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added libraries

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Lukas 12 years ago
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75ebfe5579
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daf4b725fe
3 changed files with 131 additions and 65 deletions
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  1. 58
      source/libraries/INPUT_74HC4051/INPUT_74HC4051.h
  2. 25
      source/libraries/INPUT_MCP23017/INPUT_MCP23017.cpp
  3. 103
      source/libraries/INPUT_MCP23017/INPUT_MCP23017.h

58
source/libraries/INPUT_74HC4051/INPUT_74HC4051.h
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@ -1,31 +1,63 @@
/*
INPUT_72HC4051.h - Library for reading inputs from 74HC4051 multiplexer
library is for specialiced use: all I/O ports are used as analog inputs, values are stored and a callback function is called, when a value changes
*/
/**
* @file INPUT_74HC4051.h
*
* @author Lukas Haubaum (lukas@haubaum.de)
*
* @date February, 2013
*
* @brief arduino library for reading inputs from 74HC4051 multiplexer
*
* library is for specialiced use: all I/O ports are used as analog inputs, values are stored and a callback function is called, when a value changes
*
* */
#ifndef INPUT_74HC4051_h
#define INPUT_74HC4051_h
#define INPUT_74HC4051_TOLERANCE 1
#define INPUT_74HC4051_TOLERANCE 1 /**< I/O DIRECTION REGISTER PORT A - Controls the direction of the data I/O. */
#if !defined(CallbackFunction)
/**
* callback function
*
* @param address
* @param pin
* @param value
*/
typedef void (*CallbackFunction)(int,int,int);
#endif
class INPUT_74HC4051
{
public:
/**
* initalize the class, should be called in setup() function
*
* @param analog input pin on arduino, connected Z pin here
* @param digital output pin for S0
* @param digital output pin for S0
* @param digital output pin for S0
* @param callback function
*/
void begin(uint8_t analog, uint8_t s0, uint8_t s1, uint8_t s2,CallbackFunction cbF);
/**
* read values and call callback function on change, should be called in loop()
*/
void loop(void);
/**
* get value of specific pin (0-7)
*
* @param pin
* @return value of pin
*/
int getSpecificValue(uint8_t pin);
private:
uint8_t _analog;
uint8_t _s0;
uint8_t _s1;
uint8_t _s2;
int _value[8];
CallbackFunction _callbackFunction;
uint8_t _analog; /**< analog input pin on arduino, connected Z pin here */
uint8_t _s0; /**< digital output pin for S0 */
uint8_t _s1; /**< digital output pin for S0 */
uint8_t _s2; /**< digital output pin for S0 */
int _value[8]; /**< read values */
CallbackFunction _callbackFunction; /**< callback function */
};

25
source/libraries/INPUT_MCP23017/INPUT_MCP23017.cpp
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@ -6,6 +6,7 @@
void INPUT_MCP23017::begin(uint8_t addr,CallbackFunction cbF) {
Wire.begin();
//check hardware address
if (addr > 7)
_addr = 7;
else _addr = addr;
@ -14,35 +15,35 @@ void INPUT_MCP23017::begin(uint8_t addr,CallbackFunction cbF) {
//set all ports as inputs
Wire.beginTransmission(MCP23017_ADDRESS | _addr);
Wire.write((byte)MCP23017_IODIRA);
Wire.write(0xFF); // all inputs on port A
Wire.write((byte)MCP23017_IODIRA); //PORT A
Wire.write(0xFF);
Wire.endTransmission();
Wire.beginTransmission(MCP23017_ADDRESS | _addr);
Wire.write(MCP23017_IODIRB);
Wire.write(0xFF); // all inputs on port B
Wire.write(MCP23017_IODIRB); //PORT B
Wire.write(0xFF);
Wire.endTransmission();
//activate pullup resistors
Wire.beginTransmission(MCP23017_ADDRESS | _addr);
