Peter Cooper
test code for our MBED board
useful.c@1:6877bb99aa17, 2011-05-04 (annotated)
- Committer:
- lolpcc
- Date:
- Wed May 04 08:30:52 2011 +0000
- Revision:
- 1:6877bb99aa17
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| lolpcc | 1:6877bb99aa17 | 1 | #include "mbed.h" |
| lolpcc | 1:6877bb99aa17 | 2 | #include <stdarg.h> |
| lolpcc | 1:6877bb99aa17 | 3 | #include "main.h" |
| lolpcc | 1:6877bb99aa17 | 4 | #include "serial.h" |
| lolpcc | 1:6877bb99aa17 | 5 | #include "local_defines.h" |
| lolpcc | 1:6877bb99aa17 | 6 | #include "useful.h" |
| lolpcc | 1:6877bb99aa17 | 7 | |
| lolpcc | 1:6877bb99aa17 | 8 | extern int var[MAX_VAR]; |
| lolpcc | 1:6877bb99aa17 | 9 | extern int sys_state; |
| lolpcc | 1:6877bb99aa17 | 10 | |
| lolpcc | 1:6877bb99aa17 | 11 | /* Function: hexview |
| lolpcc | 1:6877bb99aa17 | 12 | * Prints an array of char to stdout in hex. |
| lolpcc | 1:6877bb99aa17 | 13 | * The data is grouped in two 8 byte groups per line. |
| lolpcc | 1:6877bb99aa17 | 14 | * Each byte is displayed as 2 hex digits and every |
| lolpcc | 1:6877bb99aa17 | 15 | * line starts with the address of the first byte. |
| lolpcc | 1:6877bb99aa17 | 16 | * |
| lolpcc | 1:6877bb99aa17 | 17 | * There is no text view of a line. |
| lolpcc | 1:6877bb99aa17 | 18 | * |
| lolpcc | 1:6877bb99aa17 | 19 | * Variables: |
| lolpcc | 1:6877bb99aa17 | 20 | * buffer - The array to display. |
| lolpcc | 1:6877bb99aa17 | 21 | * size - The length of buffer. |
| lolpcc | 1:6877bb99aa17 | 22 | * |
| lolpcc | 1:6877bb99aa17 | 23 | * Author: rmeyer |
| lolpcc | 1:6877bb99aa17 | 24 | */ |
| lolpcc | 1:6877bb99aa17 | 25 | void hexview(char *buffer, unsigned int size) { |
| lolpcc | 1:6877bb99aa17 | 26 | printf("\n"); |
| lolpcc | 1:6877bb99aa17 | 27 | for(int i = 0; i < size; ++i) { |
| lolpcc | 1:6877bb99aa17 | 28 | if((i%16)!=0) { |
| lolpcc | 1:6877bb99aa17 | 29 | printf(" "); |
| lolpcc | 1:6877bb99aa17 | 30 | } else { |
| lolpcc | 1:6877bb99aa17 | 31 | printf("%04X: ", (i)); |
| lolpcc | 1:6877bb99aa17 | 32 | } |
| lolpcc | 1:6877bb99aa17 | 33 | printf("%02hhx", buffer[i]); |
| lolpcc | 1:6877bb99aa17 | 34 | if((i%16) == 7) { |
| lolpcc | 1:6877bb99aa17 | 35 | printf(" "); |
| lolpcc | 1:6877bb99aa17 | 36 | } |
| lolpcc | 1:6877bb99aa17 | 37 | if((i%16) == 15) { |
| lolpcc | 1:6877bb99aa17 | 38 | printf("\n\r"); |
| lolpcc | 1:6877bb99aa17 | 39 | } |
| lolpcc | 1:6877bb99aa17 | 40 | } |
| lolpcc | 1:6877bb99aa17 | 41 | printf("\n\r\n\r\n\r"); |
| lolpcc | 1:6877bb99aa17 | 42 | } |
| lolpcc | 1:6877bb99aa17 | 43 | |
| lolpcc | 1:6877bb99aa17 | 44 | /******************************************/ |
| lolpcc | 1:6877bb99aa17 | 45 | /* */ |
| lolpcc | 1:6877bb99aa17 | 46 | /* Lprintf, Bring the printf under our */ |
| lolpcc | 1:6877bb99aa17 | 47 | /* control, so we can use either rs232 */ |
| lolpcc | 1:6877bb99aa17 | 48 | /* or the USB-Serial connections as an */ |
| lolpcc | 1:6877bb99aa17 | 49 | /* I/O channel. */ |
| lolpcc | 1:6877bb99aa17 | 50 | /* */ |
| lolpcc | 1:6877bb99aa17 | 51 | /******************************************/ |
| lolpcc | 1:6877bb99aa17 | 52 | |
| lolpcc | 1:6877bb99aa17 | 53 | void lprintf(const char* fmt, ...) |
| lolpcc | 1:6877bb99aa17 | 54 | { |
