kopia lustrzana https://github.com/OpenRTX/OpenRTX
Partial implementation of xmodem protocol: function for transmission of xmodem packets and small testsuite for dumping the content of external flash memory via xmodem
Silvano Seva
rodzic
c0a5d0a26e
commit
e56cf52f28
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@ -31,6 +31,7 @@ openrtx_src = ['openrtx/src/core/state.c',
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'openrtx/src/core/dsp.cpp',
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'openrtx/src/core/cps.c',
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'openrtx/src/core/crc.c',
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'openrtx/src/core/xmodem.c',
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'openrtx/src/core/memory_profiling.cpp',
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'openrtx/src/ui/ui.c',
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'openrtx/src/ui/ui_main.c',
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@ -0,0 +1,37 @@
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/***************************************************************************
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* Copyright (C) 2022 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#ifndef XMODEM_H
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#define XMODEM_H
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#include <stdint.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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void xmodem_sendPacket(const void *data, size_t size, uint8_t blockNum);
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#ifdef __cplusplus
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}
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#endif
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#endif /* XMODEM_H */
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@ -0,0 +1,68 @@
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/***************************************************************************
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* Copyright (C) 2022 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#include <crc.h>
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#include <xmodem.h>
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#include <string.h>
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#include <stdio.h>
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#include <usb_vcom.h>
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#define SOH (0x01) /* start of 128-byte data packet */
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#define STX (0x02) /* start of 1024-byte data packet */
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#define EOT (0x04) /* End Of Transmission */
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#define ACK (0x06) /* ACKnowledge, receive OK */
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#define NAK (0x15) /* Negative ACKnowledge, receiver ERROR, retry */
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#define CAN (0x18) /* two CAN in succession will abort transfer */
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#define CRC (0x43) /* 'C' == 0x43, request 16-bit CRC, use in place of first NAK for CRC mode */
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#define ABT1 (0x41) /* 'A' == 0x41, assume try abort by user typing */
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#define ABT2 (0x61) /* 'a' == 0x61, assume try abort by user typing */
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void xmodem_sendPacket(const void *data, size_t size, uint8_t blockNum)
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{
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// Bad payload size, null block number or null data pointer: do not send
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if(((size != 128) && (size != 1024)) || (blockNum == 0) || (data == NULL))
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{
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return;
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}
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uint8_t buf[3] = {SOH, 0x00, 0x00};
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// Override header to STX for 1kB packets
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if(size > 128)
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{
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buf[0] = STX;
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}
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// Sequence number
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buf[1] = blockNum;
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buf[2] = blockNum ^ 0xFF;
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uint16_t crc = crc_ccitt(data, size);
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// Send header, then data and finally CRC
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vcom_writeBlock(buf, 3);
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vcom_writeBlock(data, size);
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buf[0] = crc >> 8;
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buf[1] = crc & 0xFF;
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vcom_writeBlock(buf, 2);
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}
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@ -0,0 +1,104 @@
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/***************************************************************************
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* Copyright (C) 2022 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN, *
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* Frederik Saraci IU2NRO, *
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* Silvano Seva IU2KWO *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <xmodem.h>
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#include <interfaces/platform.h>
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#include <interfaces/delays.h>
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#include "W25Qx.h"
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#include "usb_vcom.h"
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#define SOH (0x01) /* start of 128-byte data packet */
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#define STX (0x02) /* start of 1024-byte data packet */
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#define EOT (0x04) /* End Of Transmission */
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#define ACK (0x06) /* ACKnowledge, receive OK */
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#define NAK (0x15) /* Negative ACKnowledge, receiver ERROR, retry */
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#define CAN (0x18) /* two CAN in succession will abort transfer */
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#define CRC (0x43) /* 'C' == 0x43, request 16-bit CRC, use in place of first NAK for CRC mode */
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#define ABT1 (0x41) /* 'A' == 0x41, assume try abort by user typing */
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#define ABT2 (0x61) /* 'a' == 0x61, assume try abort by user typing */
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static const size_t FLASH_SIZE = 16*1024*1024; /* 16MB */
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uint8_t blockData[1024];
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int main()
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{
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platform_init();
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W25Qx_init();
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W25Qx_wakeup();
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uint8_t cmd = 0;
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while(cmd != 'C')
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{
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platform_ledOn(GREEN);
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sleepFor(0,50);
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platform_ledOff(GREEN);
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sleepFor(0,50);
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vcom_readBlock(&cmd, 1);
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}
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uint8_t block = 1;
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for(size_t addr = 0; addr < FLASH_SIZE; )
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{
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W25Qx_readData(addr, blockData, 1024);
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bool ok = false;
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do
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{
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xmodem_sendPacket(blockData, 1024, block);
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cmd = 0;
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while((cmd != ACK) && (cmd != NAK))
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{
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platform_ledOn(RED);
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sleepFor(0,50);
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platform_ledOff(RED);
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sleepFor(0,50);
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vcom_readBlock(&cmd, 1);
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if(cmd == ACK) ok = true;
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}
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}
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while(ok == false);
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block++;
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if(block == 255) block = 1;
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addr += 1024;
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}
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cmd = EOT;
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vcom_writeBlock(&cmd, 1);
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while(cmd != ACK)
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{
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vcom_readBlock(&cmd, 1);
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}
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while(1)
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{
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platform_ledOn(GREEN);
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sleepFor(1,0);
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platform_ledOff(GREEN);
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sleepFor(1,0);
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}
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return 0;
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}
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