Sensors data management (mainapp MODE)
Holding Registers (0x03)
| Addr (regs) | Length (type) | Action |
|---|---|---|
| 0x0000 (1 regs) | 2 byte (uint16_t) | Running mode (0/mainapp 1/bootload) |
| 0x0001 (2 regs) | 4 byte (char[4]) | Software version string (ASCII) |
| 0x0002 (1 regs) | 2 byte (uint16_t) | Slave address (0x01-0xfe valid range) |
| 0x0003 (2 regs) | 4 byte (float) | Internal Vcc voltage (Volts) |
| 0x0004 (2 regs) | 4 byte (float) | Internal temperature (Celsius) |
Input Registers (0x04)
| Addr (regs) | Length (type) | Action |
|---|---|---|
| 0x0000 (1 regs) | 2 byte (uint16_t) | 1WIRE: Maximum amount of devices permitted |
| 0x0001 (1 regs) | 2 byte (uint16_t) | 1WIRE: Search and return amount of devices found |
| 0x11 Failed to Respond (BUS error) | ||
| 0x01xx (4 regs) | 8 byte (uint64_t) | 1WIRE: 64bit unique dID of device XX in table |
| 0x02 Illegal data address (device XX does not exist) | ||
| 0x02xx (2 regs) | 4 byte (float) | 1WIRE: Read the temperature from device XX (Celsius) |
| 0x02 Illegal data address (device XX does not exist) | ||
| 0x08 Parity Error (device XX CRC failed) | ||
| 0x11 Failed to Respond (device XX BUS failed) | ||
| 0x1200 (2 regs) | 4 byte (float) | I2C: Read temperture from SHT21 device (Celsius) |
| 0x1201 (2 regs) | 4 byte (float) | I2C: Read R humidity from SHT21 device (Percent) |
| 0x1210 (2 regs) | 4 byte (float) | I2C: Read visible light lux from SI1145 device (Lux) |
| 0x1211 (2 regs) | 4 byte (float) | I2C: Read ifrared light lux from SI1145 device (Lux) |
| 0x1211 (2 regs) | 4 byte (float) | I2C: Read ultraviolet index from SI1145 device (Index) |
| 0x1230 (2 regs) | 4 byte (float) | I2C: Read temperature from BMP280 device (Celsius) |
| 0x1231 (2 regs) | 4 byte (float) | I2C: Read air pressure from BMP280 device (hPa) |
Write Registers (0x06)
| Addr (regs) | Length (type) | Action |
|---|---|---|
| 0x0000 (1 regs) | 2 byte (uint16_t) | Change running MODE (0/mainapp 1/bootload) |
| 0x03 Invalid data value (must be 0x01) | ||
| 0x0001 (1 regs) | 2 byte (uint16_t) | Change slave address |
| 0x03 Invalid data value (must be in 0x01-0xfe range) |
Firmware upgrade (bootload MODE)
Write Multiple Registers (0x10)
| Addr (regs) | Length (type) | Action |
|---|---|---|
| 0xXXXX (16 regs) | 32 byte (uint16_t) | Burn data to flash 0x0000-0x1C000 (32 byte at once) |
| 0x02 Illegal data address (only 0x0000-0x1C000, x32) |
Holding Registers (0x03)
| Addr (regs) | Length (type) | Action |
|---|---|---|
| 0x0000 (1 regs) | 2 byte (uint16_t) | Running mode (0/mainapp 1/bootload) |
| 0x0001 (2 regs) | 4 byte (char[4]) | Software version string (ASCII) |
Write Registers (0x06)
| Addr (regs) | Length (type) | Action |
|---|---|---|
| 0x0000 (1 regs) | 2 byte (uint16_t) | Change running MODE (0/mainapp 1/bootload) |
| 0x03 Invalid data value (must be 0x00) |