mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-16 03:18:09 +00:00
674 lines
16 KiB
C
674 lines
16 KiB
C
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include STM32_HAL_H
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#include "button.h"
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#include "common.h"
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#include "display.h"
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#include "display_utils.h"
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#include "flash.h"
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#include "i2c.h"
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#include "model.h"
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#include "mpu.h"
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#include "prodtest_common.h"
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#include "random_delays.h"
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#include "sbu.h"
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#include "sdcard.h"
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#include "secbool.h"
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#include "supervise.h"
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#include "touch.h"
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#include "usb.h"
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#ifdef USE_OPTIGA
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#include "optiga_commands.h"
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#include "optiga_prodtest.h"
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#include "optiga_transport.h"
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#endif
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#include "memzero.h"
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#include "stm32f4xx_ll_utils.h"
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#ifdef TREZOR_MODEL_T
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#define MODEL_IDENTIFIER "TREZOR2-"
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#elif TREZOR_MODEL_R
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#define MODEL_IDENTIFIER "T2B1-"
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#endif
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static secbool startswith(const char *s, const char *prefix) {
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return sectrue * (0 == strncmp(s, prefix, strlen(prefix)));
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}
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static void vcp_intr(void) {
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display_clear();
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ensure(secfalse, "vcp_intr");
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}
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static char vcp_getchar(void) {
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uint8_t c = 0;
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int r = usb_vcp_read_blocking(VCP_IFACE, &c, 1, -1);
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(void)r;
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return (char)c;
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}
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static void vcp_readline(char *buf, size_t len) {
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for (;;) {
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char c = vcp_getchar();
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if (c == '\r') {
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vcp_puts("\r\n", 2);
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break;
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}
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if (c < 32 || c > 126) { // not printable
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continue;
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}
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if (len > 1) { // leave space for \0
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*buf = c;
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buf++;
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len--;
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vcp_puts(&c, 1);
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}
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}
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if (len > 0) {
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*buf = '\0';
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}
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}
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static void usb_init_all(void) {
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enum {
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VCP_PACKET_LEN = 64,
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VCP_BUFFER_LEN = 1024,
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};
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static const usb_dev_info_t dev_info = {
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.device_class = 0xEF, // Composite Device Class
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.device_subclass = 0x02, // Common Class
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.device_protocol = 0x01, // Interface Association Descriptor
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.vendor_id = 0x1209,
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.product_id = 0x53C1,
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.release_num = 0x0400,
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.manufacturer = "SatoshiLabs",
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.product = "TREZOR",
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.serial_number = "000000000000",
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.interface = "TREZOR Interface",
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.usb21_enabled = secfalse,
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.usb21_landing = secfalse,
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};
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static uint8_t tx_packet[VCP_PACKET_LEN];
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static uint8_t tx_buffer[VCP_BUFFER_LEN];
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static uint8_t rx_packet[VCP_PACKET_LEN];
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static uint8_t rx_buffer[VCP_BUFFER_LEN];
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static const usb_vcp_info_t vcp_info = {
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.tx_packet = tx_packet,
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.tx_buffer = tx_buffer,
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.rx_packet = rx_packet,
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.rx_buffer = rx_buffer,
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.tx_buffer_len = VCP_BUFFER_LEN,
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.rx_buffer_len = VCP_BUFFER_LEN,
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.rx_intr_fn = vcp_intr,
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.rx_intr_byte = 3, // Ctrl-C
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.iface_num = VCP_IFACE,
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.data_iface_num = 0x01,
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.ep_cmd = 0x82,
