Point Labs
adds a USB serial port to your design
Dependents: Example_WatchDog_Timer
Diff: USBHID/USBHID.cpp
- Revision:
- 82:584b0afbd742
- Parent:
- 81:0ecf1a603426
--- a/USBHID/USBHID.cpp Wed Feb 20 20:54:28 2019 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,279 +0,0 @@
-/* Copyright (c) 2010-2011 mbed.org, MIT License
-*
-* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
-* and associated documentation files (the "Software"), to deal in the Software without
-* restriction, including without limitation the rights to use, copy, modify, merge, publish,
-* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
-* Software is furnished to do so, subject to the following conditions:
-*
-* The above copyright notice and this permission notice shall be included in all copies or
-* substantial portions of the Software.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
-* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include "stdint.h"
-#include "USBHAL.h"
-#include "USBHID.h"
-
-
-USBHID::USBHID(uint8_t output_report_length, uint8_t input_report_length, uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect): USBDevice(vendor_id, product_id, product_release)
-{
- output_length = output_report_length;
- input_length = input_report_length;
- if(connect) {
- USBDevice::connect();
- }
-}
-
-
-bool USBHID::send(HID_REPORT *report)
-{
- return write(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE);
-}
-
-bool USBHID::sendNB(HID_REPORT *report)
-{
- return writeNB(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE);
-}
-
-
-bool USBHID::read(HID_REPORT *report)
-{
- uint32_t bytesRead = 0;
- bool result;
- result = USBDevice::readEP(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE);
- if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE))
- return false;
- report->length = bytesRead;
- return result;
-}
-
-
-bool USBHID::readNB(HID_REPORT *report)
-{
- uint32_t bytesRead = 0;
- bool result;
- result = USBDevice::readEP_NB(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE);
- // if readEP_NB did not succeed, does not issue a readStart
- if (!result)
- return false;
- report->length = bytesRead;
- if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE))
- return false;
- return result;
-}
-
-
-uint16_t USBHID::reportDescLength() {
- reportDesc();
- return reportLength;
-}
-
-
-
-//
-// Route callbacks from lower layers to class(es)
-//
-
-
-// Called in ISR context
-// Called by USBDevice on Endpoint0 request
-// This is used to handle extensions to standard requests
-// and class specific requests
-// Return true if class handles this request
-bool USBHID::USBCallback_request() {
- bool success = false;
- CONTROL_TRANSFER * transfer = getTransferPtr();
- uint8_t *hidDescriptor;
-
- // Process additional standard requests
-
- if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE))
- {
- switch (transfer->setup.bRequest)
- {
- case GET_DESCRIPTOR:
- switch (DESCRIPTOR_TYPE(transfer->setup.wValue))
- {
- case REPORT_DESCRIPTOR:
- if ((reportDesc() != NULL) \
- && (reportDescLength() != 0))
- {
- transfer->remaining = reportDescLength();
- transfer->ptr = reportDesc();
- transfer->direction = DEVICE_TO_HOST;
- success = true;
- }
- break;
- case HID_DESCRIPTOR:
- // Find the HID descriptor, after the configuration descriptor
- hidDescriptor = findDescriptor(HID_DESCRIPTOR);
- if (hidDescriptor != NULL)
- {
- transfer->remaining = HID_DESCRIPTOR_LENGTH;
- transfer->ptr = hidDescriptor;
- transfer->direction = DEVICE_TO_HOST;
- success = true;
- }
- break;
-
- default:
- break;
- }
- break;
- default:
- break;
- }
- }
-
- // Process class-specific requests
-
- if (transfer->setup.bmRequestType.Type == CLASS_TYPE)
- {
- switch (transfer->setup.bRequest)
- {
- case SET_REPORT:
- // First byte will be used for report ID
- outputReport.data[0] = transfer->setup.wValue & 0xff;
- outputReport.length = transfer->setup.wLength + 1;
-
