From 59f68ab4eca6babb0c1d29a01c688f3265fb550a Mon Sep 17 00:00:00 2001 From: Cristian Maglie Date: Mon, 21 Nov 2011 18:19:39 +0100 Subject: [PATCH] Added USB lib from arduino repository (as-is, work in progress). --- hardware/sam/cores/sam/CDC.cpp | 175 ++++++++ hardware/sam/cores/sam/HID.cpp | 446 +++++++++++++++++++ hardware/sam/cores/sam/Platform.h | 23 + hardware/sam/cores/sam/USBAPI.h | 166 ++++++++ hardware/sam/cores/sam/USBCore.cpp | 660 +++++++++++++++++++++++++++++ hardware/sam/cores/sam/USBCore.h | 303 +++++++++++++ hardware/sam/cores/sam/USBDesc.h | 67 +++ 7 files changed, 1840 insertions(+) create mode 100644 hardware/sam/cores/sam/CDC.cpp create mode 100644 hardware/sam/cores/sam/HID.cpp create mode 100644 hardware/sam/cores/sam/Platform.h create mode 100644 hardware/sam/cores/sam/USBAPI.h create mode 100644 hardware/sam/cores/sam/USBCore.cpp create mode 100644 hardware/sam/cores/sam/USBCore.h create mode 100644 hardware/sam/cores/sam/USBDesc.h diff --git a/hardware/sam/cores/sam/CDC.cpp b/hardware/sam/cores/sam/CDC.cpp new file mode 100644 index 000000000..14a0eaee7 --- /dev/null +++ b/hardware/sam/cores/sam/CDC.cpp @@ -0,0 +1,175 @@ + + +/* Copyright (c) 2011, Peter Barrett +** +** Permission to use, copy, modify, and/or distribute this software for +** any purpose with or without fee is hereby granted, provided that the +** above copyright notice and this permission notice appear in all copies. +** +** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL +** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED +** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR +** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES +** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +** SOFTWARE. +*/ + +#include "Platform.h" +#include "USBAPI.h" +#include + +#if defined(USBCON) +#ifdef CDC_ENABLED + +void Reboot() +{ + USB.detach(); + cli(); + asm volatile("jmp 0x7800"); // jump to bootloader - DiskLoader takes up last 2 kB +} + +typedef struct +{ + u32 dwDTERate; + u8 bCharFormat; + u8 bParityType; + u8 bDataBits; + u8 lineState; +} LineInfo; + +static volatile LineInfo _usbLineInfo = { 57600, 0x00, 0x00, 0x00, 0x00 }; + +#define WEAK __attribute__ ((weak)) + +extern const CDCDescriptor _cdcInterface PROGMEM; +const CDCDescriptor _cdcInterface = +{ + D_IAD(0,2,CDC_COMMUNICATION_INTERFACE_CLASS,CDC_ABSTRACT_CONTROL_MODEL,1), + + // CDC communication interface + D_INTERFACE(CDC_ACM_INTERFACE,1,CDC_COMMUNICATION_INTERFACE_CLASS,CDC_ABSTRACT_CONTROL_MODEL,0), + D_CDCCS(CDC_HEADER,0x10,0x01), // Header (1.10 bcd) + D_CDCCS(CDC_CALL_MANAGEMENT,1,1), // Device handles call management (not) + D_CDCCS4(CDC_ABSTRACT_CONTROL_MANAGEMENT,6), // SET_LINE_CODING, GET_LINE_CODING, SET_CONTROL_LINE_STATE supported + D_CDCCS(CDC_UNION,CDC_ACM_INTERFACE,CDC_DATA_INTERFACE), // Communication interface is master, data interface is slave 0 + D_ENDPOINT(USB_ENDPOINT_IN (CDC_ENDPOINT_ACM),USB_ENDPOINT_TYPE_INTERRUPT,0x10,0x40), + + // CDC data interface + D_INTERFACE(CDC_DATA_INTERFACE,2,CDC_DATA_INTERFACE_CLASS,0,0), + D_ENDPOINT(USB_ENDPOINT_OUT(CDC_ENDPOINT_OUT),USB_ENDPOINT_TYPE_BULK,0x40,0), + D_ENDPOINT(USB_ENDPOINT_IN (CDC_ENDPOINT_IN ),USB_ENDPOINT_TYPE_BULK,0x40,0) +}; + +int WEAK CDC_GetInterface(u8* interfaceNum) +{ + interfaceNum[0] += 2; // uses 2 + return USB_SendControl(TRANSFER_PGM,&_cdcInterface,sizeof(_cdcInterface)); +} + +bool WEAK CDC_Setup(Setup& setup) +{ + u8 r = setup.bRequest; + u8 requestType = setup.bmRequestType; + + if (REQUEST_DEVICETOHOST_CLASS_INTERFACE == requestType) + { + if (CDC_GET_LINE_CODING == r) + { + USB_SendControl(0,(void*)&_usbLineInfo,7); + return true; + } + } + + if (REQUEST_HOSTTODEVICE_CLASS_INTERFACE == requestType) + { + if (CDC_SET_LINE_CODING == r) + { + USB_RecvControl((void*)&_usbLineInfo,7); + return true; + } + + if (CDC_SET_CONTROL_LINE_STATE == r) + { + if (0 != _usbLineInfo.lineState && 1200 == _usbLineInfo.dwDTERate) // auto-reset is triggered when the port, already open at 1200 bps, is closed + Reboot(); + _usbLineInfo.lineState = setup.wValueL; + return true; + } + } + return false; +} + + +int _serialPeek = -1; +void Serial_::begin(uint16_t baud_count) +{ +} + +void Serial_::end(void) +{ +} + +int Serial_::available(void) +{ + u8 avail = USB_Available(CDC_RX); + if (_serialPeek != -1) + avail++; + return avail; +} + +// peek is nasty +int Serial_::peek(void) +{ + if (_serialPeek == -1) + _serialPeek = read(); + return _serialPeek; +} + +int Serial_::read(void) +{ + int c; + if (_serialPeek != -1) + { + c = _serialPeek; + _serialPeek = -1; + } else { + c = USB_Recv(CDC_RX); + } + return c; +} + +void Serial_::flush(void) +{ + USB_Flush(CDC_TX); +} + +size_t Serial_::write(uint8_t c) +{ + /* only try to send bytes if the high-level CDC connection itself + is open (not just the pipe) - the OS should set lineState when the port + is opened and clear lineState when the port is closed. + bytes sent before the user opens the connection or after + the connection is closed are lost - just like with a UART. */ + + // TODO - ZE - check behavior on different OSes and test what happens if an + // open connection isn't broken cleanly (cable is yanked out, host dies + // or locks up, or host virtual serial port hangs) + if (_usbLineInfo.lineState > 0) { + int r = USB_Send(CDC_TX,&c,1); + if (r > 0) { + return r; + } else { + setWriteError(); + return 0; + } + } + setWriteError(); + return 0; +} + +Serial_ Serial; + +#endif +#endif /* if defined(USBCON) */ \ No newline at end of file diff --git a/hardware/sam/cores/sam/HID.cpp b/hardware/sam/cores/sam/HID.cpp new file mode 100644 index 000000000..8ed156666 --- /dev/null +++ b/hardware/sam/cores/sam/HID.cpp @@ -0,0 +1,446 @@ + + +/* Copyright (c) 2011, Peter Barrett +** +** Permission to use, copy, modify, and/or distribute this software for +** any purpose with or without fee is hereby granted, provided that the +** above copyright notice and this permission notice appear in all copies. +** +** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL +** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED +** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR +** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES +** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +** SOFTWARE. +*/ + +#include "Platform.h" +#include "USBAPI.h" +#include "USBDesc.h" + +#if defined(USBCON) +#ifdef HID_ENABLED + +//#define RAWHID_ENABLED + +// Singletons for mouse and keyboard + +Mouse_ Mouse; +Keyboard_ Keyboard; + +//================================================================================ +//================================================================================ + +// HID report descriptor + +#define LSB(_x) ((_x) & 0xFF) +#define MSB(_x) ((_x) >> 8) + +#define RAWHID_USAGE_PAGE 0xFFC0 +#define RAWHID_USAGE 0x0C00 +#define RAWHID_TX_SIZE 64 +#define RAWHID_RX_SIZE 64 + +extern const u8 _hidReportDescriptor[] PROGMEM; +const u8 _hidReportDescriptor[] = { + + // Mouse + 0x05, 0x01, // USAGE_PAGE (Generic Desktop) // 54 + 0x09, 0x02, // USAGE (Mouse) + 0xa1, 0x01, // COLLECTION (Application) + 0x09, 0x01, // USAGE (Pointer) + 0xa1, 0x00, // COLLECTION (Physical) + 0x85, 0x01, // REPORT_ID (1) + 0x05, 0x09, // USAGE_PAGE (Button) + 0x19, 0x01, // USAGE_MINIMUM (Button 1) + 0x29, 0x03, // USAGE_MAXIMUM (Button 3) + 0x15, 0x00, // LOGICAL_MINIMUM (0) + 0x25, 0x01, // LOGICAL_MAXIMUM (1) + 0x95, 0x03, // REPORT_COUNT (3) + 0x75, 0x01, // REPORT_SIZE (1) + 0x81, 0x02, // INPUT (Data,Var,Abs) + 0x95, 0x01, // REPORT_COUNT (1) + 0x75, 0x05, // REPORT_SIZE (5) + 0x81, 0x03, // INPUT (Cnst,Var,Abs) + 0x05, 0x01, // USAGE_PAGE (Generic Desktop) + 0x09, 0x30, // USAGE (X) + 0x09, 0x31, // USAGE (Y) + 0x09, 0x38, // USAGE (Wheel) + 0x15, 0x81, // LOGICAL_MINIMUM (-127) + 0x25, 0x7f, // LOGICAL_MAXIMUM (127) + 0x75, 0x08, // REPORT_SIZE (8) + 0x95, 0x03, // REPORT_COUNT (3) + 0x81, 0x06, // INPUT (Data,Var,Rel) + 0xc0, // END_COLLECTION + 0xc0, // END_COLLECTION + + // Keyboard + 0x05, 0x01, // USAGE_PAGE (Generic Desktop) // 47 + 0x09, 0x06, // USAGE (Keyboard) + 0xa1, 0x01, // COLLECTION (Application) + 0x85, 0x02, // REPORT_ID (2) + 0x05, 0x07, // USAGE_PAGE (Keyboard) + + 0x19, 0xe0, // USAGE_MINIMUM (Keyboard LeftControl) + 0x29, 0xe7, // USAGE_MAXIMUM (Keyboard Right GUI) + 0x15, 0x00, // LOGICAL_MINIMUM (0) + 0x25, 0x01, // LOGICAL_MAXIMUM (1) + 0x75, 0x01, // REPORT_SIZE (1) + + 0x95, 0x08, // REPORT_COUNT (8) + 0x81, 0x02, // INPUT (Data,Var,Abs) + 0x95, 0x01, // REPORT_COUNT (1) + 0x75, 0x08, // REPORT_SIZE (8) + 0x81, 