Difference between revisions of "Unit STMPE"

Revision as of 04:26, 13 April 2017

The ST Microelectronics STMPE devices are a range of multi function chips that include GPIO, ADC, 4 wire touchscreen controller and PWM outputs in varying combinations. Many of the functions overlap so a pin can be used for example as a GPIO or a PWM but not both at once. The Touchscreen controller also consumes many of the GPIO pins in the models that support it. This driver supports the GPIO and Touchscreen functions of the following chips:

STMPE610 - 6 GPIO/4-wire Touch/I2C/SPI

STMPE801 - 8 GPIO/I2C

STMPE811 - 8 GPIO/4-wire Touch/I2C/SPI

STMPE1601 - 16 GPIO/4 PWM/I2C

STMPE1801 - 18 GPIO/I2C

STMPE2401 - 24 GPIO/3 PWM/I2C

STMPE2403 - 24 GPIO/3 PWM/I2C

Note: A number of variations also support Keypad, Temperature and other features which are not currently handled by this driver.

@@ Line 9: / Line 9: @@
 The ST Microelectronics STMPE devices are a range of multi function chips that include GPIO, ADC, 4 wire touchscreen controller and PWM outputs in varying combinations. Many of the functions overlap so a pin can be used for example as a GPIO or a PWM but not both at once. The Touchscreen controller also consumes many of the GPIO pins in the models that support it. This driver supports the GPIO and Touchscreen functions of the following chips:
-STMPE610 - 6 GPIO / 4-wire Touch / I2C / SPI
+STMPE610 - 6 GPIO/4-wire Touch/I2C/SPI
-STMPE801 - 8 GPIO / I2C
+STMPE801 - 8 GPIO/I2C
-STMPE811 - 8 GPIO / 4-wire Touch / I2C / SPI
+STMPE811 - 8 GPIO/4-wire Touch/I2C/SPI
-STMPE1601 - 16 GPIO / 4 PWM / I2C
+STMPE1601 - 16 GPIO/4 PWM/I2C
-STMPE1801 - 18 GPIO / I2C
+STMPE1801 - 18 GPIO/I2C
-STMPE2401 - 24 GPIO / 3 PWM / I2C
+STMPE2401 - 24 GPIO/3 PWM/I2C
-STMPE2403 - 24 GPIO / 3 PWM / I2C
+STMPE2403 - 24 GPIO/3 PWM/I2C
 Note: A number of variations also support Keypad, Temperature and other features which are not currently handled by this driver.
@@ Line 178: / Line 178: @@
 |-
 | <code>STMPE1601_GPIO_MAX_FUNCTION = GPIO_FUNCTION_ALT1;</code>
-| Alternate function 0 = Keypad / Alternate function 1 = PWM
+| Alternate function 0 = Keypad/Alternate function 1 = PWM
 |-
 | <code>STMPE1601_GPIO_FUNCTION_COUNT = 4;</code>
@@ Line 314: / Line 314: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811''
+|colspan="2"|''STMPE610/STMPE811''
 |-
 | <code>STMPE811_REG_CHIP_ID = $00;</code>
@@ Line 320: / Line 320: @@
 |-
 | <code>STMPE811_REG_ID_VER = $02;</code>
-| Revision number (0x01 for engineering sample / 0x03 for final silicon)
+| Revision number (0x01 for engineering sample/0x03 for final silicon)
 |-
 | <code>STMPE811_REG_SYS_CTRL1 = $03;</code>
@@ Line 495: / Line 495: @@
 |-
 | <code>STMPE801_REG_ID_VER = $02;</code>
-| Revision number (0x01 for engineering sample / 0x02 for final silicon)
+| Revision number (0x01 for engineering sample/0x02 for final silicon)
 |-
 | <code>STMPE801_REG_SYS_CTRL = $04;</code>
@@ Line 828: / Line 828: @@
 |colspan="2"|&nbsp;
 |-
-|colspan="2"|''STMPE2401 / STMPE2403''
+|colspan="2"|''STMPE2401/STMPE2403''
 |-
 | <code>STMPE240X_REG_CHIP_ID = $80;</code>
@@ Line 1,039: / Line 1,039: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811''
+|colspan="2"|''STMPE610/STMPE811''
 |-
 | <code>STMPE811_CHIP_ID = $0811;</code>
@@ Line 1,067: / Line 1,067: @@
 |colspan="2"|&nbsp;
 |-
-|colspan="2"|''STMPE2401 / STMPE2403''
+|colspan="2"|''STMPE2401/STMPE2403''
 |-
 | <code>STMPE240X_CHIP_ID = $01;</code>
@@ Line 1,080: / Line 1,080: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811''
+|colspan="2"|''STMPE610/STMPE811''
 |-
 | <code>STMPE811_SYS_CTRL2_TS_OFF = (1 shl 3);</code>
@@ Line 1,157: / Line 1,157: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811''
+|colspan="2"|''STMPE610/STMPE811''
 |-
 | <code>STMPE811_TSC_CTRL_TSC_STA = (1 shl 7);</code>
-| TSC status (Reads '1' when touch is detected / Reads '0' when touch is not detected)
+| TSC status (Reads '1' when touch is detected/Reads '0' when touch is not detected)
 |-
 | <code>STMPE811_TSC_CTRL_TRACK_MASK = (7 shl 4);</code>
@@ Line 1,191: / Line 1,191: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811''
+|colspan="2"|''STMPE610/STMPE811''
 |-
 | <code>STMPE811_TSC_CFG_AVE_CTRL_1 = (0 shl 6);</code>
@@ Line 1,219: / Line 1,219: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811''
+|colspan="2"|''STMPE610/STMPE811''
 |-
 | <code>STMPE811_ADC_CTRL1_SAMPLE_TIME_MASK = (7 shl 4);</code>
@@ Line 1,225: / Line 1,225: @@
 |-
 | <code>STMPE811_ADC_CTRL1_MOD_12B = (1 shl 3);</code>
-| MOD_12B: Selects 10 or 12-bit ADC operation (1: 12 bit ADC / 0: 10 bit ADC)
+| MOD_12B: Selects 10 or 12-bit ADC operation (1: 12 bit ADC/0: 10 bit ADC)
 |-
 | <code>STMPE811_ADC_CTRL1_REF_SEL = (1 shl 1);</code>
-| REF_SEL: Selects between internal or external reference for the ADC (1: External reference / 0: Internal reference)
+| REF_SEL: Selects between internal or external reference for the ADC (1: External reference/0: Internal reference)
 |-
 |}
@@ Line 1,238: / Line 1,238: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811''
+|colspan="2"|''STMPE610/STMPE811''
 |-
 | <code>STMPE811_ADC_CTRL2_ADC_FREQ_MASK = (3 shl 0);</code>
@@ Line 1,251: / Line 1,251: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811''
+|colspan="2"|''STMPE610/STMPE811''
 |-
 | <code>STMPE811_FIFO_STA_RESET = (1 shl 0);</code>
-| FIFO Reset (Write 0 : FIFO put out of reset mode  / Write 1 : Resets FIFO. All data in FIFO will be cleared)
+| FIFO Reset (Write 0 : FIFO put out of reset mode/Write 1 : Resets FIFO. All data in FIFO will be cleared)
 |-
 |}
@@ Line 1,264: / Line 1,264: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811''
+|colspan="2"|''STMPE610/STMPE811''
 |-
 | <code>STMPE811_INT_CTRL_POLARITY = (1 shl 2);</code>
-| This bit sets the INT pin polarity (1: Active high/rising edge / 0: Active low/falling edge)
+| This bit sets the INT pin polarity (1: Active high/rising edge/0: Active low/falling edge)
 |-
 | <code>STMPE811_INT_CTRL_TYPE = (1 shl 1);</code>
-| This bit sets the type of interrupt signal required by the host (1: Edge interrupt / 0: Level interrupt)
+| This bit sets the type of interrupt signal required by the host (1: Edge interrupt/0: Level interrupt)
 |-
 | <code>STMPE811_INT_CTRL_GLOBAL = (1 shl 0);</code>
-| This is master enable for the interrupt system (1: Global interrupt / 0: Stops all interrupts)
+| This is master enable for the interrupt system (1: Global interrupt/0: Stops all interrupts)
 |-
 |}
@@ Line 1,283: / Line 1,283: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811''
+|colspan="2"|''STMPE610/STMPE811''
 |-
 | <code>STMPE811_INT_EN_GPIO = (1 shl 7);</code>
@@ Line 1,317: / Line 1,317: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811''
+|colspan="2"|''STMPE610/STMPE811''
 |-
 | <code>STMPE811_INT_STA_GPIO = (1 shl 7);</code>
@@ Line 1,355: / Line 1,355: @@
 {| class="wikitable" style="font-size: 14px; background: white;"
 |-
-|colspan="2"|''STMPE610 / STMPE811 Offsets''
+|colspan="2"|''STMPE610/STMPE811 Offsets''
 |-
 |colspan="2"|<code>STMPE811Offsets:TSTMPEOffsets = (</code>
@@ Line 1,719: / Line 1,719: @@
 |colspan="2"|&nbsp;
 |-
-|colspan="2"|''STMPE2401 / STMPE2403 Offsets''
+|colspan="2"|''STMPE2401/STMPE2403 Offsets''
 |-
 |colspan="2"|<code>STMPE240XOffsets:TSTMPEOffsets = (</code>
@@ Line 1,855: / Line 1,855: @@
 |-
 | <code>RegDir:LongWord;</code>
-| The register address direction (Ascending / Descending)
+| The register address direction (Ascending/Descending)
 |-
 | <code>RegSize:LongWord;</code>

