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mirror of https://github.com/DCC-EX/CommandStation-EX.git synced 2024-12-23 21:01:25 +01:00

Add input list

This commit is contained in:
peteGSX 2024-04-21 08:54:46 +10:00
parent 1de7857e00
commit 0029762fc6

View File

@ -46,6 +46,45 @@
#include "DIAG.h" #include "DIAG.h"
#include "FSH.h" #include "FSH.h"
/////////////////////////////////////////////////////////////////////////////////////////////////////
/*
* ConfiguredInput class to maintain a cache of configured input pins.
* This enables reconfiguring defined input pins when <D HAL RESET> is issued, otherwise all input pins
* are left unconfigured after calling _begin, as EXRAIL inputs are only configured at startup.
*/
class ConfiguredInput {
public:
ConfiguredInput(VPIN vpin, IODevice::ConfigTypeEnum inputType, uint8_t pullup) :
_vpin(vpin), _inputType(inputType), _pullup(pullup) {}
int getVpin() {
return _vpin;
}
IODevice::ConfigTypeEnum getInputType() {
return _inputType;
}
uint8_t getPullup() {
return _pullup;
}
void setNext(ConfiguredInput *input) {
_next = input;
}
ConfiguredInput *getNext() {
return _next;
}
private:
VPIN _vpin;
IODevice::ConfigTypeEnum _inputType;
uint8_t _pullup;
ConfiguredInput *_next = nullptr;
};
///////////////////////////////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////////////////////////////
/* /*
* IODevice subclass for EX-IOExpander. * IODevice subclass for EX-IOExpander.
@ -75,6 +114,7 @@ private:
if (nPins > 256) nPins = 256; if (nPins > 256) nPins = 256;
_nPins = nPins; _nPins = nPins;
_I2CAddress = i2cAddress; _I2CAddress = i2cAddress;
_firstInput = nullptr;
addDevice(this); addDevice(this);
} }
@ -170,6 +210,39 @@ private:
DIAG(F("EX-IOExpander I2C:%s device not found"), _I2CAddress.toString()); DIAG(F("EX-IOExpander I2C:%s device not found"), _I2CAddress.toString());
_deviceState = DEVSTATE_FAILED; _deviceState = DEVSTATE_FAILED;
} }
if (status == I2C_STATUS_OK) {
if (_firstInput) {
for (ConfiguredInput *input = _firstInput; input; input = input->getNext()) {
switch (input->getInputType()) {
case ConfigTypeEnum::CONFIGURE_INPUT: {
int params[1] = {input->getPullup()};
_configure(input->getVpin(), input->getInputType(), 1, params);
break;
}
case ConfigTypeEnum::CONFIGURE_ANALOGINPUT: {
_configureAnalogIn(input->getVpin());
break;
}
default:
break;
}
}
}
}
}
void addConfiguredInput(ConfiguredInput *input) {
if (!_firstInput) {
_firstInput = input;
} else {
ConfiguredInput *current = _firstInput;
while (current->getNext() != nullptr) {
current = current->getNext();
}
current->setNext(input);
}
} }
// Digital input pin configuration, used to enable on EX-IOExpander device and set pullups if requested. // Digital input pin configuration, used to enable on EX-IOExpander device and set pullups if requested.
@ -186,6 +259,7 @@ private:
outBuffer, sizeof(outBuffer)); outBuffer, sizeof(outBuffer));
if (status == I2C_STATUS_OK) { if (status == I2C_STATUS_OK) {
if (responseBuffer[0] == EXIORDY) { if (responseBuffer[0] == EXIORDY) {
addConfiguredInput (new ConfiguredInput(vpin, configType, pullup));
return true; return true;
} else { } else {
DIAG(F("EXIOVpin %u cannot be used as a digital input pin"), (int)vpin); DIAG(F("EXIOVpin %u cannot be used as a digital input pin"), (int)vpin);
@ -212,6 +286,7 @@ private:
commandBuffer, sizeof(commandBuffer)); commandBuffer, sizeof(commandBuffer));
if (status == I2C_STATUS_OK) { if (status == I2C_STATUS_OK) {
if (responseBuffer[0] == EXIORDY) { if (responseBuffer[0] == EXIORDY) {
addConfiguredInput(new ConfiguredInput(vpin, ConfigTypeEnum::CONFIGURE_ANALOGINPUT, 0));
return true; return true;
} else { } else {
DIAG(F("EX-IOExpander: Vpin %u cannot be used as an analogue input pin"), (int)vpin); DIAG(F("EX-IOExpander: Vpin %u cannot be used as an analogue input pin"), (int)vpin);
@ -398,6 +473,8 @@ private:
const unsigned long _digitalRefresh = 10000UL; // Delay refreshing digital inputs for 10ms const unsigned long _digitalRefresh = 10000UL; // Delay refreshing digital inputs for 10ms
const unsigned long _analogueRefresh = 50000UL; // Delay refreshing analogue inputs for 50ms const unsigned long _analogueRefresh = 50000UL; // Delay refreshing analogue inputs for 50ms
ConfiguredInput *_firstInput;
// EX-IOExpander protocol flags // EX-IOExpander protocol flags
enum { enum {
EXIOINIT = 0xE0, // Flag to initialise setup procedure EXIOINIT = 0xE0, // Flag to initialise setup procedure