PCA9538 I2C Expander
Dependents: PCA9538_example MAX7314_Expander
PCA9538.h@0:d0e0b38e5991, 2011-02-02 (annotated)
- Committer:
- Suky
- Date:
- Wed Feb 02 21:20:33 2011 +0000
- Revision:
- 0:d0e0b38e5991
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Suky | 0:d0e0b38e5991 | 1 | /* |
Suky | 0:d0e0b38e5991 | 2 | \file PCA9538.h |
Suky | 0:d0e0b38e5991 | 3 | \version: 1.0 |
Suky | 0:d0e0b38e5991 | 4 | |
Suky | 0:d0e0b38e5991 | 5 | \brief Este fichero contiene class para control de PCA9538 creando pin digitales |
Suky | 0:d0e0b38e5991 | 6 | de salida o entrada, o control por registro (8-bits). |
Suky | 0:d0e0b38e5991 | 7 | |
Suky | 0:d0e0b38e5991 | 8 | \web www.micros-designs.com.ar |
Suky | 0:d0e0b38e5991 | 9 | \date 31/01/11 |
Suky | 0:d0e0b38e5991 | 10 | |
Suky | 0:d0e0b38e5991 | 11 | *- Version Log --------------------------------------------------------------* |
Suky | 0:d0e0b38e5991 | 12 | * Fecha Autor Comentarios * |
Suky | 0:d0e0b38e5991 | 13 | *----------------------------------------------------------------------------* |
Suky | 0:d0e0b38e5991 | 14 | * 31/01/11 Suky Original * |
Suky | 0:d0e0b38e5991 | 15 | *----------------------------------------------------------------------------*/ |
Suky | 0:d0e0b38e5991 | 16 | /////////////////////////////////////////////////////////////////////////// |
Suky | 0:d0e0b38e5991 | 17 | //// //// |
Suky | 0:d0e0b38e5991 | 18 | //// //// |
Suky | 0:d0e0b38e5991 | 19 | //// (C) Copyright 2011 www.micros-designs.com.ar //// |
Suky | 0:d0e0b38e5991 | 20 | //// Este código puede ser usado, modificado y distribuido libremente //// |
Suky | 0:d0e0b38e5991 | 21 | //// sin eliminar esta cabecera y sin garantía de ningún tipo. //// |
Suky | 0:d0e0b38e5991 | 22 | //// //// |
Suky | 0:d0e0b38e5991 | 23 | //// //// |
Suky | 0:d0e0b38e5991 | 24 | /////////////////////////////////////////////////////////////////////////// |
Suky | 0:d0e0b38e5991 | 25 | |
Suky | 0:d0e0b38e5991 | 26 | /* EXAMPLE |
Suky | 0:d0e0b38e5991 | 27 | #include "mbed.h" |
Suky | 0:d0e0b38e5991 | 28 | #include "PCA9538.h" |
Suky | 0:d0e0b38e5991 | 29 | |
Suky | 0:d0e0b38e5991 | 30 | //PCA9538 MyExpand(p9,p10,0x70,p21); // sda,scl,address,Interrupts |
Suky | 0:d0e0b38e5991 | 31 | DigitalOut myled(LED1); |
Suky | 0:d0e0b38e5991 | 32 | DigitalOut myled2(LED2); |
Suky | 0:d0e0b38e5991 | 33 | PCA9538PinOut myled3(exp_p4,p9,p10,0x70); // pin del PCA,sda,scl,address |
Suky | 0:d0e0b38e5991 | 34 | PCA9538PinOut myled4(exp_p7,p9,p10,0x70); |
Suky | 0:d0e0b38e5991 | 35 | PCA9538PinIn mypuls(exp_p0,p9,p10,0x70); |
Suky | 0:d0e0b38e5991 | 36 | //void vISRExpand(void); |
Suky | 0:d0e0b38e5991 | 37 | |
Suky | 0:d0e0b38e5991 | 38 | int main() { |
Suky | 0:d0e0b38e5991 | 39 | //MyExpand.vInit(0x0F,&vISRExpand); |
Suky | 0:d0e0b38e5991 | 40 | //MyExpand.vWrite(0x00); |
Suky | 0:d0e0b38e5991 | 41 | while(1) { |
Suky | 0:d0e0b38e5991 | 42 | if(mypuls==0){ |
Suky | 0:d0e0b38e5991 | 43 | myled2=1; |
Suky | 0:d0e0b38e5991 | 44 | wait(0.3); |
Suky | 0:d0e0b38e5991 | 45 | myled2=0; |
Suky | 0:d0e0b38e5991 | 46 | wait(0.3); |
Suky | 0:d0e0b38e5991 | 47 | }else{ |
Suky | 0:d0e0b38e5991 | 48 | myled3=1; |
Suky | 0:d0e0b38e5991 | 49 | myled4=1; |