| lolpcc | 1:6877bb99aa17 | 55 | char str[0x1000]; |
| lolpcc | 1:6877bb99aa17 | 56 | |
| lolpcc | 1:6877bb99aa17 | 57 | va_list ap; |
| lolpcc | 1:6877bb99aa17 | 58 | va_start(ap, fmt); |
| lolpcc | 1:6877bb99aa17 | 59 | vsprintf(str, fmt, ap); |
| lolpcc | 1:6877bb99aa17 | 60 | if (sys_state & TO_RS232){ |
| lolpcc | 1:6877bb99aa17 | 61 | rs232_output_string(str); |
| lolpcc | 1:6877bb99aa17 | 62 | } else if (sys_state & TO_USB){ |
| lolpcc | 1:6877bb99aa17 | 63 | pc_output_string(str); |
| lolpcc | 1:6877bb99aa17 | 64 | } |
| lolpcc | 1:6877bb99aa17 | 65 | va_end(ap); |
| lolpcc | 1:6877bb99aa17 | 66 | } |
| lolpcc | 1:6877bb99aa17 | 67 | |
| lolpcc | 1:6877bb99aa17 | 68 | /******************************************/ |
| lolpcc | 1:6877bb99aa17 | 69 | /* */ |
| lolpcc | 1:6877bb99aa17 | 70 | /* Read a value in from a user, workout */ |
| lolpcc | 1:6877bb99aa17 | 71 | /* if its hex or decimal, and return an */ |
| lolpcc | 1:6877bb99aa17 | 72 | /* int to the user */ |
| lolpcc | 1:6877bb99aa17 | 73 | /* */ |
| lolpcc | 1:6877bb99aa17 | 74 | /******************************************/ |
| lolpcc | 1:6877bb99aa17 | 75 | int htoi(char *str) |
| lolpcc | 1:6877bb99aa17 | 76 | { |
| lolpcc | 1:6877bb99aa17 | 77 | if(strlen(str)>=2){ |
| lolpcc | 1:6877bb99aa17 | 78 | if(str[0]=='v' || str[0]=='V'){ |
| lolpcc | 1:6877bb99aa17 | 79 | return(var[return_var(str)]); |
| lolpcc | 1:6877bb99aa17 | 80 | } else if(str[1]=='x' || str[1]=='X'){ |
| lolpcc | 1:6877bb99aa17 | 81 | return(strtol(str, NULL, 16)); |
| lolpcc | 1:6877bb99aa17 | 82 | } |
| lolpcc | 1:6877bb99aa17 | 83 | } |
| lolpcc | 1:6877bb99aa17 | 84 | return(atoi(str)); |
| lolpcc | 1:6877bb99aa17 | 85 | } |
| lolpcc | 1:6877bb99aa17 | 86 | |
| lolpcc | 1:6877bb99aa17 | 87 | /******************************************/ |
| lolpcc | 1:6877bb99aa17 | 88 | /* */ |
| lolpcc | 1:6877bb99aa17 | 89 | /* Given the input string, return the */ |
| lolpcc | 1:6877bb99aa17 | 90 | /* number of the variable the user wants */ |
| lolpcc | 1:6877bb99aa17 | 91 | /* its added to htoi, so all inputs */ |
| lolpcc | 1:6877bb99aa17 | 92 | /* should get access to the variable data */ |
| lolpcc | 1:6877bb99aa17 | 93 | /* */ |
| lolpcc | 1:6877bb99aa17 | 94 | /******************************************/ |
| lolpcc | 1:6877bb99aa17 | 95 | |
| lolpcc | 1:6877bb99aa17 | 96 | int return_var(char *str) |
| lolpcc | 1:6877bb99aa17 | 97 | { |
| lolpcc | 1:6877bb99aa17 | 98 | char buf[0x4]; |
| lolpcc | 1:6877bb99aa17 | 99 | int a; |
| lolpcc | 1:6877bb99aa17 | 100 | |
| lolpcc | 1:6877bb99aa17 | 101 | buf[0] = str[1]; |
| lolpcc | 1:6877bb99aa17 | 102 | buf[1] = str[2]; |
| lolpcc | 1:6877bb99aa17 | 103 | buf[2] = str[3]; |
| lolpcc | 1:6877bb99aa17 | 104 | buf[3] = str[4]; |
| lolpcc | 1:6877bb99aa17 | 105 | a = atoi(buf); |
| lolpcc | 1:6877bb99aa17 | 106 | if(a > MAX_VAR){ |
| lolpcc | 1:6877bb99aa17 | 107 | lprintf("In Return_var, var number %d more than MAXVAR %d, returned -1\n", |
| lolpcc | 1:6877bb99aa17 | 108 | a,MAX_VAR); |
| lolpcc | 1:6877bb99aa17 | 109 | return(-1); |
| lolpcc | 1:6877bb99aa17 | 110 | } |
| lolpcc | 1:6877bb99aa17 | 111 | return(a); |
| lolpcc | 1:6877bb99aa17 | 112 | } |