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Added ability to output exception QR codes

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d0k3 2017-09-18 21:42:06 +02:00
parent 628234a861
commit d249b647d6
6 changed files with 1352 additions and 12 deletions
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4
Makefile
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@ -21,9 +21,9 @@ ifeq ($(SAFEMODE),1)
export TARGET := SafeMode9
endif
BUILD := build
SOURCES := source source/common source/filesys source/crypto source/fatfs source/nand source/virtual source/game source/gamecart source/quicklz source/system source/utils
SOURCES := source source/common source/filesys source/crypto source/fatfs source/nand source/virtual source/game source/gamecart source/quicklz source/qrcodegen source/system source/utils
DATA := data
INCLUDES := common source source/common source/font source/filesys source/crypto source/fatfs source/nand source/virtual source/game source/gamecart source/quicklz source/system source/utils
INCLUDES := common source source/common source/font source/filesys source/crypto source/fatfs source/nand source/virtual source/game source/gamecart source/quicklz source/qrcodegen source/system source/utils
#---------------------------------------------------------------------------------
# options for code generation

36
source/common/ui.c
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@ -7,6 +7,7 @@
#include <stdarg.h>
#include <stdio.h>
#include "qrcodegen.h"
#include "font.h"
#include "ui.h"
#include "rtc.h"
@ -55,7 +56,7 @@ void DrawBitmap(u8* screen, int x, int y, int w, int h, u8* bitmap)
int xDisplacement = (x * BYTES_PER_PIXEL * SCREEN_HEIGHT);
int yDisplacement = ((SCREEN_HEIGHT - (y + yy) - 1) * BYTES_PER_PIXEL);
u8* screenPos = screen + xDisplacement + yDisplacement;
for (int xx = w - 1; xx >= 0; xx--) {
for (int xx = 0; xx < w; xx++) {
memcpy(screenPos, bitmapPos, BYTES_PER_PIXEL);
bitmapPos += BYTES_PER_PIXEL;
screenPos += BYTES_PER_PIXEL * SCREEN_HEIGHT;
@ -63,6 +64,39 @@ void DrawBitmap(u8* screen, int x, int y, int w, int h, u8* bitmap)
}
}
void DrawQrCode(u8* screen, u8* qrcode)
{
const u32 size_qr = qrcodegen_getSize(qrcode);
u32 size_qr_s = size_qr;
u32 size_canvas = size_qr + 8;
// handle scaling
u32 scale = 1;
for (; size_canvas * (scale+1) < SCREEN_HEIGHT; scale++);
size_qr_s *= scale;
size_canvas *= scale;
// clear screen, draw the canvas
u32 x_canvas = (SCREEN_WIDTH(screen) - size_canvas) / 2;
u32 y_canvas = (SCREEN_HEIGHT - size_canvas) / 2;
ClearScreen(screen, COLOR_STD_BG);
DrawRectangle(screen, x_canvas, y_canvas, size_canvas, size_canvas, COLOR_WHITE);
// draw the QR code
u32 x_qr = (SCREEN_WIDTH(screen) - size_qr_s) / 2;
u32 y_qr = (SCREEN_HEIGHT - size_qr_s) / 2;
int xDisplacement = (x_qr * BYTES_PER_PIXEL * SCREEN_HEIGHT);
for (u32 y = 0; y < size_qr_s; y++) {
int yDisplacement = ((SCREEN_HEIGHT - (y_qr + y) - 1) * BYTES_PER_PIXEL);
u8* screenPos = screen + xDisplacement + yDisplacement;
for (u32 x = 0; x < size_qr_s; x++) {
u8 c = qrcodegen_getModule(qrcode, x/scale, y/scale) ? 0x00 : 0xFF;
memset(screenPos, c, BYTES_PER_PIXEL);
screenPos += BYTES_PER_PIXEL * SCREEN_HEIGHT;
}
}
}
void DrawCharacter(u8* screen, int character, int x, int y, int color, int bgcolor)
{
for (int yy = 0; yy < FONT_HEIGHT; yy++) {

2
source/common/ui.h
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@ -10,6 +10,7 @@
#define BYTES_PER_PIXEL 3
#define SCREEN_HEIGHT 240
#define SCREEN_WIDTH(s) ((s == TOP_SCREEN) ? SCREEN_WIDTH_TOP : SCREEN_WIDTH_BOT)
#define SCREEN_WIDTH_TOP 400
#define SCREEN_WIDTH_BOT 320
#ifdef FONT_6X10
@ -73,6 +74,7 @@ void ClearScreen(unsigned char *screen, int color);
void ClearScreenF(bool clear_main, bool clear_alt, int color);
void DrawRectangle(u8* screen, int x, int y, int width, int height, int color);
void DrawBitmap(u8* screen, int x, int y, int w, int h, u8* bitmap);
void DrawQrCode(u8* screen, u8* qrcode);
void DrawCharacter(unsigned char *screen, int character, int x, int y, int color, int bgcolor);
void DrawString(unsigned char *screen, const char *str, int x, int y, int color, int bgcolor);

1025
source/qrcodegen/qrcodegen.c Normal file
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File diff suppressed because it is too large Load Diff

267
source/qrcodegen/qrcodegen.h Normal file
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@ -0,0 +1,267 @@
/*
* QR Code generator library (C)
*
* Copyright (c) Project Nayuki. (MIT License)
* https://www.nayuki.io/page/qr-code-generator-library
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
* - The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* - The Software is provided "as is", without warranty of any kind, express or
* implied, including but not limited to the warranties of merchantability,
* fitness for a particular purpose and noninfringement. In no event shall the
* authors or copyright holders be liable for any claim, damages or other
* liability, whether in an action of contract, tort or otherwise, arising from,
* out of or in connection with the Software or the use or other dealings in the
* Software.
