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-rw-r--r--vusb/host.c487
-rw-r--r--vusb/host_vusb.h6
2 files changed, 493 insertions, 0 deletions
diff --git a/vusb/host.c b/vusb/host.c
new file mode 100644
index 0000000000..a32a1b17eb
--- /dev/null
+++ b/vusb/host.c
@@ -0,0 +1,487 @@
+#include "usbdrv.h"
+#include "usbconfig.h"
+#include "print.h"
+#include "usb_keycodes.h"
+#include "host.h"
+#include "host_vusb.h"
+#include "debug.h"
+
+
+static report_keyboard_t report0;
+static report_keyboard_t report1;
+report_keyboard_t *keyboard_report = &report0;
+report_keyboard_t *keyboard_report_prev = &report1;
+
+static uint8_t keyboard_leds = 0;
+static uchar idleRate = 0;
+
+uint8_t host_keyboard_leds(void)
+{
+ return keyboard_leds;
+}
+
+
+/*------------------------------------------------------------------*
+ * Keyboard report operations
+ *------------------------------------------------------------------*/
+void host_add_key(uint8_t code)
+{
+ int8_t i = 0;
+ int8_t empty = -1;
+ for (; i < REPORT_KEYS; i++) {
+ if (keyboard_report_prev->keys[i] == code) {
+ keyboard_report->keys[i] = code;
+ break;
+ }
+ if (empty == -1 && keyboard_report_prev->keys[i] == KB_NO && keyboard_report->keys[i] == KB_NO) {
+ empty = i;
+ }
+ }
+ if (i == REPORT_KEYS && empty != -1) {
+ keyboard_report->keys[empty] = code;
+ }
+}
+
+void host_add_mod_bit(uint8_t mod)
+{
+ keyboard_report->mods |= mod;
+}
+
+void host_set_mods(uint8_t mods)
+{
+ keyboard_report->mods = mods;
+}
+
+void host_add_code(uint8_t code)
+{
+ if (IS_MOD(code)) {
+ host_add_mod_bit(MOD_BIT(code));
+ } else {
+ host_add_key(code);
+ }
+}
+
+void host_swap_keyboard_report(void)
+{
+ report_keyboard_t *tmp = keyboard_report_prev;
+ keyboard_report_prev = keyboard_report;
+ keyboard_report = tmp;
+}
+
+void host_clear_keyboard_report(void)
+{
+ keyboard_report->mods = 0;
+ for (int8_t i = 0; i < REPORT_KEYS; i++) {
+ keyboard_report->keys[i] = 0;
+ }
+}
+
+uint8_t host_has_anykey(void)
+{
+ uint8_t cnt = 0;
+ for (int i = 0; i < REPORT_KEYS; i++) {
+ if (keyboard_report->keys[i])
+ cnt++;
+ }
+ return cnt;
+}
+
+uint8_t *host_get_keys(void)
+{
+ return keyboard_report->keys;
+}
+
+uint8_t host_get_mods(void)
+{
+ return keyboard_report->mods;
+}
+
+
+/*------------------------------------------------------------------*
+ * 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;
+
+void host_vusb_keyboard_send(void)
+{
+ while (usbInterruptIsReady() && kbuf_head != kbuf_tail) {
+ usbSetInterrupt((void *)&kbuf[kbuf_tail], sizeof(report_keyboard_t));
+ kbuf_tail = (kbuf_tail + 1) % KBUF_SIZE;
+ }
+}
+
+void host_send_keyboard_report(void)
+{
+ uint8_t next = (kbuf_head + 1) % KBUF_SIZE;
+ if (next != kbuf_tail) {
+ kbuf[kbuf_head] = *keyboard_report;
+ kbuf_head = next;
+ } else {
+ debug("kbuf: full\n");
+ }
+}
+
+
+void host_mouse_send(report_mouse_t *report)
+{
+ if (usbInterruptIsReady3()) {
+ usbSetInterrupt3((void *)report, sizeof(*report));
+ } else {
+ debug("Int3 not ready\n");
+ }
+}
+
+
+
+/*------------------------------------------------------------------*
+ * 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;
+ return sizeof(*keyboard_report);
+ }else if(rq->bRequest == USBRQ_HID_GET_IDLE){
+ debug(" GET_IDLE: ");
+ debug_hex(idleRate);
+ usbMsgPtr = &idleRate;
+ return 1;
+ }else if(rq->bRequest == USBRQ_HID_SET_IDLE){
+ idleRate = rq->wValue.bytes[1];
