FreeCalypso > hg > freecalypso-tools
annotate target-utils/libcommon/cmdentry.c @ 505:7bf0d909c87e
fc-loadtool flash ID check: change of reset after the check logic
This change only affects those flash configurations that have ID checks
enabled. The logic for resetting the flash after the ID check has been
changed as follows:
1) If the check fails, we return without attempting to reset the flash.
2) If the check is successful, we reset the flash using the configured
method (could be AMD or Intel or Intel W30) instead of always doing an
AMD flash reset as the original code did.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 27 May 2019 19:58:01 +0000 |
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1 /* |
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2 * This module implements ASCII command entry via the serial port, |
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3 * with normal echo and minimal editing (rubout and kill). |
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4 * |
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5 * The command string buffer is bss-allocated here as well. It is |
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6 * sized to allow a maximum-size S-record to be sent as a command, |
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7 * as that is how we expect flash loading and XRAM chain-loading |
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8 * to be done. |
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9 */ |
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10 |
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11 #define MAXCMD 527 |
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12 |
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13 char command[MAXCMD+1]; |
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14 |
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15 /* |
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16 * The command_entry() function takes no arguments, and begins by waiting |
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17 * for serial input - hence the prompt should be printed before calling it. |
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18 * |
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19 * This function returns when one of the following characters is received: |
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20 * CR - accepts the command |
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21 * ^C or ^U - cancels the command |
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22 * |
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23 * The return value is non-zero if a non-empty command was accepted with CR, |
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24 * or 0 if the user hit CR with no input or if the command was canceled |
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25 * with ^C or ^U. In any case a CRLF is sent out the serial port |
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26 * to close the input echo line before this function returns. |
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27 */ |
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28 command_entry() |
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29 { |
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30 int inlen, ch; |
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31 |
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32 for (inlen = 0; ; ) { |
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33 ch = mygetchar(); |
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34 if (ch >= ' ' && ch <= '~') { |
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35 if (inlen < MAXCMD) { |
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36 command[inlen++] = ch; |
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37 putchar(ch); |
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38 } else |
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39 /* putchar(7) */; |
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40 continue; |
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41 } |
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42 switch (ch) { |
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43 case '\r': |
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44 case '\n': |
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45 command[inlen] = '\0'; |
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46 putchar('\n'); |
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47 return(inlen); |
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48 case '\b': /* BS */ |
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49 case 0x7F: /* DEL */ |
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50 if (inlen) { |
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51 putchar('\b'); |
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52 putchar(' '); |
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53 putchar('\b'); |
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54 inlen--; |
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55 } else |
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56 /* putchar(7) */; |
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57 continue; |
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58 case 0x03: /* ^C */ |
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59 putchar('^'); |
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60 putchar('C'); |
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61 putchar('\n'); |
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62 return(0); |
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63 case 0x15: /* ^U */ |
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64 putchar('^'); |
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65 putchar('U'); |
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66 putchar('\n'); |
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67 return(0); |
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68 default: |
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69 /* putchar(7) */; |
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70 } |
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71 } |
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72 } |