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Its working!!

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This commit is contained in:
Asbelos 2024-09-06 08:08:18 +01:00
parent 235f3c82b5
commit 03d8d5f93d
1 changed files with 24 additions and 21 deletions
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45
IO_NeoPixel.h
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@ -153,12 +153,15 @@ private:
_nPins=nPins;
_I2CAddress = i2cAddress;
_brightness=2; // TODO 0,1,2,3
_redOffset=mode >> 4 & 0x03;
_greenOffset=mode >> 2 & 0x03;
_blueOffset=mode & 0x03;
if ((mode >>6 & 0x03) == _redOffset) _bytesPerPixel=3;
_redOffset=4+(mode >> 4 & 0x03);
_greenOffset=4+(mode >> 2 & 0x03);
_blueOffset=4+(mode & 0x03);
if (4+(mode >>6 & 0x03) == _redOffset) _bytesPerPixel=3;
else _bytesPerPixel=4; // string has a white byte.
_kHz800=(mode & NEO_KHZ400)==0;
_showPendimg=false;
// In dccex there are only 2 bytes per pixel
pixelBuffer=(uint16_t *) calloc(_nPins,sizeof(uint16_t)); // all pixels off
addDevice(this);
}
@ -183,12 +186,18 @@ private:
const byte pinbuffer[] = {SEESAW_NEOPIXEL_BASE, SEESAW_NEOPIXEL_PIN,SEESAW_PIN15};
I2CManager.write(_I2CAddress, pinbuffer, sizeof(pinbuffer));
// but in dccex there are only 2 bytes per pixel
pixelBuffer=(uint16_t *) calloc(_nPins,sizeof(uint16_t)); // all pixels off
for (auto pin=0;pin<_nPins;pin++) transmit(pin);
_display();
}
// loop called by HAL supervisor
void _loop(unsigned long currentMicros) override {
if (!_showPendimg) return;
byte showBuffer[]={SEESAW_NEOPIXEL_BASE,SEESAW_NEOPIXEL_SHOW};
I2CManager.write(_I2CAddress,showBuffer,sizeof(showBuffer));
_showPendimg=false;
}
// read back pixel colour (rarely needed I suspect)
int _readAnalogue(VPIN vpin) override {
if (_deviceState == DEVSTATE_FAILED) return 0;
@ -222,12 +231,12 @@ private:
void _writeAnalogue(VPIN vpin, int colour, uint8_t ignore1, uint16_t ignore2) override {
(void) ignore1;
(void) ignore2;
auto newColour=(uint16_t)colour;
if (_deviceState == DEVSTATE_FAILED) return;
auto newColour=(uint16_t)colour;
auto pin=vpin-_firstVpin;
if (pixelBuffer[pin]==newColour) return;
pixelBuffer[pin]=newColour;
transmit(pin);
pixelBuffer[pin]=newColour;
transmit(pin);
}
// Display device information and status.
@ -248,10 +257,10 @@ private:
void transmit(uint16_t pin, bool show=true) {
byte buffer[8]={SEESAW_NEOPIXEL_BASE,SEESAW_NEOPIXEL_BUF,0x00,0x00,0x00,0x00,0x00};
byte buffer[]={SEESAW_NEOPIXEL_BASE,SEESAW_NEOPIXEL_BUF,0x00,0x00,0x00,0x00,0x00};
uint16_t offset= pin * _bytesPerPixel;
buffer[2]=(byte)(offset>>8);
buffer[3]=(byte)(offset &0xFF);
buffer[3]=(byte)(offset & 0xFF);
auto colour=pixelBuffer[pin];
if (colour & NEOPIXEL_ON_FLAG) {
buffer[_redOffset]=(colour>>11 & 0x1F) <<_brightness;
@ -261,14 +270,8 @@ private:
// Transmit pixel to driver
I2CManager.write(_I2CAddress,buffer,4 +_bytesPerPixel);
if (show) {
// Show, but only if after previous 300uS
while((micros() - lastShowTime) < 300L);
byte showBuffer[]={SEESAW_NEOPIXEL_BASE,SEESAW_NEOPIXEL_SHOW};
I2CManager.write(_I2CAddress,showBuffer,sizeof(showBuffer));
lastShowTime=micros();
}
_showPendimg=true;
}
uint16_t* pixelBuffer = nullptr;
byte _brightness;
@ -276,7 +279,7 @@ private:
byte _redOffset;
byte _greenOffset;
byte _blueOffset;
unsigned long lastShowTime=0;
bool _showPendimg;
bool _kHz800;
};