-/*
-Copyright 2011 Jun Wako <wakojun@gmail.com>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <stdint.h>
-#include "usbdrv.h"
-#include "usbconfig.h"
-#include "host.h"
-#include "report.h"
-#include "print.h"
-#include "debug.h"
-#include "host_driver.h"
-#include "vusb.h"
-
-
-static uint8_t vusb_keyboard_leds = 0;
-static uint8_t vusb_idle_rate = 0;
-
-/* Keyboard report send buffer */
-#define KBUF_SIZE 16
-static report_keyboard_t kbuf[KBUF_SIZE];
-static uint8_t kbuf_head = 0;
-static uint8_t kbuf_tail = 0;
-
-
-/* transfer keyboard report from buffer */
-void vusb_transfer_keyboard(void)
-{
- if (usbInterruptIsReady()) {
- if (kbuf_head != kbuf_tail) {
- usbSetInterrupt((void *)&kbuf[kbuf_tail], sizeof(report_keyboard_t));
- kbuf_tail = (kbuf_tail + 1) % KBUF_SIZE;
- }
- }
-}
-
-
-/*------------------------------------------------------------------*
- * Host driver
- *------------------------------------------------------------------*/
-static uint8_t keyboard_leds(void);
-static void send_keyboard(report_keyboard_t *report);
-static void send_mouse(report_mouse_t *report);
-static void send_system(uint16_t data);
-static void send_consumer(uint16_t data);
-
-static host_driver_t driver = {
- keyboard_leds,
- send_keyboard,
- send_mouse,
- send_system,
- send_consumer
-};
-
-host_driver_t *vusb_driver(void)
-{
- return &driver;
-}
-
-static uint8_t keyboard_leds(void) {
- return vusb_keyboard_leds;
-}
-
-static void send_keyboard(report_keyboard_t *report)
-{
- uint8_t next = (kbuf_head + 1) % KBUF_SIZE;
- if (next != kbuf_tail) {
- kbuf[kbuf_head] = *report;
- kbuf_head = next;
- } else {
- debug("kbuf: full\n");
- }
-}
-
-
-static void send_mouse(report_mouse_t *report)
-{
- report->report_id = REPORT_ID_MOUSE;
- if (usbInterruptIsReady3()) {
- usbSetInterrupt3((void *)report, sizeof(*report));
- }
-}
-
-static void send_system(uint16_t data)
-{
- // Not need static?
- static uint8_t report[] = { REPORT_ID_SYSTEM, 0, 0 };
- report[1] = data&0xFF;
- report[2] = (data>>8)&0xFF;
- if (usbInterruptIsReady3()) {
- usbSetInterrupt3((void *)&report, sizeof(report));
- }
-}
-
-static void send_consumer(uint16_t data)
-{
- static uint16_t last_data = 0;
- if (data == last_data) return;
- last_data = data;
-
- // Not need static?
- static uint8_t report[] = { REPORT_ID_CONSUMER, 0, 0 };
- report[1] = data&0xFF;
- report[2] = (data>>8)&0xFF;
- if (usbInterruptIsReady3()) {
- usbSetInterrupt3((void *)&report, sizeof(report));
- }
-}
-
-
-
-/*------------------------------------------------------------------*
- * Request from host *
- *------------------------------------------------------------------*/
-static struct {
- uint16_t len;
- enum {
- NONE,
- SET_LED
- } kind;
-} last_req;
-
-usbMsgLen_t usbFunctionSetup(uchar data[8])
-{
-usbRequest_t *rq = (void *)data;
-
- if((rq->bmRequestType & USBRQ_TYPE_MASK) == USBRQ_TYPE_CLASS){ /* class request type */
- if(rq->bRequest == USBRQ_HID_GET_REPORT){
- debug("GET_REPORT:");
- /* we only have one report type, so don't look at wValue */
- usbMsgPtr = (void *)keyboard_report_prev;
- return sizeof(*keyboard_report_prev);
- }else if(rq->bRequest == USBRQ_HID_GET_IDLE){
- debug("GET_IDLE: ");
- //debug_hex(vusb_idle_rate);
- usbMsgPtr = &vusb_idle_rate;
- return 1;
- }else if(rq->bRequest == USBRQ_HID_SET_IDLE){
- vusb_idle_rate = rq->wValue.bytes[1];
