Nathan Yonkee
use mbed os
Dependents: Seeed_Grove_I2C_Touch_Example
Diff: MPR121.h
- Revision:
- 18:8c7054b112f0
- Parent:
- 16:94e77e14a859
- Parent:
- 17:2d6b050ad8b8
- Child:
- 19:eaa64138290b
--- a/MPR121.h Sun Jul 02 11:27:59 2017 -0600
+++ b/MPR121.h Sun Jul 02 17:34:58 2017 +0000
@@ -1,211 +1,618 @@
-<<<<<<< working copy
-/**
- * @file MPR121.h
- * @brief Device driver - MPR121 capactiive touch IC
- * @author sam grove
- * @version 1.0
- * @see http://cache.freescale.com/files/sensors/doc/data_sheet/MPR121.pdf
- *
- * Copyright (c) 2013
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef MPR121_H
-#define MPR121_H
-
-#include "mbed.h"
-#include "rtos.h"
-
-/** Using the Sparkfun SEN-10250 BoB
- *
- * Example:
- * @code
- * #include "mbed.h"
- * #include "MPR121.h"
- *
- * Serial pc(USBTX, USBRX);
- * DigitalOut myled(LED1);
- *
- * #if defined TARGET_LPC1768 || TARGET_LPC11U24
- * I2C i2c(p28, p27);
- * InterruptIn irq(p26);
- * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS);
- *
- * #elif defined TARGET_KL25Z
- * I2C i2c(PTC9, PTC8);
- * InterruptIn irq(PTA5);
- * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS);
- *
- * #else
- * #error TARGET NOT TESTED
- * #endif
- *
- * int main()
- * {
- * touch_pad.init();
- * touch_pad.enable();
- *
- * while(1)
- * {
- * if(touch_pad.isPressed())
- * {
- * uint16_t button_val = touch_pad.buttonPressed();
- * printf("button = 0x%04x\n", button_val);
- * myled = (button_val>0) ? 1 : 0;
- * }
- * }
- * }
- * @endcode
- */
-
-/**
- * @class MPR121
- * @brief API for the MPR121 capacitive touch IC
- */
-class MPR121
-{
-private:
-
- I2C *_i2c;
- InterruptIn *_irq;
- uint8_t _i2c_addr;
- volatile uint16_t _button;
- volatile uint32_t _button_has_changed;
-
- /** The interrupt handler for the IRQ pin
- */
- void handler(void);
-
-public:
-
- /**
- * @enum MPR121_ADDR
- * @brief Possible terminations for the ADDR pin
- */
- enum MPR121_ADDR
- {
- ADDR_VSS = 0x5A, /*!< ADDR connected to VSS */
- ADDR_VDD, /*!< ADDR connected to VDD */
- ADDR_SCL, /*!< ADDR connected to SDA */
- ADDR_SDA /*!< ADDR connected to SCL */
- };
-
- /**
- * @enum MPR121_REGISTER
- * @brief The device register map
- */
- enum MPR121_REGISTER
- {
- ELE0_7_STAT = 0x00,
- ELE8_11_STAT, ELE0_7_OOR_STAT, ELE8_11_OOR_STAT, EFD0LB, EFD0HB,
- EFD1LB, EFD1HB, EFD2LB, EFD2HB, EFD3LB, EFD3HB, EFD4LB, EFD4HB, EFD5LB, EFD5HB,
-
- EFD6LB = 0x10,
- EFD6HB, EFD7LB, EFD7HB, EFD8LB, EFD8HB, EFD9LB, EFD9HB, EFD10LB,
- EFD10HB, EFD11LB, EFD11HB, EFDPROXLB, EFDPROXHB, E0BV, E1BV,
-
- E2BV = 0x20,
- E3BV, E4BV, E5BV, E6BV, E7BV, E8BV, E9BV, E10BV, E11BV, EPROXBV,
- MHDR, NHDR, NCLR, FDLR, MHDF,
-
- NHDF = 0x30,
- NCLF, FDLF, NHDT, NCLT, FDLT, MHDPROXR, NHDPROXR, NCLPROXR,
