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This commit is contained in:
LordGrey
2024-05-26 16:15:03 +02:00
parent 49b44089e7
commit 6f3f721c26
6 changed files with 123 additions and 68 deletions
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24
libsrc/leddevice/dev_ftdi/LedDeviceSk6812_ftdi.cpp
View File

@@ -2,6 +2,7 @@
LedDeviceSk6812_ftdi::LedDeviceSk6812_ftdi(const QJsonObject &deviceConfig)
: ProviderFtdi(deviceConfig),
_whiteAlgorithm(RGBW::WhiteAlgorithm::INVALID),
SPI_BYTES_PER_COLOUR(4),
bitpair_to_byte{
0b10001000,
@@ -25,21 +26,30 @@ bool LedDeviceSk6812_ftdi::init(const QJsonObject &deviceConfig)
if (ProviderFtdi::init(deviceConfig))
{
_brightnessControlMaxLevel = deviceConfig["brightnessControlMaxLevel"].toInt(255);
Info(_log, "[%s] Setting maximum brightness to [%d]", QSTRING_CSTR(_activeDeviceType), _brightnessControlMaxLevel);
Info(_log, "[%s] Setting maximum brightness to [%d]", QSTRING_CSTR(_activeDeviceType), _brightnessControlMaxLevel);
QString whiteAlgorithm = deviceConfig["whiteAlgorithm"].toString("white_off");
QString whiteAlgorithm = deviceConfig["whiteAlgorithm"].toString("white_off");
_whiteAlgorithm = RGBW::stringToWhiteAlgorithm(whiteAlgorithm);
if (_whiteAlgorithm == RGBW::WhiteAlgorithm::INVALID)
{
QString errortext = QString ("unknown whiteAlgorithm: %1").arg(whiteAlgorithm);
this->setInError(errortext);
isInitOK = false;
}
else
{
Debug(_log, "whiteAlgorithm : %s", QSTRING_CSTR(whiteAlgorithm));
Debug(_log, "whiteAlgorithm : %s", QSTRING_CSTR(whiteAlgorithm));
WarningIf((_baudRate_Hz < 2050000 || _baudRate_Hz > 3750000), _log, "Baud rate %d outside recommended range (2050000 -> 3750000)", _baudRate_Hz);
WarningIf((_baudRate_Hz < 2050000 || _baudRate_Hz > 3750000), _log, "Baud rate %d outside recommended range (2050000 -> 3750000)", _baudRate_Hz);
const int SPI_FRAME_END_LATCH_BYTES = 3;
_ledBuffer.resize(_ledRGBWCount * SPI_BYTES_PER_COLOUR + SPI_FRAME_END_LATCH_BYTES, 0x00);
const int SPI_FRAME_END_LATCH_BYTES = 3;
_ledBuffer.resize(_ledRGBWCount * SPI_BYTES_PER_COLOUR + SPI_FRAME_END_LATCH_BYTES, 0x00);
isInitOK = true;
isInitOK = true;
}
}
return isInitOK;
}

