From 5bcc76c427b680e28c001783c29c695e3a8d0c17 Mon Sep 17 00:00:00 2001 From: "roel@libnfc.org" Date: Tue, 4 Dec 2012 23:41:54 +0000 Subject: [PATCH] added missing files --- armsrc/cmd.c | 75 +++++++ armsrc/cmd.h | 44 ++++ armsrc/usb_cdc.c | 548 +++++++++++++++++++++++++++++++++++++++++++++++ armsrc/usb_cdc.h | 47 ++++ client/uart.c | 390 +++++++++++++++++++++++++++++++++ client/uart.h | 76 +++++++ 6 files changed, 1180 insertions(+) create mode 100644 armsrc/cmd.c create mode 100644 armsrc/cmd.h create mode 100644 armsrc/usb_cdc.c create mode 100644 armsrc/usb_cdc.h create mode 100644 client/uart.c create mode 100644 client/uart.h diff --git a/armsrc/cmd.c b/armsrc/cmd.c new file mode 100644 index 00000000..f64b4e40 --- /dev/null +++ b/armsrc/cmd.c @@ -0,0 +1,75 @@ +/* + * Proxmark send and receive commands + * + * Copyright (c) 2010, Roel Verdult + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * @file cmd.c + * @brief + */ + +#include "cmd.h" +#include "string.h" +#include "util.h" +#include "proxmark3.h" + +//static UsbCommand txcmd; + +bool cmd_receive(UsbCommand* cmd) { + + // Check if there is a usb packet available + if (!usb_poll()) return false; + + // Try to retrieve the available command frame + size_t rxlen = usb_read((byte_t*)cmd,sizeof(UsbCommand)); + + // Check if the transfer was complete + if (rxlen != sizeof(UsbCommand)) return false; + + // Received command successfully + return true; +} + +bool cmd_send(uint32_t cmd, uint32_t arg0, uint32_t arg1, uint32_t arg2, byte_t* data, size_t len) { + UsbCommand txcmd; + + // Compose the outgoing command frame + txcmd.cmd = cmd; + txcmd.arg[0] = arg0; + txcmd.arg[1] = arg1; + txcmd.arg[2] = arg2; + + // Add the (optional) content to the frame, with a maximum size of USB_CMD_DATA_SIZE + if (data && len) { + memcpy(txcmd.d.asBytes,data,MIN(len,USB_CMD_DATA_SIZE)); + } + + // Send frame and make sure all bytes are transmitted + if (usb_write((byte_t*)&txcmd,sizeof(UsbCommand)) != 0) return false; + + return true; +} + + diff --git a/armsrc/cmd.h b/armsrc/cmd.h new file mode 100644 index 00000000..c10a534f --- /dev/null +++ b/armsrc/cmd.h @@ -0,0 +1,44 @@ +/* + * Proxmark send and receive commands + * + * Copyright (c) 2010, Roel Verdult + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * @file cmd.h + * @brief + */ + +#ifndef _PROXMARK_CMD_H_ +#define _PROXMARK_CMD_H_ + +#include +#include +#include "usb_cdc.h" + +bool cmd_receive(UsbCommand* cmd); +bool cmd_send(uint32_t cmd, uint32_t arg0, uint32_t arg1, uint32_t arg2, byte_t* data, size_t len); + +#endif // _PROXMARK_CMD_H_ + diff --git a/armsrc/usb_cdc.c b/armsrc/usb_cdc.c new file mode 100644 index 00000000..c3975f1d --- /dev/null +++ b/armsrc/usb_cdc.c @@ -0,0 +1,548 @@ +/* + * at91sam7s USB CDC device implementation + * + * Copyright (c) 2012, Roel Verdult + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * based on the "Basic USB Example" from ATMEL (doc6123.pdf) + * + * @file usb_cdc.c + * @brief + */ + +#include "usb_cdc.h" + +#define MIN(a, b) (((a) < (b)) ? (a) : (b)) +#define MAX(a, b) (((a) > (b)) ? (a) : (b)) +#define AT91C_EP_IN_SIZE 0x40 +#define AT91C_EP_OUT 1 +#define AT91C_EP_OUT_SIZE 0x40 +#define AT91C_EP_IN 2 + +const char devDescriptor[] = { + /* Device descriptor */ + 0x12, // bLength + 0x01, // bDescriptorType + 0x10,0x01, // Complies with USB Spec. Release (0110h = release 1.10) + 0x02, // bDeviceClass: CDC class code + 0x00, // bDeviceSubclass: CDC class sub code + 0x00, // bDeviceProtocol: CDC Device protocol + 0x08, // bMaxPacketSize0 + 0xeb,0x03, // Vendor ID (random numbers) + 0x25,0x61, // Product ID (random numbers) + 0x01,0x00, // Device release number (0001) + 