Lukas Bielesch
Debugging tool for mbed enabled microcontrollers, especially for NUCLEO-F303RE and STM32F042F6P6.
debug_register.cpp@0:e36b454cc2e6, 2019-05-06 (annotated)
- Committer:
- bieleluk
- Date:
- Mon May 06 00:01:17 2019 +0000
- Revision:
- 0:e36b454cc2e6
- Child:
- 2:478ba8b83e3f
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| bieleluk | 0:e36b454cc2e6 | 1 | #include "Debug.h" |
| bieleluk | 0:e36b454cc2e6 | 2 | |
| bieleluk | 0:e36b454cc2e6 | 3 | // create object of class Debug_register |
| bieleluk | 0:e36b454cc2e6 | 4 | //------------------------------------------------------------------------------------------------------------------ |
| bieleluk | 0:e36b454cc2e6 | 5 | Debug_register::Debug_register(PinName tx_pin, PinName rx_pin, int baudrate) : pc(tx_pin,rx_pin, baudrate) { |
| bieleluk | 0:e36b454cc2e6 | 6 | init(); |
| bieleluk | 0:e36b454cc2e6 | 7 | } |
| bieleluk | 0:e36b454cc2e6 | 8 | |
| bieleluk | 0:e36b454cc2e6 | 9 | // init function |
| bieleluk | 0:e36b454cc2e6 | 10 | //------------------------------------------------------------------------------------------------------------------ |
| bieleluk | 0:e36b454cc2e6 | 11 | void Debug_register::init() { |
| bieleluk | 0:e36b454cc2e6 | 12 | pc.printf("\ec"); |
| bieleluk | 0:e36b454cc2e6 | 13 | wait_ms(50); |
| bieleluk | 0:e36b454cc2e6 | 14 | pc.printf("-----------------\n\r|\e[1m\e[97;40m\e[93;40mBREAKPOINT AREA\e[22m\e[97;40m|\n\r-----------------\n\r\033[s"); |
| bieleluk | 0:e36b454cc2e6 | 15 | pc.printf("serial successfully initialised\n\r\e[32;40mto start program press any button\e[97;40m"); |
| bieleluk | 0:e36b454cc2e6 | 16 | breakpoint_count=0; |
| bieleluk | 0:e36b454cc2e6 | 17 | pc.getc(); |
| bieleluk | 0:e36b454cc2e6 | 18 | pc.printf("\r\e[2K\e[31;40mprogram is running\e[97;40m\r"); |
| bieleluk | 0:e36b454cc2e6 | 19 | |
| bieleluk | 0:e36b454cc2e6 | 20 | pc.printf("\033[14;0H------------------\n\r|\e[1m\e[93;40mSERIAL PORT AREA\e[22m\e[97;40m|\n\r------------------\n\r\033[s"); |
| bieleluk | 0:e36b454cc2e6 | 21 | } |
| bieleluk | 0:e36b454cc2e6 | 22 | |
| bieleluk | 0:e36b454cc2e6 | 23 | |
| bieleluk | 0:e36b454cc2e6 | 24 | |
| bieleluk | 0:e36b454cc2e6 | 25 | |
| bieleluk | 0:e36b454cc2e6 | 26 | // perform one breakpoint and print one register |
| bieleluk | 0:e36b454cc2e6 | 27 | //------------------------------------------------------------------------------------------------------------------ |
| bieleluk | 0:e36b454cc2e6 | 28 | void Debug_register::breakpoint(int line_number, uint32_t address, uint32_t offset){ |
| bieleluk | 0:e36b454cc2e6 | 29 | |
| bieleluk | 0:e36b454cc2e6 | 30 | pc.printf("\e[s"); |
| bieleluk | 0:e36b454cc2e6 | 31 | wait_ms(50); |
| bieleluk | 0:e36b454cc2e6 | 32 | breakpoint_count++; |
| bieleluk | 0:e36b454cc2e6 | 33 | clear_from_n_up_to_m(12,3); |
| bieleluk | 0:e36b454cc2e6 | 34 | |
| bieleluk | 0:e36b454cc2e6 | 35 | if (line_number < 0){ |
| bieleluk | 0:e36b454cc2e6 | 36 | pc.printf(" Breakpoint number %d\t unknown line number\n\r",breakpoint_count); |
| bieleluk | 0:e36b454cc2e6 | 37 | }else{ |
| bieleluk | 0:e36b454cc2e6 | 38 | pc.printf("| Breakpoint number %d\tline number %d\n\r",breakpoint_count, line_number); |
| bieleluk | 0:e36b454cc2e6 | 39 | } |
| bieleluk | 0:e36b454cc2e6 | 40 | |
| bieleluk | 0:e36b454cc2e6 | 41 | uint32_t reg = read_word(address, offset); |
| bieleluk | 0:e36b454cc2e6 | 42 | pc.printf("---------------------------------------------------------------------------------------------------------\n\r"); |
