From 00c272df1ad6cc7e9ff72938ca7fc60cbf177777 Mon Sep 17 00:00:00 2001 From: Gergely Nagy Date: Sun, 16 Dec 2018 17:41:43 +0100 Subject: [PATCH] Revert "model01: Use a modified CDC.cpp" --- avr/variants/model01/CDC.cpp | 303 ----------------------------------- 1 file changed, 303 deletions(-) delete mode 100644 avr/variants/model01/CDC.cpp diff --git a/avr/variants/model01/CDC.cpp b/avr/variants/model01/CDC.cpp deleted file mode 100644 index a974095..0000000 --- a/avr/variants/model01/CDC.cpp +++ /dev/null @@ -1,303 +0,0 @@ - - -/* 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 "USBAPI.h" -#include -#include - -#if defined(USBCON) - -typedef struct -{ - u32 dwDTERate; - u8 bCharFormat; - u8 bParityType; - u8 bDataBits; - u8 lineState; -} LineInfo; - -static volatile LineInfo _usbLineInfo = { 57600, 0x00, 0x00, 0x00, 0x00 }; -static volatile int32_t breakValue = -1; - -static u8 wdtcsr_save; - -#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,USB_EP_SIZE,0), - D_ENDPOINT(USB_ENDPOINT_IN (CDC_ENDPOINT_IN ),USB_ENDPOINT_TYPE_BULK,USB_EP_SIZE,0) -}; - -bool isLUFAbootloader() -{ - return pgm_read_word(FLASHEND - 1) == NEW_LUFA_SIGNATURE; -} - -int CDC_GetInterface(u8* interfaceNum) -{ - interfaceNum[0] += 2; // uses 2 - return USB_SendControl(TRANSFER_PGM,&_cdcInterface,sizeof(_cdcInterface)); -} - -bool CDC_Setup(USBSetup& 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_SEND_BREAK == r) - { - breakValue = ((uint16_t)setup.wValueH << 8) | setup.wValueL; - } - - if (CDC_SET_LINE_CODING == r) - { - USB_RecvControl((void*)&_usbLineInfo,7); - } - - if (CDC_SET_CONTROL_LINE_STATE == r) - { - _usbLineInfo.lineState = setup.wValueL; - - // auto-reset into the bootloader is triggered when the port, already - // open at 1200 bps, is closed. this is the signal to start the watchdog - // with a relatively long period so it can finish housekeeping tasks - // like servicing endpoints before the sketch ends - - uint16_t magic_key_pos = MAGIC_KEY_POS; - -// If we don't use the new RAMEND directly, check manually if we have a newer bootloader. -// This is used to keep compatible with the old leonardo bootloaders. -// You are still able to set the magic key position manually to RAMEND-1 to save a few bytes for this check. -#if MAGIC_KEY_POS != (RAMEND-1) - // For future boards save the key in the inproblematic RAMEND - // Which is reserved for the main() return value (which will never return) - if (isLUFAbootloader()) { - // horray, we got a new bootloader! - magic_key_pos = (RAMEND-1); - } -#endif - - // We check DTR state to determine if host port is open (bit 0 of lineState). - if (1200 == _usbLineInfo.dwDTERate && (_usbLineInfo.lineState & 0x01) == 0) - { -#if MAGIC_KEY_POS != (RAMEND-1) - // Backup ram value if its not a newer bootloader and it hasn't already been saved. - // This should avoid memory corruption at least a bit, not fully - if (magic_key_pos != (RAMEND-1) && *(uint16_t *)magic_key_pos != MAGIC_KEY) { - *(uint16_t *)(RAMEND-1) = *(uint16_t *)magic_key_pos; - } -#endif - // Store boot key - *(uint16_t *)magic_key_pos = MAGIC_KEY; - // Save the watchdog state in case the reset is aborted. - wdtcsr_save = WDTCSR; - wdt_enable(WDTO_120MS); - } - else if (*(uint16_t *)magic_key_pos == MAGIC_KEY) - { - // Most OSs do some intermediate steps when configuring ports and DTR can - // twiggle more than once before stabilizing. - // To avoid spurious resets we set the watchdog to 120ms and eventually - // cancel if DTR goes back high. - // Cancellation is only done if an auto-reset was started, which is - // indicated by the magic key having been set. - - wdt_reset(); - // Restore the watchdog state in case the sketch was using it. - WDTCSR |= (1<= 0) { - return 1 + USB_Available(CDC_RX); - } - return USB_Available(CDC_RX); -} - -int Serial_::peek(void) -{ - if (peek_buffer < 0) - peek_buffer = USB_Recv(CDC_RX); - return peek_buffer; -} - -int Serial_::read(void) -{ - if (peek_buffer >= 0) { - int c = peek_buffer; - peek_buffer = -1; - return c; - } - return USB_Recv(CDC_RX); -} - -int Serial_::availableForWrite(void) -{ - return USB_SendSpace(CDC_TX); -} - -void Serial_::flush(void) -{ - USB_Flush(CDC_TX); -} - -size_t Serial_::write(uint8_t c) -{ - return write(&c, 1); -} - -size_t Serial_::write(const uint8_t *buffer, size_t size) -{ - /* 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,buffer,size); - if (r > 0) { - delay(5); - return r; - } else { - setWriteError(); - return 0; - } - } - setWriteError(); - return 0; -} - -// This operator is a convenient way for a sketch to check whether the -// port has actually been configured and opened by the host (as opposed -// to just being connected to the host). It can be used, for example, in -// setup() before printing to ensure that an application on the host is -// actually ready to receive and display the data. -// We add a short delay before returning to fix a bug observed by Federico -// where the port is configured (lineState != 0) but not quite opened. -Serial_::operator bool() { - bool result = false; - if (_usbLineInfo.lineState > 0) - result = true; - delay(10); - return result; -} - -unsigned long Serial_::baud() { - // Disable interrupts while reading a multi-byte value - uint32_t baudrate; - ATOMIC_BLOCK(ATOMIC_RESTORESTATE) { - baudrate = _usbLineInfo.dwDTERate; - } - return baudrate; -} - -uint8_t Serial_::stopbits() { - return _usbLineInfo.bCharFormat; -} - -uint8_t Serial_::paritytype() { - return _usbLineInfo.bParityType; -} - -uint8_t Serial_::numbits() { - return _usbLineInfo.bDataBits; -} - -bool Serial_::dtr() { - return _usbLineInfo.lineState & 0x1; -} - -bool Serial_::rts() { - return _usbLineInfo.lineState & 0x2; -} - -int32_t Serial_::readBreak() { - int32_t ret; - // Disable IRQs while reading and clearing breakValue to make - // sure we don't overwrite a value just set by the ISR. - ATOMIC_BLOCK(ATOMIC_RESTORESTATE) { - ret = breakValue; - breakValue = -1; - } - return ret; -} - -Serial_ Serial; - -#endif /* if defined(USBCON) */