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Update lcd.c

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Mod: Additional delay for copycat lcd module
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MichelsonChapman 2019-11-14 04:03:06 +08:00 committed by GitHub
parent 286c9a94d1
commit 28d9e40c2f
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software/sys_controller/spi_charlcd/lcd.c
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@ -67,6 +67,7 @@ void lcd_write(char *row1, char *row2)
IOWR_ALTERA_AVALON_PIO_DATA(PIO_0_BASE, sys_ctrl); IOWR_ALTERA_AVALON_PIO_DATA(PIO_0_BASE, sys_ctrl);
lcd_cmd(0x01,CLEARDELAY); // clear display lcd_cmd(0x01,CLEARDELAY); // clear display
usleep(400); // additional delay for copycat lcd module
// Set RS to enter data write mode // Set RS to enter data write mode
sys_ctrl |= LCD_RS; sys_ctrl |= LCD_RS;