0x01, // iManufacturer // 0x01 + 0x00, // iProduct + 0x00, // SerialNumber + 0x01 // bNumConfigs +}; + +const char cfgDescriptor[] = { + /* ============== CONFIGURATION 1 =========== */ + /* Configuration 1 descriptor */ + 0x09, // CbLength + 0x02, // CbDescriptorType + 0x43, // CwTotalLength 2 EP + Control + 0x00, + 0x02, // CbNumInterfaces + 0x01, // CbConfigurationValue + 0x00, // CiConfiguration + 0xC0, // CbmAttributes 0xA0 + 0x00, // CMaxPower + + /* Communication Class Interface Descriptor Requirement */ + 0x09, // bLength + 0x04, // bDescriptorType + 0x00, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x01, // bNumEndpoints + 0x02, // bInterfaceClass + 0x02, // bInterfaceSubclass + 0x00, // bInterfaceProtocol + 0x00, // iInterface + + /* Header Functional Descriptor */ + 0x05, // bFunction Length + 0x24, // bDescriptor type: CS_INTERFACE + 0x00, // bDescriptor subtype: Header Func Desc + 0x10, // bcdCDC:1.1 + 0x01, + + /* ACM Functional Descriptor */ + 0x04, // bFunctionLength + 0x24, // bDescriptor Type: CS_INTERFACE + 0x02, // bDescriptor Subtype: ACM Func Desc + 0x00, // bmCapabilities + + /* Union Functional Descriptor */ + 0x05, // bFunctionLength + 0x24, // bDescriptorType: CS_INTERFACE + 0x06, // bDescriptor Subtype: Union Func Desc + 0x00, // bMasterInterface: Communication Class Interface + 0x01, // bSlaveInterface0: Data Class Interface + + /* Call Management Functional Descriptor */ + 0x05, // bFunctionLength + 0x24, // bDescriptor Type: CS_INTERFACE + 0x01, // bDescriptor Subtype: Call Management Func Desc + 0x00, // bmCapabilities: D1 + D0 + 0x01, // bDataInterface: Data Class Interface 1 + + /* Endpoint 1 descriptor */ + 0x07, // bLength + 0x05, // bDescriptorType + 0x83, // bEndpointAddress, Endpoint 03 - IN + 0x03, // bmAttributes INT + 0x08, // wMaxPacketSize + 0x00, + 0xFF, // bInterval + + /* Data Class Interface Descriptor Requirement */ + 0x09, // bLength + 0x04, // bDescriptorType + 0x01, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x02, // bNumEndpoints + 0x0A, // bInterfaceClass + 0x00, // bInterfaceSubclass + 0x00, // bInterfaceProtocol + 0x00, // iInterface + + /* First alternate setting */ + /* Endpoint 1 descriptor */ + 0x07, // bLength + 0x05, // bDescriptorType + 0x01, // bEndpointAddress, Endpoint 01 - OUT + 0x02, // bmAttributes BULK + AT91C_EP_OUT_SIZE, // wMaxPacketSize + 0x00, + 0x00, // bInterval + + /* Endpoint 2 descriptor */ + 0x07, // bLength + 0x05, // bDescriptorType + 0x82, // bEndpointAddress, Endpoint 02 - IN + 0x02, // bmAttributes BULK + AT91C_EP_IN_SIZE, // wMaxPacketSize + 0x00, + 0x00 // bInterval +}; + +const char strDescriptor[] = { + 26, // Length + 0x03, // Type is string + 'p', 0x00, + 'r', 0x00, + 'o', 0x00, + 'x', 0x00, + 'm', 0x00, + 'a', 0x00, + 'r', 0x00, + 'k', 0x00, + '.', 0x00, + 'o', 0x00, + 'r', 0x00, + 'g', 0x00, +}; + + +/* USB standard request code */ +#define STD_GET_STATUS_ZERO 0x0080 +#define STD_GET_STATUS_INTERFACE 0x0081 +#define STD_GET_STATUS_ENDPOINT 0x0082 + +#define STD_CLEAR_FEATURE_ZERO 0x0100 +#define STD_CLEAR_FEATURE_INTERFACE 0x0101 +#define STD_CLEAR_FEATURE_ENDPOINT 0x0102 + +#define STD_SET_FEATURE_ZERO 0x0300 +#define STD_SET_FEATURE_INTERFACE 0x0301 +#define STD_SET_FEATURE_ENDPOINT 0x0302 + +#define STD_SET_ADDRESS 0x0500 +#define STD_GET_DESCRIPTOR 0x0680 +#define STD_SET_DESCRIPTOR 0x0700 +#define STD_GET_CONFIGURATION 0x0880 +#define STD_SET_CONFIGURATION 0x0900 +#define STD_GET_INTERFACE 0x0A81 +#define STD_SET_INTERFACE 0x0B01 +#define STD_SYNCH_FRAME 0x0C82 + +/* CDC Class Specific Request Code */ +#define GET_LINE_CODING 0x21A1 +#define SET_LINE_CODING 0x2021 +#define SET_CONTROL_LINE_STATE 0x2221 + +typedef struct { + unsigned int dwDTERRate; + char bCharFormat; + char bParityType; + char bDataBits; +} AT91S_CDC_LINE_CODING, *AT91PS_CDC_LINE_CODING; + +AT91S_CDC_LINE_CODING line = { + 115200, // baudrate + 0, // 1 Stop Bit + 0, // None Parity + 8}; // 8 Data bits + +void AT91F_CDC_Enumerate(); + +AT91PS_UDP pUdp = AT91C_BASE_UDP; +byte_t btConfiguration = 0; +byte_t btConnection = 0; +byte_t btReceiveBank = AT91C_UDP_RX_DATA_BK0; + +//*---------------------------------------------------------------------------- +//* \fn AT91F_USB_Enable +//* \brief This function Activates the USB device +//*---------------------------------------------------------------------------- +void usb_enable() +{ + // Set the PLL USB Divider + AT91C_BASE_CKGR->CKGR_PLLR |= AT91C_CKGR_USBDIV_1 ; + + // Specific Chip USB Initialisation + // Enables the 48MHz USB clock UDPCK and System Peripheral USB Clock + AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_UDP; + AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_UDP); + + // Enable UDP PullUp (USB_DP_PUP) : enable & Clear of the corresponding PIO + // Set in PIO mode and Configure in Output + AT91C_BASE_PIOA->PIO_PER = AT91C_PIO_PA16; // Set in PIO mode + AT91C_BASE_PIOA->PIO_OER = AT91C_PIO_PA16; // Configure as Output + + // Clear for set the Pul up resistor + AT91C_BASE_PIOA->PIO_CODR = AT91C_PIO_PA16; +} + +//*---------------------------------------------------------------------------- +//* \fn AT91F_UDP_IsConfigured +//* \brief Test if the device is configured and handle enumeration +//*---------------------------------------------------------------------------- +bool usb_check() +{ + AT91_REG isr = pUdp->UDP_ISR; + + if (isr & AT91C_UDP_ENDBUSRES) { + pUdp->UDP_ICR = AT91C_UDP_ENDBUSRES; + // reset all endpoints + pUdp->UDP_RSTEP = (unsigned int)-1; + pUdp->UDP_RSTEP = 0; + // Enable the function + pUdp->UDP_FADDR = AT91C_UDP_FEN; + // Configure endpoint 0 + pUdp->UDP_CSR[0] = (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_CTRL); + } + else if (isr & AT91C_UDP_EPINT0) { + pUdp->UDP_ICR = AT91C_UDP_EPINT0; + AT91F_CDC_Enumerate(); + } + return (btConfiguration) ? true : false; +} + + +bool usb_poll() +{ + if (!usb_check()) return false; + return (pUdp->UDP_CSR[AT91C_EP_OUT] & btReceiveBank); +} + +//*---------------------------------------------------------------------------- +//* \fn AT91F_UDP_Read +//* \brief Read available data from Endpoint OUT +//*---------------------------------------------------------------------------- +uint32_t usb_read(byte_t* data, size_t len) +{ + byte_t bank = btReceiveBank; + uint32_t packetSize, nbBytesRcv = 0; + uint32_t time_out = 0; + + while (len) + { + if (!usb_check()) break; + + if ( pUdp->UDP_CSR[AT91C_EP_OUT] & bank ) { + packetSize = MIN(pUdp->UDP_CSR[AT91C_EP_OUT] >> 16, len); + len -= packetSize; + while(packetSize--) + data[nbBytesRcv++] = pUdp->UDP_FDR[AT91C_EP_OUT]; + pUdp->UDP_CSR[AT91C_EP_OUT] &= ~(bank); + if (bank == AT91C_UDP_RX_DATA_BK0) + { + bank = AT91C_UDP_RX_DATA_BK1; + } else { + bank = AT91C_UDP_RX_DATA_BK0; + } + } + if (time_out++ == 0x1fff) break; + } + + btReceiveBank = bank; + return nbBytesRcv; +} + +//*---------------------------------------------------------------------------- +//* \fn AT91F_CDC_Write +//* \brief Send through endpoint 2 +//*---------------------------------------------------------------------------- +uint32_t usb_write(const byte_t* data, const size_t len) +{ + size_t length = len; + uint32_t cpt = 0; + + if (!length) return 0; + if (!usb_check()) return 0; + + // Send the first packet + cpt = MIN(length, AT91C_EP_IN_SIZE-1); + length -= cpt; + while (cpt--) pUdp->UDP_FDR[AT91C_EP_IN] = *data++; + pUdp->UDP_CSR[AT91C_EP_IN] |= AT91C_UDP_TXPKTRDY; + + while (length) { + // Fill the second bank + cpt = MIN(length, AT91C_EP_IN_SIZE-1); + length -= cpt; + while (cpt--) pUdp->UDP_FDR[AT91C_EP_IN] = *data++; + // Wait for the the first bank to be sent + while (!