Ken Van Hoeylandt e6abd496f9
Various improvements (#461)
* **New Features**
  * Time and delay utilities added (ticks, ms, µs); SD card now uses an expansion-header CS pin; HTTP downloads warn when run on the GUI task and yield to avoid blocking.

* **Bug Fixes / Reliability**
  * Many hard-crash paths converted to guarded checks to reduce abrupt termination and improve stability.

* **Tests**
  * Unit tests added to validate time and delay accuracy.

* **Chores**
  * License header and build/macro updates.
2026-01-27 08:04:21 +01:00

97 lines
2.8 KiB
C++

#include "Drv2605.h"
#include <Tactility/Check.h>
#include <Tactility/Logger.h>
static const auto LOGGER = tt::Logger("DRV2605");
Drv2605::Drv2605(i2c_port_t port, bool autoPlayStartupBuzz) : I2cDevice(port, ADDRESS), autoPlayStartupBuzz(autoPlayStartupBuzz) {
check(init(), "Initialize DRV2605");
if (autoPlayStartupBuzz) {
setWaveFormForBuzz();
startPlayback();
}
}
bool Drv2605::init() {
uint8_t status;
if (!readRegister8(static_cast<uint8_t>(Register::Status), status)) {
LOGGER.error("Failed to read status");
return false;
}
status >>= 5;
ChipId chip_id = static_cast<ChipId>(status);
if (chip_id != ChipId::DRV2604 && chip_id != ChipId::DRV2604L && chip_id != ChipId::DRV2605 && chip_id != ChipId::DRV2605L) {
LOGGER.error("Unknown chip id {:02x}", static_cast<uint8_t>(chip_id));
return false;
}
writeRegister(Register::Mode, 0x00); // Get out of standby
writeRegister(Register::RealtimePlaybackInput, 0x00); // Disable
setWaveFormForClick();
// ERM open loop
uint8_t feedback;
if (!readRegister(Register::Feedback, feedback)) {
LOGGER.error("Failed to read feedback");
return false;
}
writeRegister(Register::Feedback, feedback & 0x7F); // N_ERM_LRA off
bitOnByIndex(static_cast<uint8_t>(Register::Control3), 5); // ERM_OPEN_LOOP on
return true;
}
void Drv2605::setWaveFormForBuzz() {
writeRegister(Register::WaveSequence1, 1); // Strong click
writeRegister(Register::WaveSequence2, 1); // Strong click
writeRegister(Register::WaveSequence3, 1); // Strong click
writeRegister(Register::WaveSequence4, 0); // End sequence
writeRegister(Register::OverdriveTimeOffset, 0); // No overdrive
writeRegister(Register::SustainTimeOffsetPostivie, 0);
writeRegister(Register::SustainTimeOffsetNegative, 0);
writeRegister(Register::BrakeTimeOffset, 0);
writeRegister(Register::AudioInputLevelMax, 0x64);
}
void Drv2605::setWaveFormForClick() {
writeRegister(Register::WaveSequence1, 1); // Strong click
writeRegister(Register::WaveSequence2, 0); // End sequence
writeRegister(Register::OverdriveTimeOffset, 0); // No overdrive
writeRegister(Register::SustainTimeOffsetPostivie, 0);
writeRegister(Register::SustainTimeOffsetNegative, 0);
writeRegister(Register::BrakeTimeOffset, 0);
writeRegister(Register::AudioInputLevelMax, 0x64);
}
void Drv2605::setWaveForm(uint8_t slot, uint8_t waveform) {
writeRegister8(static_cast<uint8_t>(Register::WaveSequence1) + slot, waveform);
}
void Drv2605::selectLibrary(uint8_t library) {
writeRegister(Register::WaveLibrarySelect, library);
}
void Drv2605::startPlayback() {
writeRegister(Register::Go, 0x01);
}
void Drv2605::stopPlayback() {
writeRegister(Register::Go, 0x00);
}