386 lines
9.9 KiB
C
386 lines
9.9 KiB
C
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/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#include "hal_trace.h"
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#include "hal_uart.h"
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#include "string.h"
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#include "hal_timer.h"
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#define SOH 0x01
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#define STX 0x02
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#define EOT 0x04
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#define ACK 0x06
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#define NAK 0x15
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#define CAN 0x18
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#define CTRLZ 0x1A
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#define DLY_1S 1000
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#define MAXRETRANS 25
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#define TRANSMIT_XMODEM_1K
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/* CRC16 implementation acording to CCITT standards */
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static const unsigned short crc16tab[256]= {
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0x0000,0x1021,0x2042,0x3063,0x4084,0x50a5,0x60c6,0x70e7,
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0x8108,0x9129,0xa14a,0xb16b,0xc18c,0xd1ad,0xe1ce,0xf1ef,
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0x1231,0x0210,0x3273,0x2252,0x52b5,0x4294,0x72f7,0x62d6,
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0x9339,0x8318,0xb37b,0xa35a,0xd3bd,0xc39c,0xf3ff,0xe3de,
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0x2462,0x3443,0x0420,0x1401,0x64e6,0x74c7,0x44a4,0x5485,
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0xa56a,0xb54b,0x8528,0x9509,0xe5ee,0xf5cf,0xc5ac,0xd58d,
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0x3653,0x2672,0x1611,0x0630,0x76d7,0x66f6,0x5695,0x46b4,
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0xb75b,0xa77a,0x9719,0x8738,0xf7df,0xe7fe,0xd79d,0xc7bc,
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0x48c4,0x58e5,0x6886,0x78a7,0x0840,0x1861,0x2802,0x3823,
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0xc9cc,0xd9ed,0xe98e,0xf9af,0x8948,0x9969,0xa90a,0xb92b,
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0x5af5,0x4ad4,0x7ab7,0x6a96,0x1a71,0x0a50,0x3a33,0x2a12,
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0xdbfd,0xcbdc,0xfbbf,0xeb9e,0x9b79,0x8b58,0xbb3b,0xab1a,
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0x6ca6,0x7c87,0x4ce4,0x5cc5,0x2c22,0x3c03,0x0c60,0x1c41,
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0xedae,0xfd8f,0xcdec,0xddcd,0xad2a,0xbd0b,0x8d68,0x9d49,
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0x7e97,0x6eb6,0x5ed5,0x4ef4,0x3e13,0x2e32,0x1e51,0x0e70,
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0xff9f,0xefbe,0xdfdd,0xcffc,0xbf1b,0xaf3a,0x9f59,0x8f78,
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0x9188,0x81a9,0xb1ca,0xa1eb,0xd10c,0xc12d,0xf14e,0xe16f,
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0x1080,0x00a1,0x30c2,0x20e3,0x5004,0x4025,0x7046,0x6067,
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0x83b9,0x9398,0xa3fb,0xb3da,0xc33d,0xd31c,0xe37f,0xf35e,
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0x02b1,0x1290,0x22f3,0x32d2,0x4235,0x5214,0x6277,0x7256,
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0xb5ea,0xa5cb,0x95a8,0x8589,0xf56e,0xe54f,0xd52c,0xc50d,
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0x34e2,0x24c3,0x14a0,0x0481,0x7466,0x6447,0x5424,0x4405,
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0xa7db,0xb7fa,0x8799,0x97b8,0xe75f,0xf77e,0xc71d,0xd73c,
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0x26d3,0x36f2,0x0691,0x16b0,0x6657,0x7676,0x4615,0x5634,
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0xd94c,0xc96d,0xf90e,0xe92f,0x99c8,0x89e9,0xb98a,0xa9ab,
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0x5844,0x4865,0x7806,0x6827,0x18c0,0x08e1,0x3882,0x28a3,
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0xcb7d,0xdb5c,0xeb3f,0xfb1e,0x8bf9,0x9bd8,0xabbb,0xbb9a,
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0x4a75,0x5a54,0x6a37,0x7a16,0x0af1,0x1ad0,0x2ab3,0x3a92,
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0xfd2e,0xed0f,0xdd6c,0xcd4d,0xbdaa,0xad8b,0x9de8,0x8dc9,
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0x7c26,0x6c07,0x5c64,0x4c45,0x3ca2,0x2c83,0x1ce0,0x0cc1,
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0xef1f,0xff3e,0xcf5d,0xdf7c,0xaf9b,0xbfba,0x8fd9,0x9ff8,
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0x6e17,0x7e36,0x4e55,0x5e74,0x2e93,0x3eb2,0x0ed1,0x1ef0
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};
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static unsigned short crc16_ccitt(const void *buf, int len)
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{
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register int counter;
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register unsigned short crc = 0;
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for( counter = 0; counter < len; counter++)
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crc = (crc<<8) ^ crc16tab[((crc>>8) ^ *(char *)buf++)&0x00FF];
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return crc;
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}
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static int check(int crc, const uint8_t *buf, int sz) __attribute__((unused));
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static int check(int crc, const uint8_t *buf, int sz)
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{
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if (crc) {
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unsigned short crc = crc16_ccitt(buf, sz);
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unsigned short tcrc = (buf[sz]<<8)+buf[sz+1];
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if (crc == tcrc)
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return 1;
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}
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else {
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int i;
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unsigned char cks = 0;
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for (i = 0; i < sz; ++i) {
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cks += buf[i];
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}
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if (cks == buf[sz])
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return 1;
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}
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return 0;
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}
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static enum HAL_UART_ID_T trace_uart = HAL_UART_ID_0;
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static struct HAL_UART_CFG_T uart_cfg_nodma = {
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.parity = HAL_UART_PARITY_NONE,
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.stop = HAL_UART_STOP_BITS_1,
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.data = HAL_UART_DATA_BITS_8,
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.flow = HAL_UART_FLOW_CONTROL_NONE,//HAL_UART_FLOW_CONTROL_RTSCTS,
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.tx_level = HAL_UART_FIFO_LEVEL_1_2,
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.rx_level = HAL_UART_FIFO_LEVEL_1_2,
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.baud = 921600,
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.dma_rx = false,
