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tekkies/lis3dsh-sudden-y.lua

Created January 15, 2022 17:54
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LIS3DSH State Machine - Trigger on sudden change in Y
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lis3dsh-sudden-y.lua
--writeLis3dsh(LIS3DSH_CTRL_REG2, 0x01) --Interrupt 1, SM2 Enable
writeLis3dsh(LIS3DSH_CTRL_REG2, 0x08 + 0x01) --Interrupt 2, EM2 Enable
writeLis3dsh(LIS3DSH_CTRL_REG3, 0x28) --data ready signal not connected, interrupt signals active LOW, interrupt signal pulsed, INT1/DRDY signal enabled, vector filter disabled, no soft reset
writeLis3dsh(LIS3DSH_CTRL_REG4, 0x10 + 0x00 + 0x02) --Y, data rate: 3Hz, Block data update: continuous
writeLis3dsh(LIS3DSH_CTRL_REG5, 0x00) --2g scale, 800hz filter
writeLis3dsh(LIS3DSH_THRS1_2, 1) --threshold
writeLis3dsh(LIS3DSH_ST2_1, 0x05) --NOP | Any/triggered axis greater than THRS1
writeLis3dsh(LIS3DSH_ST2_1+1, 0x11) --Continue
writeLis3dsh(LIS3DSH_MASK2_B, 0x30) --Y
writeLis3dsh(LIS3DSH_MASK2_A, 0x30) --Y
writeLis3dsh(LIS3DSH_SETT2, 0x11) --DIFF input, DIFF eabled, program flow can be modified by STOP and CONT commands
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