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cc521dcd43
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a99c7e3e93
@ -1,106 +0,0 @@
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#include "PCF8574.h"
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PCF8574::PCF8574(uint8_t address, TwoWire &twc) : _twc(twc), _address(address), _pinConfig(0b11111111), _pddr(0b00000000) //Inputs by default
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{
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}
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boolean PCF8574::begin()
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{
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_twc.begin();
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_twc.beginTransmission(_address);
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_twc.write(_pinConfig);
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return _twc.endTransmission() == 0;
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}
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void PCF8574::pinMode(Pin pin, boolean mode)
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{
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uint8_t mask = mode ? pin : pin; //0 INPUT - 1 OUTPUT
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if(mode)//OUTPUT
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{
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_pinConfig = _pinConfig | mask;
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_pddr = _pddr | pin;
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}
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else
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{
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_pinConfig = _pinConfig | mask;
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_pddr = _pddr & ~pin;
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}
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_pinConfig = _pinConfig | mask;
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_twc.beginTransmission(_address);
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_twc.write(_pinConfig);
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_twc.endTransmission();
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}
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void PCF8574::digitalWrite(Pin pin, boolean mode)
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{
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//We first check that the pin is an output
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if((_pddr & pin) == 0)
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return;
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uint8_t mask = mode ? pin : ~pin; //0 LOW, 1 HIGH
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if(mode)
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_pinConfig = _pinConfig | mask;
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else
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_pinConfig = _pinConfig & mask;
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_twc.beginTransmission(_address);
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_twc.write(_pinConfig);
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_twc.endTransmission();
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}
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void PCF8574::togglePin(Pin pin)
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{
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//We first check that the pin is an output
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if((_pddr & pin) == 0)
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return;
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_pinConfig = (_pinConfig & pin) == 0 ? _pinConfig | pin : _pinConfig & ~pin;
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_twc.beginTransmission(_address);
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_twc.write(_pinConfig);
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_twc.endTransmission();
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}
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boolean PCF8574::digitalRead(Pin pin)
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{
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uint8_t reg = 0b00000000;
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_twc.requestFrom((uint8_t)_address,(uint8_t)1,(uint8_t)true);
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while(_twc.available())reg = _twc.read();
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return (reg & pin) == 0 ? 0 : 1;
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}
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void PCF8574::digitalReadAll(boolean array[8])
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{
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uint8_t reg = 0b00000000;
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_twc.requestFrom((uint8_t)_address,(uint8_t)1,(uint8_t)true);
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while(_twc.available())reg = _twc.read();
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array[0] = (reg & P0) == 0 ? 0 : 1;
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array[1] = (reg & P1) == 0 ? 0 : 1;
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array[2] = (reg & P2) == 0 ? 0 : 1;
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array[3] = (reg & P3) == 0 ? 0 : 1;
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array[4] = (reg & P4) == 0 ? 0 : 1;
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array[5] = (reg & P5) == 0 ? 0 : 1;
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array[6] = (reg & P6) == 0 ? 0 : 1;
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array[7] = (reg & P7) == 0 ? 0 : 1;
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}
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boolean PCF8574::getPinMode(Pin pin)
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{
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return _pddr & pin == 0 ? INPUT : OUTPUT;
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}
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void PCF8574::getPinModeAll(boolean array[8])
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{
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array[0] = (_pddr & P0) == 0 ? INPUT : OUTPUT;
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array[1] = (_pddr & P1) == 0 ? INPUT : OUTPUT;
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array[2] = (_pddr & P2) == 0 ? INPUT : OUTPUT;
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array[3] = (_pddr & P3) == 0 ? INPUT : OUTPUT;
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array[4] = (_pddr & P4) == 0 ? INPUT : OUTPUT;
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array[5] = (_pddr & P5) == 0 ? INPUT : OUTPUT;
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array[6] = (_pddr & P6) == 0 ? INPUT : OUTPUT;
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array[7] = (_pddr & P7) == 0 ? INPUT : OUTPUT;
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}
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@ -1,34 +0,0 @@
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#ifndef PCF8574_H
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#define PCF8574_H
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#include <Arduino.h>
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#include <Wire.h>
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/***
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* A very simple class to drive a PCF8574 chip
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*
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* Anatole SCHRAMM-HENRY -- Th3maz1ng
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***/
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class PCF8574
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{
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public:
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enum Pin{P0 = 1, P1 = 2, P2 = 4, P3 = 8, P4 = 16, P5 = 32, P6 = 64, P7 = 128};
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PCF8574(uint8_t address, TwoWire &twc = Wire);
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boolean begin();
