foboot/sw/src/spi-gpio.c
Sean Cross a3298226e5 sw: getting dfu working about to add debug bridge
We're having issues getteing DFU working.  It almost works, but has some
issues.  Unfortunately, we're out of space for printf.

Now we will work to get the UART Wishbone bridge working, to move
forward on debugging support.

Signed-off-by: Sean Cross <sean@xobs.io>
2019-03-26 09:39:55 +08:00

27 lines
598 B
C

#include <stdio.h>
#include <generated/csr.h>
#include "spi-gpio.h"
// static uint8_t do_mirror;
// static uint8_t oe_mirror;
// void gpioSetMode(int pin, int mode) {
// if (mode)
// oe_mirror |= 1 << pin;
// else
// oe_mirror &= ~(1 << pin);
// picospi_oe_write(oe_mirror);
// }
// void gpioWrite(int pin, int val) {
// if (val)
// do_mirror |= 1 << pin;
// else
// do_mirror &= ~(1 << pin);
// picospi_do_write(do_mirror);
// }
// int gpioRead(int pin) {
// return !!(picospi_di_read() & (1 << pin));
// }