Suky | 0:d0e0b38e5991 | 50 | myled=myled3; |
Suky | 0:d0e0b38e5991 | 51 | wait(0.5); |
Suky | 0:d0e0b38e5991 | 52 | myled = 0; |
Suky | 0:d0e0b38e5991 | 53 | myled3=0; |
Suky | 0:d0e0b38e5991 | 54 | myled4=0; |
Suky | 0:d0e0b38e5991 | 55 | wait(0.5); |
Suky | 0:d0e0b38e5991 | 56 | } |
Suky | 0:d0e0b38e5991 | 57 | } |
Suky | 0:d0e0b38e5991 | 58 | } |
Suky | 0:d0e0b38e5991 | 59 | |
Suky | 0:d0e0b38e5991 | 60 | |
Suky | 0:d0e0b38e5991 | 61 | //void vISRExpand(void){ |
Suky | 0:d0e0b38e5991 | 62 | // |
Suky | 0:d0e0b38e5991 | 63 | // myled2=!myled2; |
Suky | 0:d0e0b38e5991 | 64 | // MyExpand.vWrite(MyExpand.cRead()<<4); |
Suky | 0:d0e0b38e5991 | 65 | //} |
Suky | 0:d0e0b38e5991 | 66 | */ |
Suky | 0:d0e0b38e5991 | 67 | #include "mbed.h" |
Suky | 0:d0e0b38e5991 | 68 | |
Suky | 0:d0e0b38e5991 | 69 | enum ExpPinName{ |
Suky | 0:d0e0b38e5991 | 70 | exp_p0=0, |
Suky | 0:d0e0b38e5991 | 71 | exp_p1, |
Suky | 0:d0e0b38e5991 | 72 | exp_p2, |
Suky | 0:d0e0b38e5991 | 73 | exp_p3, |
Suky | 0:d0e0b38e5991 | 74 | exp_p4, |
Suky | 0:d0e0b38e5991 | 75 | exp_p5, |
Suky | 0:d0e0b38e5991 | 76 | exp_p6, |
Suky | 0:d0e0b38e5991 | 77 | exp_p7, |
Suky | 0:d0e0b38e5991 | 78 | }; |
Suky | 0:d0e0b38e5991 | 79 | |
Suky | 0:d0e0b38e5991 | 80 | class PCA9538PinOut{ |
Suky | 0:d0e0b38e5991 | 81 | public: |
Suky | 0:d0e0b38e5991 | 82 | PCA9538PinOut(ExpPinName Pin,PinName PIN_SDA,PinName PIN_SCL,unsigned char Address); |
Suky | 0:d0e0b38e5991 | 83 | void vWrite(int value); |
Suky | 0:d0e0b38e5991 | 84 | int read(); |
Suky | 0:d0e0b38e5991 | 85 | #ifdef MBED_OPERATORS |
Suky | 0:d0e0b38e5991 | 86 | PCA9538PinOut& operator= (int value); |
Suky | 0:d0e0b38e5991 | 87 | operator int(); |
Suky | 0:d0e0b38e5991 | 88 | #endif |
Suky | 0:d0e0b38e5991 | 89 | protected: |
Suky | 0:d0e0b38e5991 | 90 | ExpPinName _Pin; |
Suky | 0:d0e0b38e5991 | 91 | unsigned char _Address; |
Suky | 0:d0e0b38e5991 | 92 | I2C Bus; |
Suky | 0:d0e0b38e5991 | 93 | }; |
Suky | 0:d0e0b38e5991 | 94 | |
Suky | 0:d0e0b38e5991 | 95 | PCA9538PinOut::PCA9538PinOut(ExpPinName Pin,PinName PIN_SDA,PinName PIN_SCL,unsigned char Address) |
Suky | 0:d0e0b38e5991 | 96 | :Bus(PIN_SDA,PIN_SCL),_Pin(Pin),_Address(Address<<1){ |
Suky | 0:d0e0b38e5991 | 97 | unsigned char Temp; |
Suky | 0:d0e0b38e5991 | 98 | |
Suky | 0:d0e0b38e5991 | 99 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 100 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 101 | Bus.write(0x03); |
Suky | 0:d0e0b38e5991 | 102 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 103 | Bus.write(_Address | 0x01); |
Suky | 0:d0e0b38e5991 | 104 | Temp=Bus.read(0); |
Suky | 0:d0e0b38e5991 | 105 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 106 | |
Suky | 0:d0e0b38e5991 | 107 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 108 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 109 | Bus.write(0x03); |
Suky | 0:d0e0b38e5991 | 110 | Bus.write((~(0x01<<_Pin))&Temp); |
Suky | 0:d0e0b38e5991 | 111 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 112 | } |
Suky | 0:d0e0b38e5991 | 113 | |
Suky | 0:d0e0b38e5991 | 114 | void PCA9538PinOut::vWrite(int value){ |
Suky | 0:d0e0b38e5991 | 115 | unsigned char Temp; |
Suky | 0:d0e0b38e5991 | 116 | |
