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trezor-mcu
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util: Add MIN and MAX macros

This commit is contained in:
Saleem Rashid 2017-12-09 13:30:15 +00:00 committed by Pavol Rusnak
parent c06593e864
commit 83a34ff925
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GPG Key ID: 91F3B339B9A02A3D
3 changed files with 12 additions and 13 deletions
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2
firmware/u2f.c
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@ -40,8 +40,6 @@
#include "u2f_knownapps.h"
#include "u2f.h"
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
// About 1/2 Second according to values used in protect.c
#define U2F_TIMEOUT (800000/2)
#define U2F_OUT_PKT_BUFFER_LEN 128

19
oled.c
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@ -306,9 +306,6 @@ void oledDrawStringRight(int x, int y, const char* text)
oledDrawString(x, y, text);
}
#define max(X,Y) ((X) > (Y) ? (X) : (Y))
#define min(X,Y) ((X) < (Y) ? (X) : (Y))
void oledDrawBitmap(int x, int y, const BITMAP *bmp)
{
for (int i = 0; i < bmp->width; i++) {
@ -327,10 +324,10 @@ void oledDrawBitmap(int x, int y, const BITMAP *bmp)
*/
void oledInvert(int x1, int y1, int x2, int y2)
{
x1 = max(x1, 0);
y1 = max(y1, 0);
x2 = min(x2, OLED_WIDTH - 1);
y2 = min(y2, OLED_HEIGHT - 1);
x1 = MAX(x1, 0);
y1 = MAX(y1, 0);
x2 = MIN(x2, OLED_WIDTH - 1);
y2 = MIN(y2, OLED_HEIGHT - 1);
for (int x = x1; x <= x2; x++) {
for (int y = y1; y <= y2; y++) {
oledInvertPixel(x,y);
@ -343,10 +340,10 @@ void oledInvert(int x1, int y1, int x2, int y2)
*/
void oledBox(int x1, int y1, int x2, int y2, bool set)
{
x1 = max(x1, 0);
y1 = max(y1, 0);
x2 = min(x2, OLED_WIDTH - 1);
y2 = min(y2, OLED_HEIGHT - 1);
x1 = MAX(x1, 0);
y1 = MAX(y1, 0);
x2 = MIN(x2, OLED_WIDTH - 1);
y2 = MIN(y2, OLED_HEIGHT - 1);
for (int x = x1; x <= x2; x++) {
for (int y = y1; y <= y2; y++) {
set ? oledDrawPixel(x, y) : oledClearPixel(x, y);

4
util.h
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@ -25,6 +25,10 @@
#include <libopencm3/cm3/scb.h>
#include <libopencm3/cm3/vector.h>
// Statement expressions make these macros side-effect safe
#define MIN(a, b) ({ typeof(a) _a = (a); typeof(b) _b = (b); _a > _b ? _a : _b; })
#define MAX(a, b) ({ typeof(a) _a = (a); typeof(b) _b = (b); _a > _b ? _a : _b; })
void delay(uint32_t wait);
// converts uint32 to hexa (8 digits)