- FDLPROXR, MHDPROXF, NHDPROXF, NCLPROXF, FDLPROXF, NHDPROXT, NCLPROXT,
-
- FDLPROXT = 0x40,
- E0TTH, E0RTH, E1TTH, E1RTH, E2TTH, E2RTH, E3TTH, E3RTH,
- E4TTH, E4RTH, E5TTH, E5RTH, E6TTH, E6RTH, E7TTH,
-
- E7RTH = 0x50,
- E8TTH, E8RTH, E9TTH, E9RTH, E10TTH, E10RTH, E11TTH, E11RTH,
- EPROXTTH, EPROXRTH, DT_DR, CDC_CONFIG, CDT_CONFIG, ECR, CDC0,
-
- CDC1 = 0x60,
- CDC2, CDC3, CDC4, CDC5, CDC6, CDC7, CDC8, CDC9, CDC10, CDC11, CDCPROX, CDT0_CDT1,
- CDT2_CDT3, CDT4_CDT5, CDT6_CDT7,
-
- CDT8_CDT9 = 0x70,
- CDT10_CDT11, CDTPROX, GPIO_CTRL0, GPIO_CTRL1, GPIO_DATA, GPIO_DIR, GPIO_EN, GPIO_SET,
- GPIO_CLR, GPIO_TOGGLE, AUTO_CFG0, AUTO_CFG1, USL, LSL, TL,
-
- SRST = 0x80
- };
-
- /** Create the MPR121 object
- * @param i2c - A defined I2C object
- * @param pin - A defined InterruptIn object
- * @param i2c_addr - Connection of the address line
- */
- MPR121(I2C &i2c, InterruptIn &pin, MPR121_ADDR i2c_addr);
-
- /** Create the MPR121 object
- * @param i2c - A defined I2C object
- * @param i2c_addr - Connection of the address line
- */
- MPR121(I2C &i2c, MPR121_ADDR i2c_addr);
-
- /** Clear state variables and initilize the dependant objects
- */
- void init(void);
-
- /** Allow the IC to run and collect user input
- */
- void enable(void);
-
- /** Stop the IC and put into low power mode
- */
- void disable(void);
-
- /** Determine if a new button press event occured
- * Upon calling the state is cleared until another press is detected
- * @return 1 if a press has been detected since the last call, 0 otherwise
- */
- uint32_t isPressed(void);
-
- /** Get the electrode status (ELE12 ... ELE0 -> b15 xxx b11 ... b0
- * The buttons are bit mapped. ELE0 = b0 ... ELE11 = b11 b12 ... b15 undefined
- * @return The state of all buttons
- */
- uint16_t buttonPressed(void);
-
- /** print the register map and values to the console
- * @param obj - a Serial object that prints to a console
- */
- void registerDump(Serial &obj) const;
-
- /** print the register map and values to the console
- */
- void registerDump(void) const;
-
- /** Write to a register (exposed for debugging reasons)
- * Note: most writes are only valid in stop mode
- * @param reg - The register to be written
- * @param data - The data to be written
- */
- void writeRegister(MPR121_REGISTER const reg, uint8_t const data) const;
-
- /** Read from a register (exposed for debugging reasons)
- * @param reg - The register to read from
- * @return The register contents
- */
- uint8_t readRegister(MPR121_REGISTER const reg) const;
-
-};
-
-#endif
+/**
+ * @file MPR121.h
+ * @brief Device driver - MPR121 capactiive touch IC
+ * @author sam grove
+ * @version 1.0
+ * @see http://cache.freescale.com/files/sensors/doc/data_sheet/MPR121.pdf
+ *
+ * Copyright (c) 2013
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MPR121_H