*/
#pragma once
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
/*---- Enum and struct types----*/
/*
* The error correction level used in a QR Code symbol.
*/
enum qrcodegen_Ecc {
qrcodegen_Ecc_LOW = 0,
qrcodegen_Ecc_MEDIUM,
qrcodegen_Ecc_QUARTILE,
qrcodegen_Ecc_HIGH,
};
/*
* The mask pattern used in a QR Code symbol.
*/
enum qrcodegen_Mask {
// A special value to tell the QR Code encoder to
// automatically select an appropriate mask pattern
qrcodegen_Mask_AUTO = -1,
// The eight actual mask patterns
qrcodegen_Mask_0 = 0,
qrcodegen_Mask_1,
qrcodegen_Mask_2,
qrcodegen_Mask_3,
qrcodegen_Mask_4,
qrcodegen_Mask_5,
qrcodegen_Mask_6,
qrcodegen_Mask_7,
};
/*
* The mode field of a segment.
*/
enum qrcodegen_Mode {
qrcodegen_Mode_NUMERIC,
qrcodegen_Mode_ALPHANUMERIC,
qrcodegen_Mode_BYTE,
qrcodegen_Mode_KANJI,
qrcodegen_Mode_ECI,
};
/*
* A segment of user/application data that a QR Code symbol can convey.
* Each segment has a mode, a character count, and character/general data that is
* already encoded as a sequence of bits. The maximum allowed bit length is 32767,
* because even the largest QR Code (version 40) has only 31329 modules.
*/
struct qrcodegen_Segment {
// The mode indicator for this segment.
enum qrcodegen_Mode mode;
// The length of this segment's unencoded data. Always in the range [0, 32767].
// For numeric, alphanumeric, and kanji modes, this measures in Unicode code points.
// For byte mode, this measures in bytes (raw binary data, text in UTF-8, or other encodings).
// For ECI mode, this is always zero.
int numChars;
// The data bits of this segment, packed in bitwise big endian.
// Can be null if the bit length is zero.
uint8_t *data;
// The number of valid data bits used in the buffer. Requires
// 0 <= bitLength <= 32767, and bitLength <= (capacity of data array) * 8.
int bitLength;
};
/*---- Macro constants and functions ----*/
// The minimum and maximum defined QR Code version numbers for Model 2.
#define qrcodegen_VERSION_MIN 1
#define qrcodegen_VERSION_MAX 40
// Calculates the number of bytes needed to store any QR Code up to and including the given version number,
// as a compile-time constant. For example, 'uint8_t buffer[qrcodegen_BUFFER_LEN_FOR_VERSION(25)];'
// can store any single QR Code from version 1 to 25, inclusive.
// Requires qrcodegen_VERSION_MIN <= n <= qrcodegen_VERSION_MAX.
#define qrcodegen_BUFFER_LEN_FOR_VERSION(n) ((((n) * 4 + 17) * ((n) * 4 + 17) + 7) / 8 + 1)
// The worst-case number of bytes needed to store one QR Code, up to and including
// version 40. This value equals 3918, which is just under 4 kilobytes.
// Use this more convenient value to avoid calculating tighter memory bounds for buffers.
#define qrcodegen_BUFFER_LEN_MAX qrcodegen_BUFFER_LEN_FOR_VERSION(qrcodegen_VERSION_MAX)
/*---- Functions to generate QR Codes ----*/
/*
* Encodes the given text string to a QR Code symbol, returning true if encoding succeeded.
