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/*
* Copyright © 2011 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; version 2 of the License.
*
* 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "ao.h"
#include <ao_exti.h>
#include <ao_boot.h>
#include <ao_flash_stm.h>
void
ao_panic(uint8_t reason)
{
for (;;);
}
void
ao_application(void)
{
ao_boot_reboot(AO_BOOT_APPLICATION_BASE);
}
static uint32_t
ao_cmd_hex32(void)
{
__pdata uint8_t r = ao_cmd_lex_error;
int8_t n;
uint32_t v = 0;
ao_cmd_white();
for(;;) {
n = ao_cmd_hexchar(ao_cmd_lex_c);
if (n < 0)
break;
v = (v << 4) | n;
r = ao_cmd_success;
ao_cmd_lex();
}
if (r != ao_cmd_success)
ao_cmd_status = r;
return v;
}
void
ao_block_erase(void)
{
uint32_t addr = ao_cmd_hex32();
uint32_t *p = (uint32_t *) addr;
ao_flash_erase_page(p);
}
void
ao_block_write(void)
{
uint32_t addr = ao_cmd_hex32();
uint32_t *p = (uint32_t *) addr;
union {
uint8_t data8[256];
uint32_t data32[64];
} u;
uint16_t i;
if (addr < 0x08002000 || 0x08200000 <= addr) {
puts("Invalid address");
return;
}
for (i = 0; i < 256; i++)
u.data8[i] = i;
ao_flash_page(p, u.data32);
}
static void
puthex(uint8_t c)
{
c &= 0xf;
if (c < 10)
c += '0';
else
c += 'a' - 10;
putchar (c);
}
void
ao_block_read(void)
{
uint32_t addr = ao_cmd_hex32();
uint8_t *p = (uint8_t *) addr;
uint16_t i;
uint8_t c;
for (i = 0; i < 256; i++) {
c = *p++;
puthex(c);
puthex(c>>4);
if ((i & 0xf) == 0xf)
putchar('\n');
}
}
__code struct ao_cmds ao_flash_cmds[] = {
{ ao_application, "a\0Switch to application" },
{ ao_block_erase, "e <addr>\0Erase block." },
{ ao_block_write, "W <addr>\0Write block. 256 binary bytes follow newline" },
{ ao_block_read, "R <addr>\0Read block. Returns 256 bytes" },
{ 0, NULL },
};
int
main(void)
{
ao_clock_init();
ao_task_init();
ao_timer_init();
// ao_dma_init();
ao_cmd_init();
// ao_exti_init();
ao_usb_init();
ao_cmd_register(&ao_flash_cmds[0]);
ao_cmd_register(&ao_flash_cmds[0]);
ao_start_scheduler();
return 0;
}
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