <mach/platform.h> #include <linux/slab.h> #define ACK 0 #define NACK 1 #define SA 0x5a //Slave address 单个MLX90614时地址为0x00,多个时地址默认为0x5a #define RAM_ACCESS 0x00 //RAM access command #define EEPROM_ACCESS 0x20 //EEPROM access command #define RAM_TOBJ1 0x07 //To1 address in the eeprom #define RAM_TOBJ2 0x08 #define RAM_TA 0x06 #define DEVICE_NAME "mlx90614" //struct gpio_config { // u32 gpio; /* gpio global index, must be unique */ // u32 mul_sel; /* multi sel val: 0 - input, 1 - output... */ // u32 pull; /* pull val: 0 - pull up/down disable, 1 - pull up... */ // u32 drv_level; /* driver level val: 0 - level 0, 1 - level 1... */ // u32 data; /* data val: 0 - low, 1 - high, only vaild when mul_sel is input/output */ //}; #define SCL_NAME "sensor_sck" #define SDA_NAME "sensor_sda" struct gpio_func_desc { unsigned short pin; char *name; }; struct gpio_func_desc SCLK ={0,SCL_NAME};//蓝色 struct gpio_func_desc SDIN ={0,SDA_NAME};//白色 struct gpio_config *sclk_gpio_p = NULL; struct gpio_config *sdin_gpio_p = NULL; void SMBus_StartBit(void); void SMBus_StopBit(void);