// Each GPIO pin can be:
// a) a GPIO input/output
// b) peripheral function 1
// c) peripheral function 2
// d) peripheral function 3
// By default, all are GPIO Inputs
GpioCtrlRegs.GPAMUX1.all = 0x0000; // GPIO functionality GPIO0-GPIO15
GpioCtrlRegs.GPAMUX2.all = 0x0000; // GPIO functionality GPIO16-GPIO31
GpioCtrlRegs.GPBMUX1.all = 0x0000; // GPIO functionality GPIO32-GPIO39
GpioCtrlRegs.GPBMUX2.all = 0x0000; // GPIO functionality GPIO48-GPIO63
GpioCtrlRegs.GPCMUX1.all = 0x0000; // GPIO functionality GPIO64-GPIO79
GpioCtrlRegs.GPCMUX2.all = 0x0000; // GPIO functionality GPIO80-GPIO95
GpioCtrlRegs.GPADIR.all = 0x0000; // GPIO0-GPIO31 are inputs
GpioCtrlRegs.GPBDIR.all = 0x0000; // GPIO32-GPIO63 are inputs
GpioCtrlRegs.GPCDIR.all = 0x0000; // GPI064-GPIO95 are inputs
// Each input can have different qualification
// a) input synchronized to SYSCLKOUT
// b) input qualified by a sampling window
// c) input sent asynchronously (valid for peripheral inputs only)
GpioCtrlRegs.GPAQSEL1.all = 0x0000; // GPIO0-GPIO15 Synch to SYSCLKOUT
GpioCtrlRegs.GPAQSEL2.all = 0x0000; // GPIO16-GPIO31 Synch to SYSCLKOUT
GpioCtrlRegs.GPBQSEL1.all = 0x0000; // GPIO32-GPIO39 Synch to SYSCLKOUT
GpioCtrlRegs.GPBQSEL2.all = 0x0000; // GPIO48-GPIO63 Synch to SYSCLKOUT
// Pull-ups can be enabled or disabled.
GpioCtrlRegs.GPAPUD.all = 0x0000; // Pullup's enabled GPIO0-GPIO31
GpioCtrlRegs.GPBPUD.all = 0x0000; // Pullup's enabled GPIO32-GPIO63
GpioCtrlRegs.GPCPUD.all = 0x0000; // Pullup's enabled GPIO64-GPIO79