`STMPE610_GPIO_DESCRIPTION = 'STMicroelectronics STMPE610 I/O Expander';`	Description of STMPE610 GPIO device
`STMPE801_GPIO_DESCRIPTION = 'STMicroelectronics STMPE801 I/O Expander';`	Description of STMPE801 GPIO device
`STMPE811_GPIO_DESCRIPTION = 'STMicroelectronics STMPE811 I/O Expander';`	Description of STMPE811 GPIO device
`STMPE1601_GPIO_DESCRIPTION = 'STMicroelectronics STMPE1601 I/O Expander';`	Description of STMPE1601 GPIO device
`STMPE1801_GPIO_DESCRIPTION = 'STMicroelectronics STMPE1801 I/O Expander';`	Description of STMPE1801 GPIO device
`STMPE2401_GPIO_DESCRIPTION = 'STMicroelectronics STMPE2401 I/O Expander';`	Description of STMPE2401 GPIO device
`STMPE2403_GPIO_DESCRIPTION = 'STMicroelectronics STMPE2403 I/O Expander';`	Description of STMPE2403 GPIO device

`STMPE610_TOUCH_DESCRIPTION = 'STMicroelectronics STMPE610 Touch Controller';`	Description of STMPE610 Touch device
`STMPE811_TOUCH_DESCRIPTION = 'STMicroelectronics STMPE811 Touch Controller';`	Description of STMPE811 Touch device

`STMPE610_GPIO_MIN_PIN = GPIO_PIN_2;`
`STMPE610_GPIO_MAX_PIN = GPIO_PIN_7;`
`STMPE610_GPIO_PIN_COUNT = 6;`

`STMPE801_GPIO_MIN_PIN = GPIO_PIN_0;`
`STMPE801_GPIO_MAX_PIN = GPIO_PIN_7;`
`STMPE801_GPIO_PIN_COUNT = 8;`

`STMPE811_GPIO_MIN_PIN = GPIO_PIN_0;`
`STMPE811_GPIO_MAX_PIN = GPIO_PIN_7;`
`STMPE811_GPIO_PIN_COUNT = 8;`

`STMPE1601_GPIO_MIN_PIN = GPIO_PIN_0;`
`STMPE1601_GPIO_MAX_PIN = GPIO_PIN_15;`
`STMPE1601_GPIO_PIN_COUNT = 16;`

`STMPE1801_GPIO_MIN_PIN = GPIO_PIN_0;`
`STMPE1801_GPIO_MAX_PIN = GPIO_PIN_17;`
`STMPE1801_GPIO_PIN_COUNT = 18;`

`STMPE240X_GPIO_MIN_PIN = GPIO_PIN_0;`
`STMPE240X_GPIO_MAX_PIN = GPIO_PIN_23;`
`STMPE240X_GPIO_PIN_COUNT = 24;`

`STMPE_GPIO_MAX_LEVEL = GPIO_LEVEL_HIGH;`

`STMPE_GPIO_MAX_PULL = GPIO_PULL_DOWN;`

`STMPE610_GPIO_MIN_FUNCTION = GPIO_FUNCTION_IN;`
`STMPE610_GPIO_MAX_FUNCTION = GPIO_FUNCTION_ALT0;`
`STMPE610_GPIO_FUNCTION_COUNT = 3;`