0x03, // INPUT (Cnst,Var,Abs) + + 0x95, 0x06, // REPORT_COUNT (6) + 0x75, 0x08, // REPORT_SIZE (8) + 0x15, 0x00, // LOGICAL_MINIMUM (0) + 0x25, 0x65, // LOGICAL_MAXIMUM (101) + 0x05, 0x07, // USAGE_PAGE (Keyboard) + + 0x19, 0x00, // USAGE_MINIMUM (Reserved (no event indicated)) + 0x29, 0x65, // USAGE_MAXIMUM (Keyboard Application) + 0x81, 0x00, // INPUT (Data,Ary,Abs) + 0xc0, // END_COLLECTION + +#if RAWHID_ENABLED + // RAW HID + 0x06, LSB(RAWHID_USAGE_PAGE), MSB(RAWHID_USAGE_PAGE), // 30 + 0x0A, LSB(RAWHID_USAGE), MSB(RAWHID_USAGE), + + 0xA1, 0x01, // Collection 0x01 + 0x85, 0x03, // REPORT_ID (3) + 0x75, 0x08, // report size = 8 bits + 0x15, 0x00, // logical minimum = 0 + 0x26, 0xFF, 0x00, // logical maximum = 255 + + 0x95, 64, // report count TX + 0x09, 0x01, // usage + 0x81, 0x02, // Input (array) + + 0x95, 64, // report count RX + 0x09, 0x02, // usage + 0x91, 0x02, // Output (array) + 0xC0 // end collection +#endif +}; + +extern const HIDDescriptor _hidInterface PROGMEM; +const HIDDescriptor _hidInterface = +{ + D_INTERFACE(HID_INTERFACE,1,3,0,0), + D_HIDREPORT(sizeof(_hidReportDescriptor)), + D_ENDPOINT(USB_ENDPOINT_IN (HID_ENDPOINT_INT),USB_ENDPOINT_TYPE_INTERRUPT,0x40,0x01) +}; + +//================================================================================ +//================================================================================ +// Driver + +u8 _hid_protocol = 1; +u8 _hid_idle = 1; + +#define WEAK __attribute__ ((weak)) +#define WEAK + +int WEAK HID_GetInterface(u8* interfaceNum) +{ + interfaceNum[0] += 1; // uses 1 + return USB_SendControl(TRANSFER_PGM,&_hidInterface,sizeof(_hidInterface)); +} + +int WEAK HID_GetDescriptor(int i) +{ + return USB_SendControl(TRANSFER_PGM,_hidReportDescriptor,sizeof(_hidReportDescriptor)); +} + +void WEAK HID_SendReport(u8 id, const void* data, int len) +{ + USB_Send(HID_TX, &id, 1); + USB_Send(HID_TX | TRANSFER_RELEASE,data,len); +} + +bool WEAK HID_Setup(Setup& setup) +{ + u8 r = setup.bRequest; + u8 requestType = setup.bmRequestType; + if (REQUEST_DEVICETOHOST_CLASS_INTERFACE == requestType) + { + if (HID_GET_REPORT == r) + { + //HID_GetReport(); + return true; + } + if (HID_GET_PROTOCOL == r) + { + //Send8(_hid_protocol); // TODO + return true; + } + } + + if (REQUEST_HOSTTODEVICE_CLASS_INTERFACE == requestType) + { + if (HID_SET_PROTOCOL == r) + { + _hid_protocol = setup.wValueL; + return true; + } + + if (HID_SET_IDLE == r) + { + _hid_idle = setup.wValueL; + return true; + } + } + return false; +} + +//================================================================================ +//================================================================================ +// Mouse + +Mouse_::Mouse_() : _buttons(0) +{ +} + +void Mouse_::click(uint8_t b) +{ + _buttons = b; + move(0,0,0); + _buttons = 0; + move(0,0,0); +} + +void Mouse_::move(signed char x, signed char y, signed char wheel) +{ + u8 m[4]; + m[0] = _buttons; + m[1] = x; + m[2] = y; + m[3] = wheel; + HID_SendReport(1,m,4); +} + +void Mouse_::buttons(uint8_t b) +{ + if (b != _buttons) + { + _buttons = b; + move(0,0,0); + } +} + +void Mouse_::press(uint8_t b) +{ + buttons(_buttons | b); +} + +void Mouse_::release(uint8_t b) +{ + buttons(_buttons & ~b); +} + +bool Mouse_::isPressed(uint8_t b) +{ + if (b & _buttons > 0) + return true; + return false; +} + +//================================================================================ +//================================================================================ +// Keyboard + +Keyboard_::Keyboard_() : _keyMap(0) +{ +} + +void Keyboard_::sendReport(KeyReport* keys) +{ + HID_SendReport(2,keys,sizeof(KeyReport)); +} + +void Keyboard_::setKeyMap(KeyMap* keyMap) +{ + _keyMap = keyMap; +} + +extern +const uint8_t _asciimap[128] PROGMEM; + +#define SHIFT 0x80 +const uint8_t _asciimap[128] = +{ + 0x00, // NUL + 0x00, // SOH + 0x00, // STX + 0x00, // ETX + 0x00, // EOT + 0x00, // ENQ + 0x00, // ACK + 0x00, // BEL + 0x2a, // BS Backspace + 0x2b, // TAB Tab + 0x28, // LF Enter + 0x00, // VT + 0x00, // FF + 0x00, // CR + 0x00, // SO + 0x00, // SI + 0x00, // DEL + 0x00, // DC1 + 0x00, // DC2 + 0x00, // DC3 + 0x00, // DC4 + 0x00, // NAK + 0x00, // SYN + 0x00, // ETB + 0x00, // CAN + 0x00, // EM + 0x00, // SUB + 0x00, // ESC + 0x00, // FS + 0x00, // GS + 