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#ifndef ION_DEVICE_USB_CALCULATOR_H
#define ION_DEVICE_USB_CALCULATOR_H
#include <stddef.h>
#include <assert.h>
#include "dfu_interface.h"
#include "stack/device.h"
#include "stack/descriptor/bos_descriptor.h"
#include "stack/descriptor/configuration_descriptor.h"
#include "stack/descriptor/descriptor.h"
#include "stack/descriptor/device_descriptor.h"
#include "stack/descriptor/dfu_functional_descriptor.h"
#include "stack/descriptor/extended_compat_id_descriptor.h"
#include "stack/descriptor/interface_descriptor.h"
#include "stack/descriptor/language_id_string_descriptor.h"
#include "stack/descriptor/microsoft_os_string_descriptor.h"
#include "stack/descriptor/string_descriptor.h"
#include "stack/descriptor/url_descriptor.h"
#include "stack/descriptor/webusb_platform_descriptor.h"
namespace Ion {
namespace USB {
namespace Device {
class Calculator : public Device {
public:
static void PollAndReset(bool exitWithKeyboard); // Return true if reset is needed
Calculator(const char * serialNumber) :
Device(&m_dfuInterface),
m_deviceDescriptor(
0x0210, /* bcdUSB: USB Specification Number which the device complies
* to. Must be greater than 0x0200 to use the BOS. */
0, // bDeviceClass: The class is defined by the interface.
0, // bDeviceSUBClass: The subclass is defined by the interface.
0, // bDeviceProtocol: The protocol is defined by the interface.
64, // bMaxPacketSize0: Maximum packet size for endpoint 0
0x0483, // idVendor
0xA291, // idProduct
0x0100, // bcdDevice: Device Release Number
1, // iManufacturer: Index of the manufacturer name string, see m_descriptor
2, // iProduct: Index of the product name string, see m_descriptor
3, // iSerialNumber: Index of the SerialNumber string, see m_descriptor
1), // bNumConfigurations
m_dfuFunctionalDescriptor(
0b0011, /* bmAttributes:
* - bitWillDetach: If true, the device will perform a bus
* detach-attach sequence when it receives a DFU_DETACH
* request. The host must not issue a USB Reset.
* - bitManifestationTolerant: if true, the device is able to
* communicate via USB after Manifestation phase. The
* manifestation phase implies a reset in the calculator, so,
* even if the device is still plugged, it needs to be
* re-enumerated to communicate.
* - bitCanUpload
* - bitCanDnload */
0, /* wDetachTimeOut: Time, in milliseconds, that the device in APP
* mode will wait after receipt of the DFU_DETACH request before
* switching to DFU mode. It does not apply to the calculator.*/
2048, // wTransferSize: Maximum number of bytes that the device can accept per control-write transaction
0x0100),// bcdDFUVersion
m_interfaceDescriptor(
0, // bInterfaceNumber
k_dfuInterfaceAlternateSetting, // bAlternateSetting
0, // bNumEndpoints: Other than endpoint 0
0xFE, // bInterfaceClass: DFU (http://www.usb.org/developers/defined_class)
1, // bInterfaceSubClass: DFU
2, // bInterfaceProtocol: DFU Mode (not DFU Runtime, which would be 1)
4, // iInterface: Index of the Interface string, see m_descriptor
&m_dfuFunctionalDescriptor),
m_configurationDescriptor(
9 + 9 + 9, // wTotalLength: configuration descriptor + interface descriptor + dfu functional descriptor lengths
1, // bNumInterfaces
k_bConfigurationValue, // bConfigurationValue
0, // iConfiguration: No string descriptor for the configuration
0x80, /* bmAttributes:
* Bit 7: Reserved, set to 1
* Bit 6: Self Powered
* Bit 5: Remote Wakeup (allows the device to wake up the host when the host is in suspend)
* Bit 4..0: Reserved, set to 0 */
0x32, // bMaxPower: half of the Maximum Power Consumption
&m_interfaceDescriptor),
m_webUSBPlatformDescriptor(
k_webUSBVendorCode,
k_webUSBLandingPageIndex),
m_bosDescriptor(
5 + 24, // wTotalLength: BOS descriptor + webusb platform descriptor lengths
1, // bNumDeviceCapabilities
&m_webUSBPlatformDescriptor),
m_languageStringDescriptor(),
m_manufacturerStringDescriptor("NumWorks"),
m_productStringDescriptor("NumWorks Calculator"),
m_serialNumberStringDescriptor(serialNumber),
m_interfaceStringDescriptor("@Flash/0x08000000/04*016Kg,01*064Kg,07*128Kg"),
//m_interfaceStringDescriptor("@SRAM/0x20000000/01*256Ke"),
/* Switch to this descriptor to use dfu-util to write in the SRAM.