`STMPE801_GPIO_MIN_FUNCTION = GPIO_FUNCTION_IN;`
`STMPE801_GPIO_MAX_FUNCTION = GPIO_FUNCTION_OUT;`
`STMPE801_GPIO_FUNCTION_COUNT = 2;`

`STMPE811_GPIO_MIN_FUNCTION = GPIO_FUNCTION_IN;`
`STMPE811_GPIO_MAX_FUNCTION = GPIO_FUNCTION_ALT0;`
`STMPE811_GPIO_FUNCTION_COUNT = 3;`

`STMPE1601_GPIO_MIN_FUNCTION = GPIO_FUNCTION_IN;`
`STMPE1601_GPIO_MAX_FUNCTION = GPIO_FUNCTION_ALT1;`	Alternate function 0 = Keypad/Alternate function 1 = PWM
`STMPE1601_GPIO_FUNCTION_COUNT = 4;`

`STMPE1801_GPIO_MIN_FUNCTION = GPIO_FUNCTION_IN;`
`STMPE1801_GPIO_MAX_FUNCTION = GPIO_FUNCTION_ALT0;`
`STMPE1801_GPIO_FUNCTION_COUNT = 3;`

`STMPE240X_GPIO_MIN_FUNCTION = GPIO_FUNCTION_IN;`
`STMPE240X_GPIO_MAX_FUNCTION = GPIO_FUNCTION_ALT2;`
`STMPE240X_GPIO_FUNCTION_COUNT = 5;`

`STMPE610_MAX_POINTS = 1;`
`STMPE610_MAX_X = $FFF;`
`STMPE610_MAX_Y = $FFF;`
`STMPE610_MAX_Z = $FF;`

`STMPE811_MAX_POINTS = 1;`
`STMPE811_MAX_X = $FFF;`
`STMPE811_MAX_Y = $FFF;`
`STMPE811_MAX_Z = $FF;`

`STMPE_CHIP_STMPE610 = 1;`
`STMPE_CHIP_STMPE801 = 2;`
`STMPE_CHIP_STMPE801 = 2;`
`STMPE_CHIP_STMPE811 = 3;`
`STMPE_CHIP_STMPE1601 = 4;`
`STMPE_CHIP_STMPE1801 = 5;`
`STMPE_CHIP_STMPE2401 = 6;`
`STMPE_CHIP_STMPE2403 = 7;`

`STMPE_DIR_ASCENDING = 0;`	Register addresses in ascending order (Bits go from LSB to MSB)
`STMPE_DIR_DESCENDING = 1;`	Register addresses in descending order (Bits go from MSB to LSB)

`STMPE_SPI_RATE = 500000;`	Default SPI clock rate (Device supports up to 1MHz)

`STMPE_SPI_READ_CMD = (1 shl 7);`	First bit of address must be set for a read

STMPE610/STMPE811
`STMPE811_REG_CHIP_ID = $00;`	Device identification
`STMPE811_REG_ID_VER = $02;`	Revision number (0x01 for engineering sample/0x03 for final silicon)
`STMPE811_REG_SYS_CTRL1 = $03;`	Reset control
`STMPE811_REG_SYS_CTRL2 = $04;`	Clock control
`STMPE811_REG_SPI_CFG = $08;`	SPI interface configuration
`STMPE811_REG_INT_CTRL = $09;`	Interrupt control register
`STMPE811_REG_INT_EN = $0A;`	Interrupt enable register
`STMPE811_REG_INT_STA = $0B;`	Interrupt status register

`STMPE811_REG_GPIO_INT_EN = $0C;`	GPIO interrupt enable register
`STMPE811_REG_GPIO_INT_STA = $0D;`	GPIO interrupt status register
`STMPE811_REG_ADC_INT_EN = $0E;`	ADC interrupt enable register
`STMPE811_REG_ADC_INT_STA = $0F;`	ADC interrupt status register
`STMPE811_REG_GPIO_SET_PIN = $10;`	GPIO set pin register
`STMPE811_REG_GPIO_CLR_PIN = $11;`	GPIO clear pin register
`STMPE811_REG_GPIO_MP_STA = $12;`	GPIO monitor pin state register
`STMPE811_REG_GPIO_SET_DIR = $13;`	GPIO direction register
`STMPE811_REG_GPIO_ED = $14;`	GPIO edge detect register
`STMPE811_REG_GPIO_RE = $15;`	GPIO rising edge register
`STMPE811_REG_GPIO_FE = $16;`	GPIO falling edge register
`STMPE811_REG_GPIO_AF = $17;`	Alternate function register

`STMPE811_REG_ADC_CTRL1 = $20;`	ADC control
`STMPE811_REG_ADC_CTRL2 = $21;`	ADC control
`STMPE811_REG_ADC_CAPT = $22;`	To initiate ADC data acquisition
`STMPE811_REG_ADC_DATA_CH0 = $30;`	ADC channel 0
`STMPE811_REG_ADC_DATA_CH1 = $32;`	ADC channel 1
`STMPE811_REG_ADC_DATA_CH2 = $34;`	ADC channel 2
`STMPE811_REG_ADC_DATA_CH3 = $36;`	ADC channel 3
`STMPE811_REG_ADC_DATA_CH4 = $38;`	ADC channel 4
`STMPE811_REG_ADC_DATA_CH5 = $3A;`	ADC channel 5
`STMPE811_REG_ADC_DATA_CH6 = $3C;`	ADC channel 6
`STMPE811_REG_ADC_DATA_CH7 = $3E;`	ADC channel 7