(pUdp->UDP_CSR[AT91C_EP_IN] & AT91C_UDP_TXCOMP)) { + if (!usb_check()) return length; + } + pUdp->UDP_CSR[AT91C_EP_IN] &= ~(AT91C_UDP_TXCOMP); + while (pUdp->UDP_CSR[AT91C_EP_IN] & AT91C_UDP_TXCOMP); + pUdp->UDP_CSR[AT91C_EP_IN] |= AT91C_UDP_TXPKTRDY; + } + + // Wait for the end of transfer + while (!(pUdp->UDP_CSR[AT91C_EP_IN] & AT91C_UDP_TXCOMP)) { + if (!usb_check()) return length; + } + + pUdp->UDP_CSR[AT91C_EP_IN] &= ~(AT91C_UDP_TXCOMP); + while (pUdp->UDP_CSR[AT91C_EP_IN] & AT91C_UDP_TXCOMP); + + return length; +} + +//*---------------------------------------------------------------------------- +//* \fn AT91F_USB_SendData +//* \brief Send Data through the control endpoint +//*---------------------------------------------------------------------------- +unsigned int csrTab[100]; +unsigned char csrIdx = 0; + +static void AT91F_USB_SendData(AT91PS_UDP pUdp, const char *pData, uint32_t length) +{ + uint32_t cpt = 0; + AT91_REG csr; + + do { + cpt = MIN(length, 8); + length -= cpt; + + while (cpt--) + pUdp->UDP_FDR[0] = *pData++; + + if (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) { + pUdp->UDP_CSR[0] &= ~(AT91C_UDP_TXCOMP); + while (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP); + } + + pUdp->UDP_CSR[0] |= AT91C_UDP_TXPKTRDY; + do { + csr = pUdp->UDP_CSR[0]; + + // Data IN stage has been stopped by a status OUT + if (csr & AT91C_UDP_RX_DATA_BK0) { + pUdp->UDP_CSR[0] &= ~(AT91C_UDP_RX_DATA_BK0); + return; + } + } while ( !(csr & AT91C_UDP_TXCOMP) ); + + } while (length); + + if (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) { + pUdp->UDP_CSR[0] &= ~(AT91C_UDP_TXCOMP); + while (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP); + } +} + +//*---------------------------------------------------------------------------- +//* \fn AT91F_USB_SendZlp +//* \brief Send zero length packet through the control endpoint +//*---------------------------------------------------------------------------- +void AT91F_USB_SendZlp(AT91PS_UDP pUdp) +{ + pUdp->UDP_CSR[0] |= AT91C_UDP_TXPKTRDY; + while ( !(pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) ); + pUdp->UDP_CSR[0] &= ~(AT91C_UDP_TXCOMP); + while (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP); +} + +//*---------------------------------------------------------------------------- +//* \fn AT91F_USB_SendStall +//* \brief Stall the control endpoint +//*---------------------------------------------------------------------------- +void AT91F_USB_SendStall(AT91PS_UDP pUdp) +{ + pUdp->UDP_CSR[0] |= AT91C_UDP_FORCESTALL; + while ( !(pUdp->UDP_CSR[0] & AT91C_UDP_ISOERROR) ); + pUdp->UDP_CSR[0] &= ~(AT91C_UDP_FORCESTALL | AT91C_UDP_ISOERROR); + while (pUdp->UDP_CSR[0] & (AT91C_UDP_FORCESTALL | AT91C_UDP_ISOERROR)); +} + +//*---------------------------------------------------------------------------- +//* \fn AT91F_CDC_Enumerate +//* \brief This function is a callback invoked when a SETUP packet is received +//*---------------------------------------------------------------------------- +void AT91F_CDC_Enumerate() +{ + byte_t bmRequestType, bRequest; + uint16_t wValue, wIndex, wLength, wStatus; + + if ( !(pUdp->UDP_CSR[0] & AT91C_UDP_RXSETUP) ) + return; + + bmRequestType = pUdp->UDP_FDR[0]; + bRequest = pUdp->UDP_FDR[0]; + wValue = (pUdp->UDP_FDR[0] & 0xFF); + wValue |= (pUdp->UDP_FDR[0] << 8); + wIndex = (pUdp->UDP_FDR[0] & 0xFF); + wIndex |= (pUdp->UDP_FDR[0] << 8); + wLength = (pUdp->UDP_FDR[0] & 0xFF); + wLength |= (pUdp->UDP_FDR[0] << 8); + + if (bmRequestType & 0x80) { + pUdp->UDP_CSR[0] |= AT91C_UDP_DIR; + while ( !