use mbed os

Dependents:   Seeed_Grove_I2C_Touch_Example

Fork of MPR121 by Sam Grove

Revision:
15:8c7fba79a28e
Parent:
11:ad26c0810f02
Child:
16:94e77e14a859
--- 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