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.dma_tx = false,
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.dma_rx_stop_on_err = false,
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};
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static uint8_t _inbyte(unsigned int delay)
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{
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return hal_uart_blocked_getc(trace_uart);
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}
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static int _outbyte(uint8_t c)
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{
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return hal_uart_blocked_putc(trace_uart, c);
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}
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static void flushinput(void)
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{
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while (_inbyte(((DLY_1S)*3)>>1) >= 0)
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;
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}
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static unsigned char packet_no = 1;
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static unsigned char xbuff[1030]; /* 1024 for XModem 1k + 3 head chars + 2 crc + nul */
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static uint32_t packet_size = 1024;
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static int crc_enabled;
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static int packet_idx;
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static int xmodem_fill_packet(uint8_t *buff, uint8_t packetno, int len, int crc)
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{
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int c = len;
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int bufsz;
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int i;
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#ifdef TRANSMIT_XMODEM_1K
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buff[0] = STX; bufsz = 1024;
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#else
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buff[0] = SOH; bufsz = 128;
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#endif
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buff[1] = packetno;
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buff[2] = ~packetno;
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//TRACE_IMM(4,"buff %p, packetno %d, len %d, crc %d", buff, packetno, len, crc);
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if (c < bufsz)
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buff[3+c] = CTRLZ;
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if (crc) {
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unsigned short ccrc = crc16_ccitt(&buff[3], bufsz);
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buff[bufsz+3] = (ccrc>>8) & 0xFF;
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buff[bufsz+4] = ccrc & 0xFF;
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}
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else {
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unsigned char ccks = 0;
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for (i = 3; i < bufsz+3; ++i) {
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ccks += buff[i];
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}
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buff[bufsz+3] = ccks;
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}
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return 0;
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}
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static int xmodem_send_one_packet(void)
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{
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int retry = 0;
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int bufsz;
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int crc = 1;
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int i;
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uint8_t c;
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#ifdef TRANSMIT_XMODEM_1K
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bufsz = 1024;
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#else
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bufsz = 128;
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#endif
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packet_size = bufsz;
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for (retry = 0; retry < MAXRETRANS; ++retry) {
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for (i = 0; i < bufsz+4+(crc?1:0); ++i) {
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_outbyte(xbuff[i]);
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}
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if ((c = _inbyte(DLY_1S)) >= 0 ) {
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switch (c) {
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case ACK:
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return 0;
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case CAN:
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if ((c = _inbyte(DLY_1S)) == CAN) {
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_outbyte(ACK);
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flushinput();
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return -1; /* canceled by remote */
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}
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break;
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case NAK:
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default:
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break;
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}
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}
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}
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_outbyte(CAN);
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_outbyte(CAN);
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_outbyte(CAN);
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flushinput();
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return -4; /* xmit error */
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}
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static int xmodem_connect_host(void)
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{
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uint8_t c;
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int retry;
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for( retry = 0; retry < 16; ++retry) {
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if ((c = _inbyte((DLY_1S)<<1)) >= 0) {
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switch (c) {
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case 'C':
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crc_enabled = 1;
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return 0;
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case NAK:
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crc_enabled = 0;
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return 0;
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case CAN:
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if ((c = _inbyte(DLY_1S)) == CAN) {
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_outbyte(ACK);
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flushinput();
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return -1; /* canceled by remote */
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}
