INOVER=NORMAL, IRQOVER=NORMAL, OEOVER=NORMAL, OUTOVER=NORMAL
GPIO control including function select and overrides.
FUNCSEL | 0-31 -> selects pin function according to the gpio table 31 == NULL 1 (spi0_ss_n): undefined 2 (uart0_rx): undefined 3 (i2c0_scl): undefined 4 (pwm_b_0): undefined 5 (sio_17): undefined 6 (pio0_17): undefined 7 (pio1_17): undefined 9 (usb_muxing_vbus_en): undefined 31 (null): undefined |
OUTOVER | 0 (NORMAL): drive output from peripheral signal selected by funcsel 1 (INVERT): drive output from inverse of peripheral signal selected by funcsel 2 (LOW): drive output low 3 (HIGH): drive output high |
OEOVER | 0 (NORMAL): drive output enable from peripheral signal selected by funcsel 1 (INVERT): drive output enable from inverse of peripheral signal selected by funcsel 2 (DISABLE): disable output 3 (ENABLE): enable output |
INOVER | 0 (NORMAL): don’t invert the peri input 1 (INVERT): invert the peri input 2 (LOW): drive peri input low 3 (HIGH): drive peri input high |
IRQOVER | 0 (NORMAL): don’t invert the interrupt 1 (INVERT): invert the interrupt 2 (LOW): drive interrupt low 3 (HIGH): drive interrupt high |