+#define MPR121_H
+
+#include "mbed.h"
+
+/** Using the Sparkfun SEN-10250 BoB
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ * #include "MPR121.h"
+ *
+ * Serial pc(USBTX, USBRX);
+ * DigitalOut myled(LED1);
+ *
+ * #if defined TARGET_LPC1768 || TARGET_LPC11U24
+ * I2C i2c(p28, p27);
+ * InterruptIn irq(p26);
+ * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS);
+ *
+ * #elif defined TARGET_KL25Z
+ * I2C i2c(PTC9, PTC8);
+ * InterruptIn irq(PTA5);
+ * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS);
+ *
+ * #else
+ * #error TARGET NOT TESTED
+ * #endif
+ *
+ * int main()
+ * {
+ * touch_pad.init();
+ * touch_pad.enable();
+ *
+ * while(1)
+ * {
+ * if(touch_pad.isPressed())
+ * {
+ * uint16_t button_val = touch_pad.buttonPressed();
+ * printf("button = 0x%04x\n", button_val);
+ * myled = (button_val>0) ? 1 : 0;
+ * }
+ * }
+ * }
+ * @endcode
+ */
+
+/**
+ * @class MPR121
+ * @brief API for the MPR121 capacitive touch IC
+ */
+class MPR121
+{
+private:
+
+ I2C *_i2c;
+ InterruptIn *_irq;
+ uint8_t _i2c_addr;
+ volatile uint16_t _button;
+ volatile uint32_t _button_has_changed;
+
+ /** The interrupt handler for the IRQ pin
+ */
+ void handler(void);
+
+public:
+
+ /**
+ * @enum MPR121_ADDR
+ * @brief Possible terminations for the ADDR pin
+ */
+ enum MPR121_ADDR
+ {
+<<<<<<< local
+ ADDR_VSS = 0x1B, /*!< ADDR connected to VSS */
+=======
+ ADDR_VSS = 0x5A, /*!< ADDR connected to VSS */
+>>>>>>> other
+ ADDR_VDD, /*!< ADDR connected to VDD */
+ ADDR_SCL, /*!< ADDR connected to SDA */
+ ADDR_SDA /*!< ADDR connected to SCL */
+ };
+
+ /**
+ * @enum MPR121_REGISTER
+ * @brief The device register map
+ */
+ enum MPR121_REGISTER
+ {
+ ELE0_7_STAT = 0x00,
+ ELE8_11_STAT, ELE0_7_OOR_STAT, ELE8_11_OOR_STAT, EFD0LB, EFD0HB,
+ EFD1LB, EFD1HB, EFD2LB, EFD2HB, EFD3LB, EFD3HB, EFD4LB, EFD4HB, EFD5LB, EFD5HB,
+
+ EFD6LB = 0x10,
+ EFD6HB, EFD7LB, EFD7HB, EFD8LB, EFD8HB, EFD9LB, EFD9HB, EFD10LB,
+ EFD10HB, EFD11LB, EFD11HB, EFDPROXLB, EFDPROXHB, E0BV, E1BV,
+
+ E2BV = 0x20,
+ E3BV, E4BV, E5BV, E6BV, E7BV, E8BV, E9BV, E10BV, E11BV, EPROXBV,
+ MHDR, NHDR, NCLR, FDLR, MHDF,
+
+ NHDF = 0x30,
+ NCLF, FDLF, NHDT, NCLT, FDLT, MHDPROXR, NHDPROXR, NCLPROXR,
+ FDLPROXR, MHDPROXF, NHDPROXF, NCLPROXF, FDLPROXF, NHDPROXT, NCLPROXT,
+
+ FDLPROXT = 0x40,
+ E0TTH, E0RTH, E1TTH, E1RTH, E2TTH, E2RTH, E3TTH, E3RTH,
+ E4TTH, E4RTH, E5TTH, E5RTH, E6TTH, E6RTH, E7TTH,
+
+ E7RTH = 0x50,
+ E8TTH, E8RTH, E9TTH, E9RTH, E10TTH, E10RTH, E11TTH, E11RTH,
+ EPROXTTH, EPROXRTH, DT_DR, CDC_CONFIG, CDT_CONFIG, ECR, CDC0,
+
+ CDC1 = 0x60,
+ CDC2, CDC3, CDC4, CDC5, CDC6, CDC7, CDC8, CDC9, CDC10, CDC11, CDCPROX, CDT0_CDT1,
+ CDT2_CDT3, CDT4_CDT5, CDT6_CDT7,
+
+ CDT8_CDT9 = 0x70,
+ CDT10_CDT11, CDTPROX, GPIO_CTRL0, GPIO_CTRL1, GPIO_DATA, GPIO_DIR, GPIO_EN, GPIO_SET,