- debug("SET_IDLE: ");
- debug_hex(vusb_idle_rate);
- }else if(rq->bRequest == USBRQ_HID_SET_REPORT){
- debug("SET_REPORT: ");
- // Report Type: 0x02(Out)/ReportID: 0x00(none) && Interface: 0(keyboard)
- if (rq->wValue.word == 0x0200 && rq->wIndex.word == 0) {
- debug("SET_LED: ");
- last_req.kind = SET_LED;
- last_req.len = rq->wLength.word;
- }
- return USB_NO_MSG; // to get data in usbFunctionWrite
- } else {
- debug("UNKNOWN:");
- }
- }else{
- debug("VENDOR:");
- /* no vendor specific requests implemented */
- }
- debug("\n");
- return 0; /* default for not implemented requests: return no data back to host */
-}
-
-uchar usbFunctionWrite(uchar *data, uchar len)
-{
- if (last_req.len == 0) {
- return -1;
- }
- switch (last_req.kind) {
- case SET_LED:
- debug("SET_LED: ");
- debug_hex(data[0]);
- debug("\n");
- vusb_keyboard_leds = data[0];
- last_req.len = 0;
- return 1;
- break;
- case NONE:
- default:
- return -1;
- break;
- }
- return 1;
-}
-
-
-
-/*------------------------------------------------------------------*
- * Descriptors *
- *------------------------------------------------------------------*/
-
-/*
- * Report Descriptor for keyboard
- *
- * from an example in HID spec appendix
- */
-PROGMEM uchar keyboard_hid_report[] = {
- 0x05, 0x01, // Usage Page (Generic Desktop),
- 0x09, 0x06, // Usage (Keyboard),
- 0xA1, 0x01, // Collection (Application),
- 0x75, 0x01, // Report Size (1),
- 0x95, 0x08, // Report Count (8),
- 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),
- 0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
- 0x95, 0x01, // Report Count (1),
- 0x75, 0x08, // Report Size (8),
- 0x81, 0x03, // Input (Constant), ;Reserved byte
- 0x95, 0x05, // Report Count (5),
- 0x75, 0x01, // Report Size (1),
- 0x05, 0x08, // Usage Page (LEDs),
- 0x19, 0x01, // Usage Minimum (1),
- 0x29, 0x05, // Usage Maximum (5),
- 0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
- 0x95, 0x01, // Report Count (1),
- 0x75, 0x03, // Report Size (3),
- 0x91, 0x03, // Output (Constant), ;LED report padding
- 0x95, 0x06, // Report Count (6),
- 0x75, 0x08, // Report Size (8),
- 0x15, 0x00, // Logical Minimum (0),
- 0x25, 0xFF, // Logical Maximum(255),
- 0x05, 0x07, // Usage Page (Key Codes),
- 0x19, 0x00, // Usage Minimum (0),
- 0x29, 0xFF, // Usage Maximum (255),
- 0x81, 0x00, // Input (Data, Array),
- 0xc0 // End Collection
-};
-
-/*
- * Report Descriptor for mouse
- *
- * Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
- * http://www.microchip.com/forums/tm.aspx?high=&m=391435&mpage=1#391521
- * http://www.keil.com/forum/15671/
- * http://www.microsoft.com/whdc/device/input/wheel.mspx
- */
-PROGMEM uchar mouse_hid_report[] = {
- /* mouse */
- 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
- 0x09, 0x02, // USAGE (Mouse)
- 0xa1, 0x01, // COLLECTION (Application)
- 0x85, REPORT_ID_MOUSE, // REPORT_ID (1)
- 0x09, 0x01, // USAGE (Pointer)
- 0xa1, 0x00, // COLLECTION (Physical)
- // ---------------------------- Buttons
- 0x05, 0x09, // USAGE_PAGE (Button)
- 0x19, 0x01, // USAGE_MINIMUM (Button 1)
- 0x29, 0x05, // USAGE_MAXIMUM (Button 5)
- 0x15, 0x00, // LOGICAL_MINIMUM (0)
- 0x25, 0x01, // LOGICAL_MAXIMUM (1)
- 0x75, 0x01, // REPORT_SIZE (1)
- 0x95, 0x05, // REPORT_COUNT (5)
- 0x81, 0x02, // INPUT (Data,Var,Abs)
- 0x75, 0x03, // REPORT_SIZE (3)
- 0x95, 0x01, // REPORT_COUNT (1)