0x00, // RS + 0x00, // US + + 0x2c, // ' ' + 0x1e|SHIFT, // ! + 0x34|SHIFT, // " + 0x20|SHIFT, // # + 0x21|SHIFT, // $ + 0x22|SHIFT, // % + 0x24|SHIFT, // & + 0x34, // ' + 0x26|SHIFT, // ( + 0x27|SHIFT, // ) + 0x25|SHIFT, // * + 0x2e|SHIFT, // + + 0x36, // , + 0x2d, // - + 0x37, // . + 0x38, // / + 0x27, // 0 + 0x1e, // 1 + 0x1f, // 2 + 0x20, // 3 + 0x21, // 4 + 0x22, // 5 + 0x23, // 6 + 0x24, // 7 + 0x25, // 8 + 0x26, // 9 + 0x33|SHIFT, // : + 0x33, // ; + 0x36|SHIFT, // < + 0x2e, // = + 0x37|SHIFT, // > + 0x38|SHIFT, // ? + 0x1f|SHIFT, // @ + 0x04|SHIFT, // A + 0x05|SHIFT, // B + 0x06|SHIFT, // C + 0x07|SHIFT, // D + 0x08|SHIFT, // E + 0x09|SHIFT, // F + 0x0a|SHIFT, // G + 0x0b|SHIFT, // H + 0x0c|SHIFT, // I + 0x0d|SHIFT, // J + 0x0e|SHIFT, // K + 0x0f|SHIFT, // L + 0x10|SHIFT, // M + 0x11|SHIFT, // N + 0x12|SHIFT, // O + 0x13|SHIFT, // P + 0x14|SHIFT, // Q + 0x15|SHIFT, // R + 0x16|SHIFT, // S + 0x17|SHIFT, // T + 0x18|SHIFT, // U + 0x19|SHIFT, // V + 0x1a|SHIFT, // W + 0x1b|SHIFT, // X + 0x1c|SHIFT, // Y + 0x1d|SHIFT, // Z + 0x2f, // [ + 0x31, // bslash + 0x30, // ] + 0x23|SHIFT, // ^ + 0x2d|SHIFT, // _ + 0x35, // ` + 0x04, // a + 0x05, // b + 0x06, // c + 0x07, // d + 0x08, // e + 0x09, // f + 0x0a, // g + 0x0b, // h + 0x0c, // i + 0x0d, // j + 0x0e, // k + 0x0f, // l + 0x10, // m + 0x11, // n + 0x12, // o + 0x13, // p + 0x14, // q + 0x15, // r + 0x16, // s + 0x17, // t + 0x18, // u + 0x19, // v + 0x1a, // w + 0x1b, // x + 0x1c, // y + 0x1d, // z + 0x2f|SHIFT, // + 0x31|SHIFT, // | + 0x30|SHIFT, // } + 0x35|SHIFT, // ~ + 0 // DEL +}; + +uint8_t USBPutChar(uint8_t c); +size_t Keyboard_::write(uint8_t c) +{ + // Keydown + { + KeyReport keys = {0}; + if (_keyMap) + _keyMap->charToKey(c,&keys); + else + { + if (c >= 128) { + setWriteError(); + return 0; + } + c = pgm_read_byte(_asciimap + c); + if (!c) { + setWriteError(); + return 0; + } + if (c & 0x80) + { + keys.modifiers |= KEY_MODIFIER_LEFT_SHIFT; + c &= 0x7F; + } + keys.keys[0] = c; + } + sendReport(&keys); + } + // Keyup + { + KeyReport keys = {0}; + sendReport(&keys); + } + return 1; +} + +#endif + +#endif /* if defined(USBCON) */ \ No newline at end of file diff --git a/hardware/sam/cores/sam/Platform.h b/hardware/sam/cores/sam/Platform.h new file mode 100644 index 000000000..8b8f74277 --- /dev/null +++ b/hardware/sam/cores/sam/Platform.h @@ -0,0 +1,23 @@ + +#ifndef __PLATFORM_H__ +#define __PLATFORM_H__ + +#include +#include +#include +#include +#include + +typedef unsigned char u8; +typedef unsigned short u16; +typedef unsigned long u32; + +#include "Arduino.h" + +#if defined(USBCON) + #include "USBDesc.h" + #include "USBCore.h" + #include "USBAPI.h" +#endif /* if defined(USBCON) */ + +#endif diff --git a/hardware/sam/cores/sam/USBAPI.h b/hardware/sam/cores/sam/USBAPI.h new file mode 100644 index 000000000..26a203227 --- /dev/null +++ b/hardware/sam/cores/sam/USBAPI.h @@ -0,0 +1,166 @@ + + +#ifndef __USBAPI__ +#define __USBAPI__ + +#if defined(USBCON) + +//================================================================================ +//================================================================================ +// USB + +class USB_ +{ +public: + USB_(); + bool configured(); + + void attach(); + void detach(); // Serial port goes down too... + void poll(); +}; +extern USB_ USB; + +//================================================================================ +//================================================================================ +// Serial over CDC (Serial1 is the physical port) + +class Serial_ : public Stream +{ +public: + void begin(uint16_t baud_count); + void end(void); + + virtual int available(void); + virtual int peek(void); + virtual int read(void); + virtual void flush(void); + virtual size_t write(uint8_t); +}; +extern Serial_ Serial; + +//================================================================================ +//================================================================================ +// Mouse + +#define MOUSE_LEFT 1 +#define MOUSE_RIGHT 2 +#define MOUSE_MIDDLE 4 +#define MOUSE_ALL (MOUSE_LEFT | MOUSE_RIGHT | MOUSE_MIDDLE) + +class Mouse_ +{ +private: + uint8_t _buttons; + void buttons(uint8_t b); +public: + Mouse_(); + void click(uint8_t b = MOUSE_LEFT); + void move(signed char x, signed char y, signed