use mbed os
Dependents: Seeed_Grove_I2C_Touch_Example
Fork of MPR121 by
Diff: MPR121.h
- Revision:
- 25:534ca7bbccf1
- Parent:
- 23:32fa21a5686d
diff -r 3fda4fe39ac6 -r 534ca7bbccf1 MPR121.h --- a/MPR121.h Sun Jul 02 15:11:10 2017 -0600 +++ b/MPR121.h Sun Jul 02 16:33:37 2017 -0600 @@ -78,129 +78,27 @@ 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 = 0x1B, /*!< 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); - /** 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); + bool 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