- 0x81, 0x03, // INPUT (Cnst,Var,Abs)
- // ---------------------------- X,Y position
- 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
- 0x09, 0x30, // USAGE (X)
- 0x09, 0x31, // USAGE (Y)
- 0x15, 0x81, // LOGICAL_MINIMUM (-127)
- 0x25, 0x7f, // LOGICAL_MAXIMUM (127)
- 0x75, 0x08, // REPORT_SIZE (8)
- 0x95, 0x02, // REPORT_COUNT (2)
- 0x81, 0x06, // INPUT (Data,Var,Rel)
- // ---------------------------- Vertical wheel
- 0x09, 0x38, // USAGE (Wheel)
- 0x15, 0x81, // LOGICAL_MINIMUM (-127)
- 0x25, 0x7f, // LOGICAL_MAXIMUM (127)
- 0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
- 0x45, 0x00, // PHYSICAL_MAXIMUM (0)
- 0x75, 0x08, // REPORT_SIZE (8)
- 0x95, 0x01, // REPORT_COUNT (1)
- 0x81, 0x06, // INPUT (Data,Var,Rel)
- // ---------------------------- Horizontal wheel
- 0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
- 0x0a, 0x38, 0x02, // USAGE (AC Pan)
- 0x15, 0x81, // LOGICAL_MINIMUM (-127)
- 0x25, 0x7f, // LOGICAL_MAXIMUM (127)
- 0x75, 0x08, // REPORT_SIZE (8)
- 0x95, 0x01, // REPORT_COUNT (1)
- 0x81, 0x06, // INPUT (Data,Var,Rel)
- 0xc0, // END_COLLECTION
- 0xc0, // END_COLLECTION
- /* system control */
- 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
- 0x09, 0x80, // USAGE (System Control)
- 0xa1, 0x01, // COLLECTION (Application)
- 0x85, REPORT_ID_SYSTEM, // REPORT_ID (2)
- 0x15, 0x01, // LOGICAL_MINIMUM (0x1)
- 0x25, 0xb7, // LOGICAL_MAXIMUM (0xb7)
- 0x19, 0x01, // USAGE_MINIMUM (0x1)
- 0x29, 0xb7, // USAGE_MAXIMUM (0xb7)
- 0x75, 0x10, // REPORT_SIZE (16)
- 0x95, 0x01, // REPORT_COUNT (1)
- 0x81, 0x00, // INPUT (Data,Array,Abs)
- 0xc0, // END_COLLECTION
- /* consumer */
- 0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
- 0x09, 0x01, // USAGE (Consumer Control)
- 0xa1, 0x01, // COLLECTION (Application)
- 0x85, REPORT_ID_CONSUMER, // REPORT_ID (3)
- 0x15, 0x01, // LOGICAL_MINIMUM (0x1)
- 0x26, 0x9c, 0x02, // LOGICAL_MAXIMUM (0x29c)
- 0x19, 0x01, // USAGE_MINIMUM (0x1)
- 0x2a, 0x9c, 0x02, // USAGE_MAXIMUM (0x29c)
- 0x75, 0x10, // REPORT_SIZE (16)
- 0x95, 0x01, // REPORT_COUNT (1)
- 0x81, 0x00, // INPUT (Data,Array,Abs)
- 0xc0, // END_COLLECTION
-};
-
-
-/*
- * Descriptor for compite device: Keyboard + Mouse
- *
- * contains: device, interface, HID and endpoint descriptors
- */
-#if USB_CFG_DESCR_PROPS_CONFIGURATION
-PROGMEM char usbDescriptorConfiguration[] = { /* USB configuration descriptor */
- 9, /* sizeof(usbDescriptorConfiguration): length of descriptor in bytes */
- USBDESCR_CONFIG, /* descriptor type */
- 9 + (9 + 9 + 7) + (9 + 9 + 7), 0,
- //18 + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT3 + 9, 0,
- /* total length of data returned (including inlined descriptors) */
- 2, /* number of interfaces in this configuration */
- 1, /* index of this configuration */
- 0, /* configuration name string index */
-#if USB_CFG_IS_SELF_POWERED
- (1 << 7) | USBATTR_SELFPOWER, /* attributes */
-#else
- (1 << 7), /* attributes */
-#endif
- USB_CFG_MAX_BUS_POWER/2, /* max USB current in 2mA units */
-
- /*
- * Keyboard interface
- */
- /* Interface descriptor */
- 9, /* sizeof(usbDescrInterface): length of descriptor in bytes */
- USBDESCR_INTERFACE, /* descriptor type */
- 0, /* index of this interface */
- 0, /* alternate setting for this interface */
- USB_CFG_HAVE_INTRIN_ENDPOINT, /* endpoints excl 0: number of endpoint descriptors to follow */