+ debug(" SET_IDLE: ");
+ debug_hex(idleRate);
+ }else if(rq->bRequest == USBRQ_HID_SET_REPORT){
+ //debug(" SET_REPORT: ");
+ if (rq->wValue.word == 0x0200 && rq->wIndex.word == 0) {
+ last_req.kind = SET_LED;
+ last_req.len = rq->wLength.word;
+ }
+ return USB_NO_MSG; // to get data in usbFunctionWrite
+ }
+ debug("\n");
+ }else{
+ debug("VENDOR\n");
+ /* no vendor specific requests implemented */
+ }
+ 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\n");
+ 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[] = {
+ /* from HID 1.11 spec example */
+ 0x05, 0x01, // Usage Page (Generic Desktop),
+ 0x09, 0x02, // Usage (Mouse),
+ 0xA1, 0x01, // Collection (Application),
+ 0x09, 0x01, // Usage (Pointer),
+ 0xA1, 0x00, // Collection (Physical),
+ 0x05, 0x09, // Usage Page (Buttons),
+ 0x19, 0x01, // Usage Minimum (01),
+ 0x29, 0x03, // Usage Maximun (03),
+ 0x15, 0x00, // Logical Minimum (0),
+ 0x25, 0x01, // Logical Maximum (1),
+ 0x95, 0x03, // Report Count (3),
+ 0x75, 0x01, // Report Size (1),
+ 0x81, 0x02, // Input (Data, Variable, Absolute), ;3 button bits
+ 0x95, 0x01, // Report Count (1),
+ 0x75, 0x05, // Report Size (5),
+ 0x81, 0x01, // Input (Constant), ;5 bit padding
+ 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, Variable, Relative), ;2 position bytes (X & Y)
+ 0xC0, // End Collection,
+ 0xC0, // End Collection
+/*
+ 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
+ 0x09, 0x02, // USAGE (Mouse)
+ 0xa1, 0x01, // COLLECTION (Application)
+ 0x09, 0x02, // USAGE (Mouse)
+ 0xa1, 0x02, // COLLECTION (Logical)
+ 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)
+ // ------------------------------ Padding
+ 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)
+ 0xa1, 0x02, // COLLECTION (Logical)
+ // ------------------------------ Vertical wheel res multiplier
+ 0x09, 0x48, // USAGE (Resolution Multiplier)
+ 0x15, 0x00, // LOGICAL_MINIMUM (0)
+ 0x25, 0x01, // LOGICAL_MAXIMUM (1)
+ 0x35, 0x01, // PHYSICAL_MINIMUM (1)
+ 0x45, 0x04, // PHYSICAL_MAXIMUM (4)
+ 0x75, 0x02, // REPORT_SIZE (2)
+ 0x95, 0x01, // REPORT_COUNT (1)
+ 0xa4, // PUSH
+ 0xb1, 0x02, // FEATURE (Data,Var,Abs)
+ // ------------------------------ 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)
+ 0x81, 0x06, // INPUT (Data,Var,Rel)
+ 0xc0, // END_COLLECTION
+ 0xa1, 0x02, // COLLECTION (Logical)
+ // ------------------------------ Horizontal wheel res multiplier
+ 0x09, 0x48, // USAGE (Resolution Multiplier)
+ 0xb4, // POP
+ 0xb1, 0x02, // FEATURE (Data,Var,Abs)
+ // ------------------------------ Padding for Feature report
+ 0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
+ 0x45, 0x00, // PHYSICAL_MAXIMUM (0)
+ 0x75, 0x04, // REPORT_SIZE (4)
+ 0xb1, 0x03, // FEATURE (Cnst,Var,Abs)
+ // ------------------------------ 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)
+ 0x81, 0x06, // INPUT (Data,Var,Rel)
+ 0xc0, // END_COLLECTION
+ 0xc0, // END_COLLECTION
+ 0xc0, // END_COLLECTION
+ 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:
+ usbMsgPtr = (unsigned char *)(usbDescriptorConfiguration + 18);
+ len = 9;
+ 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;
+}
diff --git a/vusb/host_vusb.h b/vusb/host_vusb.h
new file mode 100644
index 0000000000..f09ad58228
--- /dev/null
+++ b/vusb/host_vusb.h
@@ -0,0 +1,6 @@
+#ifndef HOST_VUSB_H
+#define HOST_VUSB_H
+
+void host_vusb_keyboard_send(void);
+
+#endif