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ZYubi
Associate II
since
2019-02-01
2023-06-14
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H750VBT6 BKPSRAM can't keep DATA
2019-03-11
/* Enable write access to Backup domain */ PWR->CR1 |= PWR_CR1_DBP; while((PWR->CR1 & PWR_CR1_DBP) == RESET) { } /*Enable BKPRAM clock*/ __HAL_RCC_BKPRAM_CLK_ENABLE(); *(__IO uint32_t*)(0x38800000+36) = 12345678;run to here, DATA 12345678 is writt...
How to get TEMPSENSOR voltage with ADC3 ?
2019-02-21
void ADC3_config(void){ AdcHandle.Instance = ADC3; if (HAL_ADC_DeInit(&AdcHandle) != HAL_OK) { /* ADC de-initialization Error */ //Error_Handler(); } AdcHandle.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; /* Synchronous clock mode,...
How to read and write 4K BKPSRAM?
2019-02-15
I can't the way in Demo samples.
STM32CUbeMX5.0.1 version can't work well on STM32H750VBT6
2019-02-01
Used to make source code for USB FS Virtual Com, the computer can't connect the device。Same way on STM32F407 chip, it is OK.Is there somebody can help me? Thanks!
Re: STM32F7 - using SPI (slave) with DMA to set a flag (I.E. no interrupts)
2020-02-18
struct { dma_rx[128]; dma_tx[128];} nochache __attribute__ ((aligned (256))); MPU->RBAR = ((uint32_t)&nocache) | MPU_RBAR_VALID_Msk; // using region slot 0 MPU->RASR = MPU_RASR_XN_Msk | // 1: Instruction fetches disabled (3u << MPU_...
Re: STM32F7 - using SPI (slave) with DMA to set a flag (I.E. no interrupts)
2020-02-18
If change the size of dma_rx & tx to 128, How do it?
Re: I can not use backup RAM for STM32H743BI. Is there any application note or source code for backup RAM.
2019-03-11
/* Enable write access to Backup domain */ PWR->CR1 |= PWR_CR1_DBP; while((PWR->CR1 & PWR_CR1_DBP) == RESET) { } /*Enable BKPRAM clock*/ __HAL_RCC_BKPRAM_CLK_ENABLE(); *(__IO uint32_t*)(0x38800000+36) = 12345678;12345678 can be written in BACKUP RA...
Re: I can not use backup RAM for STM32H743BI. Is there any application note or source code for backup RAM.
2019-03-11
I met a problem,The Backup SRAM can read and write,but can't keep DATA when reset the MCU.
Re: H750VBT6 BKPSRAM can't keep DATA
2019-03-11
VBAT is OK. I used the ADC3 to measure the voltage of VBAT, the value is about 3V.
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