About DXinp.1

DXinp.1 · 2022-11-29

This is my test program：uint8_t dev_test=0x00;while(1){HAL_GPIO_WritePin(DW_NSS_GPIO_Port, DW_NSS_Pin, GPIO_PIN_RESET);HAL_SPI_Transmit(&hspi1,&dev_test,1,10);HAL_SPI_Receive(&hspi1,test_R,4,10);HAL_GPIO_WritePin(DW_NSS_GPIO_Port, DW_NSS_Pin, GPIO_PI...

DXinp.1 · 2022-01-05

G071 is different from F429. When F4 is idle, MOSI is high level and MISO is low level. However, when G0 is idle, MOSI and MISO are both low level, which seem to be incompatible with my external device

DXinp.1 · 2022-01-05

The external device is DW1000 positioning module. F429 was used before, but now it is transplanted to G071, and there is a difference in SPI function. It is not clear whether the difference is caused by chip or program.

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When STM32G070RB SPI is received, both MOSI and MISO have returned data. The data is the same through the logic analyzer.

MISO and MOSI are at low levels when the STM32G071RB SPI is idle, which is different from the SPI idle state of the STM32F429ZIT6U.

Re: MISO and MOSI are at low levels when the STM32G071RB SPI is idle, which is different from the SPI idle state of the STM32F429ZIT6U.