(pUdp->UDP_CSR[0] & AT91C_UDP_DIR) ); + } + pUdp->UDP_CSR[0] &= ~AT91C_UDP_RXSETUP; + while ( (pUdp->UDP_CSR[0] & AT91C_UDP_RXSETUP) ); + + // Handle supported standard device request Cf Table 9-3 in USB specification Rev 1.1 + switch ((bRequest << 8) | bmRequestType) { + case STD_GET_DESCRIPTOR: + if (wValue == 0x100) // Return Device Descriptor + AT91F_USB_SendData(pUdp, devDescriptor, MIN(sizeof(devDescriptor), wLength)); + else if (wValue == 0x200) // Return Configuration Descriptor + AT91F_USB_SendData(pUdp, cfgDescriptor, MIN(sizeof(cfgDescriptor), wLength)); + else if ((wValue & 0x300) == 0x300) // Return String Descriptor + AT91F_USB_SendData(pUdp, strDescriptor, MIN(sizeof(strDescriptor), wLength)); + else + AT91F_USB_SendStall(pUdp); + break; + case STD_SET_ADDRESS: + AT91F_USB_SendZlp(pUdp); + pUdp->UDP_FADDR = (AT91C_UDP_FEN | wValue); + pUdp->UDP_GLBSTATE = (wValue) ? AT91C_UDP_FADDEN : 0; + break; + case STD_SET_CONFIGURATION: + btConfiguration = wValue; + AT91F_USB_SendZlp(pUdp); + pUdp->UDP_GLBSTATE = (wValue) ? AT91C_UDP_CONFG : AT91C_UDP_FADDEN; + pUdp->UDP_CSR[1] = (wValue) ? (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_BULK_OUT) : 0; + pUdp->UDP_CSR[2] = (wValue) ? (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_BULK_IN) : 0; + pUdp->UDP_CSR[3] = (wValue) ? (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_INT_IN) : 0; + break; + case STD_GET_CONFIGURATION: + AT91F_USB_SendData(pUdp, (char *) &(btConfiguration), sizeof(btConfiguration)); + break; + case STD_GET_STATUS_ZERO: + wStatus = 0; + AT91F_USB_SendData(pUdp, (char *) &wStatus, sizeof(wStatus)); + break; + case STD_GET_STATUS_INTERFACE: + wStatus = 0; + AT91F_USB_SendData(pUdp, (char *) &wStatus, sizeof(wStatus)); + break; + case STD_GET_STATUS_ENDPOINT: + wStatus = 0; + wIndex &= 0x0F; + if ((pUdp->UDP_GLBSTATE & AT91C_UDP_CONFG) && (wIndex <= 3)) { + wStatus = (pUdp->UDP_CSR[wIndex] & AT91C_UDP_EPEDS) ? 0 : 1; + AT91F_USB_SendData(pUdp, (char *) &wStatus, sizeof(wStatus)); + } + else if ((pUdp->UDP_GLBSTATE & AT91C_UDP_FADDEN) && (wIndex == 0)) { + wStatus = (pUdp->UDP_CSR[wIndex] & AT91C_UDP_EPEDS) ? 0 : 1; + AT91F_USB_SendData(pUdp, (char *) &wStatus, sizeof(wStatus)); + } + else + AT91F_USB_SendStall(pUdp); + break; + case STD_SET_FEATURE_ZERO: + AT91F_USB_SendStall(pUdp); + break; + case STD_SET_FEATURE_INTERFACE: + AT91F_USB_SendZlp(pUdp); + break; + case STD_SET_FEATURE_ENDPOINT: + wIndex &= 0x0F; + if ((wValue == 0) && wIndex && (wIndex <= 3)) { + pUdp->UDP_CSR[wIndex] = 0; + AT91F_USB_SendZlp(pUdp); + } + else + AT91F_USB_SendStall(pUdp); + break; + case STD_CLEAR_FEATURE_ZERO: + AT91F_USB_SendStall(pUdp); + break; + case STD_CLEAR_FEATURE_INTERFACE: + AT91F_USB_SendZlp(pUdp); + break; + case STD_CLEAR_FEATURE_ENDPOINT: + wIndex &= 0x0F; + if ((wValue == 0) && wIndex && (wIndex <= 3)) { + if (wIndex == 1) + pUdp->UDP_CSR[1] = (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_BULK_OUT); + else if (wIndex == 2) + pUdp->UDP_CSR[2] = (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_BULK_IN); + else if (wIndex == 3) + pUdp->UDP_CSR[3] = (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_ISO_IN); + AT91F_USB_SendZlp(pUdp); + } + else + AT91F_USB_SendStall(pUdp); + break; + + // handle CDC class requests + case SET_LINE_CODING: + while ( !