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