char wheel = 0); + void press(uint8_t b = MOUSE_LEFT); // press LEFT by default + void release(uint8_t b = MOUSE_LEFT); // release LEFT by default + bool isPressed(uint8_t b = MOUSE_ALL); // check all buttons by default +}; +extern Mouse_ Mouse; + +//================================================================================ +//================================================================================ +// Keyboard + +#define KEY_MODIFIER_LEFT_CTRL 0x01 +#define KEY_MODIFIER_LEFT_SHIFT 0x02 +#define KEY_MODIFIER_LEFT_ALT 0x04 +#define KEY_MODIFIER_LEFT_GUI 0x08 +#define KEY_MODIFIER_RIGHT_CTRL 0x010 +#define KEY_MODIFIER_RIGHT_SHIFT 0x020 +#define KEY_MODIFIER_RIGHT_ALT 0x040 +#define KEY_MODIFIER_RIGHT_GUI 0x080 + +// Low level key report: up to 6 keys and shift, ctrl etc at once +typedef struct +{ + uint8_t modifiers; + uint8_t reserved; + uint8_t keys[6]; +} KeyReport; + +// Map a character into a key report +// Called from Print to map text to keycodes +class KeyMap +{ +public: + virtual void charToKey(int c, KeyReport* keyReport) = 0; +}; + +// +class Keyboard_ : public Print +{ +private: + KeyMap* _keyMap; + void sendReport(KeyReport* keys); + void setKeyMap(KeyMap* keyMap); +public: + Keyboard_(); + virtual size_t write(uint8_t); +}; +extern Keyboard_ Keyboard; + +//================================================================================ +//================================================================================ +// Low level API + +typedef struct +{ + uint8_t bmRequestType; + uint8_t bRequest; + uint8_t wValueL; + uint8_t wValueH; + uint16_t wIndex; + uint16_t wLength; +} Setup; + +//================================================================================ +//================================================================================ +// HID 'Driver' + +int HID_GetInterface(uint8_t* interfaceNum); +int HID_GetDescriptor(int i); +bool HID_Setup(Setup& setup); +void HID_SendReport(uint8_t id, const void* data, int len); + +//================================================================================ +//================================================================================ +// MSC 'Driver' + +int MSC_GetInterface(uint8_t* interfaceNum); +int MSC_GetDescriptor(int i); +bool MSC_Setup(Setup& setup); +bool MSC_Data(uint8_t rx,uint8_t tx); + +//================================================================================ +//================================================================================ +// CSC 'Driver' + +int CDC_GetInterface(uint8_t* interfaceNum); +int CDC_GetDescriptor(int i); +bool CDC_Setup(Setup& setup); + +//================================================================================ +//================================================================================ + +#define TRANSFER_PGM 0x80 +#define TRANSFER_RELEASE 0x40 +#define TRANSFER_ZERO 0x20 + +int USB_SendControl(uint8_t flags, const void* d, int len); +int USB_RecvControl(void* d, int len); + +uint8_t USB_Available(uint8_t ep); +int USB_Send(uint8_t ep, const void* data, int len); // blocking +int USB_Recv(uint8_t ep, void* data, int len); // non-blocking +int USB_Recv(uint8_t ep); // non-blocking +void USB_Flush(uint8_t ep); + +#endif + +#endif /* if defined(USBCON) */ \ No newline at end of file diff --git a/hardware/sam/cores/sam/USBCore.cpp b/hardware/sam/cores/sam/USBCore.cpp new file mode 100644 index 000000000..398bc73ee --- /dev/null +++ b/hardware/sam/cores/sam/USBCore.cpp @@ -0,0 +1,660 @@ + + +/* Copyright (c) 2010, Peter Barrett +** +** Permission to use, copy, modify, and/or distribute this software for +** any purpose with or without fee is hereby granted, provided that the +** above copyright notice and this permission notice appear in all copies. +** +** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL +** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED +** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR +** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES +** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +** SOFTWARE. +*/ + +#include "Platform.h" +#include "USBAPI.h" +#include "USBDesc.h" + +#if defined(USBCON) + +#define EP_TYPE_CONTROL 0x00 +#define EP_TYPE_BULK_IN 0x81 +#define EP_TYPE_BULK_OUT 0x80 +#define