+ GPIO_CLR, GPIO_TOGGLE, AUTO_CFG0, AUTO_CFG1, USL, LSL, TL,
+
+ SRST = 0x80
+ };
+
+ /** Create the MPR121 object
+ * @param i2c - A defined I2C object
+ * @param pin - A defined InterruptIn object
+ * @param i2c_addr - Connection of the address line
+ */
+ MPR121(I2C &i2c, InterruptIn &pin, MPR121_ADDR i2c_addr);
+
+ /** Create the MPR121 object
+ * @param i2c - A defined I2C object
+ * @param i2c_addr - Connection of the address line
+ */
+<<<<<<< local
+ MPR121(I2C &i2c, MPR121_ADDR fake);
+
+=======
+ MPR121(I2C &i2c, MPR121_ADDR i2c_addr);
+/**
+ * @file MPR121.h
+ * @brief Device driver - MPR121 capactiive touch IC
+ * @author sam grove
+ * @version 1.0
+ * @see http://cache.freescale.com/files/sensors/doc/data_sheet/MPR121.pdf
+ *
+ * Copyright (c) 2013
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MPR121_H
+#define MPR121_H
+
+#include "mbed.h"
+#include "rtos.h"
+
+/** Using the Sparkfun SEN-10250 BoB
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ * #include "MPR121.h"
+ *
+ * Serial pc(USBTX, USBRX);
+ * DigitalOut myled(LED1);
+ *
+ * #if defined TARGET_LPC1768 || TARGET_LPC11U24
+ * I2C i2c(p28, p27);
+ * InterruptIn irq(p26);
+ * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS);
+ *
+ * #elif defined TARGET_KL25Z
+ * I2C i2c(PTC9, PTC8);
+ * InterruptIn irq(PTA5);
+ * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS);
+ *
+ * #else
+ * #error TARGET NOT TESTED
+ * #endif
+ *
+ * int main()
+ * {
+ * touch_pad.init();
+ * touch_pad.enable();
+ *
+ * while(1)
+ * {
+ * if(touch_pad.isPressed())
+ * {
+ * uint16_t button_val = touch_pad.buttonPressed();
+ * printf("button = 0x%04x\n", button_val);
+ * myled = (button_val>0) ? 1 : 0;
+ * }
+ * }
+ * }
+ * @endcode
+ */
+
+/**
+ * @class MPR121
+ * @brief API for the MPR121 capacitive touch IC
+ */
+class MPR121
+{
+private:
+
+ I2C *_i2c;
+ InterruptIn *_irq;
+ uint8_t _i2c_addr;
+ volatile uint16_t _button;
+ volatile uint32_t _button_has_changed;
+
+ /** The interrupt handler for the IRQ pin
+ */
+ void handler(void);
+
+public:
+
+ /**
+ * @enum MPR121_ADDR
+ * @brief Possible terminations for the ADDR pin
+ */
+ enum MPR121_ADDR
+ {
+ ADDR_VSS = 0x5A, /*!< ADDR connected to VSS */
+ ADDR_VDD, /*!< ADDR connected to VDD */
+ ADDR_SCL, /*!< ADDR connected to SDA */
+ ADDR_SDA /*!< ADDR connected to SCL */
+ };
+
+ /**
+ * @enum MPR121_REGISTER
+ * @brief The device register map
+ */
+ enum MPR121_REGISTER
+ {
+ ELE0_7_STAT = 0x00,
+ ELE8_11_STAT, ELE0_7_OOR_STAT, ELE8_11_OOR_STAT, EFD0LB, EFD0HB,
+ EFD1LB, EFD1HB, EFD2LB, EFD2HB, EFD3LB, EFD3HB, EFD4LB, EFD4HB, EFD5LB, EFD5HB,
+
+ EFD6LB = 0x10,
+ EFD6HB, EFD7LB, EFD7HB, EFD8LB, EFD8HB, EFD9LB, EFD9HB, EFD10LB,
+ EFD10HB, EFD11LB, EFD11HB, EFDPROXLB, EFDPROXHB, E0BV, E1BV,
