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Basic PWM working

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This commit is contained in:
peteGSX 2023-02-01 19:46:08 +10:00
parent 4e32c707b9
commit ec83a345dc
2 changed files with 17 additions and 6 deletions
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19
IO_EXIOExpander.h
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@ -66,10 +66,12 @@ private:
// Initialise EX-IOExander device // Initialise EX-IOExander device
I2CManager.begin(); I2CManager.begin();
if (I2CManager.exists(_i2cAddress)) { if (I2CManager.exists(_i2cAddress)) {
_command2Buffer[0] = EXIOINIT; _command4Buffer[0] = EXIOINIT;
_command2Buffer[1] = _nPins; _command4Buffer[1] = _nPins;
_command4Buffer[2] = _firstVpin & 0xFF;
_command4Buffer[3] = _firstVpin >> 8;
// Send config, if EXIOPINS returned, we're good, setup pin buffers, otherwise go offline // Send config, if EXIOPINS returned, we're good, setup pin buffers, otherwise go offline
I2CManager.read(_i2cAddress, _receive3Buffer, 3, _command2Buffer, 2); I2CManager.read(_i2cAddress, _receive3Buffer, 3, _command4Buffer, 4);
if (_receive3Buffer[0] == EXIOPINS) { if (_receive3Buffer[0] == EXIOPINS) {
_numDigitalPins = _receive3Buffer[1]; _numDigitalPins = _receive3Buffer[1];
_numAnaloguePins = _receive3Buffer[2]; _numAnaloguePins = _receive3Buffer[2];
@ -170,7 +172,11 @@ private:
void _writeAnalogue(VPIN vpin, int value, uint8_t param1, uint16_t param2) override { void _writeAnalogue(VPIN vpin, int value, uint8_t param1, uint16_t param2) override {
int pin = vpin - _firstVpin; int pin = vpin - _firstVpin;
DIAG(F("Write %d to pin %d, param 1 %d, param 2 %d"), value, pin, param1, param2); _command4Buffer[0] = EXIOWRAN;
_command4Buffer[1] = pin;
_command4Buffer[2] = value & 0xFF;
_command4Buffer[3] = value >> 8;
I2CManager.write(_i2cAddress, _command4Buffer, 4);
} }
void _display() override { void _display() override {
@ -194,6 +200,7 @@ private:
uint8_t _analoguePinBytes = 0; uint8_t _analoguePinBytes = 0;
byte _command1Buffer[1]; byte _command1Buffer[1];
byte _command2Buffer[2]; byte _command2Buffer[2];
byte _command4Buffer[4];
byte _receive3Buffer[3]; byte _receive3Buffer[3];
uint8_t* _analoguePinMap; uint8_t* _analoguePinMap;
@ -205,9 +212,11 @@ private:
EXIORDAN = 0xE4, // Flag to read an analogue input EXIORDAN = 0xE4, // Flag to read an analogue input
EXIOWRD = 0xE5, // Flag for digital write EXIOWRD = 0xE5, // Flag for digital write
EXIORDD = 0xE6, // Flag to read digital input EXIORDD = 0xE6, // Flag to read digital input
EXIOENAN = 0xE7, // Flag eo enable an analogue pin EXIOENAN = 0xE7, // Flag to enable an analogue pin
EXIOINITA = 0xE8, // Flag we're receiving analogue pin mappings EXIOINITA = 0xE8, // Flag we're receiving analogue pin mappings
EXIOPINS = 0xE9, // Flag we're receiving pin counts for buffers EXIOPINS = 0xE9, // Flag we're receiving pin counts for buffers
EXIOWRAN = 0xEA, // Flag we're sending an analogue write (PWM)
EXIOERR = 0xEF, // Flag we've received an error
}; };
}; };

4
version.h
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@ -4,7 +4,9 @@
#include "StringFormatter.h" #include "StringFormatter.h"
#define VERSION "4.2.14" #define VERSION "4.2.15"
// 4.2.15 Separate Servo from PCA9685
// Add PWM support to EX-IOExpander
// 4.2.14 STM32F4xx fast ADC read implementation // 4.2.14 STM32F4xx fast ADC read implementation
// 4.2.13 Broadcast power for <s> again // 4.2.13 Broadcast power for <s> again
// 4.2.12 Bugfix for issue #299 TurnoutDescription NULL // 4.2.12 Bugfix for issue #299 TurnoutDescription NULL