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| 1 | //$Id: $ |
| 2 | /* |
| 3 | 2013/01/20 Charles Hand |
| 4 | New Library |
| 5 | */ |
| 6 | |
| 7 | /*** BeginHeader */ |
| 8 | |
| 9 | #ifndef __ISM_232_PRINT_ |
| 10 | #define __ISM_232_PRINT_ |
| 11 | |
| 12 | #define BINBUFSIZE 63 |
| 13 | #define BOUTBUFSIZE 63 |
| 14 | |
| 15 | #define PRINT_ERROR_NONE 0 |
| 16 | #define PRINT_ERROR_PRINTER_NOT_READY 1 |
| 17 | #define PRINT_ERROR_ENQUEUE_TOO_LONG 2 |
| 18 | #define PRINT_ERROR_ENQUEUE_BUSY 3 |
| 19 | |
| 20 | /*** EndHeader */ |
| 21 | |
| 22 | /*** BeginHeader |
| 23 | |
| 24 | Initialize232, |
| 25 | PrintTick, |
| 26 | EnquePrintLine |
| 27 | */ |
| 28 | |
| 29 | //Global function prototypes ************************************************** |
| 30 | void Initialize232(); |
| 31 | int PrintTick(); |
| 32 | int EnquePrintLine(char *aLine); |
| 33 | |
| 34 | /*** EndHeader */ |
| 35 | |
| 36 | //Local function prototypes ********************************************* |
| 37 | int printerOnline(); |
| 38 | int dynamicCBugWorkaroundSendMessage(char *aMessage); |
| 39 | |
| 40 | //Constants ******************************************************* |
| 41 | #define PRINT_BAUD_RATE 9600L |
| 42 | #define PRINT_TX_ENABLE_BIT 3 |
| 43 | #define PRINT_ESC "\1B" |
| 44 | |
| 45 | #define SERB_CTS_PORT PEDR |
| 46 | #if BOARDREV == 'B' |
| 47 | #define SERB_CTS_BIT 7 |
| 48 | #endif |
| 49 | #if BOARDREV == 'C' |
| 50 | #define SERB_CTS_BIT 4 |
| 51 | #endif |
| 52 | |
| 53 | #define PRINT_STATE_IDLE 0 |
| 54 | |
| 55 | /*** Local variables ***/ |
| 56 | char dynamicCBugWorkaroundCurrentLine[BOUTBUFSIZE]; |
| 57 | char statusRequestLine[3]; |
| 58 | int printState; |
| 59 | |
| 60 | |
| 61 | void Initialize232 () |
| 62 | { |
| 63 | printf("Init 232 ...\n"); |
| 64 | printState = PRINT_STATE_IDLE; |
| 65 | memset(dynamicCBugWorkaroundCurrentLine, 0, sizeof(dynamicCBugWorkaroundCurrentLine)); |
| 66 | strcpy(statusRequestLine, PRINT_ESC); |
| 67 | strcat(statusRequestLine, "v"); |
| 68 | |
| 69 | BitWrPortI (PDFR, &PDFRShadow, 1, 4); |
| 70 | WrPortI (SBCR, &SBCRShadow, 0x10); |
| 71 | BitWrPortI (PEFR, &PEFRShadow, 0, SERB_CTS_BIT); |
| 72 | BitWrPortI (PEDDR, &PEDDRShadow, 0, SERB_CTS_BIT); |
| 73 | serBopen(PRINT_BAUD_RATE); |
| 74 | } |
| 75 | |
| 76 | int PrintTick() |
| 77 | { |
| 78 | int result; |
| 79 | result = PRINT_ERROR_NONE; |
| 80 | if (!printerOnline()) |
| 81 | result = PRINT_ERROR_PRINTER_NOT_READY; |
| 82 | return result; |
| 83 | } |
| 84 | |
| 85 | |
| 86 | int EnquePrintLine(char *aLine) |
| 87 | { |
| 88 | int result; |
| 89 | int sendResult; |
| 90 | result = 0; |
| 91 | sendResult = 0; |
| 92 | if (strlen(aLine) > BOUTBUFSIZE - 2) |
| 93 | { |
| 94 | result = PRINT_ERROR_ENQUEUE_TOO_LONG; |
| 95 | } |
| 96 | else |
| 97 | { |
| 98 | strcpy(dynamicCBugWorkaroundCurrentLine, aLine); |
| 99 | strcat(dynamicCBugWorkaroundCurrentLine, "\0d"); |
| 100 | sendResult = dynamicCBugWorkaroundSendMessage(dynamicCBugWorkaroundCurrentLine); |
| 101 | printState = PRINT_STATE_IDLE; |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | int printerOnline() |
| 106 | { |
| 107 | int result; |
| 108 | |
| 109 | result = 0; |
| 110 | if (!BitRdPortI (SERB_CTS_PORT, SERB_CTS_BIT)) |
| 111 | result = 1; |
| 112 | return (result); |
| 113 | } |
| 114 | |
| 115 | int dynamicCBugWorkaroundSendMessage(char *message) { |
| 116 | int result; |
| 117 | long timesUp; |
| 118 | int charsSent; |
| 119 | |
| 120 | result = 0; |
| 121 | charsSent = 0; |
| 122 | charsSent = serBwrite(message, strlen(message)); |
| 123 | if (charsSent != strlen(message)) |
| 124 | { |
| 125 | result = 1; |
| 126 | } |
| 127 | while (serBwrUsed() > 0) {} |
| 128 | timesUp = MS_TIMER + 2; |
| 129 | while ((long)MS_TIMER - timesUp < 0) {} |
| 130 | return result; |
| 131 | } |
| 132 | |
| 133 | /*** BeginHeader */ |
| 134 | |
| 135 | #endif |
| 136 | |
| 137 | /*** EndHeader */ |