`STMPE811_REG_TSC_CTRL = $40;`	4-wire touchscreen controller setup
`STMPE811_REG_TSC_CFG = $41;`	Touchscreen controller configuration
`STMPE811_REG_WDW_TR_X = $42;`	Window setup for top right X
`STMPE811_REG_WDW_TR_Y = $44;`	Window setup for top right Y
`STMPE811_REG_WDW_BL_X = $46;`	Window setup for bottom left X
`STMPE811_REG_WDW_BL_Y = $48;`	Window setup for bottom left Y
`STMPE811_REG_FIFO_TH = $4A;`	FIFO level to generate interrupt
`STMPE811_REG_FIFO_STA = $4B;`	Current status of FIFO
`STMPE811_REG_FIFO_SIZE = $4C;`	Current filled level of FIFO
`STMPE811_REG_TSC_DATA_X = $4D;`	Data port for touchscreen controller data access
`STMPE811_REG_TSC_DATA_Y = $4F;`	Data port for touchscreen controller data access
`STMPE811_REG_TSC_DATA_Z = $51;`	Data port for touchscreen controller data access
`STMPE811_REG_TSC_DATA_XYZ = $52;`	Data port for touchscreen controller data access
`STMPE811_REG_TSC_FRACTION_Z = $56;`	Touchscreen controller FRACTION_Z
`STMPE811_REG_TSC_DATA = $57;`	Data port for touchscreen controller data access
`STMPE811_REG_TSC_I_DRIVE = $58;`	Touchscreen controller drive I
`STMPE811_REG_TSC_SHIELD = $59;`	Touchscreen controller shield

STMPE811
`STMPE811_REG_TEMP_CTRL= $60;`	Temperature sensor setup
`STMPE811_REG_TEMP_DATA = $61;`	Temperature data access port
`STMPE811_REG_TEMP_TH = $62;`	Threshold for temperature controlled interrupt

`STMPE811_REG_MAX = $62;`
`STMPE811_REG_SIZE = 1;`

STMPE801
`STMPE801_REG_CHIP_ID = $00;`	Device identification
`STMPE801_REG_ID_VER = $02;`	Revision number (0x01 for engineering sample/0x02 for final silicon)
`STMPE801_REG_SYS_CTRL = $04;`	Reset and interrupt control
`STMPE801_REG_GPIO_INT_EN = $08;`	GPIO interrupt enable register
`STMPE801_REG_GPIO_INT_STA = $09;`	GPIO interrupt status register
`STMPE801_REG_GPIO_MP_STA = $10;`	GPIO monitor pin state register
`STMPE801_REG_GPIO_SET_PIN = $11;`	GPIO set pin state register
`STMPE801_REG_GPIO_SET_DIR = $12;`	GPIO set pin direction register

`STMPE801_REG_MAX = $12;`
`STMPE801_REG_SIZE = 1;`

STMPE1601
`STMPE1601_REG_CHIP_ID = $80;`	Device identification
`STMPE1601_REG_ID_VER = $81;`	Revision number

`STMPE1601_REG_SYS_CTRL = $02;`	System control register
`STMPE1601_REG_SYS_CTRL2 = $03;`	System control register 2
`STMPE1601_REG_INT_CTRL_MSB = $10;`	Interrupt control register
`STMPE1601_REG_INT_CTRL_LSB = $11;`
`STMPE1601_REG_INT_EN_MSB = $12;`	Interrupt enable mask register
`STMPE1601_REG_INT_EN_LSB = $13;`
`STMPE1601_REG_INT_STA_MSB = $14;`	Interrupt status register
`STMPE1601_REG_INT_STA_LSB = $15;`

`STMPE1601_REG_GPIO_INT_EN_MSB = $16;`	Interrupt enable GPIO mask register
`STMPE1601_REG_GPIO_INT_EN_LSB = $17;`
`STMPE1601_REG_GPIO_INT_STA_MSB = $18;`	Interrupt status GPIO register
`STMPE1601_REG_GPIO_INT_STA_LSB = $19;`

`STMPE1601_REG_GPIO_SET_PIN_MSB = $82;`	GPIO set pin state register
`STMPE1601_REG_GPIO_SET_PIN_LSB = $83;`
`STMPE1601_REG_GPIO_CLR_PIN_MSB = $84;`	GPIO clear pin state register
`STMPE1601_REG_GPIO_CLR_PIN_LSB = $85;`
`STMPE1601_REG_GPIO_MP_STA_MSB = $86;`	GPIO monitor pin state register
`STMPE1601_REG_GPIO_MP_STA_LSB = $87;`
`STMPE1601_REG_GPIO_SET_DIR_MSB = $88;`	GPIO set pin direction register
`STMPE1601_REG_GPIO_SET_DIR_LSB = $89;`

`STMPE1601_REG_GPIO_ED_MSB = $8A;`	GPIO edge detect status register
`STMPE1601_REG_GPIO_ED_LSB = $8B;`
`STMPE1601_REG_GPIO_RE_MSB = $8C;`	GPIO rising edge register
`STMPE1601_REG_GPIO_RE_LSB = $8D;`
`STMPE1601_REG_GPIO_FE_MSB = $8E;`	GPIO falling edge register
`STMPE1601_REG_GPIO_FE_LSB = $8F;`
`STMPE1601_REG_GPIO_PU_MSB = $90;`	GPIO pull up register
`STMPE1601_REG_GPIO_PU_LSB = $91;`
`STMPE1601_REG_GPIO_AF_U_MSB = $92;`	GPIO alternate function register (upper word)
`STMPE1601_REG_GPIO_AF_U_LSB = $93;`
`STMPE1601_REG_GPIO_AF_L_MSB = $94;`	GPIO alternate function register (lower word)
`STMPE1601_REG_GPIO_AF_L_LSB = $95;`

`STMPE1601_REG_GPIO_LT_EN = $96;`	GPIO level translator enable
`STMPE1601_REG_GPIO_LT_DIR = $97;`	GPIO level translator direction

`STMPE1601_REG_MAX = $BF;`
`STMPE1601_REG_SIZE = 2;`

STMPE1801
`STMPE1801_REG_CHIP_ID = $00;`	Device identification
`STMPE1801_REG_ID_VER = $01;`	Revision number

`STMPE1801_REG_SYS_CTRL = $02;`	System control
`STMPE1801_REG_INT_CTRL_LOW = $04;`	Interrupt control
`STMPE1801_REG_INT_CTRL_HIGH = $05;`
`STMPE1801_REG_INT_EN_LOW = $06;`	Interrupt enable mask
`STMPE1801_REG_INT_EN_HIGH = $07;`
`STMPE1801_REG_INT_STA_LOW = $08;`	Interrupt status
`STMPE1801_REG_INT_STA_HIGH = $09;`

