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/*
* Copyright © 2018 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <ao.h>
#include <ao_usb.h>
#include <ao_flash_readout.h>
#ifndef AO_FLASH_READOUT_BASE
#define AO_FLASH_READOUT_BASE AO_BOOT_LOADER_BASE
#define AO_FLASH_READOUT_BOUND AO_BOOT_APPLICATION_BOUND
#endif
static void
ao_flash_readout(void)
{
uint8_t *base = (uint8_t *) AO_FLASH_READOUT_BASE;
uint8_t *bound = (uint8_t *) AO_FLASH_READOUT_BOUND;
uint8_t *p = base;
for (;;) {
ao_arch_block_interrupts();
while (!ao_usb_running) {
p = base;
ao_sleep(&ao_usb_running);
}
ao_arch_release_interrupts();
ao_flash_readout_putchar(*p++);
if (p == bound)
p = base;
}
}
static struct ao_task ao_flash_readout_task;
void
ao_flash_readout_init(void)
{
ao_add_task(&ao_flash_readout_task, ao_flash_readout, "flash_readout");
}
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