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.ep_in = 0x81,
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.ep_out = 0x01,
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.polling_interval = 10,
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.max_packet_len = VCP_PACKET_LEN,
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};
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usb_init(&dev_info);
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ensure(usb_vcp_add(&vcp_info), "usb_vcp_add");
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usb_start();
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}
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static void draw_border(int width, int padding) {
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const int W = width, P = padding, RX = DISPLAY_RESX, RY = DISPLAY_RESY;
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display_clear();
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display_bar(P, P, RX - 2 * P, RY - 2 * P, 0xFFFF);
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display_bar(P + W, P + W, RX - 2 * (P + W), RY - 2 * (P + W), 0x0000);
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display_refresh();
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}
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static void draw_welcome_screen(void) {
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#if TREZOR_MODEL_R
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display_bar(0, 0, DISPLAY_RESX, DISPLAY_RESY, 0xFFFF);
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display_refresh();
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#else
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draw_border(1, 3);
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#endif
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}
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static void test_border(void) {
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draw_border(2, 0);
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vcp_println("OK");
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}
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static void test_display(const char *colors) {
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display_clear();
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size_t l = strlen(colors);
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size_t w = DISPLAY_RESX / l;
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for (size_t i = 0; i < l; i++) {
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uint16_t c = 0x0000; // black
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switch (colors[i]) {
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case 'R':
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c = 0xF800;
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break;
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case 'G':
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c = 0x07E0;
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break;
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case 'B':
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c = 0x001F;
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break;
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case 'W':
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c = 0xFFFF;
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break;
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}
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display_bar(i * w, 0, i * w + w, DISPLAY_RESY, c);
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}
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display_refresh();
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vcp_println("OK");
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}
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#ifdef USE_BUTTON
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static secbool test_btn_press(uint32_t deadline, uint32_t btn) {
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while (button_read() != (btn | BTN_EVT_DOWN)) {
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if (HAL_GetTick() > deadline) {
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vcp_println("ERROR TIMEOUT");
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return secfalse;
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}
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}
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while (button_read() != (btn | BTN_EVT_UP)) {
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if (HAL_GetTick() > deadline) {
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vcp_println("ERROR TIMEOUT");
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return secfalse;
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}
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}
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return sectrue;
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}
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static secbool test_btn_all(uint32_t deadline) {
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bool left_pressed = 0;
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bool right_pressed = 0;
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while (true) {
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uint32_t buttons = button_read();
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if (buttons == (BTN_LEFT | BTN_EVT_DOWN)) {
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left_pressed = 1;
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}
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if (buttons == (BTN_RIGHT | BTN_EVT_DOWN)) {
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right_pressed = 1;
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}
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if (buttons == (BTN_LEFT | BTN_EVT_UP)) {
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left_pressed = 0;
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}
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if (buttons == (BTN_RIGHT | BTN_EVT_UP)) {
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right_pressed = 0;
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}
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if (left_pressed && right_pressed) {
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break;
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}
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if (HAL_GetTick() > deadline) {
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vcp_println("ERROR TIMEOUT");
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return secfalse;
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}
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}
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while (true) {
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uint32_t buttons = button_read();
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if (buttons == (BTN_LEFT | BTN_EVT_DOWN)) {
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left_pressed = 1;
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}
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if (buttons == (BTN_RIGHT | BTN_EVT_DOWN)) {
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right_pressed = 1;