* If the data is too long to fit in any version in the given range
* at the given ECC level, then false is returned.
* - The input text must be encoded in UTF-8 and contain no NULs.
* - The variables ecl and mask must correspond to enum constant values.
* - Requires 1 <= minVersion <= maxVersion <= 40.
* - The arrays tempBuffer and qrcode must each have a length
* of at least qrcodegen_BUFFER_LEN_FOR_VERSION(maxVersion).
* - After the function returns, tempBuffer contains no useful data.
* - If successful, the resulting QR Code may use numeric,
* alphanumeric, or byte mode to encode the text.
* - In the most optimistic case, a QR Code at version 40 with low ECC
* can hold any UTF-8 string up to 2953 bytes, or any alphanumeric string
* up to 4296 characters, or any digit string up to 7089 characters.
* These numbers represent the hard upper limit of the QR Code standard.
* - Please consult the QR Code specification for information on
* data capacities per version, ECC level, and text encoding mode.
*/
bool qrcodegen_encodeText(const char *text, uint8_t tempBuffer[], uint8_t qrcode[],
enum qrcodegen_Ecc ecl, int minVersion, int maxVersion, enum qrcodegen_Mask mask, bool boostEcl);
/*
* Encodes the given binary data to a QR Code symbol, returning true if encoding succeeded.
* If the data is too long to fit in any version in the given range
* at the given ECC level, then false is returned.
* - The input array range dataAndTemp[0 : dataLen] should normally be
* valid UTF-8 text, but is not required by the QR Code standard.
* - The variables ecl and mask must correspond to enum constant values.
* - Requires 1 <= minVersion <= maxVersion <= 40.
* - The arrays dataAndTemp and qrcode must each have a length
* of at least qrcodegen_BUFFER_LEN_FOR_VERSION(maxVersion).
* - After the function returns, the contents of dataAndTemp may have changed,
* and does not represent useful data anymore.
* - If successful, the resulting QR Code will use byte mode to encode the data.
* - In the most optimistic case, a QR Code at version 40 with low ECC can hold any byte
* sequence up to length 2953. This is the hard upper limit of the QR Code standard.
* - Please consult the QR Code specification for information on
* data capacities per version, ECC level, and text encoding mode.
*/
bool qrcodegen_encodeBinary(uint8_t dataAndTemp[], size_t dataLen, uint8_t qrcode[],
enum qrcodegen_Ecc ecl, int minVersion, int maxVersion, enum qrcodegen_Mask mask, bool boostEcl);
/*
* Tests whether the given string can be encoded as a segment in alphanumeric mode.
*/
bool qrcodegen_isAlphanumeric(const char *text);
/*
* Tests whether the given string can be encoded as a segment in numeric mode.
*/
bool qrcodegen_isNumeric(const char *text);
/*
* Returns the number of bytes (uint8_t) needed for the data buffer of a segment
* containing the given number of characters using the given mode. Notes:
* - Returns SIZE_MAX on failure, i.e. numChars > INT16_MAX or
* the number of needed bits exceeds INT16_MAX (i.e. 32767).
* - Otherwise, all valid results are in the range [0, ceil(INT16_MAX / 8)], i.e. at most 4096.
* - It is okay for the user to allocate more bytes for the buffer than needed.
* - For byte mode, numChars measures the number of bytes, not Unicode code points.
* - For ECI mode, numChars must be 0, and the worst-case number of bytes is returned.
* An actual ECI segment can have shorter data. For non-ECI modes, the result is exact.
*/
size_t qrcodegen_calcSegmentBufferSize(enum qrcodegen_Mode mode, size_t numChars);
/*
* Returns a segment representing the given binary data encoded in byte mode.
*/
struct qrcodegen_Segment qrcodegen_makeBytes(const uint8_t data[], size_t len, uint8_t buf[]);
/*
* Returns a segment representing the given string of decimal digits encoded in numeric mode.
*/
struct qrcodegen_Segment qrcodegen_makeNumeric(const char *digits, uint8_t buf[]);
/*
* Returns a segment representing the given text string encoded in alphanumeric mode.
* The characters allowed are: 0 to 9, A to Z (uppercase only), space,
* dollar, percent, asterisk, plus, hyphen, period, slash, colon.
*/
struct qrcodegen_Segment qrcodegen_makeAlphanumeric(const char *text, uint8_t buf[]);
/*
* Returns a segment representing an Extended Channel Interpretation
* (ECI) designator with the given assignment value.
*/
struct qrcodegen_Segment qrcodegen_makeEci(long assignVal, uint8_t buf[]);
/*
* Renders a QR Code symbol representing the given data segments at the given error correction
* level or higher. The smallest possible QR Code version is automatically chosen for the output.
