glacsweb_protocol.h

// Protocol used by base station serial bus

#ifndef GLACSWEB_GLACSWEB_PROTOCOL_H
#define GLACSWEB_GLACSWEB_PROTOCOL_H

// HDR(1 nibble)
// HDRSIZE(1 nibble)
// SRC_ID(1)
// CMD(1)
// data[1-16]
// checksum(1)

//Header enumeration
#define CMD_HEADER_ID           0x30    //command message header (send or rcv)
#define INFO_HEADER_ID          0x50    //reply message header

//ID enumeration
#define BITSYX_ID               0xF0    //ID of this device
#define BROADCAST_ID            0xA0    //the ID boadcasting

//Command enumeration

//System commands
#define CMD_SYS_SLEEP           0x05    //put system in sleep mode
#define CMD_SYS_EEPROM_WRITE    0x07    //write internal EEPROM
#define CMD_SYS_EEPROM_READ     0x08    //Read internal EEEPROM
#define CMD_SYS_ADC_READ        0x0C    //Read ADC channel
#define CMD_SYS_PARAM_1_READ    0x0D    //Read system parameters(part 1)
#define CMD_SYS_PARAM_2_READ    0x0E    //Read system parameters(part 2)
#define CMD_SYS_I_AM_AWAKE      0x14    //"I am Awake" Signal (always sent as reply)
#define CMD_SYS_I_AM_IDLE       0x17    //"I am Idle" Signal (always sent as reply)
#define CMD_SYS_DEBUG_STRING    0x18    //Debug String (always sent as reply)
#define CMD_SYS_LOAD_PARAMS     0x1A    //Load system variables with EEPROM values
#define CMD_SYS_RUN_AUTO_PROG   0x1B    //Reexecute the autonomous program


//Programming Commands
#define CMD_MCU_WRITE                   0x28    //Write Flash
#define CMD_MCU_READ                    0x29    //Read Flash
#define CMD_MCU_READ_FL_CHECKSUM        0x2A    //Read Flash checksum
#define CMD_MCU_READ_EE_CHECKSUM        0x2B    //Read external EEPROM checksum
#define CMD_MCU_PROGRAM                 0x2C    //Program FLASH with EEPROM contents
#define CMD_MCU_WRITE_MODIFIER          0x2D    //Reprogram LCALL to AutoProg
#define CMD_MCU_ERASE                   0x2E    //Erase FLASH (0x1000 to 0x1fff)

//Real-time clock commands
#define CMD_RTC_SET_TIME        0x32    //Set RTC time
#define CMD_RTC_SET_DATE        0x33    //Set RTC date
#define CMD_RTC_SET_ALARM       0x35    //Set RTC alarm
#define CMD_RTC_READ_TIME       0x38    //Return RTC time register values
#define CMD_RTC_READ_DATE       0x39    //Return RTC date register values
#define CMD_RTC_READ_ALARM      0x3B    //Return RTC alarm register values

//External EEPROM commands
#define CMD_EEPROM_WRITE        0x3C    //Write External EEPROM
#define CMD_EEPROM_READ         0x3D    //Read External EEPROM
#define CMD_EEPROM_WRITE_8      0x3E    //Write 8 Bytes to external EEPROM
#define CMD_EEPROM_READ_16      0x3F    //Read 16 Bytes from external EEPROM
#define CMD_EEPROM_ERASE        0x40    //Erase EEPROM
#define CMD_EEPROM_TEST         0x41    //Test EEPROM from address to address

//Sensor Commands
#define CMD_SEN_READ_TRANSMIT           0x46    //Read Sensors and Transmit
#define CMD_SEN_READ_STORE              0x47    //Read Sensors and Store in ext. EEPROM
#define CMD_SEN_READ_STORE_TRANSMIT     0x48    //Read Sensors, store in ext EEPROM and Transmit
#define CMD_SEN_READ_STORED             0x49    //Read Readings stored in ext. EEPROM from EE_RD to EE_WR (multiple replies possible)

#define CMD_SEN_TEMP_READ       0x4A    //Read temp sensor
#define CMD_SEN_TILT_READ       0x4B    //Read accelerometers
#define CMD_SEN_TILT_CALIBRATE  0x4C    //Read Calibrate accelerometers
#define CMD_SEN_PRES_READ       0x4D    //Read pressure sensor
#define CMD_SEN_STRAIN_READ     0x4E    //Read straing gauge
#define CMD_SEN_RES_READ        0x4F    //Read resistor reading


//Counter Commands
#define CMD_CNT_RESET           0x64    //Reset Counter
#define CMD_CNT_CALIBRATE       0x65    //Calibrate CNT_STOP threshold
#define CMD_CNT_READ            0x66    //Counter value (32 bits)
#define CMD_CNT_ENABLE          0x67    //Enable/disable counter


typedef struct probe_packet_struct
{
        unsigned char header;
        unsigned char size;
        unsigned char id;
        unsigned char command;
        unsigned char data[16];
        //checksum is not declared here because it is calculated in real time
} glacsweb_packet;


#endif // GLACSWEB_GLACSWEB_PROTOCOL_H

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