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}
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if (buttons == (BTN_LEFT | BTN_EVT_UP)) {
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left_pressed = 0;
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}
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if (buttons == (BTN_RIGHT | BTN_EVT_UP)) {
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right_pressed = 0;
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}
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if (!left_pressed && !right_pressed) {
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break;
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}
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if (HAL_GetTick() > deadline) {
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vcp_println("ERROR TIMEOUT");
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return secfalse;
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}
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}
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return sectrue;
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}
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static void test_button(const char *args) {
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int timeout = 0;
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if (startswith(args, "LEFT ")) {
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timeout = args[5] - '0';
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uint32_t deadline = HAL_GetTick() + timeout * 1000;
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secbool r = test_btn_press(deadline, BTN_LEFT);
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if (r == sectrue) vcp_println("OK");
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}
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if (startswith(args, "RIGHT ")) {
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timeout = args[6] - '0';
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uint32_t deadline = HAL_GetTick() + timeout * 1000;
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secbool r = test_btn_press(deadline, BTN_RIGHT);
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if (r == sectrue) vcp_println("OK");
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}
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if (startswith(args, "BOTH ")) {
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timeout = args[5] - '0';
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uint32_t deadline = HAL_GetTick() + timeout * 1000;
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secbool r = test_btn_all(deadline);
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if (r == sectrue) vcp_println("OK");
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}
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}
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#endif
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#ifdef USE_TOUCH
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static secbool touch_click_timeout(uint32_t *touch, uint32_t timeout_ms) {
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uint32_t deadline = HAL_GetTick() + timeout_ms;
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uint32_t r = 0;
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while (touch_read())
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;
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while ((touch_read() & TOUCH_START) == 0) {
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if (HAL_GetTick() > deadline) return secfalse;
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}
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while (((r = touch_read()) & TOUCH_END) == 0) {
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if (HAL_GetTick() > deadline) return secfalse;
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}
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while (touch_read())
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;
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*touch = r;
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return sectrue;
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}
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static void test_touch(const char *args) {
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int column = args[0] - '0';
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int timeout = args[1] - '0';
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display_clear();
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switch (column) {
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case 1:
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display_bar(0, 0, 120, 120, 0xFFFF);
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break;
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case 2:
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display_bar(120, 0, 120, 120, 0xFFFF);
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break;
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case 3:
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display_bar(120, 120, 120, 120, 0xFFFF);
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break;
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default:
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display_bar(0, 120, 120, 120, 0xFFFF);
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break;
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}
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display_refresh();
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touch_power_on();
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uint32_t evt = 0;
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if (touch_click_timeout(&evt, timeout * 1000)) {
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uint16_t x = touch_unpack_x(evt);
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uint16_t y = touch_unpack_y(evt);
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vcp_println("OK %d %d", x, y);
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} else {
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vcp_println("ERROR TIMEOUT");
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}
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display_clear();
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display_refresh();
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touch_power_off();
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}
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static void test_sensitivity(const char *args) {
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int v = atoi(args);
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touch_power_on();
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touch_sensitivity(v & 0xFF);
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display_clear();
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display_refresh();
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for (;;) {
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uint32_t evt = touch_read();
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if (evt & TOUCH_START || evt & TOUCH_MOVE) {
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int x = touch_unpack_x(evt);
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int y = touch_unpack_y(evt);
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display_clear();