(pUdp->UDP_CSR[0] & AT91C_UDP_RX_DATA_BK0) ); + pUdp->UDP_CSR[0] &= ~(AT91C_UDP_RX_DATA_BK0); + AT91F_USB_SendZlp(pUdp); + break; + case GET_LINE_CODING: + AT91F_USB_SendData(pUdp, (char *) &line, MIN(sizeof(line), wLength)); + break; + case SET_CONTROL_LINE_STATE: + btConnection = wValue; + AT91F_USB_SendZlp(pUdp); + break; + default: + AT91F_USB_SendStall(pUdp); + break; + } +} diff --git a/armsrc/usb_cdc.h b/armsrc/usb_cdc.h new file mode 100644 index 00000000..8a5cd6bd --- /dev/null +++ b/armsrc/usb_cdc.h @@ -0,0 +1,47 @@ +/* + * at91sam7s USB CDC device implementation + * + * Copyright (c) 2012, Roel Verdult + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * based on the "Basic USB Example" from ATMEL (doc6123.pdf) + * + * @file usb_cdc.c + * @brief + */ + +#ifndef _USB_CDC_H_ +#define _USB_CDC_H_ + +#include + +void usb_enable(); +bool usb_check(); +bool usb_poll(); +uint32_t usb_read(byte_t* data, size_t len); +uint32_t usb_write(const byte_t* data, const size_t len); + +#endif // _USB_CDC_H_ + diff --git a/client/uart.c b/client/uart.c new file mode 100644 index 00000000..e4da1951 --- /dev/null +++ b/client/uart.c @@ -0,0 +1,390 @@ +/* + * Proxmark3 generic uart / rs232/ serial port library + * + * Copyright (c) 2012, Roel Verdult + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * @file uart.c + * @brief + * + * Partly based on uart-code written by Teunis van Beelen, available: + * http://www.teuniz.net/RS-232/index.html + * + */ + +#include "uart.h" +#include "messages.h" + +// Test if we are dealing with unix operating systems +#ifndef _WIN32 + +#include +typedef struct termios term_info; +typedef struct { + int fd; // Serial port file descriptor + term_info tiOld; // Terminal info before using the port + term_info tiNew; // Terminal info during the transaction +} serial_port_unix; + +// Set time-out on 30 miliseconds +const struct timeval timeout = { + .tv_sec = 0, // 0 second + .tv_usec = 30000 // 30000 micro seconds +}; + +// Work-around to claim uart interface using the c_iflag (software input processing) from the termios struct +#define CCLAIMED 0x80000000 + +serial_port uart_open(const char* pcPortName) +{ + serial_port_unix* sp = malloc(sizeof(serial_port_unix)); + + if (sp == 0) return INVALID_SERIAL_PORT; + + sp->fd = open(pcPortName, O_RDWR | O_NOCTTY | O_NDELAY | O_NONBLOCK); + if(sp->fd == -1) + { + uart_close(sp); + return INVALID_SERIAL_PORT; + } + + if(tcgetattr(sp->fd,&sp->tiOld) == -1) + { + uart_close(sp); + return INVALID_SERIAL_PORT; + } + + // Make sure the port is not claimed already + if (sp->tiOld.c_iflag & CCLAIMED) + { + uart_close(sp); + return CLAIMED_SERIAL_PORT; + } + + // Copy the old terminal info struct + sp->tiNew = sp->tiOld; + + sp->tiNew.c_cflag = CS8 | CLOCAL | CREAD; + sp->tiNew.c_iflag = CCLAIMED | IGNPAR; + sp->tiNew.c_oflag = 0; + sp->tiNew.c_lflag = 0; + + sp->tiNew.c_cc[VMIN] = 0; // block until n bytes are received + sp->tiNew.c_cc[VTIME] = 0; // block until a timer expires (n * 100 mSec.) + + if(tcsetattr(sp->fd,TCSANOW,&sp->tiNew) == -1) + { + uart_close(sp); + return INVALID_SERIAL_PORT; + } + + tcflush(sp->fd, TCIFLUSH); + return sp; +} + +void uart_set_speed(serial_port sp, const uint32_t uiPortSpeed) +{ + DBG("Serial port speed requested to be set to %d bauds.", uiPortSpeed); + // Set port speed (Input and Output) + speed_t stPortSpeed = B9600; + switch(uiPortSpeed) { + case 9600: stPortSpeed = B9600; + break; + case 19200: stPortSpeed = B19200; + break; + case 38400: stPortSpeed = B38400; + break; + case 57600: stPortSpeed = B57600; + break; + case 115200: stPortSpeed = B115200; + break; + case 230400: stPortSpeed = B230400; + break; +#ifdef B460800 + case 460800: stPortSpeed = B460800; + break; +#endif + default: +#ifdef B460800 + ERR("Unable to set serial port speed to %d bauds. Speed value must be one of these constants: 9600 (default), 19200, 38400, 57600, 115200, 230400 or 