use mbed os
Dependents: Seeed_Grove_I2C_Touch_Example
Fork of MPR121 by
Diff: MPR121.h
- Revision:
- 15:8c7fba79a28e
- Parent:
- 11:ad26c0810f02
- Child:
- 16:94e77e14a859
diff -r 22d36da8df91 -r 8c7fba79a28e MPR121.h --- a/MPR121.h Sun Jul 02 11:12:48 2017 -0600 +++ b/MPR121.h Sun Jul 02 11:26:36 2017 -0600 @@ -1,210 +1,3 @@ -<<<<<<< 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 = 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, MPR121_ADDR fake); - - /** 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