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display_bar(x - 48, y - 48, 96, 96, 0xFFFF);
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display_refresh();
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} else if (evt & TOUCH_END) {
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display_clear();
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display_refresh();
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}
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}
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touch_power_off();
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}
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#endif
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static void test_pwm(const char *args) {
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int v = atoi(args);
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display_backlight(v);
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display_refresh();
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vcp_println("OK");
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}
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#ifdef USE_SD_CARD
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static void test_sd(void) {
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#define BLOCK_SIZE (32 * 1024)
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static uint32_t buf1[BLOCK_SIZE / sizeof(uint32_t)];
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static uint32_t buf2[BLOCK_SIZE / sizeof(uint32_t)];
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if (sectrue != sdcard_is_present()) {
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vcp_println("ERROR NOCARD");
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return;
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}
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ensure(sdcard_power_on(), NULL);
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if (sectrue != sdcard_read_blocks(buf1, 0, BLOCK_SIZE / SDCARD_BLOCK_SIZE)) {
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vcp_println("ERROR sdcard_read_blocks (0)");
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goto power_off;
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}
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for (int j = 1; j <= 2; j++) {
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for (int i = 0; i < BLOCK_SIZE / sizeof(uint32_t); i++) {
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buf1[i] ^= 0xFFFFFFFF;
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}
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if (sectrue !=
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sdcard_write_blocks(buf1, 0, BLOCK_SIZE / SDCARD_BLOCK_SIZE)) {
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vcp_println("ERROR sdcard_write_blocks (%d)", j);
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goto power_off;
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}
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HAL_Delay(1000);
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if (sectrue !=
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sdcard_read_blocks(buf2, 0, BLOCK_SIZE / SDCARD_BLOCK_SIZE)) {
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vcp_println("ERROR sdcard_read_blocks (%d)", j);
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goto power_off;
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}
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if (0 != memcmp(buf1, buf2, sizeof(buf1))) {
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vcp_println("ERROR DATA MISMATCH");
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goto power_off;
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}
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}
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vcp_println("OK");
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power_off:
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sdcard_power_off();
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}
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#endif
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static void test_wipe(void) {
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// erase start of the firmware (metadata) -> invalidate FW
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ensure(flash_unlock_write(), NULL);
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for (int i = 0; i < 1024 / sizeof(uint32_t); i++) {
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ensure(
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flash_area_write_word(&FIRMWARE_AREA, i * sizeof(uint32_t), 0x00000000),
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NULL);
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}
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ensure(flash_lock_write(), NULL);
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display_clear();
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display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY / 2 + 10, "WIPED", -1,
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FONT_BOLD, COLOR_WHITE, COLOR_BLACK);
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display_refresh();
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vcp_println("OK");
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}
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#ifdef USE_SBU
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static void test_sbu(const char *args) {
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secbool sbu1 = sectrue * (args[0] == '1');
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secbool sbu2 = sectrue * (args[1] == '1');
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sbu_set(sbu1, sbu2);
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vcp_println("OK");
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}
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#endif
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static void test_otp_read(void) {
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uint8_t data[32];
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memzero(data, sizeof(data));
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ensure(flash_otp_read(FLASH_OTP_BLOCK_BATCH, 0, data, sizeof(data)), NULL);
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// strip trailing 0xFF
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for (size_t i = 0; i < sizeof(data); i++) {
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if (data[i] == 0xFF) {
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data[i] = 0x00;
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break;
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}
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}
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// use (null) for empty data
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if (data[0] == 0x00) {
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vcp_println("OK (null)");
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} else {
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vcp_println("OK %s", (const char *)data);
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}
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}
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static void test_otp_write(const char *args) {