`STMPE1801_REG_GPIO_INT_EN_LOW = $0A;`	Interrupt enable GPIO mask
`STMPE1801_REG_GPIO_INT_EN_MID = $0B;`
`STMPE1801_REG_GPIO_INT_EN_HIGH = $0C;`
`STMPE1801_REG_GPIO_INT_STA_LOW = $0D;`	Interrupt status GPIO
`STMPE1801_REG_GPIO_INT_STA_MID = $0E;`
`STMPE1801_REG_GPIO_INT_STA_HIGH = $0F;`
`STMPE1801_REG_GPIO_SET_PIN_LOW = $10;`	GPIO set pin state
`STMPE1801_REG_GPIO_SET_PIN_MID = $11;`
`STMPE1801_REG_GPIO_SET_PIN_HIGH = $12`
`STMPE1801_REG_GPIO_CLR_PIN_LOW = $13;`	GPIO clear pin state
`STMPE1801_REG_GPIO_CLR_PIN_MID = $14;`
`STMPE1801_REG_GPIO_CLR_PIN_HIGH = $15;`
`STMPE1801_REG_GPIO_MP_STA_LOW = $16;`	GPIO monitor pin state
`STMPE1801_REG_GPIO_MP_STA_MID = $17;`
`STMPE1801_REG_GPIO_MP_STA_HIGH = $18;`
`STMPE1801_REG_GPIO_SET_DIR_LOW = $19;`	GPIO set pin direction register
`STMPE1801_REG_GPIO_SET_DIR_MID = $1A;`
`STMPE1801_REG_GPIO_SET_DIR_HIGH = $1B;`

`STMPE1801_REG_GPIO_RE_LOW = $1C;`	GPIO rising edge
`STMPE1801_REG_GPIO_RE_MID = $1D;`
`STMPE1801_REG_GPIO_RE_HIGH = $1E;`
`STMPE1801_REG_GPIO_FE_LOW = $1F;`	GPIO falling edge
`STMPE1801_REG_GPIO_FE_MID = $20;`
`STMPE1801_REG_GPIO_FE_HIGH = $21;`
`STMPE1801_REG_GPIO_PULL_UP_LOW = $22;`	GPIO pull up
`STMPE1801_REG_GPIO_PULL_UP_MID = $23;`
`STMPE1801_REG_GPIO_PULL_UP_HIGH = $24;`

`STMPE1801_REG_KPC_ROW = $30;`	Keypad row scanning
`STMPE1801_REG_KPC_COL_LOW = $31;`	Keypad column scanning
`STMPE1801_REG_KPC_COL_HIGH = $32;`
`STMPE1801_REG_KPC_CTRL_LOW = $33;`	Key config: Scan count and dedicated key
`STMPE1801_REG_KPC_CTRL_MID = $34;`
`STMPE1801_REG_KPC_CTRL_HIGH = $35;`
`STMPE1801_REG_KPC_CMD = $36;`	Keypad command
`STMPE1801_REG_KPC_COMB_KEY_0 = $37;`	Keypad combination key mask
`STMPE1801_REG_KPC_COMB_KEY_1 = $38;`
`STMPE1801_REG_KPC_COMB_KEY_2 = $39;`
`STMPE1801_REG_KPC_DATA_BYTE0 = $3A;`	Keypad data
`STMPE1801_REG_KPC_DATA_BYTE1 = $3B;`
`STMPE1801_REG_KPC_DATA_BYTE2 = $3C;`
`STMPE1801_REG_KPC_DATA_BYTE3 = $3D;`
`STMPE1801_REG_KPC_DATA_BYTE4 = $3E;`

`STMPE1801_REG_MAX = $3E;`
`STMPE1801_REG_SIZE = 3;`

STMPE2401/STMPE2403
`STMPE240X_REG_CHIP_ID = $80;`	Device identification
`STMPE240X_REG_ID_VER = $81;`	Revision number

`STMPE240X_REG_SYS_CTRL = $02;`	System control register
`STMPE240X_REG_INT_CTRL_MSB = $10;`	Interrupt Control Register
`STMPE240X_REG_INT_CTRL_LSB = $11;`
`STMPE240X_REG_INT_EN_MSB = $12;`	Interrupt Enable Mask Register
`STMPE240X_REG_INT_EN_LSB = $13;`
`STMPE240X_REG_INT_STA_MSB = $14;`	Interrupt Status Register
`STMPE240X_REG_INT_STA_LSB = $15;`

`STMPE240X_REG_GPIO_INT_EN_MSB = $16;`	Interrupt Enable GPIO Mask Register
`STMPE240X_REG_GPIO_INT_EN_MID = $17;`
`STMPE240X_REG_GPIO_INT_EN_LSB = $18;`
`STMPE240X_REG_GPIO_INT_STA_MSB = $19;`	Interrupt Status GPIO Register
`STMPE240X_REG_GPIO_INT_STA_MID = $1A;`
`STMPE240X_REG_GPIO_INT_STA_LSB = $1B;`
`STMPE240X_REG_GPIO_MP_STA_MSB = $A2;`	GPIO Monitor Pin State Register
`STMPE240X_REG_GPIO_MP_STA_MID = $A3;`
`STMPE240X_REG_GPIO_MP_STA_LSB = $A4;`
`STMPE240X_REG_GPIO_SET_PIN_MSB = $83;`	GPIO Set Pin State Register
`STMPE240X_REG_GPIO_SET_PIN_MID = $84;`
`STMPE240X_REG_GPIO_SET_PIN_LSB = $85;`
`STMPE240X_REG_GPIO_CLR_PIN_MSB = $86;`	GPIO Clear Pin State Register
`STMPE240X_REG_GPIO_CLR_PIN_MID = $87;`
`STMPE240X_REG_GPIO_CLR_PIN_LSB = $88;`
`STMPE240X_REG_GPIO_SET_DIR_MSB = $89;`	GPIO Set Pin Direction Register
`STMPE240X_REG_GPIO_SET_DIR_MID = $8A;`
`STMPE240X_REG_GPIO_SET_DIR_LSB = $8B;`
`STMPE240X_REG_GPIO_ED_MSB = $8C;`	GPIO Edge Detect Status Register
`STMPE240X_REG_GPIO_ED_MID = $8D;`
`STMPE240X_REG_GPIO_ED_LSB = $8E;`
`STMPE240X_REG_GPIO_RE_MSB = $8F;`	GPIO Rising Edge Register
`STMPE240X_REG_GPIO_RE_MID = $90;`
`STMPE240X_REG_GPIO_RE_LSB = $91;`
`STMPE240X_REG_GPIO_FE_MSB = $92;`	GPIO Falling Edge Register
`STMPE240X_REG_GPIO_FE_MID = $93;`
`STMPE240X_REG_GPIO_FE_LSB = $94;`
`STMPE240X_REG_GPIO_PULL_UP_MSB = $95;`	GPIO Pull Up Register
`STMPE240X_REG_GPIO_PULL_UP_MID = $96;`
`STMPE240X_REG_GPIO_PULL_UP_LSB = $97;`
`STMPE240X_REG_GPIO_PULL_DN_MSB = $98;`	GPIO Pull Down Register
`STMPE240X_REG_GPIO_PULL_DN_MID = $99;`
`STMPE240X_REG_GPIO_PULL_DN_LSB = $9A;`
`STMPE240X_REG_GPIO_AF_U_MSB = $9B;`	GPIO Alternate Function Register (Upper Bit)
`STMPE240X_REG_GPIO_AF_U_MID = $9C;`
`STMPE240X_REG_GPIO_AF_U_LSB = $9D;`
`STMPE240X_REG_GPIO_AF_L_MSB = $9E;`	GPIO Alternate Function Register(Lower Bit)
`STMPE240X_REG_GPIO_AF_L_MID = $9F;`
`STMPE240X_REG_GPIO_AF_L_LSB = $A0;`

