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@ -21,6 +21,8 @@ |
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* THE SOFTWARE. |
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*/ |
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#include <stdint.h> |
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#include <stdbool.h> |
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#include <avr/io.h> |
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#include <avr/pgmspace.h> |
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#include <avr/interrupt.h> |
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@ -82,6 +84,9 @@ |
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#define ENDPOINT0_SIZE 32 |
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bool remote_wakeup = false; |
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bool suspend = false; |
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// 0:control endpoint is enabled automatically by controller. |
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static const uint8_t PROGMEM endpoint_config_table[] = { |
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// enable, UECFG0X(type, direction), UECFG1X(size, bank, allocation) |
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@ -250,7 +255,7 @@ static uint8_t PROGMEM debug_hid_report_desc[] = { |
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0xC0 // end collection |
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}; |
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// audio controls(consumer page) |
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// audio controls & system controls |
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// http://www.microsoft.com/whdc/archive/w2kbd.mspx |
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static uint8_t PROGMEM extra_hid_report_desc[] = { |
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0x05, 0x0c, // USAGE_PAGE (Consumer Devices) |
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@ -272,6 +277,18 @@ static uint8_t PROGMEM extra_hid_report_desc[] = { |
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0x81, 0x06, // INPUT (Data,Var,Rel) |
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0x95, 0x05, // REPORT_COUNT (5) |
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0x81, 0x07, // INPUT (Cnst,Var,Abs) |
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0xc0, // END_COLLECTION |
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0x05, 0x01, // USAGE_PAGE (Generic Desktop) |
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0x09, 0x80, // USAGE (System Control) |
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0xa1, 0x01, // COLLECTION (Application) |
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0x85, 0x02, // REPORT_ID (2) |
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0x19, 0x81, // USAGE_MINIMUM (System Power Down) |
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0x29, 0x83, // USAGE_MAXIMUM (System Wake Up) |
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0x95, 0x03, // REPORT_COUNT (3) |
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0x81, 0x06, // INPUT (Data,Var,Rel) |
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0x95, 0x05, // REPORT_COUNT (5) |
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0x81, 0x07, // INPUT (Cnst,Var,Rel) |
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0xc0 // END_COLLECTION |
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}; |
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@ -289,7 +306,7 @@ static uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = { |
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4, // bNumInterfaces |
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1, // bConfigurationValue |
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0, // iConfiguration |
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0xC0, // bmAttributes |
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0xA0, // bmAttributes |
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50, // bMaxPower |
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// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 |
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@ -484,7 +501,7 @@ void usb_init(void) |
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USB_CONFIG(); // start USB clock |
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UDCON = 0; // enable attach resistor |
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usb_configuration = 0; |
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UDIEN = (1<<EORSTE)|(1<<SOFE); |
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UDIEN = (1<<EORSTE)|(1<<SOFE)|(1<<SUSPE); |
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sei(); |
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} |
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@ -492,7 +509,12 @@ void usb_init(void) |
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// number selected by the HOST |
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uint8_t usb_configured(void) |
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{ |
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return usb_configuration; |
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return usb_configuration && !suspend; |
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} |
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void usb_remote_wakeup(void) |
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{ |
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UDCON |= (1<<RMWKUP); |
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} |
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@ -515,6 +537,11 @@ ISR(USB_GEN_vect) |
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intbits = UDINT; |
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UDINT = 0; |
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if (intbits & (1<<SUSPI)) { |
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suspend = true; |
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} else { |
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suspend = false; |
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} |
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if (intbits & (1<<EORSTI)) { |
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UENUM = 0; |
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UECONX = 1; |
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@ -693,9 +720,9 @@ ISR(USB_COM_vect) |
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usb_send_in(); |
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return; |
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} |
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#ifdef SUPPORT_ENDPOINT_HALT |
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if ((bRequest == CLEAR_FEATURE || bRequest == SET_FEATURE) |
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&& bmRequestType == 0x02 && wValue == 0) { |
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if (bRequest == CLEAR_FEATURE || bRequest == SET_FEATURE) { |
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#ifdef SUPPORT_ENDPOINT_HALT |
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if (bmRequestType == 0x02 && wValue == ENDPOINT_HALT) { |
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i = wIndex & 0x7F; |
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if (i >= 1 && i <= MAX_ENDPOINT) { |
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usb_send_in(); |
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@ -709,8 +736,18 @@ ISR(USB_COM_vect) |
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} |
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return; |
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} |
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} |
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#endif |
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if (bmRequestType == 0x00 && wValue == DEVICE_REMOTE_WAKEUP) { |
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if (bRequest == SET_FEATURE) { |
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remote_wakeup = true; |
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} else { |
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remote_wakeup = false; |
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} |
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usb_send_in(); |
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return; |
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} |
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} |
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#endif |
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if (wIndex == KEYBOARD_INTERFACE) { |
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if (bmRequestType == 0xA1) { |
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if (bRequest == HID_GET_REPORT) { |
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