460800.", uiPortSpeed); +#else + ERR("Unable to set serial port speed to %d bauds. Speed value must be one of these constants: 9600 (default), 19200, 38400, 57600, 115200 or 230400.", uiPortSpeed); +#endif + }; + const serial_port_unix* spu = (serial_port_unix*)sp; + cfsetispeed((struct termios*)&spu->tiNew, stPortSpeed); + cfsetospeed((struct termios*)&spu->tiNew, stPortSpeed); + if( tcsetattr(spu->fd, TCSADRAIN, &spu->tiNew) == -1) + { + ERR("Unable to apply new speed settings."); + } +} + +uint32_t uart_get_speed(const serial_port sp) +{ + uint32_t uiPortSpeed = 0; + const serial_port_unix* spu = (serial_port_unix*)sp; + switch (cfgetispeed(&spu->tiNew)) + { + case B9600: uiPortSpeed = 9600; + break; + case B19200: uiPortSpeed = 19200; + break; + case B38400: uiPortSpeed = 38400; + break; + case B57600: uiPortSpeed = 57600; + break; + case B115200: uiPortSpeed = 115200; + break; + case B230400: uiPortSpeed = 230400; + break; +#ifdef B460800 + case B460800: uiPortSpeed = 460800; + break; +#endif + } + + return uiPortSpeed; +} + +void uart_close(const serial_port sp) +{ + tcsetattr(((serial_port_unix*)sp)->fd,TCSANOW,&((serial_port_unix*)sp)->tiOld); + close(((serial_port_unix*)sp)->fd); + free(sp); +} + +bool uart_cts(const serial_port sp) +{ + char status; + if (ioctl(((serial_port_unix*)sp)->fd,TIOCMGET,&status) < 0) return false; + return (status & TIOCM_CTS); +} + +bool uart_receive(const serial_port sp, byte_t* pbtRx, size_t* pszRxLen) +{ + int res; + int byteCount; + fd_set rfds; + struct timeval tv; + + // Reset the output count + *pszRxLen = 0; + + do { + // Reset file descriptor + FD_ZERO(&rfds); + FD_SET(((serial_port_unix*)sp)->fd,&rfds); + tv = timeout; + res = select(((serial_port_unix*)sp)->fd+1, &rfds, NULL, NULL, &tv); + + // Read error + if (res < 0) { + DBG("RX error."); + return false; + } + + // Read time-out + if (res == 0) { + if (*pszRxLen == 0) { + // Error, we received no data + DBG("RX time-out, buffer empty."); + return false; + } else { + // We received some data, but nothing more is available + return true; + } + } + + // Retrieve the count of the incoming bytes + res = ioctl(((serial_port_unix*)sp)->fd, FIONREAD, &byteCount); + if (res < 0) return false; + + // There is something available, read the data + res = read(((serial_port_unix*)sp)->fd,pbtRx+(*pszRxLen),byteCount); + + // Stop if the OS has some troubles reading the data + if (res <= 0) return false; + + *pszRxLen += res; + + } while (byteCount); + + return true; +} + +bool uart_send(const serial_port sp, const byte_t* pbtTx, const size_t szTxLen) +{ + int32_t res; + size_t szPos = 0; + fd_set rfds; + struct timeval tv; + + while (szPos < szTxLen) + { + // Reset file descriptor + FD_ZERO(&rfds); + FD_SET(((serial_port_unix*)sp)->fd,&rfds); + tv = timeout; + res = select(((serial_port_unix*)sp)->fd+1, NULL, &rfds, NULL, &tv); + + // Write error + if (res < 0) { + DBG("TX error."); + return false; + } + + // Write time-out + if (res == 0) { + DBG("TX time-out."); + return false; + } + + // Send away the bytes + res = write(((serial_port_unix*)sp)->fd,pbtTx+szPos,szTxLen-szPos); + + // Stop if the OS has some troubles sending the data + if (res <= 0) return false; + + szPos += res; + } + return true; +} + +#else +// The windows serial port implementation + +typedef struct { + HANDLE hPort; // Serial port handle + DCB dcb; // Device control settings + COMMTIMEOUTS ct; // Serial port time-out configuration +} serial_port_windows; + +serial_port uart_open(const char* pcPortName) +{ + char acPortName[255]; + serial_port_windows* sp = malloc(sizeof(serial_port_windows)); + + // Copy the input "com?" to "\\.\COM?" format + sprintf(acPortName,"\\\\.