| 1 | /* Config file format |
| 2 | Config file dumprest.cfg or $HOME/.dumprest.cfg |
| 3 | |
| 4 | baud rate |
| 5 | 0 if 1 stop bit or 1 if two stop bits |
| 6 | serial device to use |
| 7 | |
| 8 | example: |
| 9 | 9600 |
| 10 | 0 |
| 11 | /dev/ttyS1 |
| 12 | |
| 13 | PC example |
| 14 | 9600 |
| 15 | 0 |
| 16 | com1 |
| 17 | |
| 18 | Or |
| 19 | PC example |
| 20 | 9600 |
| 21 | 0 |
| 22 | 2f8,3 |
| 23 | |
| 24 | The 2f8 is base address of port and 3 is the irq |
| 25 | */ |
| 26 | |
| 27 | #ifndef PC |
| 28 | |
| 29 | struct { |
| 30 | char *baud_str; |
| 31 | long bits_per_sec; |
| 32 | long baud_val; |
| 33 | } baud_lookup[] = |
| 34 | { |
| 35 | { "50",50,B50}, |
| 36 | { "75",75,B75}, |
| 37 | { "110",110,B110}, |
| 38 | { "134",134,B134}, |
| 39 | { "150",150,B150}, |
| 40 | { "200",200,B200}, |
| 41 | { "300",300,B300}, |
| 42 | { "600",600,B600}, |
| 43 | { "1200",1200,B1200}, |
| 44 | { "1800",1800,B1800}, |
| 45 | { "2400",2400,B2400}, |
| 46 | { "4800",4800,B4800}, |
| 47 | { "9600",9600,B9600}, |
| 48 | { "19200",19200,B19200} |
| 49 | #ifdef B38400 |
| 50 | ,{ "38400",38400,B38400} |
| 51 | #endif |
| 52 | #ifdef B57600 |
| 53 | ,{ "57600",57600,B57600} |
| 54 | #endif |
| 55 | #ifdef B115200 |
| 56 | ,{ "115200",115200,B115200} |
| 57 | #endif |
| 58 | #ifdef B230400 |
| 59 | ,{ "230400",230400,B230400} |
| 60 | #endif |
| 61 | #ifdef B460800 |
| 62 | ,{ "460800",460800,B460800} |
| 63 | #endif |
| 64 | }; |
| 65 | |
| 66 | #endif |
| 67 | |
| 68 | #if defined(_STDC_) || defined(PC) |
| 69 | void setup_config(long *,int *,char *); |
| 70 | #endif |
| 71 | |
| 72 | void setup_config(baud,two_stop,serial_dev) |
| 73 | long *baud; |
| 74 | int *two_stop; |
| 75 | char *serial_dev; |
| 76 | { |
| 77 | FILE *config; |
| 78 | char homeloc[256]; |
| 79 | char *home; |
| 80 | #ifndef PC |
| 81 | char baud_rate[32]; |
| 82 | int cntr; |
| 83 | #endif |
| 84 | |
| 85 | config = fopen("dumprest.cfg","r"); |
| 86 | if (config == NULL) { |
| 87 | home = getenv("HOME"); |
| 88 | if (home != NULL) { |
| 89 | strcpy(homeloc,home); |
| 90 | strcat(homeloc,"/"); |
| 91 | strcat(homeloc,".dumprest.cfg"); |
| 92 | config = fopen(homeloc,"r"); |
| 93 | } |
| 94 | if (config == NULL) { |
| 95 | printf("Unable to open dumprest.cfg or $HOME/.dumprest.cfg\n"); |
| 96 | exit(1); |
| 97 | } |
| 98 | } |
| 99 | #ifdef PC |
| 100 | fscanf(config,"%ld",baud); |
| 101 | #else |
| 102 | fscanf(config,"%s",baud_rate); |
| 103 | *baud = B0; |
| 104 | for (cntr = 0; cntr < ARRAYSIZE(baud_lookup) && *baud == B0; cntr++) { |
| 105 | if (strcmp(baud_lookup[cntr].baud_str,baud_rate) == 0) { |
| 106 | *baud = baud_lookup[cntr].baud_val; |
| 107 | } |
| 108 | } |
| 109 | if (*baud == B0) { |
| 110 | printf("Unknown baud rate %s\n",baud_rate); |
| 111 | exit(1); |
| 112 | } |
| 113 | #endif |
| 114 | fscanf(config,"%d",two_stop); |
| 115 | fscanf(config,"%s",serial_dev); |
| 116 | fclose(config); |
| 117 | } |