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void pinMode(Pin pin, boolean mode = INPUT);
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void digitalWrite(Pin pin, boolean mode);
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boolean digitalRead(Pin pin);
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void digitalReadAll(boolean array[8]);
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boolean getPinMode(Pin pin);
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void getPinModeAll(boolean array[8]);
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void togglePin(Pin pin);
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private:
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TwoWire &_twc;
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uint8_t _address;
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uint8_t _pinConfig;
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uint8_t _pddr;
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protected:
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};
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#endif //PCF8574_H
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@ -1,22 +0,0 @@
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#include "PCF8574.h"
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//Example program with blink on P0 and digitalRead on P1 - P7
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PCF8574 pcf(0x27);
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void setup() {
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Serial.begin(9600);
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// put your setup code here, to run once:
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pcf.begin();
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pcf.pinMode(PCF8574::P0,OUTPUT);
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}
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void loop() {
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// put your main code here, to run repeatedly:
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Serial.print(pcf.digitalRead(PCF8574::P0));Serial.print(pcf.digitalRead(PCF8574::P1));Serial.print(pcf.digitalRead(PCF8574::P2));Serial.print(pcf.digitalRead(PCF8574::P3));Serial.print(pcf.digitalRead(PCF8574::P4));Serial.print(pcf.digitalRead(PCF8574::P5));Serial.print(pcf.digitalRead(PCF8574::P6));Serial.println(pcf.digitalRead(PCF8574::P7));
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//pcf.digitalRead(PCF8574::P0);
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pcf.digitalWrite(PCF8574::P0, HIGH);
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delay(200);
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pcf.digitalWrite(PCF8574::P0, LOW);
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delay(200);
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}
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@ -1,31 +0,0 @@
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#######################################
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# Syntax Coloring Map For PCF8574
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#######################################
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#######################################
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# Datatypes (KEYWORD1)
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#######################################
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PCF8574 KEYWORD1
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#######################################
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# Methods and Functions (KEYWORD2)
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#######################################
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digitalReadAll KEYWORD2
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getPinMode KEYWORD2
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getPinModeAll KEYWORD2
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togglePin KEYWORD2
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#######################################
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# Constants (LITERAL1)
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#######################################
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P0 LITERAL1
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P1 LITERAL1
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P2 LITERAL1
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P3 LITERAL1
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P4 LITERAL1
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P5 LITERAL1
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P6 LITERAL1
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P7 LITERAL1
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@ -1,20 +0,0 @@
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#ifndef DEFINITION_H
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#define DEFINITION_H
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#include "packet_format.h"
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//Payload structure
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typedef struct
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{
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uint16_t id;
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HEADER_e header : 6;
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unsigned int ldr : 10;
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float battery;
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float bmpTemp;
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float bmpPress;
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float humidity;
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float compensatedHumidity;
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float htuTemp;
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} DataPacket __attribute__((__packed__));
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#endif //DEFINITION_H
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@ -1,6 +0,0 @@
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#ifndef PACKET_FORMAT_H
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#define PACKET_FORMAT_H
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enum HEADER_e {WEATHER_STATION = 0};
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#endif //PACKET_FORMAT_H
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@ -1,149 +0,0 @@
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/**
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* Author : Anatole SCHRAMM-HENRY
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* Created the : 13/06/2021
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* This TEST program aims to verify all the basic functions of the gateway by displaying some output to a serial console :
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* - Testing that both NRF work correctly
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* - Testing the LED status lights
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* - Testing the NRF IRQs detection with the PCF8574
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*/
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#include <SPI.h>
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#include <ESP8266WiFi.h>
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#include <PCF8574.h>
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#include "RF24.h"
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#include "definition.h"
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#define NRF_1_CE 15 //chip enable
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#define NRF_2_CE 16 //chip enable
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#define NRF_1_CS 5 //chip select
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#define NRF_2_CS 4 //chip select
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#define CHAN 108 //0-125
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#define RECV_CHECK 100 //We test every 100 ms if we received something
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#define WIFI_CHECK_TIMEOUT 20000
