| 168 | } |
| 169 | |
| 170 | IChannelDriver::DriverState ChannelEngineUART::poll() FL_NOEXCEPT { |
| 171 | // If not initialized, we're ready (no hardware to poll) |
| 172 | if (!mInitialized) { |
| 173 | return DriverState::READY; |
| 174 | } |
| 175 | |
| 176 | // Poll UART peripheral state |
| 177 | bool busy = mPeripheral->isBusy(); |
| 178 | |
| 179 | if (!busy) { |
| 180 | // Current group completed - check if more groups need transmission |
| 181 | if (!mChipsetGroups.empty() && |
| 182 | mCurrentGroupIndex < mChipsetGroups.size() - 1) { |
| 183 | // More groups remaining - start next group |
| 184 | mCurrentGroupIndex++; |
| 185 | |
| 186 | bool is_last_group = |
| 187 | (mCurrentGroupIndex == mChipsetGroups.size() - 1); |
| 188 | |
| 189 | beginTransmission(fl::span<const ChannelDataPtr>( |
| 190 | mChipsetGroups[mCurrentGroupIndex].mChannels.data(), |
| 191 | mChipsetGroups[mCurrentGroupIndex].mChannels.size())); |
| 192 | |
| 193 | return is_last_group ? DriverState::DRAINING : DriverState::READY; |
| 194 | } |
| 195 | |
| 196 | // All groups completed - clear state and return READY |
| 197 | mTransmittingChannels.clear(); |
| 198 | mChipsetGroups.clear(); |
| 199 | mCurrentGroupIndex = 0; |
| 200 | return DriverState::READY; |
| 201 | } |
| 202 | |
| 203 | // Transmission in progress - return DRAINING |
| 204 | return DriverState::DRAINING; |
| 205 | } |
| 206 | |
| 207 | //============================================================================= |
| 208 | // Private Methods - LUT Cache |