Suky | 0:d0e0b38e5991 | 117 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 118 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 119 | Bus.write(0x01); |
Suky | 0:d0e0b38e5991 | 120 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 121 | Bus.write(_Address | 0x01); |
Suky | 0:d0e0b38e5991 | 122 | Temp=Bus.read(0); |
Suky | 0:d0e0b38e5991 | 123 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 124 | |
Suky | 0:d0e0b38e5991 | 125 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 126 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 127 | Bus.write(0x01); |
Suky | 0:d0e0b38e5991 | 128 | if(value==0){ |
Suky | 0:d0e0b38e5991 | 129 | Bus.write((~(0x01<<_Pin))&Temp); |
Suky | 0:d0e0b38e5991 | 130 | }else{ |
Suky | 0:d0e0b38e5991 | 131 | Bus.write((0x01<<_Pin)|Temp); |
Suky | 0:d0e0b38e5991 | 132 | } |
Suky | 0:d0e0b38e5991 | 133 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 134 | } |
Suky | 0:d0e0b38e5991 | 135 | |
Suky | 0:d0e0b38e5991 | 136 | int PCA9538PinOut::read(){ |
Suky | 0:d0e0b38e5991 | 137 | unsigned char Temp; |
Suky | 0:d0e0b38e5991 | 138 | |
Suky | 0:d0e0b38e5991 | 139 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 140 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 141 | Bus.write(0x01); |
Suky | 0:d0e0b38e5991 | 142 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 143 | Bus.write(_Address | 0x01); |
Suky | 0:d0e0b38e5991 | 144 | Temp=Bus.read(0); |
Suky | 0:d0e0b38e5991 | 145 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 146 | |
Suky | 0:d0e0b38e5991 | 147 | return((Temp>>_Pin)&0x01); |
Suky | 0:d0e0b38e5991 | 148 | } |
Suky | 0:d0e0b38e5991 | 149 | |
Suky | 0:d0e0b38e5991 | 150 | PCA9538PinOut& PCA9538PinOut::operator= (int value){ |
Suky | 0:d0e0b38e5991 | 151 | vWrite(value); |
Suky | 0:d0e0b38e5991 | 152 | } |
Suky | 0:d0e0b38e5991 | 153 | |
Suky | 0:d0e0b38e5991 | 154 | PCA9538PinOut::operator int(){ |
Suky | 0:d0e0b38e5991 | 155 | |
Suky | 0:d0e0b38e5991 | 156 | return(read()); |
Suky | 0:d0e0b38e5991 | 157 | } |
Suky | 0:d0e0b38e5991 | 158 | //***************************************************************************** |
Suky | 0:d0e0b38e5991 | 159 | class PCA9538PinIn{ |
Suky | 0:d0e0b38e5991 | 160 | public: |
Suky | 0:d0e0b38e5991 | 161 | PCA9538PinIn(ExpPinName Pin,PinName PIN_SDA,PinName PIN_SCL,unsigned char Address); |
Suky | 0:d0e0b38e5991 | 162 | int read(); |
Suky | 0:d0e0b38e5991 | 163 | #ifdef MBED_OPERATORS |
Suky | 0:d0e0b38e5991 | 164 | operator int(); |
Suky | 0:d0e0b38e5991 | 165 | #endif |
Suky | 0:d0e0b38e5991 | 166 | protected: |
Suky | 0:d0e0b38e5991 | 167 | ExpPinName _Pin; |
Suky | 0:d0e0b38e5991 | 168 | unsigned char _Address; |
Suky | 0:d0e0b38e5991 | 169 | I2C Bus; |
Suky | 0:d0e0b38e5991 | 170 | }; |
Suky | 0:d0e0b38e5991 | 171 | |
Suky | 0:d0e0b38e5991 | 172 | PCA9538PinIn::PCA9538PinIn(ExpPinName Pin,PinName PIN_SDA,PinName PIN_SCL,unsigned char Address) |
Suky | 0:d0e0b38e5991 | 173 | :Bus(PIN_SDA,PIN_SCL),_Pin(Pin),_Address(Address<<1){ |
Suky | 0:d0e0b38e5991 | 174 | unsigned char Temp; |
Suky | 0:d0e0b38e5991 | 175 | |