+
+ E2BV = 0x20,
+ E3BV, E4BV, E5BV, E6BV, E7BV, E8BV, E9BV, E10BV, E11BV, EPROXBV,
+ MHDR, NHDR, NCLR, FDLR, MHDF,
+
+ NHDF = 0x30,
+ NCLF, FDLF, NHDT, NCLT, FDLT, MHDPROXR, NHDPROXR, NCLPROXR,
+ FDLPROXR, MHDPROXF, NHDPROXF, NCLPROXF, FDLPROXF, NHDPROXT, NCLPROXT,
+
+ FDLPROXT = 0x40,
+ E0TTH, E0RTH, E1TTH, E1RTH, E2TTH, E2RTH, E3TTH, E3RTH,
+ E4TTH, E4RTH, E5TTH, E5RTH, E6TTH, E6RTH, E7TTH,
+
+ E7RTH = 0x50,
+ E8TTH, E8RTH, E9TTH, E9RTH, E10TTH, E10RTH, E11TTH, E11RTH,
+ EPROXTTH, EPROXRTH, DT_DR, CDC_CONFIG, CDT_CONFIG, ECR, CDC0,
+
+ CDC1 = 0x60,
+ CDC2, CDC3, CDC4, CDC5, CDC6, CDC7, CDC8, CDC9, CDC10, CDC11, CDCPROX, CDT0_CDT1,
+ CDT2_CDT3, CDT4_CDT5, CDT6_CDT7,
+
+ CDT8_CDT9 = 0x70,
+ CDT10_CDT11, CDTPROX, GPIO_CTRL0, GPIO_CTRL1, GPIO_DATA, GPIO_DIR, GPIO_EN, GPIO_SET,
+ GPIO_CLR, GPIO_TOGGLE, AUTO_CFG0, AUTO_CFG1, USL, LSL, TL,
+
+ SRST = 0x80
+ };
+
+ /** Create the MPR121 object
+ * @param i2c - A defined I2C object
+ * @param pin - A defined InterruptIn object
+ * @param i2c_addr - Connection of the address line
+ */
+ MPR121(I2C &i2c, InterruptIn &pin, MPR121_ADDR i2c_addr);
+
+ /** Create the MPR121 object
+ * @param i2c - A defined I2C object
+ * @param i2c_addr - Connection of the address line
+ */
+ MPR121(I2C &i2c, MPR121_ADDR i2c_addr);
+
+>>>>>>> other
+ /** Clear state variables and initilize the dependant objects
+ */
+ void init(void);
+<<<<<<< local
+
+=======
+
+>>>>>>> other
+ /** Allow the IC to run and collect user input
+ */
+ void enable(void);
+<<<<<<< local
+
+=======
+
+>>>>>>> other
+ /** Stop the IC and put into low power mode
+ */
+ void disable(void);
+<<<<<<< local
+
+=======
+
+>>>>>>> other
+ /** Determine if a new button press event occured
+ * Upon calling the state is cleared until another press is detected
+ * @return 1 if a press has been detected since the last call, 0 otherwise
+ */
+ uint32_t isPressed(void);
+<<<<<<< local
+
+=======
+
+>>>>>>> other
+ /** Get the electrode status (ELE12 ... ELE0 -> b15 xxx b11 ... b0
+ * The buttons are bit mapped. ELE0 = b0 ... ELE11 = b11 b12 ... b15 undefined
+ * @return The state of all buttons
+ */
+ uint16_t buttonPressed(void);
+<<<<<<< local
+
+=======
+
+>>>>>>> other
+ /** print the register map and values to the console
+ * @param obj - a Serial object that prints to a console
+ */
+ void registerDump(Serial &obj) const;
+<<<<<<< local
+
+=======
+
+>>>>>>> other
+ /** print the register map and values to the console
+ */
+ void registerDump(void) const;
+<<<<<<< local
+
+=======
+
+>>>>>>> other
+ /** Write to a register (exposed for debugging reasons)
+ * Note: most writes are only valid in stop mode
+ * @param reg - The register to be written
+ * @param data - The data to be written
+ */