`STMPE240X_REG_PWMCS = $30;`	PWM Control and Status register
`STMPE240X_REG_PWMIC0 = $38;`	PWM instructions are initialized through this data port
`STMPE240X_REG_PWMIC1 = $39;`
`STMPE240X_REG_PWMIC2 = $3A;`

`STMPE240X_REG_KPC_COL = $60;`	Keypad column scanning register
`STMPE240X_REG_KPC_ROW_MSB = $61;`	Keypad row scanning register
`STMPE240X_REG_KPC_ROW_LSB = $62;`
`STMPE240X_REG_KPC_CTRL_MSB = $63;`	Keypad control register
`STMPE240X_REG_KPC_CTRL_LSB = $64;`
`STMPE240X_REG_KPC_DATA_BYTE0 = $68;`	Keypad data register
`STMPE240X_REG_KPC_DATA_BYTE1 = $69;`
`STMPE240X_REG_KPC_DATA_BYTE2 = $6A;`

`STMPE240X_REG_MAX = $BF;`
`STMPE240X_REG_SIZE = 3;`

`STMPE_REG_UNKNOWN = $FF;`

STMPE610/STMPE811
`STMPE811_CHIP_ID = $0811;`

STMPE801
`STMPE801_CHIP_ID = $0801;`

STMPE1601
`STMPE1601_CHIP_ID = $02;`

STMPE1801
`STMPE1801_CHIP_ID = $C1;`

STMPE2401/STMPE2403
`STMPE240X_CHIP_ID = $01;`

STMPE610/STMPE811
`STMPE811_SYS_CTRL2_TS_OFF = (1 shl 3);`	1: Switches off the clock supply to the temperature sensor
`STMPE811_SYS_CTRL2_GPIO_OFF (1 shl 2);`	1: Switches off the clock supply to the GPIO
`STMPE811_SYS_CTRL2_TSC_OFF = (1 shl 1);`	1: Switches off the clock supply to the touchscreen controller
`STMPE811_SYS_CTRL2_ADC_OFF = (1 shl 0);`	1: Switches off the clock supply to the ADC

STMPE801
`STMPE801_SYS_CTRL_RESET = (1 shl 7);`	Writing 1 to this bit causes a soft reset.
`STMPE801_SYS_CTRL_INT_EN = (1 shl 2);`	INT Enable 1 to enable, 0 to disable INT output.
`STMPE801_SYS_CTRL_INT_HI = (1 shl 0);`	INT Polarity 1 for active HI, 0 for active LOW.

STMPE1601
`STMPE1601_SYS_CTRL_RESET = (1 shl 7);`	Writing a 1 to this bit will do a soft reset of the device. Once the reset is done, this bit will be cleared to 0 by the HW.
`STMPE1601_SYS_CTRL_ENABLE_GPIO = (1 shl 3);`	Writing a 0 to this bit will gate off the clock to the GPIO module, thus stopping its operation.
`STMPE1601_SYS_CTRL_ENABLE_KPC = (1 shl 1);`	Writing a 0 to this bit will gate off the clock to the keypad controller module, thus stopping its operation.
`STMPE1601_SYS_CTRL_ENABLE_SPWM = (1 shl 0);`	Writing a 0 to this bit will gate off the clock to the simple PWM controller module, thus stopping its operation.

STMPE1801
`STMPE1801_SYS_CTRL_RESET = (1 shl 7);`	Writing a 1 to this bit will do a soft reset of the device. Once the reset is done, this bit will be cleared to 0 by the HW.

STMPE240X
`STMPE240X_SYS_CTRL_RESET = (1 shl 7);`	Writing a 1 to this bit will do a soft reset of the device. Once the reset is done, this bit will be cleared to 0 by the HW.
`STMPE240X_SYS_CTRL_ENABLE_GPIO = (1 shl 3);`	Writing a 0 to this bit will gate off the clock to the GPIO module, thus stopping its operation.
`STMPE240X_SYS_CTRL_ENABLE_PWM = (1 shl 2);`	Writing a 0 to this bit will gate off the clock to the PWM module, thus stopping its operation.
`STMPE240X_SYS_CTRL_ENABLE_KPC = (1 shl 1);`	Writing a 0 to this bit will gate off the clock to the Keypad Controller module, thus stopping its operation.
`STMPE240X_SYS_CTRL_ENABLE_ROT = (1 shl 0);`	Writing a 0 to this bit will gate off the clock to the Rotator module, thus stopping its operation.

