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gc_n64_usb-v3
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Code Issues Releases Wiki Activity

Use button mapping framework

This commit is contained in:
Raphael Assenat 2015-08-22 00:45:26 -04:00
parent c07beb0734
commit a1a2c4ba68
1 changed files with 49 additions and 10 deletions
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59
usbpad.c
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@ -1,10 +1,14 @@
#include <stdint.h>
#include "gamepads.h"
#include "usbpad.h"
#include "mappings.h"
#define REPORT_ID 1
#define REPORT_SIZE 15
void usbpad_init(void)
{
}
@ -14,6 +18,22 @@ int usbpad_getReportSize(void)
return REPORT_SIZE;
}
static int16_t minmax(int16_t input, int16_t min, int16_t max)
{
if (input > max)
return max;
if (input < min)
return min;
return input;
}
static void btnsToReport(unsigned short buttons, unsigned char dstbuf[2])
{
dstbuf[0] = buttons & 0xff;
dstbuf[1] = buttons >> 8;
}
static void buildIdleReport(unsigned char dstbuf[REPORT_SIZE])
{
int i;
@ -33,19 +53,40 @@ static void buildIdleReport(unsigned char dstbuf[REPORT_SIZE])
static void buildReportFromGC(const gc_pad_data *gc_data, unsigned char dstbuf[REPORT_SIZE])
{
buildIdleReport(dstbuf);
int16_t xval,yval;
uint16_t buttons;
// printf("GC x: %4d, y: %4d\r\n", gc_data->x, gc_data->y);
/* Force official range */
xval = minmax(gc_data->x, -100, 100);
yval = minmax(gc_data->y, -100, 100);
/* Scale -100 ... + 1000 to -16000 ... +16000 */
xval *= 160;
yval *= 160;
/* Unsign for HID report */
xval += 16000;
yval += 16000;
dstbuf[1] = ((uint8_t*)&xval)[0];
dstbuf[2] = ((uint8_t*)&xval)[1];
dstbuf[3] = ((uint8_t*)&yval)[0];
dstbuf[4] = ((uint8_t*)&yval)[1];
buttons = mappings_do(MAPPING_GAMECUBE_DEFAULT, gc_data->buttons);
btnsToReport(buttons, dstbuf+13);
}
static void buildReportFromN64(const n64_pad_data *n64_data, unsigned char dstbuf[REPORT_SIZE])
{
int16_t xval, yval;
xval = n64_data->x;
yval = n64_data->y;
uint16_t buttons;
/* Force official range */
if (xval>80) xval = 80; else if (xval<-80) xval = -80;
if (yval>80) yval = 80; else if (yval<-80) yval = -80;
xval = minmax(n64_data->x, -80, 80);
yval = minmax(n64_data->y, -80, 80);
/* Scale -80 ... +80 to -16000 ... +16000 */
xval *= 200;
@ -61,10 +102,8 @@ static void buildReportFromN64(const n64_pad_data *n64_data, unsigned char dstbu
dstbuf[3] = ((uint8_t*)&yval)[0];
dstbuf[4] = ((uint8_t*)&yval)[1];
/* TODO : Button mapping */
dstbuf[13] = n64_data->raw_data[0];
dstbuf[14] = n64_data->raw_data[1];
buttons = mappings_do(MAPPING_N64_DEFAULT, n64_data->buttons);
btnsToReport(buttons, dstbuf+13);
}
void usbpad_buildReport(const gamepad_data *pad_data, unsigned char dstbuf[REPORT_SIZE])