package mma8653 // Constants/addresses used for I2C. // The I2C address which this device listens to. const Address = 0x1D // Registers. Names, addresses and comments copied from the datasheet. const ( STATUS = 0x00 // Real time status OUT_X_MSB = 0x01 // top 8 bits of 10-bit sample OUT_X_LSB = 0x02 // bottom 2 bits of 10-bit sample OUT_Y_MSB = 0x03 // top 8 bits of 10-bit sample OUT_Y_LSB = 0x04 // bottom 2 bits of 10-bit sample OUT_Z_MSB = 0x05 // top 8 bits of 10-bit sample OUT_Z_LSB = 0x06 // bottom 2 bits of 10-bit sample SYSMOD = 0x0B // Current System Mode INT_SOURCE = 0x0C // Interrupt status WHO_AM_I = 0x0D // Device ID (0x5A) XYZ_DATA_CFG = 0x0E // Dynamic Range Settings PL_STATUS = 0x10 // Landscape/Portrait orientation status PL_CFG = 0x11 // Landscape/Portrait configuration PL_COUNT = 0x12 // Landscape/Portrait debouncer counter PL_BF_ZCOMP = 0x13 // Back/Front, Z-Lock Trip threshold PL_THS_REG = 0x14 // Portrait to Landscape Trip angle FF_MT_CFG = 0x15 // Freefall/Motion functional block configuration FF_MT_SRC = 0x16 // Freefall/Motion event source register FF_MT_THS = 0x17 // Freefall/Motion threshold register FF_MT_COUNT = 0x18 // Freefall/Motion debounce counter ASLP_COUNT = 0x29 // Counter setting for Auto-SLEEP/WAKE CTRL_REG1 = 0x2A // Data Rates, ACTIVE Mode CTRL_REG2 = 0x2B // Sleep Enable, OS Modes, RST, ST CTRL_REG3 = 0x2C // Wake from Sleep, IPOL, PP_OD CTRL_REG4 = 0x2D // Interrupt enable register CTRL_REG5 = 0x2E // Interrupt pin (INT1/INT2) map OFF_X = 0x2F // X-axis offset adjust OFF_Y = 0x30 // Y-axis offset adjust OFF_Z = 0x31 // Z-axis offset adjust ) type DataRate uint8 // Data rate constants. const ( DataRate800Hz DataRate = iota // 800Hz, 1.25ms interval DataRate400Hz // 400Hz, 2.5ms interval DataRate200Hz // 200Hz, 5ms interval DataRate100Hz // 100Hz, 10ms interval DataRate50Hz // 50Hz, 20ms interval DataRate12Hz // 12.5Hz, 80ms interval DataRate6Hz // 6.25Hz, 160ms interval DataRate2Hz // 1.56Hz, 640ms interval ) type Sensitivity uint8 // Sensitivity constants. const ( Sensitivity2G Sensitivity = iota Sensitivity4G Sensitivity8G )