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DataPacket p;
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RF24 NRF_1(NRF_1_CE, NRF_1_CS);
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RF24 NRF_2(NRF_2_CE, NRF_2_CS);
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PCF8574 PCF(0x20);
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const uint8_t ADDR[] = "WEST1";
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uint64_t timeStamp(0), recvSlot(0), packetTimeout(0);
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uint32_t freeMem(0);
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uint16_t biggestContigMemBlock(0);
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uint8_t frag(0);
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void setup() {
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//We do not need to read on the serial bus
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Serial.begin(115200, SERIAL_8N1, SERIAL_TX_ONLY);
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Serial.println("Setup begin");
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//To prevent wear and tear on the flash mem
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WiFi.persistent(false);
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WiFi.disconnect(true);
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WiFi.softAPdisconnect(true);
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Serial.printf("NRF 1 %s\n",NRF_1.begin() ? "started" : "error");
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if(!NRF_1.isChipConnected())
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Serial.println("NRF 1 is missing");
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else
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Serial.println("NRF 1 is detected");
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NRF_1.setChannel(CHAN);
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NRF_1.setPALevel(RF24_PA_MIN);
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NRF_1.setDataRate(RF24_250KBPS);
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NRF_1.setRetries(8,15);
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NRF_1.openReadingPipe(1, ADDR);
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NRF_1.startListening();
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Serial.printf("NRF 2 %s\n",NRF_2.begin() ? "started" : "error");
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if(!NRF_2.isChipConnected())
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Serial.println("NRF 2 is missing");
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else
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Serial.println("NRF 2 is detected");
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NRF_2.setChannel(CHAN);
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NRF_2.setPALevel(RF24_PA_MIN);
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NRF_2.setDataRate(RF24_250KBPS);
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NRF_2.setRetries(8,15);
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NRF_2.openReadingPipe(1, ADDR);
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NRF_2.startListening();
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memset(&p, 0, sizeof p);
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//Setting the I2C pins and the PCF8574
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Wire.begin(0,2);
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Serial.printf("PCF %s\n", PCF.begin() ? "found" : "not found");
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PCF.pinMode(PCF8574::P2, OUTPUT);
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PCF.pinMode(PCF8574::P3, OUTPUT);
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PCF.pinMode(PCF8574::P4, OUTPUT);
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Serial.println("End setup");
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}
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void loop() {
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// put your main code here, to run repeatedly:
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if(millis() - recvSlot > RECV_CHECK)
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{
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if(NRF_1.available()) //Then we read the incoming data
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{
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NRF_1.read(&p, sizeof(p));
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Serial.printf("NRF 1 Received : \n");
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debugStruct(&p);
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}
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if(NRF_2.available()) //Then we read the incoming data
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{
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NRF_2.read(&p, sizeof(p));
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Serial.printf("NRF 2 Received : \n");
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debugStruct(&p);
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}
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recvSlot = millis();
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}
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//Here we check if we are still connected
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if(millis() - timeStamp > WIFI_CHECK_TIMEOUT)
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{
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PCF.togglePin(PCF8574::P2);
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PCF.togglePin(PCF8574::P3);
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PCF.togglePin(PCF8574::P4);
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ESP.getHeapStats(&freeMem, &biggestContigMemBlock, &frag);
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printf("Memory Info :\n - Free Mem > %u\n - Heap frag > %u\n - Max block > %u\n", freeMem, frag, biggestContigMemBlock);
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timeStamp = millis();
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}
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}
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void debugStruct(DataPacket *p)
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{
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Serial.println("##############DATA##############");
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Serial.print("ID : ");
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Serial.println(p->id);
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Serial.print("HEADER : ");
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Serial.println(p->header);
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Serial.printf("BATT : %.5f V\n", p->battery);
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Serial.print("LDR : ");
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Serial.println(p->ldr);
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Serial.print("BMP TEMP : ");
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Serial.print(p->bmpTemp);
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Serial.println(" *C");
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Serial.print("BMP PRESS : ");
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Serial.print(p->bmpPress);
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Serial.println(" Pa");
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Serial.print("HUM : ");
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Serial.print(p->humidity);
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Serial.println(" %");
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Serial.print("COM HUM : ");
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Serial.print(p->compensatedHumidity);
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Serial.println(" %");
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Serial.print("HTU TEMP : ");
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Serial.print(p->htuTemp);
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Serial.println(" *C");
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}
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