* Returns true if QR Code creation succeeded, or false if the data is too long to fit in any version.
* This function allows the user to create a custom sequence of segments that switches
* between modes (such as alphanumeric and binary) to encode text more efficiently.
* This function is considered to be lower level than simply encoding text or binary data.
* To save memory, the segments' data buffers can alias/overlap tempBuffer, and will
* result in them being clobbered, but the QR Code output will still be correct.
* But the qrcode array must not overlap tempBuffer or any segment's data buffer.
*/
bool qrcodegen_encodeSegments(const struct qrcodegen_Segment segs[], size_t len,
enum qrcodegen_Ecc ecl, uint8_t tempBuffer[], uint8_t qrcode[]);
/*
* Renders a QR Code symbol representing the given data segments with the given encoding parameters.
* Returns true if QR Code creation succeeded, or false if the data is too long to fit in the range of versions.
* The smallest possible QR Code version within the given range is automatically chosen for the output.
* This function allows the user to create a custom sequence of segments that switches
* between modes (such as alphanumeric and binary) to encode text more efficiently.
* This function is considered to be lower level than simply encoding text or binary data.
* To save memory, the segments' data buffers can alias/overlap tempBuffer, and will
* result in them being clobbered, but the QR Code output will still be correct.
* But the qrcode array must not overlap tempBuffer or any segment's data buffer.
*/
bool qrcodegen_encodeSegmentsAdvanced(const struct qrcodegen_Segment segs[], size_t len, enum qrcodegen_Ecc ecl,
int minVersion, int maxVersion, int mask, bool boostEcl, uint8_t tempBuffer[], uint8_t qrcode[]);
/*---- Functions to extract raw data from QR Codes ----*/
/*
* Returns the side length of the given QR Code, assuming that encoding succeeded.
* The result is in the range [21, 177]. Note that the length of the array buffer
* is related to the side length - every 'uint8_t qrcode[]' must have length at least
* qrcodegen_BUFFER_LEN_FOR_VERSION(version), which equals ceil(size^2 / 8 + 1).
*/
int qrcodegen_getSize(const uint8_t qrcode[]);
/*
* Returns the color of the module (pixel) at the given coordinates, which is either
* false for white or true for black. The top left corner has the coordinates (x=0, y=0).
* If the given coordinates are out of bounds, then false (white) is returned.
*/
bool qrcodegen_getModule(const uint8_t qrcode[], int x, int y);

30
source/system/xrq.c
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@ -6,6 +6,7 @@
#include "common.h"
#include "fsinit.h"
#include "fsutil.h"
#include "qrcodegen.h"
#include "power.h"
#include "rtc.h"
#include "hid.h"
@ -75,15 +76,6 @@ void XRQ_DumpRegisters(u32 xrq, u32 *regs)
ClearScreen(MAIN_SCREEN, COLOR_STD_BG);
DrawStringF(MAIN_SCREEN, draw_x, draw_y, COLOR_STD_FONT, COLOR_STD_BG, dumpstr);
/* Reinitialize SD */
DrawStringF(MAIN_SCREEN, draw_x, draw_y_upd, COLOR_STD_FONT, COLOR_STD_BG,
"%-29.29s", "Reinitializing SD card...");
while (!InitSDCardFS()) {
if (InputWait(1) & BUTTON_POWER) PowerOff();
DeinitSDCardFS();
}
/* Dump STACK */
sp = regs[13] & ~0xF;
@ -101,6 +93,26 @@ void XRQ_DumpRegisters(u32 xrq, u32 *regs)
} else {
wstr += XRQ_DumpData_u32(wstr, pc-PC_DUMPRAD, pc+PC_DUMPRAD);
}
/* Draw QR Code */
u8 qrcode[qrcodegen_BUFFER_LEN_MAX];
u8 temp[qrcodegen_BUFFER_LEN_MAX];
DrawStringF(MAIN_SCREEN, draw_x, draw_y_upd, COLOR_STD_FONT, COLOR_STD_BG,
"%-29.29s", "Generating QR code...");
if (qrcodegen_encodeText(dumpstr, temp, qrcode, qrcodegen_Ecc_LOW,
qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX, qrcodegen_Mask_AUTO, true)) {
DrawQrCode(ALT_SCREEN, qrcode);
}
/* Reinitialize SD */
DrawStringF(MAIN_SCREEN, draw_x, draw_y_upd, COLOR_STD_FONT, COLOR_STD_BG,
"%-29.29s", "Reinitializing SD card...");
while (!InitSDCardFS()) {
if (InputWait(1) & BUTTON_POWER) PowerOff();
DeinitSDCardFS();
}
/* Dump to SD */