2 * Copyright © 2013 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
23 #include <ao_flash_task.h>
26 ao_panic(uint8_t reason)
32 ao_put_string(__code char *s)
45 ao_boot_reboot(AO_BOOT_APPLICATION_BASE);
60 if ('0' <= n && n <= '9')
62 else if ('a' <= n && n <= 'f')
64 else if ('A' <= n && n <= 'F')
77 uint32_t addr = ao_get_hex32();
78 void *p = (void *) addr;
80 ao_flash_erase_page(p);
84 ao_block_valid_address(uint32_t addr)
86 if ((uint32_t) AO_BOOT_APPLICATION_BASE <= addr && addr <= (uint32_t) AO_BOOT_APPLICATION_BOUND - 256)
94 uint32_t addr = ao_get_hex32();
95 void *p = (void *) addr;
99 for (i = 0; i < 256; i++)
100 data[i] = ao_usb_getchar();
101 if (!ao_block_valid_address(addr))
103 ao_flash_page(p, (void *) data);
109 uint32_t addr = ao_get_hex32();
110 uint8_t *p = (uint8_t *) addr;
114 if (!ao_block_valid_address(addr)) {
115 for (i = 0; i < 256; i++)
116 ao_usb_putchar(0xff);
119 for (i = 0; i < 256; i++) {
129 c += 'a' - ('9' + 1);
130 ao_usb_putchar(c + '0');
134 ao_put_hex(uint32_t u)
137 for (i = 28; i >= 0; i -= 4)
138 hexchar((u >> i) & 0xf);
142 ao_show_version(void)
144 ao_put_string("altos-loader");
145 ao_put_string("\nmanufacturer "); ao_put_string(ao_manufacturer);
146 ao_put_string("\nproduct "); ao_put_string(ao_product);
147 ao_put_string("\nflash-range ");
148 ao_put_hex((uint32_t) AO_BOOT_APPLICATION_BASE);
150 ao_put_hex((uint32_t) AO_BOOT_APPLICATION_BOUND);
151 ao_put_string("\nsoftware-version "); ao_put_string(ao_version);
156 ao_flash_task(void) {
159 switch (ao_usb_getchar()) {
160 case 'v': ao_show_version(); break;
161 case 'a': ao_application(); break;
162 case 'X': ao_block_erase(); break;
163 case 'W': ao_block_write(); break;
164 case 'R': ao_block_read(); break;