STMPE610/STMPE811
`STMPE811_TSC_CTRL_TSC_STA = (1 shl 7);`	TSC status (Reads '1' when touch is detected/Reads '0' when touch is not detected)
`STMPE811_TSC_CTRL_TRACK_MASK = (7 shl 4);`	TRACK: Tracking index
`STMPE811_TSC_CTRL_OPMODE_XYZ = (0 shl 1);`	OP_MOD: TSC operating mode: X, Y, Z acquisition
`STMPE811_TSC_CTRL_OPMODE_XY = (1 shl 1);`	OP_MOD: TSC operating mode: X, Y only
`STMPE811_TSC_CTRL_OPMODE_X = (2 shl 1);`	OP_MOD: TSC operating mode: X only
`STMPE811_TSC_CTRL_OPMODE_Y = (3 shl 1);`	OP_MOD: TSC operating mode: Y only
`STMPE811_TSC_CTRL_OPMODE_Z = (4 shl 1);`	OP_MOD: TSC operating mode: Z only
`STMPE811_TSC_CTRL_TSC_EN = (1 shl 0);`	Enable TSC

STMPE610/STMPE811
`STMPE811_TSC_CFG_AVE_CTRL_1 = (0 shl 6);`	AVE_CTRL: Average control: 1 sample
`STMPE811_TSC_CFG_AVE_CTRL_2 = (1 shl 6);`	AVE_CTRL: Average control: 2 samples
`STMPE811_TSC_CFG_AVE_CTRL_4 = (2 shl 6);`	AVE_CTRL: Average control: 4 samples
`STMPE811_TSC_CFG_AVE_CTRL_8 = (3 shl 6);`	AVE_CTRL: Average control: 8 samples
`STMPE811_TSC_CFG_TOUCH_DET_DELAY_MASK = (7 shl 3);`	TOUCH_DET_DELAY: Touch detect delay
`STMPE811_TSC_CFG_SETTLING_MASK = (7 shl 0);`	SETTLING: Panel driver settling time

STMPE610/STMPE811
`STMPE811_INT_EN_GPIO = (1 shl 7);`	GPIO: Any enabled GPIO interrupts
`STMPE811_INT_EN_ADC = (1 shl 6);`	ADC: Any enabled ADC interrupts
`STMPE811_INT_EN_TEMP_SENS = (1 shl 5);`	TEMP_SENS: Temperature threshold triggering
`STMPE811_INT_EN_FIFO_EMPTY = (1 shl 4);`	FIFO_EMPTY: FIFO is empty
`STMPE811_INT_EN_FIFO_FULL = (1 shl 3);`	FIFO_FULL: FIFO is full
`STMPE811_INT_EN_FIFO_OFLOW = (1 shl 2);`	FIFO_OFLOW: FIFO is overflowed
`STMPE811_INT_EN_FIFO_TH = (1 shl 1);`	FIFO_TH: FIFO is equal or above threshold value
`STMPE811_INT_EN_TOUCH_DET = (1 shl 0);`	TOUCH_DET: Touch is detected

STMPE610/STMPE811
`STMPE811_INT_STA_GPIO = (1 shl 7);`	GPIO: Any enabled GPIO interrupts
`STMPE811_INT_STA_ADC = (1 shl 6);`	ADC: Any enabled ADC interrupts
`STMPE811_INT_STA_TEMP_SENS = (1 shl 5);`	TEMP_SENS: Temperature threshold triggering
`STMPE811_INT_STA_FIFO_EMPTY = (1 shl 4);`	FIFO_EMPTY: FIFO is empty
`STMPE811_INT_STA_FIFO_FULL = (1 shl 3);`	FIFO_FULL: FIFO is full
`STMPE811_INT_STA_FIFO_OFLOW = (1 shl 2);`	FIFO_OFLOW: FIFO is overflowed
`STMPE811_INT_STA_FIFO_TH = (1 shl 1);`	FIFO_TH: FIFO is equal or above threshold value
`STMPE811_INT_STA_TOUCH_DET = (1 shl 0);`	TOUCH_DET: Touch is detected

`STMPE811_INT_STA_TOUCH_MASK = STMPE811_INT_STA_FIFO_EMPTY or STMPE811_INT_STA_FIFO_FULL or STMPE811_INT_STA_FIFO_OFLOW or STMPE811_INT_STA_FIFO_TH or STMPE811_INT_STA_TOUCH_DET;`

STMPE610/STMPE811 Offsets
`STMPE811Offsets:TSTMPEOffsets = (`
Control Register offsets
`SysCtrl:STMPE811_REG_SYS_CTRL2;`
`IntCtrl:STMPE811_REG_INT_CTRL;`
`IntEnable:STMPE811_REG_INT_EN;`
`IntStatus:STMPE811_REG_INT_STA;`

GPIO Registers offsets
`GPIOIntEnable:STMPE811_REG_GPIO_INT_EN;`
`GPIOIntStatus:STMPE811_REG_GPIO_INT_STA;`
`GPIOPinGet:STMPE811_REG_GPIO_MP_STA;`
`GPIOPinSet:STMPE811_REG_GPIO_SET_PIN;`
`GPIOPinClr:STMPE811_REG_GPIO_CLR_PIN;`
`GPIODirSet:STMPE811_REG_GPIO_SET_DIR;`
`GPIOFuncSet:STMPE811_REG_GPIO_AF;`
`GPIOPullUp:STMPE_REG_UNKNOWN;`
`GPIOPullDown:STMPE_REG_UNKNOWN;`
`GPIOEdgeDetect:STMPE811_REG_GPIO_ED;`
`GPIORisingEdge:STMPE811_REG_GPIO_RE;`
`GPIOFallingEdge:STMPE811_REG_GPIO_FE;`

Touchscreen Register offsets (610 and 811 Only)
`ADCCtrl1:STMPE811_REG_ADC_CTRL1;`
`ADCCtrl2:STMPE811_REG_ADC_CTRL2;`
`TSCCtrl:STMPE811_REG_TSC_CTRL;`
`TSCCfg:STMPE811_REG_TSC_CFG;`
`FIFOThreshold:STMPE811_REG_FIFO_TH;`
`FIFOStatus:STMPE811_REG_FIFO_STA;`
`TSCDataXYZ:STMPE811_REG_TSC_DATA_XYZ;`
`TSCFractionZ:STMPE811_REG_TSC_FRACTION_Z;`
`TSCIDrive:STMPE811_REG_TSC_I_DRIVE );`

