mirror of
https://github.com/DCC-EX/CommandStation-EX.git
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311 lines
12 KiB
Plaintext
311 lines
12 KiB
Plaintext
// Sample myHal.cpp file.
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//
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// To use this file, copy it to myHal.cpp and uncomment the directives and/or
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// edit them to satisfy your requirements. If you only want to use up to
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// two MCP23017 GPIO Expander modules and/or up to two PCA9685 Servo modules,
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// then you don't need this file as DCC++EX configures these for free!
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// Note that if the file has a .cpp extension it WILL be compiled into the build
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// and the halSetup() function WILL be invoked.
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//
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// To prevent this, temporarily rename the file to myHal.txt or similar.
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//
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// The #if directive prevent compile errors for Uno and Nano by excluding the
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// HAL directives from the build.
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#if !defined(IO_NO_HAL)
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// Include devices you need.
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#include "IODevice.h"
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//#include "IO_HALDisplay.h" // Auxiliary display devices (LCD/OLED)
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//#include "IO_HCSR04.h" // Ultrasonic range sensor
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//#include "IO_VL53L0X.h" // Laser time-of-flight sensor
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//#include "IO_DFPlayer.h" // MP3 sound player
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//#include "IO_TouchKeypad.h // Touch keypad with 16 keys
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//#include "IO_EXTurntable.h" // Turntable-EX turntable controller
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//#include "IO_EXFastClock.h" // FastClock driver
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//==========================================================================
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// The function halSetup() is invoked from CS if it exists within the build.
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// The setup calls are included between the open and close braces "{ ... }".
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// Comments (lines preceded by "//") are optional.
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//==========================================================================
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void halSetup() {
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//=======================================================================
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// The following directives define auxiliary display devices.
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// These can be defined in addition to the system display (display
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// number 0) that is defined in config.h.
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// A write to a line which is beyond the length of the screen will overwrite
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// the bottom line, unless the line number is 255 in which case the
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// screen contents will scroll up before the text is written to the
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// bottom line.
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//=======================================================================
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//
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// Create a 128x32 OLED display device as display number 1
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// (line 0 is written by EX-RAIL 'SCREEN(1, 0, "text")').
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//HALDisplay<OLED>::create(1, 0x3d, 128, 32);
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// Create a 20x4 LCD display device as display number 2
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// (line 0 is written by EX-RAIL 'SCREEN(2, 0, "text")').
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// HALDisplay<LiquidCrystal>::create(2, 0x27, 20, 4);
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//=======================================================================
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// User Add-ins
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//=======================================================================
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// User add-ins can be created when you want to do something that
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// can't be done in EX-RAIL but does not merit a HAL driver. The
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// user add-in is a C++ function that is executed periodically by the
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// HAL subsystem.
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// Example: The function will be executed once per second and will display,
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// on screen #3, the first eight entries (assuming an 8-line display)
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// from the loco speed table.
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// Put the following block of code in myHal.cpp OUTSIDE of the
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// halSetup() function:
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//
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// void updateLocoScreen() {
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// for (int i=0; i<8; i++) {
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// if (DCC::speedTable[i].loco > 0) {
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// int speed = DCC::speedTable[i].speedCode;
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// char direction = (speed & 0x80) ? 'R' : 'F';
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// speed = speed & 0x7f;
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// if (speed > 0) speed = speed - 1;
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// SCREEN(3, i, F("Loco:%4d %3d %c"), DCC::speedTable[i].loco,
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// speed, direction);
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// }
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// }
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// }
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//
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// Put the following line INSIDE the halSetup() function:
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//
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// UserAddin::create(updateLocoScreen, 1000);
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//
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//=======================================================================
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// The following directive defines a PCA9685 PWM Servo driver module.
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//=======================================================================
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// The parameters are:
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// First Vpin=100
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// Number of VPINs=16 (numbered 100-115)
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// I2C address of module=0x40
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//PCA9685::create(100, 16, 0x40);
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//=======================================================================
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// The following directive defines an MCP23017 16-port I2C GPIO Extender module.
