| 82 | } |
| 83 | |
| 84 | bool SPIBusManager::unregisterDevice(SPIBusHandle handle) FL_NOEXCEPT { |
| 85 | if (!handle.is_valid || handle.bus_id >= mNumBuses) { |
| 86 | return false; |
| 87 | } |
| 88 | |
| 89 | SPIBusInfo& bus = mBuses[handle.bus_id]; |
| 90 | if (handle.lane_id >= 16) { |
| 91 | return false; |
| 92 | } |
| 93 | |
| 94 | SPIDeviceInfo& device = bus.devices[handle.lane_id]; |
| 95 | if (!device.is_allocated) { |
| 96 | return false; // Already deallocated |
| 97 | } |
| 98 | |
| 99 | // Mark device as deallocated |
| 100 | device.is_allocated = false; |
| 101 | device.is_enabled = false; |
| 102 | device.controller = nullptr; |
| 103 | |
| 104 | // Count remaining allocated devices |
| 105 | u8 allocated_count = 0; |
| 106 | for (u8 i = 0; i < bus.num_devices; i++) { |
| 107 | if (bus.devices[i].is_allocated) { |
| 108 | allocated_count++; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | // If no devices remain, release Quad-SPI hardware |
| 113 | if (allocated_count == 0) { |
| 114 | releaseBusHardware(bus); |
| 115 | } |
| 116 | |
| 117 | return true; |
| 118 | } |
| 119 | |
| 120 | bool SPIBusManager::initialize() FL_NOEXCEPT { |
| 121 | bool all_ok = true; |
no outgoing calls
no test coverage detected