STMPE801 Offsets
`STMPE801Offsets:TSTMPEOffsets = (`
Control Register offsets
`SysCtrl:STMPE801_REG_SYS_CTRL;`
`IntCtrl:STMPE801_REG_SYS_CTRL;`
`IntEnable:STMPE_REG_UNKNOWN;`
`IntStatus:STMPE_REG_UNKNOWN;`

Control Register offsets
`SysCtrl:Byte;`
`IntCtrl:Byte;`
`IntEnable:Byte;`
`IntStatus:Byte;`
GPIO Registers offsets
`GPIOIntEnable:Byte;`
`GPIOIntStatus:Byte;`
`GPIOPinGet:Byte;`
`GPIOPinSet:Byte;`
`GPIOPinClr:Byte;`
`GPIODirSet:Byte;`
`GPIOFuncSet:Byte;`
`GPIOPullUp:Byte;`
`GPIOPullDown:Byte;`
`GPIOEdgeDetect:Byte;`
`GPIORisingEdge:Byte;`
`GPIOFallingEdge:Byte;`
Touchscreen Register offsets (610 and 811 Only)
`ADCCtrl1:Byte;`
`ADCCtrl2:Byte;`
`TSCCtrl:Byte;`
`TSCCfg:Byte;`
`FIFOThreshold:Byte;`
`FIFOStatus:Byte;`
`TSCDataXYZ:Byte;`
`TSCFractionZ:Byte;`
`TSCIDrive:Byte;`

STMPE610/STMPE811
`STMPE811_ADC_CTRL1_SAMPLE_TIME_MASK = (7 shl 4);`	SAMPLE_TIMEn: ADC conversion time in number of clock
`STMPE811_ADC_CTRL1_MOD_12B = (1 shl 3);`	MOD_12B: Selects 10 or 12-bit ADC operation (1: 12 bit ADC/0: 10 bit ADC)
`STMPE811_ADC_CTRL1_REF_SEL = (1 shl 1);`	REF_SEL: Selects between internal or external reference for the ADC (1: External reference/0: Internal reference)

STMPE610/STMPE811
`STMPE811_ADC_CTRL2_ADC_FREQ_MASK = (3 shl 0);`	ADC_FREQ: Selects the clock speed of ADC

STMPE610/STMPE811
`STMPE811_FIFO_STA_RESET = (1 shl 0);`	FIFO Reset (Write 0 : FIFO put out of reset mode/Write 1 : Resets FIFO. All data in FIFO will be cleared)

STMPE610/STMPE811
`STMPE811_INT_CTRL_POLARITY = (1 shl 2);`	This bit sets the INT pin polarity (1: Active high/rising edge/0: Active low/falling edge)
`STMPE811_INT_CTRL_TYPE = (1 shl 1);`	This bit sets the type of interrupt signal required by the host (1: Edge interrupt/0: Level interrupt)
`STMPE811_INT_CTRL_GLOBAL = (1 shl 0);`	This is master enable for the interrupt system (1: Global interrupt/0: Stops all interrupts)

General Properties
`Chip:LongWord;`	The chip type (eg STMPE_CHIP_STMPE610)
`IRQ:TGPIOInfo;`	The GPIO information for the IRQ line (Optional)
I2C Properties
`I2C:PI2CDevice;`	The I2C device this device is connected to (Optional)
`Address:Word;`	The I2C address of the device
SPI Properties
`SPI:PSPIDevice;`	The SPI device this device is connected to (Optional)
`ChipSelect:Word;`	The SPI chip select of the device
Register Properties
`RegMax:LongWord;`	The maximum register address for read or write
`RegDir:LongWord;`	The register address direction (Ascending/Descending)
`RegSize:LongWord;`	The standard size of a register read or write

GPIO Properties
`GPIO:TGPIODevice;`
STMPE Properties
`Control:TSTMPEControl;`	The control information (Chip, I2C, SPI etc) for this device
`Offsets:TSTMPEOffsets;`	The register offsets for this device

Touch Properties
`Touch:TTouchDevice;`
STMPE Properties
`Control:TSTMPEControl;`	The control information (Chip, I2C, SPI etc) for this device
`Offsets:TSTMPEOffsets;`	The register offsets for this device
`Timer:TTimerHandle;`	Handle for touch release timer

I2C	The I2C device this STMPE610 is connected to (Optional)
SPI	The SPI device this STMPE610 is connected to (Optional)
Address	The I2C address for this STMPE610 (or I2C_ADDRESS_INVALID if SPI connected)
ChipSelect	The SPI chip select for this STMPE610 (or SPI_CS_NONE if I2C connected)
IRQ	The GPIO information for the IRQ line (Optional)
Return	Pointer to the new GPIO device or nil on failure
Note	Either I2C or SPI must be specified but not both

I2C	The I2C device this STMPE801 is connected to
Address	The I2C address for this STMPE801
IRQ	The GPIO information for the IRQ line (Optional)
Return	Pointer to the new GPIO device or nil on failure

I2C	The I2C device this STMPE811 is connected to (Optional)
SPI	The SPI device this STMPE811 is connected to (Optional)
Address	The I2C address for this STMPE811 (or I2C_ADDRESS_INVALID if SPI connected)
ChipSelect	The SPI chip select for this STMPE811 (or SPI_CS_NONE if I2C connected)
IRQ	The GPIO information for the IRQ line (Optional)
Return	Pointer to the new GPIO device or nil on failure
Note	Either I2C or SPI must be specified but not both

Difference between revisions of "Unit STMPE"

Revision as of 04:26, 13 April 2017

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Constants

Type definitions

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I2C	The I2C device this STMPE1601 is connected to
Address	The I2C address for this STMPE1601
IRQ	The GPIO information for the IRQ line (Optional)
Return	Pointer to the new GPIO device or nil on failure

I2C	The I2C device this STMPE1801 is connected to
Address	The I2C address for this STMPE1801
IRQ	The GPIO information for the IRQ line (Optional)
Return	Pointer to the new GPIO device or nil on failure

I2C	The I2C device this STMPE2401 is connected to
Address	The I2C address for this STMPE2401
IRQ	The GPIO information for the IRQ line (Optional)
Return	Pointer to the new GPIO device or nil on failure

GPIO	The GPIO device to destroy
Return	ERROR_SUCCESS if completed or another error code on failure

Touch	The Touch device to destroy
Return	ERROR_SUCCESS if completed or another error code on failure