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)
58 if (address < load->address || load->address + load->length < address + length)
61 memcpy(load->data + address - load->address, data, length);
66 * Find the symbols needed to correctly load the program
70 ao_editaltos_find_symbols(struct ao_sym *file_symbols, int num_file_symbols,
71 struct ao_sym *symbols, int num_symbols)
75 for (f = 0; f < num_file_symbols; f++) {
76 for (s = 0; s < num_symbols; s++) {
77 if (strcmp(symbols[s].name, file_symbols[f].name) == 0) {
78 symbols[s].addr = file_symbols[f].addr;
79 symbols[s].found = true;
83 for (s = 0; s < num_symbols; s++)
84 if (!symbols[s].found && symbols[s].required)
90 ao_editaltos(struct ao_hex_image *image,
96 uint8_t serial_int[2];
102 /* Write the config values into the flash image
105 serial_int[0] = serial & 0xff;
106 serial_int[1] = (serial >> 8) & 0xff;
108 if (!rewrite(image, AO_SERIAL_NUMBER, serial_int, sizeof (serial_int))) {
109 fprintf(stderr, "Cannot rewrite serial integer at %08x\n",
114 if (AO_USB_DESCRIPTORS) {
115 uint32_t usb_descriptors = AO_USB_DESCRIPTORS - image->address;
118 while (image->data[usb_descriptors] != 0 && usb_descriptors < image->length) {
119 if (image->data[usb_descriptors+1] == AO_USB_DESC_STRING) {
124 usb_descriptors += image->data[usb_descriptors];
126 if (usb_descriptors >= image->length || image->data[usb_descriptors] == 0 ) {
127 fprintf(stderr, "Cannot rewrite serial string at %08x\n", AO_USB_DESCRIPTORS);
131 serial_ucs2_len = image->data[usb_descriptors] - 2;
132 serial_ucs2 = malloc(serial_ucs2_len);
134 fprintf(stderr, "Malloc(%d) failed\n", serial_ucs2_len);
138 for (i = serial_ucs2_len / 2; i; i--) {
139 serial_ucs2[i * 2 - 1] = 0;
140 serial_ucs2[i * 2 - 2] = (s % 10) + '0';
143 if (!rewrite(image, usb_descriptors + 2 + image->address, serial_ucs2, serial_ucs2_len)) {
144 fprintf (stderr, "Cannot rewrite USB descriptor at %08x\n", AO_USB_DESCRIPTORS);
149 if (cal && AO_RADIO_CAL) {
150 cal_int[0] = cal & 0xff;
151 cal_int[1] = (cal >> 8) & 0xff;
152 cal_int[2] = (cal >> 16) & 0xff;
153 cal_int[3] = (cal >> 24) & 0xff;
155 if (!rewrite(image, AO_RADIO_CAL, cal_int, sizeof (cal_int))) {
156 fprintf(stderr, "Cannot rewrite radio calibration at %08x\n", AO_RADIO_CAL);
164 read_le16(uint8_t *src)
166 return (uint16_t) src[0] | ((uint16_t) src[1] << 8);
170 ao_heximage_usb_id(struct ao_hex_image *image, struct ao_usb_id *id)
172 uint32_t usb_descriptors;
174 if (!AO_USB_DESCRIPTORS)
176 usb_descriptors = AO_USB_DESCRIPTORS - image->address;
178 while (image->data[usb_descriptors] != 0 && usb_descriptors < image->length) {
179 if (image->data[usb_descriptors+1] == AO_USB_DESC_DEVICE) {
182 usb_descriptors += image->data[usb_descriptors];
186 * check to make sure there's at least 0x12 (size of a USB
187 * device descriptor) available
189 if (usb_descriptors >= image->length || image->data[usb_descriptors] != 0x12)
192 id->vid = read_le16(image->data + usb_descriptors + 8);
193 id->pid = read_le16(image->data + usb_descriptors + 10);
199 ao_heximage_usb_product(struct ao_hex_image *image)
201 uint32_t usb_descriptors;
206 if (!AO_USB_DESCRIPTORS)
208 usb_descriptors = AO_USB_DESCRIPTORS - image->address;
211 while (image->data[usb_descriptors] != 0 && usb_descriptors < image->length) {
212 if (image->data[usb_descriptors+1] == AO_USB_DESC_STRING) {
217 usb_descriptors += image->data[usb_descriptors];
221 * check to make sure there's at least 0x12 (size of a USB
222 * device descriptor) available
224 if (usb_descriptors >= image->length || image->data[usb_descriptors] == 0)
227 product_len = image->data[usb_descriptors] - 2;
229 if (usb_descriptors < product_len + 2)
232 product = malloc (product_len + 2);
236 memcpy(product, image->data + usb_descriptors + 2, product_len);
237 product[product_len/2] = 0;