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//=======================================================================
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// The parameters are:
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// First Vpin=196
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// Number of VPINs=16 (numbered 196-211)
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// I2C address of module=0x22
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//MCP23017::create(196, 16, 0x22);
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// Alternative form, which allows the INT pin of the module to request a scan
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// by pulling Arduino pin 40 to ground. Means that the I2C isn't being polled
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// all the time, only when a change takes place. Multiple modules' INT pins
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// may be connected to the same Arduino pin.
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//MCP23017::create(196, 16, 0x22, 40);
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//=======================================================================
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// The following directive defines an MCP23008 8-port I2C GPIO Extender module.
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//=======================================================================
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// The parameters are:
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// First Vpin=300
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// Number of VPINs=8 (numbered 300-307)
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// I2C address of module=0x22
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//MCP23008::create(300, 8, 0x22);
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//=======================================================================
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// The following directive defines a PCF8574 8-port I2C GPIO Extender module.
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//=======================================================================
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// The parameters are:
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// First Vpin=200
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// Number of VPINs=8 (numbered 200-207)
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// I2C address of module=0x23
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//PCF8574::create(200, 8, 0x23);
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// Alternative form using INT pin (see above)
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//PCF8574::create(200, 8, 0x23, 40);
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//=======================================================================
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// The following directive defines a PCF8575 16-port I2C GPIO Extender module.
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//=======================================================================
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// The parameters are:
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// First Vpin=200
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// Number of VPINs=16 (numbered 200-215)
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// I2C address of module=0x23
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//PCF8575::create(200, 16, 0x23);
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// Alternative form using INT pin (see above)
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//PCF8575::create(200, 16, 0x23, 40);
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//=======================================================================
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// The following directive defines an HCSR04 ultrasonic ranging module.
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//=======================================================================
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// The parameters are:
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// Vpin=2000 (only one VPIN per directive)
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// Number of VPINs=1
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// Arduino pin connected to TRIG=30
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// Arduino pin connected to ECHO=31
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// Minimum trigger range=20cm (VPIN goes to 1 when <20cm)
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// Maximum trigger range=25cm (VPIN goes to 0 when >25cm)
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// Note: Multiple devices can be configured by using a different ECHO pin
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// for each one. The TRIG pin can be shared between multiple devices.
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// Be aware that the 'ping' of one device may be received by another
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// device and position them accordingly!
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//HCSR04::create(2000, 30, 31, 20, 25);
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//HCSR04::create(2001, 30, 32, 20, 25);
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//=======================================================================
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// The following directive defines a single VL53L0X Time-of-Flight range sensor.
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//=======================================================================
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// The parameters are:
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// VPIN=5000
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// Number of VPINs=1
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// I2C address=0x29 (default for this chip)
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// Minimum trigger range=200mm (VPIN goes to 1 when <20cm)
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// Maximum trigger range=250mm (VPIN goes to 0 when >25cm)
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//VL53L0X::create(5000, 1, 0x29, 200, 250);
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// For multiple VL53L0X modules, add another parameter which is a VPIN connected to the
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// module's XSHUT pin. This allows the modules to be configured, at start,
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// with distinct I2C addresses. In this case, the address 0x29 is only used during
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// initialisation to configure each device in turn with the desired unique I2C address.
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// The examples below have the modules' XSHUT pins connected to the first two pins of
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// the first MCP23017 module (164 and 165), but Arduino pins may be used instead.
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// The first module here is given I2C address 0x30 and the second is 0x31.
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//VL53L0X::create(5000, 1, 0x30, 200, 250, 164);
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//VL53L0X::create(5001, 1, 0x31, 200, 250, 165);
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//=======================================================================
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// Play mp3 files from a Micro-SD card, using a DFPlayer MP3 Module.