107
libsrc/leddevice/dev_ftdi/ProviderFtdi.cpp
View File

@@ -13,18 +13,18 @@
namespace Pin
{
// enumerate the AD bus for convenience.
enum bus_t
{
SK = 0x01, // ADBUS0, SPI data clock
DO = 0x02, // ADBUS1, SPI data out
CS = 0x08, // ADBUS3, SPI chip select, active low
};
// enumerate the AD bus for convenience.
enum bus_t
{
SK = 0x01, // ADBUS0, SPI data clock
DO = 0x02, // ADBUS1, SPI data out
CS = 0x08, // ADBUS3, SPI chip select, active low
};
}
const unsigned char pinInitialState = Pin::CS;
const uint8_t pinInitialState = Pin::CS;
// Use these pins as outputs
const unsigned char pinDirection = Pin::SK | Pin::DO | Pin::CS;
const uint8_t pinDirection = Pin::SK | Pin::DO | Pin::CS;
const QString ProviderFtdi::AUTO_SETTING = QString("auto");
@@ -56,43 +56,49 @@ int ProviderFtdi::open()
{
int rc = 0;
_ftdic = ftdi_new();
_ftdic = ftdi_new();
Debug(_log, "Opening FTDI device=%s", QSTRING_CSTR(_deviceName));
if (ftdi_init(_ftdic) < 0)
{
_ftdic = nullptr;
setInError("Could not initialize the ftdi library");
return -1;
}
FTDI_CHECK_RESULT((rc = ftdi_usb_open_string(_ftdic, QSTRING_CSTR(_deviceName))) < 0);
/* doing this disable resets things if they were in a bad state */
FTDI_CHECK_RESULT((rc = ftdi_disable_bitbang(_ftdic)) < 0);
FTDI_CHECK_RESULT((rc = ftdi_setflowctrl(_ftdic, SIO_DISABLE_FLOW_CTRL)) < 0);
FTDI_CHECK_RESULT((rc = ftdi_set_bitmode(_ftdic, 0x00, BITMODE_RESET)) < 0);
FTDI_CHECK_RESULT((rc = ftdi_set_bitmode(_ftdic, 0xff, BITMODE_MPSSE)) < 0);
Debug(_log, "Opening FTDI device=%s", QSTRING_CSTR(_deviceName));
FTDI_CHECK_RESULT((rc = ftdi_usb_open_string(_ftdic, QSTRING_CSTR(_deviceName))) < 0);
/* doing this disable resets things if they were in a bad state */
FTDI_CHECK_RESULT((rc = ftdi_disable_bitbang(_ftdic)) < 0);
FTDI_CHECK_RESULT((rc = ftdi_setflowctrl(_ftdic, SIO_DISABLE_FLOW_CTRL)) < 0);
FTDI_CHECK_RESULT((rc = ftdi_set_bitmode(_ftdic, 0x00, BITMODE_RESET)) < 0);
FTDI_CHECK_RESULT((rc = ftdi_set_bitmode(_ftdic, 0xff, BITMODE_MPSSE)) < 0);
double reference_clock = 60e6;
int divisor = (reference_clock / 2 / _baudRate_Hz) - 1;
std::vector<uint8_t> buf = {
DIS_DIV_5,
TCK_DIVISOR,
static_cast<unsigned char>(divisor),
static_cast<unsigned char>(divisor >> 8),
SET_BITS_LOW, // opcode: set low bits (ADBUS[0-7]
pinInitialState, // argument: inital pin state
pinDirection
};
double reference_clock = 60e6;
int divisor = (reference_clock / 2 / _baudRate_Hz) - 1;
std::vector<uint8_t> buf = {
DIS_DIV_5,
TCK_DIVISOR,
static_cast<unsigned char>(divisor),
static_cast<unsigned char>(divisor >> 8),
SET_BITS_LOW, // opcode: set low bits (ADBUS[0-7]
pinInitialState, // argument: inital pin state
pinDirection
};
FTDI_CHECK_RESULT((rc = ftdi_write_data(_ftdic, buf.data(), buf.size())) != buf.size());
FTDI_CHECK_RESULT((rc = ftdi_write_data(_ftdic, buf.data(), buf.size())) != buf.size());
_isDeviceReady = true;
return rc;
_isDeviceReady = true;
return rc;
}
int ProviderFtdi::close()
{
if (_ftdic != nullptr) {
Debug(_log, "Closing FTDI device");
// Delay to give time to push color black from writeBlack() into the led,
// otherwise frame transmission will be terminated half way through
wait(30);
// Delay to give time to push color black from writeBlack() into the led,
// otherwise frame transmission will be terminated half way through
wait(30);
ftdi_set_bitmode(_ftdic, 0x00, BITMODE_RESET);
ftdi_usb_close(_ftdic);
ftdi_free(_ftdic);
@@ -110,25 +116,24 @@ void ProviderFtdi::setInError(const QString &errorMsg, bool isRecoverable)
int ProviderFtdi::writeBytes(const qint64 size, const uint8_t *data)
{
int rc;
int count_arg = size - 1;
int rc;
int count_arg = size - 1;
std::vector<uint8_t> buf = {
SET_BITS_LOW,
pinInitialState & ~Pin::CS,
pinDirection,
MPSSE_DO_WRITE | MPSSE_WRITE_NEG,
static_cast<unsigned char>(count_arg),
static_cast<unsigned char>(count_arg >> 8),
// LED's data will be inserted here
SET_BITS_LOW,
pinInitialState | Pin::CS,
pinDirection
};
// insert before last SET_BITS_LOW command
// SET_BITS_LOW takes 2 arguments, so we're inserting data in -3 position from the end
buf.insert(buf.end() - 3, &data[0], &data[size]);
SET_BITS_LOW,
pinInitialState & ~Pin::CS,
pinDirection,
MPSSE_DO_WRITE | MPSSE_WRITE_NEG,
static_cast<unsigned char>(count_arg),
static_cast<unsigned char>(count_arg >> 8),
SET_BITS_LOW,
pinInitialState | Pin::CS,
pinDirection
};
// insert before last SET_BITS_LOW command
// SET_BITS_LOW takes 2 arguments, so we're inserting data in -3 position from the end
buf.insert(buf.end() - 3, &data[0], &data[size]);
FTDI_CHECK_RESULT((rc = ftdi_write_data(_ftdic, buf.data(), buf.size())) != buf.size());
FTDI_CHECK_RESULT((rc = ftdi_write_data(_ftdic, buf.data(), buf.size())) != buf.size());
return rc;
}