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.
21 #include "ao-editaltos.h"
23 struct ao_sym ao_symbols[] = {
24 [AO_ROMCONFIG_VERSION_INDEX] = {
25 .name = "ao_romconfig_version",
28 [AO_ROMCONFIG_CHECK_INDEX] = {
29 .name = "ao_romconfig_check",
32 [AO_SERIAL_NUMBER_INDEX] = {
33 .name = "ao_serial_number",
36 [AO_RADIO_CAL_INDEX] = {
37 .name = "ao_radio_cal",
40 [AO_USB_DESCRIPTORS_INDEX] = {
41 .name = "ao_usb_descriptors",
48 int ao_num_symbols = NUM_SYMBOLS;
51 * Edit the to-be-written memory block
54 rewrite(struct ao_hex_image *load, unsigned address, uint8_t *data, int length)
56 if (address < load->address || load->address + load->length < address + length)
59 memcpy(load->data + address - load->address, data, length);
64 * Find the symbols needed to correctly load the program
68 ao_editaltos_find_symbols(struct ao_sym *file_symbols, int num_file_symbols,
69 struct ao_sym *symbols, int num_symbols)
73 for (f = 0; f < num_file_symbols; f++) {
74 for (s = 0; s < num_symbols; s++) {
75 if (strcmp(symbols[s].name, file_symbols[f].name) == 0) {
76 symbols[s].addr = file_symbols[f].addr;
77 symbols[s].found = true;
81 for (s = 0; s < num_symbols; s++)
82 if (!symbols[s].found && symbols[s].required)
88 ao_editaltos(struct ao_hex_image *image,
94 uint8_t serial_int[2];
100 /* Write the config values into the flash image
103 serial_int[0] = serial & 0xff;
104 serial_int[1] = (serial >> 8) & 0xff;
106 if (!rewrite(image, AO_SERIAL_NUMBER, serial_int, sizeof (serial_int))) {
107 fprintf(stderr, "Cannot rewrite serial integer at %08x\n",
112 if (AO_USB_DESCRIPTORS) {
113 uint32_t usb_descriptors = AO_USB_DESCRIPTORS - image->address;
116 while (image->data[usb_descriptors] != 0 && usb_descriptors < image->length) {
117 if (image->data[usb_descriptors+1] == AO_USB_DESC_STRING) {
122 usb_descriptors += image->data[usb_descriptors];
124 if (usb_descriptors >= image->length || image->data[usb_descriptors] == 0 ) {
125 fprintf(stderr, "Cannot rewrite serial string at %08x\n", AO_USB_DESCRIPTORS);
129 serial_ucs2_len = image->data[usb_descriptors] - 2;
130 serial_ucs2 = malloc(serial_ucs2_len);
132 fprintf(stderr, "Malloc(%d) failed\n", serial_ucs2_len);
136 for (i = serial_ucs2_len / 2; i; i--) {
137 serial_ucs2[i * 2 - 1] = 0;
138 serial_ucs2[i * 2 - 2] = (s % 10) + '0';
141 if (!rewrite(image, usb_descriptors + 2 + image->address, serial_ucs2, serial_ucs2_len)) {
142 fprintf (stderr, "Cannot rewrite USB descriptor at %08x\n", AO_USB_DESCRIPTORS);
147 if (cal && AO_RADIO_CAL) {
148 cal_int[0] = cal & 0xff;
149 cal_int[1] = (cal >> 8) & 0xff;
150 cal_int[2] = (cal >> 16) & 0xff;
151 cal_int[3] = (cal >> 24) & 0xff;
153 if (!rewrite(image, AO_RADIO_CAL, cal_int, sizeof (cal_int))) {
154 fprintf(stderr, "Cannot rewrite radio calibration at %08x\n", AO_RADIO_CAL);
162 read_le16(uint8_t *src)
164 return (uint16_t) src[0] | ((uint16_t) src[1] << 8);
168 ao_heximage_usb_id(struct ao_hex_image *image, struct ao_usb_id *id)
170 uint32_t usb_descriptors;
172 if (!AO_USB_DESCRIPTORS)
174 usb_descriptors = AO_USB_DESCRIPTORS - image->address;
176 while (image->data[usb_descriptors] != 0 && usb_descriptors < image->length) {
177 if (image->data[usb_descriptors+1] == AO_USB_DESC_DEVICE) {
180 usb_descriptors += image->data[usb_descriptors];
184 * check to make sure there's at least 0x12 (size of a USB
185 * device descriptor) available
187 if (usb_descriptors >= image->length || image->data[usb_descriptors] != 0x12)
190 id->vid = read_le16(image->data + usb_descriptors + 8);
191 id->pid = read_le16(image->data + usb_descriptors + 10);
197 ao_heximage_usb_product(struct ao_hex_image *image)
199 uint32_t usb_descriptors;
204 if (!AO_USB_DESCRIPTORS)
206 usb_descriptors = AO_USB_DESCRIPTORS - image->address;
209 while (image->data[usb_descriptors] != 0 && usb_descriptors < image->length) {
210 if (image->data[usb_descriptors+1] == AO_USB_DESC_STRING) {
215 usb_descriptors += image->data[usb_descriptors];
219 * check to make sure there's at least 0x12 (size of a USB
220 * device descriptor) available
222 if (usb_descriptors >= image->length || image->data[usb_descriptors] == 0)
225 product_len = image->data[usb_descriptors] - 2;
227 if (usb_descriptors < product_len + 2)
230 product = malloc (product_len + 2);
234 memcpy(product, image->data + usb_descriptors + 2, product_len);
235 product[product_len/2] = 0;