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//=======================================================================
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// Parameters:
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// 10000 = first VPIN allocated.
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// 10 = number of VPINs allocated.
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// Serial1 = name of serial port (usually Serial1 or Serial2).
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// With these parameters, up to 10 files may be played on pins 10000-10009.
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// Play is started from EX-RAIL with SET(10000) for first mp3 file, SET(10001)
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// for second file, etc. Play may also be initiated by writing an analogue
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// value to the first pin, e.g. ANOUT(10000,23,0,0) will play the 23rd mp3 file.
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// ANOUT(10000,23,30,0) will do the same thing, as well as setting the volume to
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// 30 (maximum value).
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// Play is stopped by RESET(10000) (or any other allocated VPIN).
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// Volume may also be set by writing an analogue value to the second pin for the player,
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// e.g. ANOUT(10001,30,0,0) sets volume to maximum (30).
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// The EX-RAIL script may check for completion of play by calling WAITFOR(pin), which will only proceed to the
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// following line when the player is no longer busy.
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// E.g.
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// SEQUENCE(1)
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// AT(164) // Wait for sensor attached to pin 164 to activate
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// SET(10003) // Play fourth MP3 file
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// LCD(4, "Playing") // Display message on LCD/OLED
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// WAITFOR(10003) // Wait for playing to finish
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// LCD(4, "") // Clear LCD/OLED line
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// FOLLOW(1) // Go back to start
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// DFPlayer::create(10000, 10, Serial1);
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//=======================================================================
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// 16-pad capacitative touch key pad based on TP229 IC.
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//=======================================================================
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// Parameters below:
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// 11000 = first VPIN allocated
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// 16 = number of VPINs allocated
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// 25 = local GPIO pin number for clock signal
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// 24 = local GPIO pin number for data signal
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//
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// Pressing the key pads numbered 1-16 cause each of the nominated digital VPINs
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// (11000-11015 in this case) to be activated.
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// TouchKeypad::create(11000, 16, 25, 24);
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//=======================================================================
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// The following directive defines an EX-Turntable turntable instance.
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//=======================================================================
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// EXTurntable::create(VPIN, Number of VPINs, I2C Address)
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//
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// The parameters are:
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// VPIN=600
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// Number of VPINs=1 (Note there is no reason to change this)
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// I2C address=0x60
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//
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// Note that the I2C address is defined in the EX-Turntable code, and 0x60 is the default.
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//EXTurntable::create(600, 1, 0x60);
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//=======================================================================
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// The following directive defines an EX-IOExpander instance.
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//=======================================================================
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// EXIOExpander::create(VPIN, Number of VPINs, I2C Address)
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//
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// The parameters are:
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// VPIN=an available Vpin
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// Number of VPINs=pin count (must match device in use as per documentation)
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// I2C address=an available I2C address (default 0x65)
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//
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// Note that the I2C address is defined in the EX-IOExpander code, and 0x65 is the default.
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// The example is for an Arduino Nano.
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//EXIOExpander::create(800, 18, 0x65);
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//=======================================================================
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// The following directive defines a rotary encoder instance.
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//=======================================================================
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// The parameters are:
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// firstVpin = First available Vpin to allocate
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// numPins= Number of Vpins to allocate, can be either 1 or 2
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// i2cAddress = Available I2C address (default 0x70)
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//RotaryEncoder::create(firstVpin, numPins, i2cAddress);
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//RotaryEncoder::create(700, 1, 0x70);
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//RotaryEncoder::create(701, 2, 0x71);
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//=======================================================================
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// The following directive defines an EX-FastClock instance.
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//=======================================================================
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// EXFastCLock::create(I2C Address)
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//
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// The parameters are:
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//
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// I2C address=0x55 (decimal 85)
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//
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// Note that the I2C address is defined in the EX-FastClock code, and 0x55 is the default.
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// EXFastClock::create(0x55);
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}
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#endif
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