Suky | 0:d0e0b38e5991 | 176 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 177 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 178 | Bus.write(0x03); |
Suky | 0:d0e0b38e5991 | 179 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 180 | Bus.write(_Address | 0x01); |
Suky | 0:d0e0b38e5991 | 181 | Temp=Bus.read(0); |
Suky | 0:d0e0b38e5991 | 182 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 183 | |
Suky | 0:d0e0b38e5991 | 184 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 185 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 186 | Bus.write(0x03); |
Suky | 0:d0e0b38e5991 | 187 | Bus.write((0x01<<_Pin)|Temp); |
Suky | 0:d0e0b38e5991 | 188 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 189 | } |
Suky | 0:d0e0b38e5991 | 190 | |
Suky | 0:d0e0b38e5991 | 191 | int PCA9538PinIn::read(){ |
Suky | 0:d0e0b38e5991 | 192 | unsigned char Temp; |
Suky | 0:d0e0b38e5991 | 193 | |
Suky | 0:d0e0b38e5991 | 194 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 195 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 196 | Bus.write(0x00); |
Suky | 0:d0e0b38e5991 | 197 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 198 | Bus.write(_Address | 0x01); |
Suky | 0:d0e0b38e5991 | 199 | Temp=Bus.read(0); |
Suky | 0:d0e0b38e5991 | 200 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 201 | |
Suky | 0:d0e0b38e5991 | 202 | return((Temp>>_Pin)&0x01); |
Suky | 0:d0e0b38e5991 | 203 | } |
Suky | 0:d0e0b38e5991 | 204 | |
Suky | 0:d0e0b38e5991 | 205 | PCA9538PinIn::operator int(){ |
Suky | 0:d0e0b38e5991 | 206 | |
Suky | 0:d0e0b38e5991 | 207 | return(read()); |
Suky | 0:d0e0b38e5991 | 208 | } |
Suky | 0:d0e0b38e5991 | 209 | //***************************************************************************** |
Suky | 0:d0e0b38e5991 | 210 | class PCA9538{ |
Suky | 0:d0e0b38e5991 | 211 | public: |
Suky | 0:d0e0b38e5991 | 212 | PCA9538(PinName PIN_SDA,PinName PIN_SCL,unsigned char Address,PinName PIN_INT=NC); |
Suky | 0:d0e0b38e5991 | 213 | void vInit(unsigned char Dir,void (*fptr)(void)); |
Suky | 0:d0e0b38e5991 | 214 | void vSetConfiguration(unsigned char Dir); |
Suky | 0:d0e0b38e5991 | 215 | void vSetPolarity(unsigned char Pol); |
Suky | 0:d0e0b38e5991 | 216 | unsigned char cRead(void); |
Suky | 0:d0e0b38e5991 | 217 | void vWrite(unsigned char Data); |
Suky | 0:d0e0b38e5991 | 218 | void vEnableSetInterrupt(void (*fptr)(void)); |
Suky | 0:d0e0b38e5991 | 219 | void vDisableInterrupt(void); |
Suky | 0:d0e0b38e5991 | 220 | bool bReadPinINT(void); |
Suky | 0:d0e0b38e5991 | 221 | protected: |
Suky | 0:d0e0b38e5991 | 222 | I2C Bus; |
Suky | 0:d0e0b38e5991 | 223 | InterruptIn PCA9538_Event; |
Suky | 0:d0e0b38e5991 | 224 | DigitalIn _PIN_INT; |
Suky | 0:d0e0b38e5991 | 225 | unsigned char _Address; |
Suky | 0:d0e0b38e5991 | 226 | }; |
Suky | 0:d0e0b38e5991 | 227 | |
Suky | 0:d0e0b38e5991 | 228 | PCA9538::PCA9538(PinName PIN_SDA,PinName PIN_SCL,unsigned char Address,PinName PIN_INT) |
Suky | 0:d0e0b38e5991 | 229 | : Bus(PIN_SDA,PIN_SCL),_PIN_INT(PIN_INT),PCA9538_Event(PIN_INT){ |
Suky | 0:d0e0b38e5991 | 230 | _Address=Address<<1; |
Suky | 0:d0e0b38e5991 | 231 | } |
Suky | 0:d0e0b38e5991 | 232 | |
Suky | 0:d0e0b38e5991 | 233 | void PCA9538::vInit(unsigned char Dir,void (*fptr)(void)){ |