\\%s",pcPortName); + _strupr(acPortName); + + // Try to open the serial port + sp->hPort = CreateFileA(acPortName,GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL); + if (sp->hPort == INVALID_HANDLE_VALUE) + { + uart_close(sp); + return INVALID_SERIAL_PORT; + } + + // Prepare the device control + memset(&sp->dcb, 0, sizeof(DCB)); + sp->dcb.DCBlength = sizeof(DCB); + if(!BuildCommDCBA("baud=9600 data=8 parity=N stop=1",&sp->dcb)) + { + uart_close(sp); + return INVALID_SERIAL_PORT; + } + + // Update the active serial port + if(!SetCommState(sp->hPort,&sp->dcb)) + { + uart_close(sp); + return INVALID_SERIAL_PORT; + } + + sp->ct.ReadIntervalTimeout = 0; + sp->ct.ReadTotalTimeoutMultiplier = 0; + sp->ct.ReadTotalTimeoutConstant = 30; + sp->ct.WriteTotalTimeoutMultiplier = 0; + sp->ct.WriteTotalTimeoutConstant = 30; + + if(!SetCommTimeouts(sp->hPort,&sp->ct)) + { + uart_close(sp); + return INVALID_SERIAL_PORT; + } + + PurgeComm(sp->hPort, PURGE_RXABORT | PURGE_RXCLEAR); + + return sp; +} + +void uart_close(const serial_port sp) +{ + CloseHandle(((serial_port_windows*)sp)->hPort); + free(sp); +} + +void uart_set_speed(serial_port sp, const uint32_t uiPortSpeed) +{ + serial_port_windows* spw; + + DBG("Serial port speed requested to be set to %d bauds.", uiPortSpeed); + // Set port speed (Input and Output) + switch(uiPortSpeed) { + case 9600: + case 19200: + case 38400: + case 57600: + case 115200: + case 230400: + case 460800: + break; + default: + ERR("Unable to set serial port speed to %d bauds. Speed value must be one of these constants: 9600 (default), 19200, 38400, 57600, 115200, 230400 or 460800.", uiPortSpeed); + }; + + spw = (serial_port_windows*)sp; + spw->dcb.BaudRate = uiPortSpeed; + if (!SetCommState(spw->hPort, &spw->dcb)) + { + ERR("Unable to apply new speed settings."); + } +} + +uint32_t uart_get_speed(const serial_port sp) +{ + const serial_port_windows* spw = (serial_port_windows*)sp; + if (!GetCommState(spw->hPort, (serial_port)&spw->dcb)) + return spw->dcb.BaudRate; + + return 0; +} + +bool uart_receive(const serial_port sp, byte_t* pbtRx, size_t* pszRxLen) +{ + ReadFile(((serial_port_windows*)sp)->hPort,pbtRx,*pszRxLen,(LPDWORD)pszRxLen,NULL); + return (*pszRxLen != 0); +} + +bool uart_send(const serial_port sp, const byte_t* pbtTx, const size_t szTxLen) +{ + DWORD dwTxLen = 0; + return WriteFile(((serial_port_windows*)sp)->hPort,pbtTx,szTxLen,&dwTxLen,NULL); + return (dwTxLen != 0); +} + +#endif diff --git a/client/uart.h b/client/uart.h new file mode 100644 index 00000000..7b00641f --- /dev/null +++ b/client/uart.h @@ -0,0 +1,76 @@ +/* + * Proxmark3 generic uart / rs232/ serial port library + * + * Copyright (c) 2012, Roel Verdult + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * @file uart.h + * @brief + * + */ + +#ifndef _PROXMARK3_RS232_H_ +#define _PROXMARK3_RS232_H_ + +#include +#include +#include + +#include +#include + +typedef unsigned char byte_t; + +// Handle platform specific includes +#ifndef _WIN32 + #include + #include + #include + #include + #include + #include + #include + #include +#else + #include +#endif + +// Define shortcut to types to make code more readable +typedef void* serial_port; +#define INVALID_SERIAL_PORT (void*)(~1) +#define CLAIMED_SERIAL_PORT (void*)(~2) + +serial_port uart_open(const char* pcPortName); +void uart_close(const serial_port sp); + +void uart_set_speed(serial_port sp, const uint32_t uiPortSpeed); +uint32_t uart_get_speed(const serial_port sp); + +bool uart_receive(const serial_port sp, byte_t* pbtRx, size_t* pszRxLen); +bool uart_send(const serial_port sp, const byte_t* pbtTx, const size_t szTxLen); + +#endif // _PROXMARK3_RS232_H_ + + -- 2.39.2