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break;
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default:
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break;
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}
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}
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}
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return -2; /* no sync */
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}
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static uint32_t filled_one_payload(uint8_t *dst, const uint8_t *data, size_t len, int ascii)
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{
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static const char hexToASCII[] = "0123456789ABCDEF";
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int i;
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uint8_t byte;
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int c;
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if (ascii) {
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for( i = 0; i < len; i++) {
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c = *(data + i);
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byte = c >> 4;
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dst[i * 2] = hexToASCII[byte];
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byte = c & 0x0F;
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dst[i * 2 + 1] = hexToASCII[byte];
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}
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} else {
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for( i = 0; i < len; i++) {
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byte = *(data + i);
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dst[i] = byte;
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}
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}
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return len << ascii;
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}
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int xmodem_send_stream(const uint8_t *data, size_t size, int ascii)
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{
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uint32_t left;
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uint8_t *payload;
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uint32_t filled;
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int packet_room;
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int xfer;
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int ret;
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uint8_t *dst;
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const uint8_t *src;
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left = size;
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payload = &xbuff[3];
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TRACE(1,"send size %d", size);
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if ((ascii == 0) && (size % 2 != 0)) {
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/*
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* if don't need convert to ascii, the size should be multi of 2,
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* because the packet should include ascii and binary at same time;
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*/
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return -1;
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}
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src = data;
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while (left > 0) {
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packet_room = packet_size - packet_idx;
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if (left > (packet_room >> ascii))
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xfer = packet_room >> ascii;
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else
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xfer = left;
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/*
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TRACE_IMM(2,"left %d packet room %d", left, packet_room);
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TRACE_IMM(1,"xfer %d", xfer);
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*/
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dst = payload + packet_idx;
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filled = filled_one_payload(dst, src, xfer, ascii);
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src += xfer;
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if ((filled + packet_idx) == packet_size ) {
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xmodem_fill_packet(xbuff, packet_no, 1024, crc_enabled);
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ret = xmodem_send_one_packet();
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//ret = 0;
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if (ret == 0)
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packet_no++;
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memset(xbuff, 0, sizeof(xbuff));
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packet_idx = 0;
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} else {
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packet_idx += filled;
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}
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left -= xfer;
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}
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return size;
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}
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static int xmodem_open_uart(int uart_id)
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{
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uint32_t baud;
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TRACE_IMM(0,"\r\n XMODEM start ....");
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baud = hal_trace_get_baudrate();
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hal_trace_flush_buffer();
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hal_sys_timer_delay_us(3000);
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hal_trace_close();
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uart_cfg_nodma.baud = baud;
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hal_uart_open(trace_uart, &uart_cfg_nodma);
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return 0;
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}
|
||
|
|
|
||
|
|
int xmodem_start_xfer(uint32_t wait)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
int delay = wait;
|
||
|
|
|
||
|
|
while (!hal_uart_readable(trace_uart) && (delay > 0)) {
|
||
|
|
hal_sys_timer_delay(MS_TO_HWTICKS(1000));
|
||
|
|
delay--;
|
||
|
|
TRACE_NOCRLF(1,"\b\b\b%3d", delay);
|
||
|
|
hal_trace_flush_buffer();
|
||
|
|
}
|
||
|
|
if (delay == 0) {
|
||
|
|
TRACE_IMM(0,"\r\ntime out, cannot start XMODEM....");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
xmodem_open_uart(0);
|
||
|
|
ret = xmodem_connect_host();
|
||
|
|
if (ret != 0) {
|
||
|
|
_outbyte(CAN);
|
||
|
|
_outbyte(CAN);
|
||
|
|
_outbyte(CAN);
|
||
|
|
flushinput();
|
||
|
|
return -2;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int xmodem_stop_xfer(void)
|
||
|
|
{
|
||
|
|
int ret = -1;
|
||
|
|
int retry;
|
||
|
|
int c;
|
||
|
|
|
||
|
|
xmodem_fill_packet(xbuff, packet_no, packet_idx, crc_enabled);
|
||
|
|
ret = xmodem_send_one_packet();
|
||
|
|
if (!ret) {
|
||
|
|
for (retry = 0; retry < 10; ++retry) {
|
||
|
|
_outbyte(EOT);
|
||
|
|
if ((c = _inbyte((DLY_1S)<<1)) == ACK)
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
flushinput();
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|