EP_TYPE_INTERRUPT_IN 0xC1 +#define EP_TYPE_INTERRUPT_OUT 0xC0 +#define EP_TYPE_ISOCHRONOUS_IN 0x41 +#define EP_TYPE_ISOCHRONOUS_OUT 0x40 + +/** Pulse generation counters to keep track of the number of milliseconds remaining for each pulse type */ +#define TX_RX_LED_PULSE_MS 100 +volatile u8 TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */ +volatile u8 RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */ + +//================================================================== +//================================================================== + +extern const u16 STRING_LANGUAGE[] PROGMEM; +extern const u16 STRING_IPRODUCT[] PROGMEM; +extern const u16 STRING_IMANUFACTURER[] PROGMEM; +extern const DeviceDescriptor USB_DeviceDescriptor PROGMEM; +extern const DeviceDescriptor USB_DeviceDescriptorA PROGMEM; + +const u16 STRING_LANGUAGE[2] = { + (3<<8) | (2+2), + 0x0409 // English +}; + +const u16 STRING_IPRODUCT[17] = { + (3<<8) | (2+2*16), +#if USB_PID == USB_PID_LEONARDO + 'A','r','d','u','i','n','o',' ','L','e','o','n','a','r','d','o' +#elif USB_PID == USB_PID_MICRO + 'A','r','d','u','i','n','o',' ','M','i','c','r','o',' ',' ',' ' +#endif +}; + +const u16 STRING_IMANUFACTURER[12] = { + (3<<8) | (2+2*11), + 'A','r','d','u','i','n','o',' ','L','L','C' +}; + +#ifdef CDC_ENABLED +#define DEVICE_CLASS 0x02 +#else +#define DEVICE_CLASS 0x00 +#endif + +// DEVICE DESCRIPTOR +const DeviceDescriptor USB_DeviceDescriptor = + D_DEVICE(0x00,0x00,0x00,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,0,1); + +const DeviceDescriptor USB_DeviceDescriptorA = + D_DEVICE(DEVICE_CLASS,0x00,0x00,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,0,1); + +//================================================================== +//================================================================== + +volatile u8 _usbConfiguration = 0; + +static inline void WaitIN(void) +{ + while (!(UEINTX & (1< len) + n = len; + len -= n; + { + LockEP lock(ep); + if (ep & TRANSFER_ZERO) + { + while (n--) + Send8(0); + } + else if (ep & TRANSFER_PGM) + { + while (n--) + Send8(pgm_read_byte(data++)); + } + else + { + while (n--) + Send8(*data++); + } + if (!ReadWriteAllowed() || ((len == 0) && (ep & TRANSFER_RELEASE))) // Release full buffer + ReleaseTX(); + } + } + TXLED1; // light the TX LED + TxLEDPulse = TX_RX_LED_PULSE_MS; + return r; +} + +extern const u8 _initEndpoints[] PROGMEM; +const u8 _initEndpoints[] = +{ + 0, + +#ifdef CDC_ENABLED + EP_TYPE_INTERRUPT_IN, // CDC_ENDPOINT_ACM + EP_TYPE_BULK_OUT, // CDC_ENDPOINT_OUT + EP_TYPE_BULK_IN, // CDC_ENDPOINT_IN +#endif + +#ifdef HID_ENABLED + EP_TYPE_INTERRUPT_IN // HID_ENDPOINT_INT +#endif +}; + +#define EP_SINGLE_64 0x32 // EP0 +#define EP_DOUBLE_64 0x36 // Other endpoints + +static +void InitEP(u8 index, u8 type, u8 size) +{ + UENUM = index; + UECONX = 1; + UECFG0X = type; + UECFG1X = size; +} + +static +void InitEndpoints() +{ + for (u8 i = 1; i < sizeof(_initEndpoints); i++) + { + UENUM = i; + UECONX = 1; + UECFG0X = pgm_read_byte(_initEndpoints+i); + UECFG1X = EP_DOUBLE_64; + } + UERST = 0x7E; // And reset them + UERST = 0; +} + +// Handle CLASS_INTERFACE requests +static +bool ClassInterfaceRequest(Setup& setup) +{ + u8 i = setup.wIndex; + +#ifdef CDC_ENABLED + if (CDC_ACM_INTERFACE == i) + return CDC_Setup(setup); +#endif + +#ifdef HID_ENABLED + if (HID_INTERFACE == i) + return HID_Setup(setup); +#endif + return false; +} + +int _cmark; +int _cend; +void InitControl(int end) +{ + SetEP(0); + _cmark = 0; + _cend = end; +} + +static +bool SendControl(u8 d) +{ + if (_cmark < _cend) + { + if (!WaitForINOrOUT()) + return false; + Send8(d); + if (!((_cmark + 1) & 0x3F)) + ClearIN(); // Fifo is full, release this packet + } + _cmark++; + return true; +}; + +// Clipped by _cmark/_cend +int USB_SendControl(u8 flags, const void* d, int len) +{ + int sent = len; + const u8* data = (const u8*)d; + bool pgm = flags & TRANSFER_PGM; + while (len--) + { + u8 c = pgm ? pgm_read_byte(data++) : *data++; + if (!SendControl(c)) + return -1; + } + return sent; +} + +// Does not timeout or cross fifo boundaries +// Will only work for transfers <= 64 bytes +// TODO +int USB_RecvControl(void* d, int len) +{ + WaitOUT(); + Recv((u8*)d,len); + ClearOUT(); + return len; +} + +int SendInterfaces() +{ + int total = 