+ void writeRegister(MPR121_REGISTER const reg, uint8_t const data) const;
+<<<<<<< local
+
+=======
+
+>>>>>>> other
+ /** Read from a register (exposed for debugging reasons)
+ * @param reg - The register to read from
+ * @return The register contents
+ */
+ uint8_t readRegister(MPR121_REGISTER const reg) const;
+<<<<<<< local
+
+=======
+
+>>>>>>> other
+};
+
+#endif
+<<<<<<< local
+=======
+>>>>>>> other
+/**
+ * @file MPR121.h
+ * @brief Device driver - MPR121 capactiive touch IC
+ * @author sam grove
+ * @version 1.0
+ * @see http://cache.freescale.com/files/sensors/doc/data_sheet/MPR121.pdf
+ *
+ * Copyright (c) 2013
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MPR121_H
+#define MPR121_H
+
+#include "mbed.h"
+#include "rtos.h"
+
+/** Using the Sparkfun SEN-10250 BoB
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ * #include "MPR121.h"
+ *
+ * Serial pc(USBTX, USBRX);
+ * DigitalOut myled(LED1);
+ *
+ * #if defined TARGET_LPC1768 || TARGET_LPC11U24
+ * I2C i2c(p28, p27);
+ * InterruptIn irq(p26);
+ * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS);
+ *
+ * #elif defined TARGET_KL25Z
+ * I2C i2c(PTC9, PTC8);
+ * InterruptIn irq(PTA5);
+ * MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS);
+ *
+ * #else
+ * #error TARGET NOT TESTED
+ * #endif
+ *
+ * int main()
+ * {
+ * touch_pad.init();
+ * touch_pad.enable();
+ *
+ * while(1)
+ * {
+ * if(touch_pad.isPressed())
+ * {
+ * uint16_t button_val = touch_pad.buttonPressed();
+ * printf("button = 0x%04x\n", button_val);
+ * myled = (button_val>0) ? 1 : 0;
+ * }
+ * }
+ * }
+ * @endcode
+ */
+
+/**
+ * @class MPR121
+ * @brief API for the MPR121 capacitive touch IC
+ */
+class MPR121
+{
+private:
+
+ I2C *_i2c;
+ InterruptIn *_irq;
+ uint8_t _i2c_addr;
+ volatile uint16_t _button;
+ volatile uint32_t _button_has_changed;
+
+ /** The interrupt handler for the IRQ pin
+ */
+ void handler(void);
+
+public:
+
+ /**
+ * @enum MPR121_ADDR
+ * @brief Possible terminations for the ADDR pin
+ */
+ enum MPR121_ADDR
+ {
+ ADDR_VSS = 0x5A, /*!< ADDR connected to VSS */
+ ADDR_VDD, /*!< ADDR connected to VDD */
+ ADDR_SCL, /*!< ADDR connected to SDA */
+ ADDR_SDA /*!< ADDR connected to SCL */
+ };
+
+ /**
+ * @enum MPR121_REGISTER
+ * @brief The device register map
+ */
+ enum MPR121_REGISTER
+ {
+ ELE0_7_STAT = 0x00,
+ ELE8_11_STAT, ELE0_7_OOR_STAT, ELE8_11_OOR_STAT, EFD0LB, EFD0HB,
+ EFD1LB, EFD1HB, EFD2LB, EFD2HB, EFD3LB, EFD3HB, EFD4LB, EFD4HB, EFD5LB, EFD5HB,
+
+ EFD6LB = 0x10,
+ EFD6HB, EFD7LB, EFD7HB, EFD8LB, EFD8HB, EFD9LB, EFD9HB, EFD10LB,
+ EFD10HB, EFD11LB, EFD11HB, EFDPROXLB, EFDPROXHB, E0BV, E1BV,
+
+ E2BV = 0x20,
+ E3BV, E4BV, E5BV, E6BV, E7BV, E8BV, E9BV, E10BV, E11BV, EPROXBV,
+ MHDR, NHDR, NCLR, FDLR, MHDF,
+
+ NHDF = 0x30,