* FIXME Should be an alternate Interface. */
m_microsoftOSStringDescriptor(k_microsoftOSVendorCode),
m_workshopURLDescriptor(URLDescriptor::Scheme::HTTPS, "workshop.numworks.com"),
m_extendedCompatIdDescriptor("WINUSB"),
m_descriptors{
&m_deviceDescriptor, // Type = Device, Index = 0
&m_configurationDescriptor, // Type = Configuration, Index = 0
&m_languageStringDescriptor, // Type = String, Index = 0
&m_manufacturerStringDescriptor, // Type = String, Index = 1
&m_productStringDescriptor, // Type = String, Index = 2
&m_serialNumberStringDescriptor, // Type = String, Index = 3
&m_interfaceStringDescriptor, // Type = String, Index = 4
&m_bosDescriptor // Type = BOS, Index = 0
},
m_dfuInterface(this, &m_ep0, k_dfuInterfaceAlternateSetting)
{
}
protected:
virtual Descriptor * descriptor(uint8_t type, uint8_t index) override;
virtual void setActiveConfiguration(uint8_t configurationIndex) override {
assert(configurationIndex == k_bConfigurationValue);
}
virtual uint8_t getActiveConfiguration() override {
return k_bConfigurationValue;
}
bool processSetupInRequest(SetupPacket * request, uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength) override;
private:
static constexpr uint8_t k_bConfigurationValue = 1;
static constexpr uint8_t k_dfuInterfaceAlternateSetting = 0;
static constexpr uint8_t k_webUSBVendorCode = 1;
static constexpr uint8_t k_webUSBLandingPageIndex = 1;
static constexpr uint8_t k_microsoftOSVendorCode = 2;
// WebUSB and MicrosoftOSDescriptor commands
bool getURLCommand(uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength);
bool getExtendedCompatIDCommand(uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength);
// Descriptors
DeviceDescriptor m_deviceDescriptor;
DFUFunctionalDescriptor m_dfuFunctionalDescriptor;
InterfaceDescriptor m_interfaceDescriptor;
ConfigurationDescriptor m_configurationDescriptor;
WebUSBPlatformDescriptor m_webUSBPlatformDescriptor;
BOSDescriptor m_bosDescriptor;
LanguageIDStringDescriptor m_languageStringDescriptor;
StringDescriptor m_manufacturerStringDescriptor;
StringDescriptor m_productStringDescriptor;
StringDescriptor m_serialNumberStringDescriptor;
StringDescriptor m_interfaceStringDescriptor;
MicrosoftOSStringDescriptor m_microsoftOSStringDescriptor;
URLDescriptor m_workshopURLDescriptor;
ExtendedCompatIDDescriptor m_extendedCompatIdDescriptor;
Descriptor * m_descriptors[8];
/* m_descriptors contains only descriptors that sould be returned via the
* method descriptor(uint8_t type, uint8_t index), so do not count descriptors
* included in other descriptors or returned by other functions. */
// Interface
DFUInterface m_dfuInterface;
};
}
}
}
#endif
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