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Merge pull request #327 from DCC-EX:auto-disable-default-i2c

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Added disable logic
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peteGSX 2023-04-06 07:09:32 +10:00 committed by GitHub
commit 86cb8f4666
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2 changed files with 24 additions and 7 deletions
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28
IODevice.cpp
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@ -63,15 +63,31 @@ void IODevice::begin() {
if (exrailHalSetup)
exrailHalSetup();
// Predefine two PCA9685 modules 0x40-0x41
// Predefine two PCA9685 modules 0x40-0x41 if no conflicts
// Allocates 32 pins 100-131
PCA9685::create(100, 16, 0x40);
PCA9685::create(116, 16, 0x41);
if (checkNoOverlap(100, 16, 0x40)) {
PCA9685::create(100, 16, 0x40);
} else {
DIAG(F("Default PCA9685 at I2C 0x40 disabled due to configured user device"));
}
if (checkNoOverlap(116, 16, 0x41)) {
PCA9685::create(116, 16, 0x41);
} else {
DIAG(F("Default PCA9685 at I2C 0x41 disabled due to configured user device"));
}
// Predefine two MCP23017 module 0x20/0x21
// Predefine two MCP23017 module 0x20/0x21 if no conflicts
// Allocates 32 pins 164-195
MCP23017::create(164, 16, 0x20);
MCP23017::create(180, 16, 0x21);
if (checkNoOverlap(164, 16, 0x20)) {
MCP23017::create(164, 16, 0x20);
} else {
DIAG(F("Default MCP23017 at I2C 0x20 disabled due to configured user device"));
}
if (checkNoOverlap(180, 16, 0x21)) {
MCP23017::create(180, 16, 0x21);
} else {
DIAG(F("Default MCP23017 at I2C 0x21 disabled due to configured user device"));
}
}
// reset() function to reinitialise all devices

3
version.h
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@ -4,7 +4,8 @@
#include "StringFormatter.h"
#define VERSION "4.2.39"
#define VERSION "4.2.40"
// 4.2.40 - Automatically detect conflicting default I2C devices and disable
// 4.2.39 - DFplayer driver now polls device to detect failures and errors.
// 4.2.38 - Clean up compiler warning when IO_RotaryEncoder.h included
// 4.2.37 - Add new FLAGS HAL device for communications to/from EX-RAIL;