Suky | 0:d0e0b38e5991 | 234 | |
Suky | 0:d0e0b38e5991 | 235 | //Bus.frequency(400000); |
Suky | 0:d0e0b38e5991 | 236 | |
Suky | 0:d0e0b38e5991 | 237 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 238 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 239 | Bus.write(0x03); |
Suky | 0:d0e0b38e5991 | 240 | Bus.write(Dir); |
Suky | 0:d0e0b38e5991 | 241 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 242 | |
Suky | 0:d0e0b38e5991 | 243 | if (fptr!=NULL){ |
Suky | 0:d0e0b38e5991 | 244 | PCA9538_Event.fall(fptr); |
Suky | 0:d0e0b38e5991 | 245 | } |
Suky | 0:d0e0b38e5991 | 246 | } |
Suky | 0:d0e0b38e5991 | 247 | |
Suky | 0:d0e0b38e5991 | 248 | void PCA9538::vSetConfiguration(unsigned char Dir){ |
Suky | 0:d0e0b38e5991 | 249 | |
Suky | 0:d0e0b38e5991 | 250 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 251 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 252 | Bus.write(0x03); |
Suky | 0:d0e0b38e5991 | 253 | Bus.write(Dir); |
Suky | 0:d0e0b38e5991 | 254 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 255 | } |
Suky | 0:d0e0b38e5991 | 256 | |
Suky | 0:d0e0b38e5991 | 257 | void PCA9538::vSetPolarity(unsigned char Pol){ |
Suky | 0:d0e0b38e5991 | 258 | |
Suky | 0:d0e0b38e5991 | 259 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 260 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 261 | Bus.write(0x02); |
Suky | 0:d0e0b38e5991 | 262 | Bus.write(Pol); |
Suky | 0:d0e0b38e5991 | 263 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 264 | } |
Suky | 0:d0e0b38e5991 | 265 | |
Suky | 0:d0e0b38e5991 | 266 | unsigned char PCA9538::cRead(void){ |
Suky | 0:d0e0b38e5991 | 267 | unsigned char Temp; |
Suky | 0:d0e0b38e5991 | 268 | |
Suky | 0:d0e0b38e5991 | 269 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 270 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 271 | Bus.write(0x00); |
Suky | 0:d0e0b38e5991 | 272 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 273 | Bus.write(_Address | 0x01); |
Suky | 0:d0e0b38e5991 | 274 | Temp=Bus.read(0); |
Suky | 0:d0e0b38e5991 | 275 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 276 | |
Suky | 0:d0e0b38e5991 | 277 | return(Temp); |
Suky | 0:d0e0b38e5991 | 278 | } |
Suky | 0:d0e0b38e5991 | 279 | |
Suky | 0:d0e0b38e5991 | 280 | void PCA9538::vWrite(unsigned char Data){ |
Suky | 0:d0e0b38e5991 | 281 | |
Suky | 0:d0e0b38e5991 | 282 | Bus.start(); |
Suky | 0:d0e0b38e5991 | 283 | Bus.write(_Address & 0xFE); |
Suky | 0:d0e0b38e5991 | 284 | Bus.write(0x01); |
Suky | 0:d0e0b38e5991 | 285 | Bus.write(Data); |
Suky | 0:d0e0b38e5991 | 286 | Bus.stop(); |
Suky | 0:d0e0b38e5991 | 287 | } |
Suky | 0:d0e0b38e5991 | 288 | |
Suky | 0:d0e0b38e5991 | 289 | void PCA9538::vEnableSetInterrupt(void (*fptr)(void)){ |
Suky | 0:d0e0b38e5991 | 290 | PCA9538_Event.fall(fptr); |
Suky | 0:d0e0b38e5991 | 291 | } |
Suky | 0:d0e0b38e5991 | 292 | |
Suky | 0:d0e0b38e5991 | 293 | void PCA9538::vDisableInterrupt(void){ |
Suky | 0:d0e0b38e5991 | 294 | PCA9538_Event.fall(NULL); |
Suky | 0:d0e0b38e5991 | 295 | } |
Suky | 0:d0e0b38e5991 | 296 | |
Suky | 0:d0e0b38e5991 | 297 | bool PCA9538::bReadPinINT(void){ |
Suky | 0:d0e0b38e5991 | 298 | return(_PIN_INT); |
Suky | 0:d0e0b38e5991 | 299 | } |