Android Camera Service and HAL Interaction Flow
CameraService Architecture (libcameraservice.so)
1. CameraService Implementation
class CameraService :
public BinderService<CameraService>,
public virtual ::android::hardware::BnCameraService,
public virtual IBinder::DeathRecipient,
public camera_module_callbacks_t,
public virtual CameraProviderManager::StatusListener ...
Posted on Mon, 06 Jul 2026 16:34:18 +0000 by KingWylim
Multi-Channel ADC Data Acquisition Using DMA on STM32
Configure the ADC to sample across 5 channels and enable DMA in circular mode.
Buffer Definition and Initialization
#define CHANNEL_COUNT 5
#define SAMPLES_PER_CHANNEL 100
static uint16_t raw_adc_buffer[CHAMPLES_PER_CHANNEL * CHANNEL_COUNT];
/**
* @brief Initialize ADC calibration and start DMA transfer
*/
void ADC_Startup(void)
{ ...
Posted on Tue, 23 Jun 2026 17:54:34 +0000 by Magestic