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Dreamcast keyboard support.

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This commit is contained in:
Raphaël Assénat 2013-11-02 19:00:29 +00:00
parent 5957b607cd
commit c806898355
1 changed files with 128 additions and 2 deletions
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130
dc_pad.c
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@ -29,7 +29,9 @@
#define MOUSE_REPORT_SIZE 5
#define CONTROLLER_REPORT_SIZE 6
#define MAX_REPORT_SIZE 6
#define KEYBOARD_REPORT_SIZE 7
#define MAX_REPORT_SIZE 8
#define NUM_REPORTS 1
@ -116,6 +118,53 @@ static const unsigned char dcMouseReport[] PROGMEM = {
0xc0, // END_COLLECTION
};
/* [0] Modifier byte
* [1] Reserved
* [2] Key array
* [3] Key array
* [4] Key array
* [5] Key array
* [6] Key array
* [7] Key array
*
* See Universal Serial Bus HID Tables - 10 Keyboard/Keypad Page (0x07)
* for key codes.
*
*/
static const unsigned char dcKeyboardReport[] PROGMEM = {
0x05, 0x01, // Usage page : Generic Desktop
0x09, 0x06, // Usage (Keyboard)
0xA1, 0x01, // Collection (Application)
0x05, 0x07, // Usage Page (Key Codes)
0x19, 0xE0, // Usage Minimum (224)
0x29, 0xE7, // Usage Maximum (231)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
// Modifier Byte
0x75, 0x01, // Report Size(1)
0x95, 0x08, // Report Count(8)
0x81, 0x02, // Input (Data, Variable, Absolute)
// Reserved Byte
// 0x95, 0x01, // Report Count(1)
// 0x75, 0x08, // Report Size(8)
0x95, 0x06, // Report Count(6)
0x75, 0x08, // Report Size(8)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x8B, // Logical maximum (139)
// Key array
// 0x05, 0x07, // Usage Page (key Codes)
0x19, 0x00, // Usage Minimum(0)
0x29, 0x8B, // Usage Maximum(139)
0x81, 0x00, // Input (Data, Array)
0xc0, // END_COLLECTION
};
const unsigned char dcPadDevDesc[] PROGMEM = { /* USB device descriptor */
18, /* sizeof(usbDescrDevice): length of descriptor in bytes */
USBDESCR_DEVICE, /* descriptor type */
@ -150,6 +199,24 @@ const unsigned char dcMouseDevDesc[] PROGMEM = { /* USB device descriptor */
1, /* number of configurations */
};
const unsigned char dcKeyboardDevDesc[] PROGMEM = { /* USB device descriptor */
18, /* sizeof(usbDescrDevice): length of descriptor in bytes */
USBDESCR_DEVICE, /* descriptor type */
0x01, 0x01, /* USB version supported */
USB_CFG_DEVICE_CLASS,
USB_CFG_DEVICE_SUBCLASS,
0, /* protocol */
8, /* max packet size */
0x9B, 0x28, // Vendor ID
0x0A, 0x00, // Product ID
0x00, 0x01, // Version: Minor, Major
1, // Manufacturer String
2, // Product string
3, // Serial number string
1, /* number of configurations */
};
#define DEFAULT_FUNCTION MAPLE_FUNC_CONTROLLER
static uint16_t cur_connected_device = DEFAULT_FUNCTION;
@ -188,6 +255,14 @@ static void setConnectedDevice(uint16_t func)
dcGamepad.deviceDescriptorSize = sizeof(dcMouseDevDesc);
cur_report_size = MOUSE_REPORT_SIZE;
break;
case MAPLE_FUNC_KEYBOARD:
dcGamepad.reportDescriptor = (void*)dcKeyboardReport;
dcGamepad.reportDescriptorSize = sizeof(dcKeyboardReport);
dcGamepad.deviceDescriptor = (void*)dcKeyboardDevDesc;
dcGamepad.deviceDescriptorSize = sizeof(dcKeyboardDevDesc);
cur_report_size = KEYBOARD_REPORT_SIZE;
break;
}
}
@ -205,7 +280,7 @@ static void dcInit(void)
#define STATE_GET_INFO 1
#define STATE_READ_PAD 2
#define STATE_READ_MOUSE 3
#define STATE_GET_EXT_INFO 4
#define STATE_READ_KEYBOARD 4
static void dcReadPad(void)
@ -255,6 +330,9 @@ static void dcReadPad(void)
state = STATE_READ_MOUSE;
memcpy(func_data, tmp + 5, 4);
setConnectedDevice(MAPLE_FUNC_MOUSE);
} else if (func & MAPLE_FUNC_KEYBOARD) {
state = STATE_READ_KEYBOARD;
setConnectedDevice(MAPLE_FUNC_KEYBOARD);
}
}
@ -369,6 +447,54 @@ static void dcReadPad(void)
last_built_report[0][5] = tmp[9] ^ 0xff;
}
break;
case STATE_READ_KEYBOARD:
{
maple_sendFrame1W(MAPLE_CMD_GET_CONDITION,
MAPLE_ADDR_PORTB | MAPLE_ADDR_MAIN,
MAPLE_DC_ADDR | MAPLE_ADDR_PORTB,
MAPLE_FUNC_KEYBOARD);
v = maple_receiveFrame(tmp, 30);
if (v<=0) {
err_count++;
if (err_count > MAX_ERRORS) {
state = STATE_GET_INFO;
}
return;
}
err_count = 0;
if (v < 16)
return;
// Dreamcast data
//
// 8 : shift
// 9 : led
// 10 : key
// 11 : key
// 12 : key
// 13 : key
// 14 : key
// 15 : key
//
//
// The keycodes sent by the Dreamcast keyboards
// do not require any translation ; they are usable as-is.
//
// Compare http://mc.pp.se/dc/kbd.html and
// the USB HID Usage Table document table (10 Keyboard/Keypad Page (0x07))
//
last_built_report[0][0] = tmp[8]; // shift keys
last_built_report[0][1] = 0; // Reserved
last_built_report[0][2] = tmp[10];
last_built_report[0][3] = tmp[11];
last_built_report[0][4] = tmp[12];
last_built_report[0][5] = tmp[13];
}
break;
}
}