- transfer->remaining = sizeof(outputReport.data) - 1;
- transfer->ptr = &outputReport.data[1];
- transfer->direction = HOST_TO_DEVICE;
- transfer->notify = true;
- success = true;
- default:
- break;
- }
- }
-
- return success;
-}
-
-
-#define DEFAULT_CONFIGURATION (1)
-
-
-// Called in ISR context
-// Set configuration. Return false if the
-// configuration is not supported
-bool USBHID::USBCallback_setConfiguration(uint8_t configuration) {
- if (configuration != DEFAULT_CONFIGURATION) {
- return false;
- }
-
- // Configure endpoints > 0
- addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT);
- addEndpoint(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
-
- // We activate the endpoint to be able to recceive data
- readStart(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
- return true;
-}
-
-
-uint8_t * USBHID::stringIinterfaceDesc() {
- static uint8_t stringIinterfaceDescriptor[] = {
- 0x08, //bLength
- STRING_DESCRIPTOR, //bDescriptorType 0x03
- 'H',0,'I',0,'D',0, //bString iInterface - HID
- };
- return stringIinterfaceDescriptor;
-}
-
-uint8_t * USBHID::stringIproductDesc() {
- static uint8_t stringIproductDescriptor[] = {
- 0x16, //bLength
- STRING_DESCRIPTOR, //bDescriptorType 0x03
- 'H',0,'I',0,'D',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 //bString iProduct - HID device
- };
- return stringIproductDescriptor;
-}
-
-
-
-uint8_t * USBHID::reportDesc() {
- static uint8_t reportDescriptor[] = {
- USAGE_PAGE(2), LSB(0xFFAB), MSB(0xFFAB),
- USAGE(2), LSB(0x0200), MSB(0x0200),
- COLLECTION(1), 0x01, // Collection (Application)
-
- REPORT_SIZE(1), 0x08, // 8 bits
- LOGICAL_MINIMUM(1), 0x00,
- LOGICAL_MAXIMUM(1), 0xFF,
-
- REPORT_COUNT(1), input_length,
- USAGE(1), 0x01,
- INPUT(1), 0x02, // Data, Var, Abs
-
- REPORT_COUNT(1), output_length,
- USAGE(1), 0x02,
- OUTPUT(1), 0x02, // Data, Var, Abs
-
- END_COLLECTION(0),
- };
- reportLength = sizeof(reportDescriptor);
- return reportDescriptor;
-}
-
-#define DEFAULT_CONFIGURATION (1)
-#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \
- + (1 * INTERFACE_DESCRIPTOR_LENGTH) \
- + (1 * HID_DESCRIPTOR_LENGTH) \
- + (2 * ENDPOINT_DESCRIPTOR_LENGTH))
-
-uint8_t * USBHID::configurationDesc() {
- static uint8_t configurationDescriptor[] = {
- CONFIGURATION_DESCRIPTOR_LENGTH, // bLength
- CONFIGURATION_DESCRIPTOR, // bDescriptorType
- LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB)
- MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB)
- 0x01, // bNumInterfaces
- DEFAULT_CONFIGURATION, // bConfigurationValue
- 0x00, // iConfiguration
- C_RESERVED | C_SELF_POWERED, // bmAttributes
- C_POWER(0), // bMaxPower
-
- INTERFACE_DESCRIPTOR_LENGTH, // bLength
- INTERFACE_DESCRIPTOR, // bDescriptorType
- 0x00, // bInterfaceNumber
- 0x00, // bAlternateSetting
- 0x02, // bNumEndpoints
- HID_CLASS, // bInterfaceClass
- HID_SUBCLASS_NONE, // bInterfaceSubClass
- HID_PROTOCOL_NONE, // bInterfaceProtocol
- 0x00, // iInterface
-
- HID_DESCRIPTOR_LENGTH, // bLength
- HID_DESCRIPTOR, // bDescriptorType
- LSB(HID_VERSION_1_11), // bcdHID (LSB)
- MSB(HID_VERSION_1_11), // bcdHID (MSB)
- 0x00, // bCountryCode
- 0x01, // bNumDescriptors
- REPORT_DESCRIPTOR, // bDescriptorType
- (uint8_t)(LSB(reportDescLength())), // wDescriptorLength (LSB)
- (uint8_t)(MSB(reportDescLength())), // wDescriptorLength (MSB)
-
- ENDPOINT_DESCRIPTOR_LENGTH, // bLength
- ENDPOINT_DESCRIPTOR, // bDescriptorType
- PHY_TO_DESC(EPINT_IN), // bEndpointAddress
- E_INTERRUPT, // bmAttributes
- LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
- MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
- 1, // bInterval (milliseconds)
-
- ENDPOINT_DESCRIPTOR_LENGTH, // bLength
- ENDPOINT_DESCRIPTOR, // bDescriptorType
- PHY_TO_DESC(EPINT_OUT), // bEndpointAddress
- E_INTERRUPT, // bmAttributes
- LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
- MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
- 1, // bInterval (milliseconds)
- };
- return configurationDescriptor;
-}