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fix(spi_master): fixed lcd example block border pixel issue

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This commit is contained in:
wanlei 2023-12-14 12:18:10 +08:00
parent 3f117c79d9
commit aa264cab8f
1 changed files with 14 additions and 14 deletions
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28
examples/peripherals/spi_master/lcd/main/spi_master_example_main.c
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@ -338,20 +338,20 @@ static void send_lines(spi_device_handle_t spi, int ypos, uint16_t *linedata)
}
trans[x].flags=SPI_TRANS_USE_TXDATA;
}
trans[0].tx_data[0]=0x2A; //Column Address Set
trans[1].tx_data[0]=0; //Start Col High
trans[1].tx_data[1]=0; //Start Col Low
trans[1].tx_data[2]=(320)>>8; //End Col High
trans[1].tx_data[3]=(320)&0xff; //End Col Low
trans[2].tx_data[0]=0x2B; //Page address set
trans[3].tx_data[0]=ypos>>8; //Start page high
trans[3].tx_data[1]=ypos&0xff; //start page low
trans[3].tx_data[2]=(ypos+PARALLEL_LINES)>>8; //end page high
trans[3].tx_data[3]=(ypos+PARALLEL_LINES)&0xff; //end page low
trans[4].tx_data[0]=0x2C; //memory write
trans[5].tx_buffer=linedata; //finally send the line data
trans[5].length=320*2*8*PARALLEL_LINES; //Data length, in bits
trans[5].flags=0; //undo SPI_TRANS_USE_TXDATA flag
trans[0].tx_data[0] = 0x2A; //Column Address Set
trans[1].tx_data[0] = 0; //Start Col High
trans[1].tx_data[1] = 0; //Start Col Low
trans[1].tx_data[2] = (320 - 1) >> 8; //End Col High
trans[1].tx_data[3] = (320 - 1) & 0xff; //End Col Low
trans[2].tx_data[0] = 0x2B; //Page address set
trans[3].tx_data[0] = ypos >> 8; //Start page high
trans[3].tx_data[1] = ypos & 0xff; //start page low
trans[3].tx_data[2] = (ypos + PARALLEL_LINES - 1) >> 8; //end page high
trans[3].tx_data[3] = (ypos + PARALLEL_LINES - 1) & 0xff; //end page low
trans[4].tx_data[0] = 0x2C; //memory write
trans[5].tx_buffer = linedata; //finally send the line data
trans[5].length = 320 * 2 * 8 * PARALLEL_LINES; //Data length, in bits
trans[5].flags = 0; //undo SPI_TRANS_USE_TXDATA flag
//Queue all transactions.
for (x=0; x<6; x++) {