Wire.write(MCP23017_GPPUA);
Wire.write(0xFF); // all pullup resistors on port A
Wire.write(MCP23017_GPPUA); //PORT A
Wire.write(0xFF);
Wire.endTransmission();
Wire.beginTransmission(MCP23017_ADDRESS | _addr);
Wire.write(MCP23017_GPPUB);
Wire.write(0xFF); // all pullup resistors on port B
Wire.write(MCP23017_GPPUB); //PORT B
Wire.write(0xFF);
Wire.endTransmission();
//inverse all inputs
Wire.beginTransmission(MCP23017_ADDRESS | _addr);
Wire.write((byte)MCP23017_IPOLA);
Wire.write(0xFF); // inverse all inputs
Wire.write((byte)MCP23017_IPOLA); //PORT A
Wire.write(0xFF);
Wire.endTransmission();
Wire.beginTransmission(MCP23017_ADDRESS | _addr);
Wire.write(MCP23017_IPOLB);
Wire.write(0xFF); // inverse all inputs
Wire.write(MCP23017_IPOLB); //PORT B
Wire.write(0xFF);
Wire.endTransmission();
//init start values

103
source/libraries/INPUT_MCP23017/INPUT_MCP23017.h
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@ -1,55 +1,88 @@
/*
INPUT_MCP23017.h - Library for reading inputs from MCP23017 port Expander
library is for specialiced use: all I/O ports are used as digital inputs with internal pullup resistor active, values are stored and a callback function is called, when a value changes
*/
*/
/**
* @file INPUT_MCP23017.h
*
* @author Lukas Haubaum (lukas@haubaum.de)
*
* @date February, 2013
*
* @brief arduino library for reading inputs from MCP23017 port Expander
*
* library is for specialiced use: all I/O ports are used as digital inputs with internal pullup resistor active, values are stored and a callback function is called, when a value changes
*
* */
#ifndef INPUT_MCP23017_h
#define INPUT_MCP23017_h
#if !defined(CallbackFunction)
/**
* callback function
*
* @param address
* @param pin
* @param value
*/
typedef void (*CallbackFunction)(int,int,int);
#endif
class INPUT_MCP23017
{
public:
/**
* initalize the class, should be called in setup() function
*
* @param hardware address (0-7)
* @param callback function
*/
void begin(uint8_t addr,CallbackFunction cbF);
/**
* read values and call callback function on change, should be called in loop()
*/
void loop(void);
/**
* get value of specific pin (0-15)
*
* @param pin
* @return value of pin
*/
int getSpecificValue(uint8_t pin);
private:
uint8_t _addr;
int _value[16];
CallbackFunction _callbackFunction;
uint8_t _addr; /**< hardware address (0-7) */
int _value[16]; /**< read values */
CallbackFunction _callbackFunction; /**< callback function */
};
#define MCP23017_ADDRESS 0x20
// registers (from https://github.com/adafruit/Adafruit-MCP23017-Arduino-Library/blob/master/Adafruit_MCP23017.h)
#define MCP23017_IODIRA 0x00
#define MCP23017_IPOLA 0x02
#define MCP23017_GPINTENA 0x04
#define MCP23017_DEFVALA 0x06
#define MCP23017_INTCONA 0x08
#define MCP23017_IOCONA 0x0A
#define MCP23017_GPPUA 0x0C
#define MCP23017_INTFA 0x0E
#define MCP23017_INTCAPA 0x10
#define MCP23017_GPIOA 0x12
#define MCP23017_OLATA 0x14
#define MCP23017_ADDRESS 0x20 /**< hardware address */
#define MCP23017_IODIRB 0x01
#define MCP23017_IPOLB 0x03
#define MCP23017_GPINTENB 0x05
#define MCP23017_DEFVALB 0x07
#define MCP23017_INTCONB 0x09
#define MCP23017_IOCONB 0x0B
#define MCP23017_GPPUB 0x0D
#define MCP23017_INTFB 0x0F
#define MCP23017_INTCAPB 0x11
#define MCP23017_GPIOB 0x13
#define MCP23017_OLATB 0x15
/**
* registers of MCP23017 (BANK = 0)
*
* default is 0 except for I/O DIRECTION REGISTERS
*
* for detailed description see http://ww1.microchip.com/downloads/en/DeviceDoc/21952b.pdf
*
* */
