taiyou komazawa / Adafruit_I2C_LCD

transplanted from the original URL : https://github.com/adafruit/Adafruit-RGB-LCD-Shield-Library

Adafruit_MCP23017.h@0:4f1c764a42d3, 2018-11-19 (annotated)

Committer:
Komazawa_sun
Date:
Mon Nov 19 09:44:37 2018 +0000
Revision:
0:4f1c764a42d3
Transplanted lib(https://github.com/adafruit/Adafruit-RGB-LCD-Shield-Library)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Komazawa_sun 0:4f1c764a42d3 1 /***************************************************
Komazawa_sun 0:4f1c764a42d3 2 This is a library for the MCP23017 i2c port expander
Komazawa_sun 0:4f1c764a42d3 3
Komazawa_sun 0:4f1c764a42d3 4 These displays use I2C to communicate, 2 pins are required to
Komazawa_sun 0:4f1c764a42d3 5 interface
Komazawa_sun 0:4f1c764a42d3 6 Adafruit invests time and resources providing this open source code,
Komazawa_sun 0:4f1c764a42d3 7 please support Adafruit and open-source hardware by purchasing
Komazawa_sun 0:4f1c764a42d3 8 products from Adafruit!
Komazawa_sun 0:4f1c764a42d3 9
Komazawa_sun 0:4f1c764a42d3 10 Written by Limor Fried/Ladyada for Adafruit Industries.
Komazawa_sun 0:4f1c764a42d3 11 BSD license, all text above must be included in any redistribution
Komazawa_sun 0:4f1c764a42d3 12 ****************************************************/
Komazawa_sun 0:4f1c764a42d3 13
Komazawa_sun 0:4f1c764a42d3 14 #ifndef _Adafruit_MCP23017_H_
Komazawa_sun 0:4f1c764a42d3 15 #define _Adafruit_MCP23017_H_
Komazawa_sun 0:4f1c764a42d3 16
Komazawa_sun 0:4f1c764a42d3 17 #include "mbed.h"
Komazawa_sun 0:4f1c764a42d3 18
Komazawa_sun 0:4f1c764a42d3 19 class Adafruit_MCP23017
Komazawa_sun 0:4f1c764a42d3 20 {
Komazawa_sun 0:4f1c764a42d3 21 public:
Komazawa_sun 0:4f1c764a42d3 22 Adafruit_MCP23017(I2C *master);
Komazawa_sun 0:4f1c764a42d3 23 ~Adafruit_MCP23017(){};
Komazawa_sun 0:4f1c764a42d3 24
Komazawa_sun 0:4f1c764a42d3 25 void pinMode(uint8_t p, bool input_mode);
Komazawa_sun 0:4f1c764a42d3 26 void digitalWrite(uint8_t p, bool high);
Komazawa_sun 0:4f1c764a42d3 27 void pullUp(uint8_t p, bool pullup_anable);
Komazawa_sun 0:4f1c764a42d3 28 uint8_t digitalRead(uint8_t p);
Komazawa_sun 0:4f1c764a42d3 29
Komazawa_sun 0:4f1c764a42d3 30 void writeGPIOAB(uint16_t);
Komazawa_sun 0:4f1c764a42d3 31 uint16_t readGPIOAB();
Komazawa_sun 0:4f1c764a42d3 32
Komazawa_sun 0:4f1c764a42d3 33 private:
Komazawa_sun 0:4f1c764a42d3 34 I2C *_master;
Komazawa_sun 0:4f1c764a42d3 35 char *_buffer;
Komazawa_sun 0:4f1c764a42d3 36 };
Komazawa_sun 0:4f1c764a42d3 37
Komazawa_sun 0:4f1c764a42d3 38 //#define MCP23017_ADDRESS 0x20
Komazawa_sun 0:4f1c764a42d3 39 #define MCP23017_ADDRESS 0x40
Komazawa_sun 0:4f1c764a42d3 40
Komazawa_sun 0:4f1c764a42d3 41 #define INPUT 1
Komazawa_sun 0:4f1c764a42d3 42 #define OUTPUT 0
Komazawa_sun 0:4f1c764a42d3 43
Komazawa_sun 0:4f1c764a42d3 44 // registers
Komazawa_sun 0:4f1c764a42d3 45 #define MCP23017_IODIRA 0x00
Komazawa_sun 0:4f1c764a42d3 46 #define MCP23017_IPOLA 0x02
Komazawa_sun 0:4f1c764a42d3 47 #define MCP23017_GPINTENA 0x04
Komazawa_sun 0:4f1c764a42d3 48 #define MCP23017_DEFVALA 0x06
Komazawa_sun 0:4f1c764a42d3 49 #define MCP23017_INTCONA 0x08
Komazawa_sun 0:4f1c764a42d3 50 #define MCP23017_IOCONA 0x0A
Komazawa_sun 0:4f1c764a42d3 51 #define MCP23017_GPPUA 0x0C
Komazawa_sun 0:4f1c764a42d3 52 #define MCP23017_INTFA 0x0E
Komazawa_sun 0:4f1c764a42d3 53 #define MCP23017_INTCAPA 0x10
Komazawa_sun 0:4f1c764a42d3 54 #define MCP23017_GPIOA 0x12
Komazawa_sun 0:4f1c764a42d3 55 #define MCP23017_OLATA 0x14
Komazawa_sun 0:4f1c764a42d3 56
Komazawa_sun 0:4f1c764a42d3 57
Komazawa_sun 0:4f1c764a42d3 58 #define MCP23017_IODIRB 0x01
Komazawa_sun 0:4f1c764a42d3 59 #define MCP23017_IPOLB 0x03
Komazawa_sun 0:4f1c764a42d3 60 #define MCP23017_GPINTENB 0x05
Komazawa_sun 0:4f1c764a42d3 61 #define MCP23017_DEFVALB 0x07
Komazawa_sun 0:4f1c764a42d3 62 #define MCP23017_INTCONB 0x09
Komazawa_sun 0:4f1c764a42d3 63 #define MCP23017_IOCONB 0x0B
Komazawa_sun 0:4f1c764a42d3 64 #define MCP23017_GPPUB 0x0D
Komazawa_sun 0:4f1c764a42d3 65 #define MCP23017_INTFB 0x0F
Komazawa_sun 0:4f1c764a42d3 66 #define MCP23017_INTCAPB 0x11
Komazawa_sun 0:4f1c764a42d3 67 #define MCP23017_GPIOB 0x13
Komazawa_sun 0:4f1c764a42d3 68 #define MCP23017_OLATB 0x15
Komazawa_sun 0:4f1c764a42d3 69
Komazawa_sun 0:4f1c764a42d3 70 #endif
Komazawa_sun 0:4f1c764a42d3 71