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STM32 HAL_SPI_Transmit_IT display and definition questions

DAVID ?
Associate
Posted on December 09, 2016 at 07:28

Hello Everyone, I have some questions regarding 'HAL_SPI_Transmit_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size)', the definition of uint8_t *pData  and the how did I know  the uint16_t Size  to write with what?  I wnat to use the HAL_SPI_Transmit_IT to show on the LCM, but  Only can  display  from top to bottom, I want to know can I show the data on the  LCM with Specify Block, like(20(X1),10(Y1),30(X2),50(Y2)).

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