Lurkars
/
bombatuino
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Browse Source

added libraries

master
Lukas 11 years ago
parent
75ebfe5579
commit
daf4b725fe
3 changed files with 131 additions and 65 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 64
      source/libraries/INPUT_74HC4051/INPUT_74HC4051.h
  2. 25
      source/libraries/INPUT_MCP23017/INPUT_MCP23017.cpp
  3. 107
      source/libraries/INPUT_MCP23017/INPUT_MCP23017.h

64
source/libraries/INPUT_74HC4051/INPUT_74HC4051.h
View File

@ -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:
void begin(uint8_t analog, uint8_t s0, uint8_t s1, uint8_t s2,CallbackFunction cbF);
void loop(void);
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
View File

@ -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

107
source/libraries/INPUT_MCP23017/INPUT_MCP23017.h
View File

@ -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:
void begin(uint8_t addr,CallbackFunction cbF);
void loop(void);
/**
* 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
Write Preview
Loading…
Cancel
Save