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)
33 ao_put_string(const char *s)
46 ao_boot_reboot(AO_BOOT_APPLICATION_BASE);
61 if ('0' <= n && n <= '9')
63 else if ('a' <= n && n <= 'f')
65 else if ('A' <= n && n <= 'F')
78 uint32_t addr = ao_get_hex32();
79 void *p = (void *) addr;
81 ao_flash_erase_page(p);
85 ao_block_valid_address(uint32_t addr)
87 if ((uint32_t) AO_BOOT_APPLICATION_BASE <= addr && addr <= (uint32_t) AO_BOOT_APPLICATION_BOUND - 256)
95 uint32_t addr = ao_get_hex32();
96 void *p = (void *) addr;
100 for (i = 0; i < 256; i++)
101 data[i] = ao_usb_getchar();
102 if (!ao_block_valid_address(addr))
104 ao_flash_page(p, (void *) data);
110 uint32_t addr = ao_get_hex32();
111 uint8_t *p = (uint8_t *) addr;
115 if (!ao_block_valid_address(addr)) {
116 for (i = 0; i < 256; i++)
117 ao_usb_putchar(0xff);
120 for (i = 0; i < 256; i++) {
130 c += 'a' - ('9' + 1);
131 ao_usb_putchar(c + '0');
135 ao_put_hex(uint32_t u)
138 for (i = 28; i >= 0; i -= 4)
139 hexchar((u >> i) & 0xf);
143 ao_show_version(void)
145 ao_put_string("altos-loader");
146 ao_put_string("\nmanufacturer "); ao_put_string(ao_manufacturer);
147 ao_put_string("\nproduct "); ao_put_string(ao_product);
148 ao_put_string("\nflash-range ");
149 ao_put_hex((uint32_t) AO_BOOT_APPLICATION_BASE);
151 ao_put_hex((uint32_t) AO_BOOT_APPLICATION_BOUND);
152 ao_put_string("\nsoftware-version "); ao_put_string(ao_version);
157 ao_flash_task(void) {
160 switch (ao_usb_getchar()) {
161 case 'v': ao_show_version(); break;
162 case 'a': ao_application(); break;
163 case 'X': ao_block_erase(); break;
164 case 'W': ao_block_write(); break;
165 case 'R': ao_block_read(); break;