- USB_CFG_INTERFACE_CLASS,
- USB_CFG_INTERFACE_SUBCLASS,
- USB_CFG_INTERFACE_PROTOCOL,
- 0, /* string index for interface */
- /* HID descriptor */
- 9, /* sizeof(usbDescrHID): length of descriptor in bytes */
- USBDESCR_HID, /* descriptor type: HID */
- 0x01, 0x01, /* BCD representation of HID version */
- 0x00, /* target country code */
- 0x01, /* number of HID Report (or other HID class) Descriptor infos to follow */
- 0x22, /* descriptor type: report */
- sizeof(keyboard_hid_report), 0, /* total length of report descriptor */
- /* Endpoint descriptor */
-#if USB_CFG_HAVE_INTRIN_ENDPOINT /* endpoint descriptor for endpoint 1 */
- 7, /* sizeof(usbDescrEndpoint) */
- USBDESCR_ENDPOINT, /* descriptor type = endpoint */
- (char)0x81, /* IN endpoint number 1 */
- 0x03, /* attrib: Interrupt endpoint */
- 8, 0, /* maximum packet size */
- USB_CFG_INTR_POLL_INTERVAL, /* in ms */
-#endif
-
- /*
- * Mouse interface
- */
- /* Interface descriptor */
- 9, /* sizeof(usbDescrInterface): length of descriptor in bytes */
- USBDESCR_INTERFACE, /* descriptor type */
- 1, /* index of this interface */
- 0, /* alternate setting for this interface */
- USB_CFG_HAVE_INTRIN_ENDPOINT3, /* endpoints excl 0: number of endpoint descriptors to follow */
- 0x03, /* CLASS: HID */
- 0, /* SUBCLASS: none */
- 0, /* PROTOCOL: none */
- 0, /* string index for interface */
- /* HID descriptor */
- 9, /* sizeof(usbDescrHID): length of descriptor in bytes */
- USBDESCR_HID, /* descriptor type: HID */
- 0x01, 0x01, /* BCD representation of HID version */
- 0x00, /* target country code */
- 0x01, /* number of HID Report (or other HID class) Descriptor infos to follow */
- 0x22, /* descriptor type: report */
- sizeof(mouse_hid_report), 0, /* total length of report descriptor */
-#if USB_CFG_HAVE_INTRIN_ENDPOINT3 /* endpoint descriptor for endpoint 3 */
- /* Endpoint descriptor */
- 7, /* sizeof(usbDescrEndpoint) */
- USBDESCR_ENDPOINT, /* descriptor type = endpoint */
- (char)(0x80 | USB_CFG_EP3_NUMBER), /* IN endpoint number 3 */
- 0x03, /* attrib: Interrupt endpoint */
- 8, 0, /* maximum packet size */
- USB_CFG_INTR_POLL_INTERVAL, /* in ms */
-#endif
-};
-#endif
-
-
-USB_PUBLIC usbMsgLen_t usbFunctionDescriptor(struct usbRequest *rq)
-{
- usbMsgLen_t len = 0;
-
-/*
- debug("usbFunctionDescriptor: ");
- debug_hex(rq->bmRequestType); debug(" ");
- debug_hex(rq->bRequest); debug(" ");
- debug_hex16(rq->wValue.word); debug(" ");
- debug_hex16(rq->wIndex.word); debug(" ");
- debug_hex16(rq->wLength.word); debug("\n");
-*/
- switch (rq->wValue.bytes[1]) {
-#if USB_CFG_DESCR_PROPS_CONFIGURATION
- case USBDESCR_CONFIG:
- usbMsgPtr = (unsigned char *)usbDescriptorConfiguration;
- len = sizeof(usbDescriptorConfiguration);
- break;
-#endif
- case USBDESCR_HID:
- switch (rq->wValue.bytes[0]) {
- case 0:
- usbMsgPtr = (unsigned char *)(usbDescriptorConfiguration + 9 + 9);
- len = 9;
- break;
- case 1:
- usbMsgPtr = (unsigned char *)(usbDescriptorConfiguration + 9 + (9 + 9 + 7) + 9);
- len = 9;
- break;
- }
- break;
- case USBDESCR_HID_REPORT:
- /* interface index */
- switch (rq->wIndex.word) {
- case 0:
- usbMsgPtr = keyboard_hid_report;
- len = sizeof(keyboard_hid_report);
- break;
- case 1:
- usbMsgPtr = mouse_hid_report;
- len = sizeof(mouse_hid_report);
- break;
- }
- break;
- }
- //debug("desc len: "); debug_hex(len); debug("\n");
- return len;
-}