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char data[32];
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memzero(data, sizeof(data));
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strncpy(data, args, sizeof(data) - 1);
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ensure(flash_otp_write(FLASH_OTP_BLOCK_BATCH, 0, (const uint8_t *)data,
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sizeof(data)),
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NULL);
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ensure(flash_otp_lock(FLASH_OTP_BLOCK_BATCH), NULL);
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vcp_println("OK");
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}
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static void test_otp_write_device_variant(const char *args) {
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#ifdef USE_OPTIGA
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optiga_locked_status status = get_optiga_locked_status();
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if (status == OPTIGA_LOCKED_FALSE) {
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vcp_println("ERROR NOT LOCKED");
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return;
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}
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if (status != OPTIGA_LOCKED_TRUE) {
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// Error reported by get_optiga_locked_status().
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return;
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}
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#endif
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volatile char data[32];
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memzero((char *)data, sizeof(data));
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data[0] = 1;
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int arg_start = 0;
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int arg_num = 1;
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int arg_len = 0;
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int n = 0;
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while (args[n] != 0) {
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if (args[n] == ' ') {
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if (arg_len != 0) {
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if (arg_num < 32) {
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data[arg_num] = (uint8_t)atoi(&args[arg_start]);
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}
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arg_num++;
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}
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arg_start = n + 1;
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arg_len = 0;
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} else {
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arg_len++;
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}
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n++;
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}
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if (arg_len != 0 && arg_num < 32) {
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data[arg_num] = (uint8_t)atoi(&args[arg_start]);
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}
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ensure(flash_otp_write(FLASH_OTP_BLOCK_DEVICE_VARIANT, 0,
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(const uint8_t *)data, sizeof(data)),
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NULL);
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ensure(flash_otp_lock(FLASH_OTP_BLOCK_DEVICE_VARIANT), NULL);
|
|
vcp_println("OK");
|
|
}
|
|
|
|
void cpuid_read(void) {
|
|
uint32_t cpuid[3];
|
|
cpuid[0] = LL_GetUID_Word0();
|
|
cpuid[1] = LL_GetUID_Word1();
|
|
cpuid[2] = LL_GetUID_Word2();
|
|
|
|
vcp_print("OK ");
|
|
vcp_println_hex((uint8_t *)cpuid, sizeof(cpuid));
|
|
}
|
|
|
|
#define BACKLIGHT_NORMAL 150
|
|
|
|
int main(void) {
|
|
display_reinit();
|
|
display_orientation(0);
|
|
random_delays_init();
|
|
#ifdef USE_SD_CARD
|
|
sdcard_init();
|
|
#endif
|
|
#ifdef USE_BUTTON
|
|
button_init();
|
|
#endif
|
|
#ifdef USE_I2C
|
|
i2c_init();
|
|
#endif
|
|
#ifdef USE_TOUCH
|
|
touch_init();
|
|
#endif
|
|
#ifdef USE_SBU
|
|
sbu_init();
|
|
#endif
|
|
usb_init_all();
|
|
|
|
#ifdef USE_OPTIGA
|
|
optiga_init();
|
|
optiga_open_application();
|
|
pair_optiga();
|
|
#endif
|
|
|
|
mpu_config_prodtest();
|
|
drop_privileges();
|
|
|
|
display_clear();
|
|
draw_welcome_screen();
|
|
|
|
char dom[32];
|
|
// format: TREZOR2-YYMMDD
|
|
if (sectrue == flash_otp_read(FLASH_OTP_BLOCK_BATCH, 0, (uint8_t *)dom, 32) &&
|
|
sectrue == startswith(dom, MODEL_IDENTIFIER) && dom[31] == 0) {
|
|
display_qrcode(DISPLAY_RESX / 2, DISPLAY_RESY / 2, dom, 4);
|
|
display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 30, dom + 8, -1,
|
|
FONT_BOLD, COLOR_WHITE, COLOR_BLACK);
|
|
}
|
|
|
|
display_fade(0, BACKLIGHT_NORMAL, 1000);
|
|
|
|
char line[2048]; // expecting hundreds of bytes represented as hexadecimal
|
|
// characters
|
|
|
|
for (;;) {
|
|
vcp_readline(line, sizeof(line));
|
|
|
|
if (startswith(line, "PING")) {
|
|
vcp_println("OK");
|
|
|
|
} else if (startswith(line, "CPUID READ")) {
|
|
cpuid_read();
|
|
|
|
} else if (startswith(line, "BORDER")) {
|
|
test_border();
|
|
|
|
} else if (startswith(line, "DISP ")) {
|
|
test_display(line + 5);
|
|
#ifdef USE_BUTTON
|
|
} else if (startswith(line, "BUTTON ")) {
|
|
test_button(line + 7);
|
|
#endif
|
|
#ifdef USE_TOUCH
|
|
} else if (startswith(line, "TOUCH ")) {
|
|
test_touch(line + 6);
|
|
|
|
} else if (startswith(line, "SENS ")) {
|
|
test_sensitivity(line + 5);
|
|
#endif
|
|
} else if (startswith(line, "PWM ")) {
|
|
test_pwm(line + 4);
|
|
#ifdef USE_SD_CARD
|
|
} else if (startswith(line, "SD")) {
|
|
test_sd();
|
|
#endif
|
|
#ifdef USE_SBU
|
|
} else if (startswith(line, "SBU ")) {
|
|
test_sbu(line + 4);
|
|
#endif
|
|
#ifdef USE_OPTIGA
|
|
} else if (startswith(line, "OPTIGAID READ")) {
|
|
optigaid_read();
|
|
} else if (startswith(line, "CERTINF READ")) {
|
|
cert_read(OID_CERT_INF);
|
|
} else if (startswith(line, "CERTDEV WRITE ")) {
|
|
cert_write(OID_CERT_DEV, line + 14);
|
|
} else if (startswith(line, "CERTDEV READ")) {
|
|
cert_read(OID_CERT_DEV);
|
|
} else if (startswith(line, "CERTFIDO WRITE ")) {
|
|
cert_write(OID_CERT_FIDO, line + 15);
|
|
} else if (startswith(line, "CERTFIDO READ")) {
|
|
cert_read(OID_CERT_FIDO);
|
|
} else if (startswith(line, "KEYFIDO WRITE ")) {
|
|
keyfido_write(line + 14);
|
|
} else if (startswith(line, "KEYFIDO READ")) {
|
|
pubkey_read(OID_KEY_FIDO);
|
|
} else if (startswith(line, "LOCK")) {
|
|
optiga_lock();
|
|
} else if (startswith(line, "CHECK LOCKED")) {
|
|
check_locked();
|
|
} else if (startswith(line, "SEC READ")) {
|
|
sec_read();
|
|
|
|
#endif
|
|
|
|
} else if (startswith(line, "OTP READ")) {
|
|
test_otp_read();
|
|
|
|
} else if (startswith(line, "OTP WRITE ")) {
|
|
test_otp_write(line + 10);
|
|
|
|
} else if (startswith(line, "VARIANT ")) {
|
|
test_otp_write_device_variant(line + 8);
|
|
|
|
} else if (startswith(line, "WIPE")) {
|
|
test_wipe();
|
|
|
|
} else {
|
|
vcp_println("UNKNOWN");
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void HardFault_Handler(void) { error_shutdown("INTERNAL ERROR!", "(HF)"); }
|