0; + u8 interfaces = 0; + +#ifdef CDC_ENABLED + total = CDC_GetInterface(&interfaces); +#endif + +#ifdef HID_ENABLED + total += HID_GetInterface(&interfaces); +#endif + + return interfaces; +} + +// Construct a dynamic configuration descriptor +// This really needs dynamic endpoint allocation etc +// TODO +static +bool SendConfiguration(int maxlen) +{ + // Count and measure interfaces + InitControl(0); + int interfaces = SendInterfaces(); + ConfigDescriptor config = D_CONFIG(_cmark + sizeof(ConfigDescriptor),interfaces); + + // Now send them + InitControl(maxlen); + USB_SendControl(0,&config,sizeof(ConfigDescriptor)); + SendInterfaces(); + return true; +} + +u8 _cdcComposite = 0; + +static +bool SendDescriptor(Setup& setup) +{ + u8 t = setup.wValueH; + if (USB_CONFIGURATION_DESCRIPTOR_TYPE == t) + return SendConfiguration(setup.wLength); + + InitControl(setup.wLength); +#ifdef HID_ENABLED + if (HID_REPORT_DESCRIPTOR_TYPE == t) + return HID_GetDescriptor(t); +#endif + + u8 desc_length = 0; + const u8* desc_addr = 0; + if (USB_DEVICE_DESCRIPTOR_TYPE == t) + { + if (setup.wLength == 8) + _cdcComposite = 1; + desc_addr = _cdcComposite ? (const u8*)&USB_DeviceDescriptorA : (const u8*)&USB_DeviceDescriptor; + } + else if (USB_STRING_DESCRIPTOR_TYPE == t) + { + if (setup.wValueL == 0) + desc_addr = (const u8*)&STRING_LANGUAGE; + else if (setup.wValueL == IPRODUCT) + desc_addr = (const u8*)&STRING_IPRODUCT; + else if (setup.wValueL == IMANUFACTURER) + desc_addr = (const u8*)&STRING_IMANUFACTURER; + else + return false; + } + + if (desc_addr == 0) + return false; + if (desc_length == 0) + desc_length = pgm_read_byte(desc_addr); + + USB_SendControl(TRANSFER_PGM,desc_addr,desc_length); + return true; +} + +// Endpoint 0 interrupt +ISR(USB_COM_vect) +{ + SetEP(0); + if (!ReceivedSetupInt()) + return; + + Setup setup; + Recv((u8*)&setup,8); + ClearSetupInt(); + + u8 requestType = setup.bmRequestType; + if (requestType & REQUEST_DEVICETOHOST) + WaitIN(); + else + ClearIN(); + + bool ok = true; + if (REQUEST_STANDARD == (requestType & REQUEST_TYPE)) + { + // Standard Requests + u8 r = setup.bRequest; + if (GET_STATUS == r) + { + Send8(0); // TODO + Send8(0); + } + else if (CLEAR_FEATURE == r) + { + } + else if (SET_FEATURE == r) + { + } + else if (SET_ADDRESS == r) + { + WaitIN(); + UDADDR = setup.wValueL | (1<> 8) & 0xFF) + +#define CDC_V1_10 0x0110 +#define CDC_COMMUNICATION_INTERFACE_CLASS 0x02 + +#define CDC_CALL_MANAGEMENT 0x01 +#define CDC_ABSTRACT_CONTROL_MODEL 0x02 +#define CDC_HEADER 0x00 +#define CDC_ABSTRACT_CONTROL_MANAGEMENT 0x02 +#define CDC_UNION 0x06 +#define CDC_CS_INTERFACE 0x24 +#define CDC_CS_ENDPOINT 0x25 +#define CDC_DATA_INTERFACE_CLASS 0x0A + +#define MSC_SUBCLASS_SCSI 0x06 +#define MSC_PROTOCOL_BULK_ONLY 0x50 + +#define HID_HID_DESCRIPTOR_TYPE 0x21 +#define HID_REPORT_DESCRIPTOR_TYPE 0x22 +#define HID_PHYSICAL_DESCRIPTOR_TYPE 0x23 + + +// Device +typedef struct { + u8 len; // 18 + u8 dtype; // 1 USB_DEVICE_DESCRIPTOR_TYPE + u16 usbVersion; // 0x200 + u8 deviceClass; + u8 deviceSubClass; + u8 deviceProtocol; + u8 packetSize0; // Packet 0 + u16 idVendor; + u16 idProduct; + u16 deviceVersion; // 0x100 + u8 iManufacturer; + u8 iProduct; + u8 iSerialNumber; + u8 bNumConfigurations; +} DeviceDescriptor; + +// Config +typedef struct { + u8 len; // 9 + u8 dtype; // 2 + u16 clen; // total length + u8 numInterfaces; + u8 config; + u8 iconfig; + u8 attributes; + u8 maxPower; +} ConfigDescriptor; + +// String + +// Interface +typedef struct +{ + u8 len; // 9 + u8 dtype; // 4 + u8 number; + u8 alternate; + u8 numEndpoints; + u8 interfaceClass; + u8 interfaceSubClass; + u8 protocol; + u8 iInterface; +} InterfaceDescriptor; + +// Endpoint +typedef struct +{ + u8 len; // 7 + u8 dtype; // 5 + u8 addr; + u8 attr; + u16 packetSize; + u8 interval; +} EndpointDescriptor; + +// Interface Association Descriptor +// Used to bind 2 interfaces together in CDC compostite device +typedef struct +{ + u8 len; // 8 + u8 dtype; // 11 + u8 firstInterface; + u8 interfaceCount; + u8 functionClass; + u8 funtionSubClass; + u8 functionProtocol; + u8 iInterface; +} IADDescriptor; + +// CDC CS interface descriptor +typedef struct +{ + u8 len; // 5 + u8 dtype; // 0x24 + u8 subtype; + u8 d0; + u8 d1; +} CDCCSInterfaceDescriptor; + +typedef struct +{ + u8 len; // 4 + u8 dtype; // 0x24 + u8 subtype; + u8 d0; +} CDCCSInterfaceDescriptor4; + +typedef struct +{ + u8 len; + u8 dtype; // 0x24 + u8 subtype; // 1 + u8 bmCapabilities; + u8 bDataInterface; +} CMFunctionalDescriptor; + +typedef struct +{ + u8 len; + u8 dtype; // 0x24 + u8 subtype; // 1 + u8 bmCapabilities; +} ACMFunctionalDescriptor; + +typedef struct +{ + // IAD + IADDescriptor iad; // Only needed on compound device + + // Control + InterfaceDescriptor cif; // + CDCCSInterfaceDescriptor header; + CMFunctionalDescriptor callManagement; // Call Management + ACMFunctionalDescriptor controlManagement; // ACM + CDCCSInterfaceDescriptor functionalDescriptor; // CDC_UNION + EndpointDescriptor cifin; + + // Data + InterfaceDescriptor dif; + EndpointDescriptor in; + EndpointDescriptor out; +} CDCDescriptor; + +typedef struct +{ + InterfaceDescriptor msc; + EndpointDescriptor in; + EndpointDescriptor out; +} MSCDescriptor; + +typedef struct +{ + u8 len; // 9 + u8 dtype; // 0x21 + u8 addr; + u8 versionL; // 0x101 + u8 versionH; // 0x101 + u8 country; + u8 desctype; // 0x22 report + u8 descLenL; + u8 descLenH; +} HIDDescDescriptor; + +typedef struct +{ + InterfaceDescriptor hid; + HIDDescDescriptor desc; + EndpointDescriptor in; +} HIDDescriptor; + + +#define D_DEVICE(_class,_subClass,_proto,_packetSize0,_vid,_pid,_version,_im,_ip,_is,_configs) \ + { 18, 1, 0x200, _class,_subClass,_proto,_packetSize0,_vid,_pid,_version,_im,_ip,_is,_configs } + +#define D_CONFIG(_totalLength,_interfaces) \ + { 9, 2, _totalLength,_interfaces, 1, 0, USB_CONFIG_BUS_POWERED, USB_CONFIG_POWER_MA(500) } + +#define D_INTERFACE(_n,_numEndpoints,_class,_subClass,_protocol) \ + { 9, 4, _n, 0, _numEndpoints, _class,_subClass, _protocol, 0 } + +#define D_ENDPOINT(_addr,_attr,_packetSize, _interval) \ + { 7, 5, _addr,_attr,_packetSize, _interval } + +#define D_IAD(_firstInterface, _count, _class, _subClass, _protocol) \ + { 8, 11, _firstInterface, _count, _class, _subClass, _protocol, 0 } + +#define D_HIDREPORT(_descriptorLength) \ + { 9, 0x21, 0x1, 0x1, 0, 1, 0x22, _descriptorLength, 0 } + +#define D_CDCCS(_subtype,_d0,_d1) { 5, 0x24, _subtype, _d0, _d1 } +#define D_CDCCS4(_subtype,_d0) { 4, 0x24, _subtype, _d0 } + + +#endif \ No newline at end of file diff --git a/hardware/sam/cores/sam/USBDesc.h b/hardware/sam/cores/sam/USBDesc.h new file mode 100644 index 000000000..549ed9ea5 --- /dev/null +++ b/hardware/sam/cores/sam/USBDesc.h @@ -0,0 +1,67 @@ + + +/* Copyright (c) 2011, Peter Barrett +** +** Permission to use, copy, modify, and/or distribute this software for +** any purpose with or without fee is hereby granted, provided that the +** above copyright notice and this permission notice appear in all copies. +** +** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL +** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED +** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR +** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES +** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +** SOFTWARE. +*/ + +#define CDC_ENABLED +#define HID_ENABLED + + +#ifdef CDC_ENABLED +#define CDC_INTERFACE_COUNT 2 +#define CDC_ENPOINT_COUNT 3 +#else +#define CDC_INTERFACE_COUNT 0 +#define CDC_ENPOINT_COUNT 0 +#endif + +#ifdef HID_ENABLED +#define HID_INTERFACE_COUNT 1 +#define HID_ENPOINT_COUNT 1 +#else +#define HID_INTERFACE_COUNT 0 +#define HID_ENPOINT_COUNT 0 +#endif + +#define CDC_ACM_INTERFACE 0 // CDC ACM +#define CDC_DATA_INTERFACE 1 // CDC Data +#define CDC_FIRST_ENDPOINT 1 +#define CDC_ENDPOINT_ACM (CDC_FIRST_ENDPOINT) // CDC First +#define CDC_ENDPOINT_OUT (CDC_FIRST_ENDPOINT+1) +#define CDC_ENDPOINT_IN (CDC_FIRST_ENDPOINT+2) + +#define HID_INTERFACE (CDC_ACM_INTERFACE + CDC_INTERFACE_COUNT) // HID Interface +#define HID_FIRST_ENDPOINT (CDC_FIRST_ENDPOINT + CDC_ENPOINT_COUNT) +#define HID_ENDPOINT_INT (HID_FIRST_ENDPOINT) + +#define INTERFACE_COUNT (MSC_INTERFACE + MSC_INTERFACE_COUNT) + +#ifdef CDC_ENABLED +#define CDC_RX CDC_ENDPOINT_OUT +#define CDC_TX CDC_ENDPOINT_IN +#endif + +#ifdef HID_ENABLED +#define HID_TX HID_ENDPOINT_INT +#endif + +#define IMANUFACTURER 1 +#define IPRODUCT 2 +#define USB_PID_LEONARDO 0x0034 +#define USB_PID_MICRO 0x0035 +#define USB_VID 0x2341 // arduino LLC vid +#define USB_PID ARDUINO_MODEL_USB_PID +