+ NCLF, FDLF, NHDT, NCLT, FDLT, MHDPROXR, NHDPROXR, NCLPROXR,
+ FDLPROXR, MHDPROXF, NHDPROXF, NCLPROXF, FDLPROXF, NHDPROXT, NCLPROXT,
+
+ FDLPROXT = 0x40,
+ E0TTH, E0RTH, E1TTH, E1RTH, E2TTH, E2RTH, E3TTH, E3RTH,
+ E4TTH, E4RTH, E5TTH, E5RTH, E6TTH, E6RTH, E7TTH,
+
+ E7RTH = 0x50,
+ E8TTH, E8RTH, E9TTH, E9RTH, E10TTH, E10RTH, E11TTH, E11RTH,
+ EPROXTTH, EPROXRTH, DT_DR, CDC_CONFIG, CDT_CONFIG, ECR, CDC0,
+
+ CDC1 = 0x60,
+ CDC2, CDC3, CDC4, CDC5, CDC6, CDC7, CDC8, CDC9, CDC10, CDC11, CDCPROX, CDT0_CDT1,
+ CDT2_CDT3, CDT4_CDT5, CDT6_CDT7,
+
+ CDT8_CDT9 = 0x70,
+ CDT10_CDT11, CDTPROX, GPIO_CTRL0, GPIO_CTRL1, GPIO_DATA, GPIO_DIR, GPIO_EN, GPIO_SET,
+ GPIO_CLR, GPIO_TOGGLE, AUTO_CFG0, AUTO_CFG1, USL, LSL, TL,
+
+ SRST = 0x80
+ };
+
+ /** Create the MPR121 object
+ * @param i2c - A defined I2C object
+ * @param pin - A defined InterruptIn object
+ * @param i2c_addr - Connection of the address line
+ */
+ MPR121(I2C &i2c, InterruptIn &pin, MPR121_ADDR i2c_addr);
+
+ /** Create the MPR121 object
+ * @param i2c - A defined I2C object
+ * @param i2c_addr - Connection of the address line
+ */
+ MPR121(I2C &i2c, MPR121_ADDR i2c_addr);
+
+ /** Clear state variables and initilize the dependant objects
+ */
+ void init(void);
+
+ /** Allow the IC to run and collect user input
+ */
+ void enable(void);
+
+ /** Stop the IC and put into low power mode
+ */
+ void disable(void);
+
+ /** Determine if a new button press event occured
+ * Upon calling the state is cleared until another press is detected
+ * @return 1 if a press has been detected since the last call, 0 otherwise
+ */
+ uint32_t isPressed(void);
+
+ /** Get the electrode status (ELE12 ... ELE0 -> b15 xxx b11 ... b0
+ * The buttons are bit mapped. ELE0 = b0 ... ELE11 = b11 b12 ... b15 undefined
+ * @return The state of all buttons
+ */
+ uint16_t buttonPressed(void);
+
+ /** print the register map and values to the console
+ * @param obj - a Serial object that prints to a console
+ */
+ void registerDump(Serial &obj) const;
+
+ /** print the register map and values to the console
+ */
+ void registerDump(void) const;
+
+ /** Write to a register (exposed for debugging reasons)
+ * Note: most writes are only valid in stop mode
+ * @param reg - The register to be written
+ * @param data - The data to be written
+ */
+ void writeRegister(MPR121_REGISTER const reg, uint8_t const data) const;
+
+ /** Read from a register (exposed for debugging reasons)
+ * @param reg - The register to read from
+ * @return The register contents
+ */
+ uint8_t readRegister(MPR121_REGISTER const reg) const;
+
+};
+
+#endif
>>>>>>> merge rev
-=======
+<<<<<<< local
+=======
<<<<<<< local
/**
* @file MPR121.h
@@ -567,4 +974,8 @@
};
#endif
->>>>>>> merge rev
+>>>>>>> merge rev
+=======
+=======
+>>>>>>> other
+>>>>>>> other