#define MCP23017_IODIR_A 0x00 /**< I/O DIRECTION REGISTER PORT A - Controls the direction of the data I/O. */
#define MCP23017_IODIR_B 0x01 /**< I/O DIRECTION REGISTER PORT B - Controls the direction of the data I/O. */
#define MCP23017_IPOL_A 0x02 /**< INPUT POLARITY REGISTER PORT A - This register allows the user to configure the polarity on the corresponding GPIO port bits. */
#define MCP23017_IPOL_B 0x03 /**< INPUT POLARITY REGISTER PORT B - This register allows the user to configure the polarity on the corresponding GPIO port bits. */
#define MCP23017_GPINTEN_A 0x04 /**< INTERRUPT-ON-CHANGE CONTROL REGISTER PORT A - The GPINTEN register controls the interrupt-on-change feature for each pin. */
#define MCP23017_GPINTEN_B 0x05 /**< INTERRUPT-ON-CHANGE CONTROL REGISTER PORT B - The GPINTEN register controls the interrupt-on-change feature for each pin. */
#define MCP23017_DEFVAL_A 0x06 /**< DEFAULT COMPARE REGISTER FOR INTERRUPT-ON-CHANGE PORT A - The default comparison value is configured in the DEFVAL register. */
#define MCP23017_DEFVAL_B 0x07 /**< DEFAULT COMPARE REGISTER FOR INTERRUPT-ON-CHANGE PORT B - The default comparison value is configured in the DEFVAL register.. */
#define MCP23017_INTCON_A 0x08 /**< INTERRUPT CONTROL REGISTER PORT A - The INTCON register controls how the associated pin value is compared for the interrupt-on-change feature. */
#define MCP23017_INTCON_B 0x09 /**< INTERRUPT CONTROL REGISTER PORT B - The INTCON register controls how the associated pin value is compared for the interrupt-on-change feature.*/
#define MCP23017_IOCON_A 0x0A /**< CONFIGURATION REGISTER - The IOCON register contains several bits for configuring the device. BANK/MIRROR/SEQOP/DISSLW/HAEN/ODR/INTPOL/— */
#define MCP23017_IOCON_B 0x0B /**< CONFIGURATION REGISTER - The IOCON register contains several bits for configuring the device. BANK/MIRROR/SEQOP/DISSLW/HAEN/ODR/INTPOL/— */
#define MCP23017_GPPU_A 0x0C /**< PULL-UP RESISTOR CONFIGURATION REGISTER PORT A - The GPPU register controls the pull-up resistors for the port pins. */
#define MCP23017_GPPU_B 0x0D /**< PULL-UP RESISTOR CONFIGURATION REGISTER PORT B - The GPPU register controls the pull-up resistors for the port pins. */
#define MCP23017_INTF_A 0x0E /**< INTERRUPT FLAG REGISTER PORT A - The INTF register reflects the interrupt condition on the port pins of any pin that is enabled for interrupts via the GPINTEN register. */
#define MCP23017_INTF_B 0x0F /**< INTERRUPT FLAG REGISTER PORT B - The INTF register reflects the interrupt condition on the port pins of any pin that is enabled for interrupts via the GPINTEN register. */
#define MCP23017_INTCAP_A 0x10 /**< INTERRUPT CAPTURE REGISTER PORT A - The INTCAP register captures the GPIO port value at the time the interrupt occurred. */
#define MCP23017_INTCAP_B 0x11 /**< INTERRUPT CAPTURE REGISTER PORT B - The INTCAP register captures the GPIO port value at the time the interrupt occurred. */
#define MCP23017_GPIO_A 0x12 /**< PORT REGISTER PORT A - The GPIO register reflects the value on the port. */
#define MCP23017_GPIO_B 0x13 /**< PORT REGISTER PORT B - The GPIO register reflects the value on the port. */
#define MCP23017_OLAT_A 0x14 /**< OUTPUT LATCH REGISTER PORT A - The OLAT register provides access to the output latches. */
#define MCP23017_OLAT_B 0x15 /**< OUTPUT LATCH REGISTER PORT B - The OLAT register provides access to the output latches. */
#endif
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