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serial_mouse: simplified clipping of X/Y/V/H changes below -127 using a MAX macro

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This commit is contained in:
Robin Haberkorn 2014-07-27 17:26:44 +02:00
parent 0bfba7acc4
commit eb90284494
2 changed files with 20 additions and 18 deletions
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9
protocol/serial_mouse_microsoft.c
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@ -27,6 +27,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "print.h"
#include "debug.h"
#ifdef MAX
#undef MAX
#endif
#define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
static void print_usb_data(const report_mouse_t *report);
void serial_mouse_task(void)
@ -91,8 +96,8 @@ void serial_mouse_task(void)
report.y = ((buffer[0] << 4) & 0xC0) | buffer[2];
/* USB HID uses values from -127 to 127 only */
report.x = report.x < -127 ? -127 : report.x;
report.y = report.y < -127 ? -127 : report.y;
report.x = MAX(report.x, -127);
report.y = MAX(report.y, -127);
#if 0
if (!report.buttons && !report.x && !report.y) {