An Arduino library for the CST816S capacitive touch screen IC
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| Register Name | Address | Bit Description | Default Value | Configuration Options |
|---|---|---|---|---|
| GestureID | 0x01 | Gesture code for detected gestures | N/A | 0x00: None, 0x01: Slide Up, 0x02: Slide Down, 0x0B: Double Click |
| FingerNum | 0x02 | Number of fingers detected | N/A | 0: No finger, 1: One finger |
| XposH | 0x03 | High 4 bits of X coordinate | N/A | - |
| XposL | 0x04 | Low 8 bits of X coordinate | N/A | - |
| YposH | 0x05 | High 4 bits of Y coordinate | N/A | - |
| YposL | 0x06 | Low 8 bits of Y coordinate | N/A | - |
| BPC0H | 0xB0 | High 8 bits of BPC0 value | N/A | - |
| BPC0L | 0xB1 | Low 8 bits of BPC0 value | N/A | - |
| BPC1H | 0xB2 | High 8 bits of BPC1 value | N/A | - |
| BPC1L | 0xB3 | Low 8 bits of BPC1 value | N/A | - |
| ChipID | 0xA7 | Chip model identifier | N/A | - |
| ProjID | 0xA8 | Project number | N/A | - |
| FwVersion | 0xA9 | Firmware version number | N/A | - |
| MotionMask | 0xEC | Enable gesture actions like double-click | 0x00 | Bit 0: EnDClick (enable double-click), Bit 1: EnConUD |
| IrqPluseWidth | 0xED | Interrupt pulse width (0.1 ms units) | 10 | 1-200 |
| NorScanPer | 0xEE | Normal scan period (10 ms units) | 1 | 1-30 |
| MotionSlAngle | 0xEF | Gesture detection sliding angle control | N/A | - |
| LpScanRaw1H | 0xF0 | High 8 bits of low-power scan channel 1 reference | N/A | - |
| LpScanRaw1L | 0xF1 | Low 8 bits of low-power scan channel 1 reference | N/A | - |
| LpScanRaw2H | 0xF2 | High 8 bits of low-power scan channel 2 reference | N/A | - |
| LpScanRaw2L | 0xF3 | Low 8 bits of low-power scan channel 2 reference | N/A | - |
| LpAutoWakeTime | 0xF4 | Auto recalibration time in low-power mode | 5 minutes | 1-5 minutes |
| LpScanTH | 0xF5 | Low-power scan wake threshold | 48 | 1-255 |
| LpScanWin | 0xF6 | Low-power scan range | 3 | 0-3 |
| LpScanFreq | 0xF7 | Low-power scan frequency | 7 | 1-255 |
| LpScanIdac | 0xF8 | Low-power scan current | N/A | 1-255 |
| AutoSleepTime | 0xF9 | Time in seconds before entering standby mode | 2 seconds | 1-255 seconds |
| IrqCtl | 0xFA | Control of interrupt behavior | N/A | EnTest, EnTouch, EnChange, EnMotion |
| AutoReset | 0xFB | Auto-reset time with no valid gesture detected | 5 seconds | 0-5 seconds (0 to disable) |
| LongPressTime | 0xFC | Time for long press to trigger reset | 10 seconds | 0-10 seconds (0 to disable) |
| IOCtl | 0xFD | IO control settings including soft reset | N/A | SOFT_RST, IIC_OD, En1v8 |
| DisAutoSleep | 0xFE | Disable auto sleep mode | 0 | Non-zero value disables auto sleep mode |