STM32 DAC Peripheral Comparison: F1 vs F4 Series and Advanced Usage Patterns
STM32 microcontrollers integrate a versatile Digital-to-Analog Converter (DAC) block whose capabilities evolve significantly across product lines. This article contrasts the DAC implementations found in the STM32F1 and STM32F4 families, then walks through practical firmware techniques that exploit the peripheral’s advanced modes.
STM32F1 DAC: E ...
Posted on Sat, 17 Oct 2026 16:14:18 +0000 by curt3006
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