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Use 0-30000 range for input reports

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This commit is contained in:
Raphael Assenat 2015-08-18 21:09:53 -04:00
parent 5e59201bc4
commit d4a16f9ddb
2 changed files with 70 additions and 26 deletions
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83
n64.c
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@ -22,7 +22,7 @@
#include "n64.h"
#include "gcn64_protocol.h"
#define GCN64_REPORT_SIZE 9
#define GCN64_REPORT_SIZE 15
#undef BUTTON_A_RUMBLE_TEST
@ -236,31 +236,72 @@ static char n64Update(void)
for (i=0; i<4; i++) // Up down left right
rb2 |= btns1 & (0x08 >> i) ? (0x04<<i) : 0;
x = (x ^ 0x80) - 1;
y = ((y ^ 0x80) ) ^ 0xFF;
// The following helps a cheap TTX controller
// which uses the full 8 bit range instead
// of +/- 80. The specific test here prevents
// receiving a value of 128 (instead of -127).
//
// This will have no effect on "normal" controllers.
if (x == 0xFF)
x = 0;
// analog joystick
last_built_report[0] = 1; // ID
last_built_report[1] = x;
last_built_report[2] = y;
last_built_report[3] = 0x7f;
last_built_report[4] = 0x7f;
last_built_report[5] = 0x7f;
last_built_report[6] = 0x7f;
if (1) {
int16_t xval, yval;
xval = (char)x;
yval = (char)y;
if (xval>80) xval = 80; else if (xval<-80) xval = -80;
if (yval>80) yval = 80; else if (yval<-80) yval = -80;
// Scale -80 ... +80 to -16000 ... +16000
xval *= 200;
yval *= 200;
yval = -yval;
xval += 16000;
yval += 16000;
printf("x: 0x%04x -> ", xval, yval);
last_built_report[1] = ((uint8_t*)&xval)[0];
last_built_report[2] = ((uint8_t*)&xval)[1];
last_built_report[3] = ((uint8_t*)&yval)[0];
last_built_report[4] = ((uint8_t*)&yval)[1];
}
#ifdef CLASSIC_MODE // Adapter V1/V2 which required calibration
if (1) {
// Convert to unsigned
x = (x ^ 0x80) - 1;
y = ((y ^ 0x80) ) ^ 0xFF;
// The following helps a cheap TTX controller
// which uses the full 8 bit range instead
// of +/- 80. The specific test here prevents
// receiving a value of 128 (instead of -127).
//
// This will have no effect on "normal" controllers.
if (x == 0xFF)
x = 0;
last_built_report[1] = 0;
last_built_report[2] = x;
last_built_report[3] = 0;
last_built_report[4] = y;
}
#endif
last_built_report[5] = 0x80;
last_built_report[6] = 0x3e;
last_built_report[7] = 0x80;
last_built_report[8] = 0x3e;
last_built_report[9] = 0x80;
last_built_report[10] = 0x3e;
last_built_report[11] = 0x80;
last_built_report[12] = 0x3e;
// buttons
last_built_report[7] = rb1;
last_built_report[8] = rb2;
last_built_report[13] = rb1;
last_built_report[14] = rb2;
return 0;
}

13
reportdesc.c
View File

@ -37,12 +37,15 @@ const uint8_t gcn64_usbHidReportDescriptor[] PROGMEM = {
0x09, 0x01, // usage pointer
0xA1, 0x00, // COLLECTION (phys)
0x05, 0x01, // USAGE_PAGE (Generic desktop)
0x75, 0x08, // REPORT_SIZE (8)
0x75, 0x10, // REPORT_SIZE (16)
0x95, 0x06, // REPORT_COUNT (6)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x26, 0xFF, 0x00, // LOGICAL_MAXIMUM (255)
0x35, 0x00, // Physical Minimum (0)
0x46, 0xFF, 0x00, // Physical Minimum (255)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x26, 0x00, 0x7D, // LOGICAL_MAXIMUM (32000)
// 0x16, 0x00, // Physical Minimum (0)
// 0x46, 0x00, 0x7D, // Physical Maximum (32000)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x09, 0x33, // USAGE (Rx)