| bieleluk | 0:e36b454cc2e6 | 43 | pc.printf("| address decimal %10u | address hex 0x%8x | value decimal %10u | value hex 0x%8x |\n\r",address+offset,address+offset, reg, reg); |
| bieleluk | 0:e36b454cc2e6 | 44 | pc.printf("---------------------------------------------------------------------------------------------------------\n\r"); |
| bieleluk | 0:e36b454cc2e6 | 45 | pc.printf("|bit_num|31|30|29|28|27|26|25|24|23|22|21|20|19|18|17|16|15|14|13|12|11|10| 9| 8| 7| 6| 5| 4| 3| 2| 1| 0|\n\r"); |
| bieleluk | 0:e36b454cc2e6 | 46 | pc.printf("---------------------------------------------------------------------------------------------------------\n\r|bit_val|"); |
| bieleluk | 0:e36b454cc2e6 | 47 | for (int i = 0; i < 32; i++){ |
| bieleluk | 0:e36b454cc2e6 | 48 | pc.printf("%2d|",reg >> (31 - i)); |
| bieleluk | 0:e36b454cc2e6 | 49 | reg -= ((reg >> (31 - i)) << (31 - i)); |
| bieleluk | 0:e36b454cc2e6 | 50 | } |
| bieleluk | 0:e36b454cc2e6 | 51 | pc.printf("\n\r---------------------------------------------------------------------------------------------------------\n\r"); |
| bieleluk | 0:e36b454cc2e6 | 52 | |
| bieleluk | 0:e36b454cc2e6 | 53 | |
| bieleluk | 0:e36b454cc2e6 | 54 | pc.printf("\e[32;40mto continue press any button\e[97;40m"); |
| bieleluk | 0:e36b454cc2e6 | 55 | pc.getc(); |
| bieleluk | 0:e36b454cc2e6 | 56 | pc.printf("\r\e[2K\e[31;40mprogram is running\e[97;40m\n\r"); |
| bieleluk | 0:e36b454cc2e6 | 57 | pc.printf("\e[u"); |
| bieleluk | 0:e36b454cc2e6 | 58 | } |
| bieleluk | 0:e36b454cc2e6 | 59 | |
| bieleluk | 0:e36b454cc2e6 | 60 | |
| bieleluk | 0:e36b454cc2e6 | 61 | |
| bieleluk | 0:e36b454cc2e6 | 62 | // print formatted string to debug serial port |
| bieleluk | 0:e36b454cc2e6 | 63 | //------------------------------------------------------------------------------------------------------------------ |
| bieleluk | 0:e36b454cc2e6 | 64 | int Debug_register::printf(const char* format, ...){ |
| bieleluk | 0:e36b454cc2e6 | 65 | |
| bieleluk | 0:e36b454cc2e6 | 66 | int ret = pc.printf(format); |
| bieleluk | 0:e36b454cc2e6 | 67 | return ret; |
| bieleluk | 0:e36b454cc2e6 | 68 | } |
| bieleluk | 0:e36b454cc2e6 | 69 | |
| bieleluk | 0:e36b454cc2e6 | 70 | // print character to debug serial port |
| bieleluk | 0:e36b454cc2e6 | 71 | //------------------------------------------------------------------------------------------------------------------ |
| bieleluk | 0:e36b454cc2e6 | 72 | int Debug_register::putc(int character){ |
| bieleluk | 0:e36b454cc2e6 | 73 | |
| bieleluk | 0:e36b454cc2e6 | 74 | return pc.putc(character); |
| bieleluk | 0:e36b454cc2e6 | 75 | } |
| bieleluk | 0:e36b454cc2e6 | 76 | |
| bieleluk | 0:e36b454cc2e6 | 77 | // read character from debug serial port |
| bieleluk | 0:e36b454cc2e6 | 78 | //------------------------------------------------------------------------------------------------------------------ |
| bieleluk | 0:e36b454cc2e6 | 79 | int Debug_register::getc(){ |
| bieleluk | 0:e36b454cc2e6 | 80 | return pc.getc(); |
| bieleluk | 0:e36b454cc2e6 | 81 | } |
| bieleluk | 0:e36b454cc2e6 | 82 | |
| bieleluk | 0:e36b454cc2e6 | 83 | bool Debug_register::readable(){ |
| bieleluk | 0:e36b454cc2e6 | 84 | return pc.readable(); |
| bieleluk | 0:e36b454cc2e6 | 85 | } |
| bieleluk | 0:e36b454cc2e6 | 86 | |
| bieleluk | 0:e36b454cc2e6 | 87 | // clear screen from m line up to n line |
| bieleluk | 0:e36b454cc2e6 | 88 | //------------------------------------------------------------------------------------------------------------------ |
| bieleluk | 0:e36b454cc2e6 | 89 | void Debug_register::clear_from_n_up_to_m(int m, int n){ |
| bieleluk | 0:e36b454cc2e6 | 90 | pc.printf("\033[%d;0H",m); |
| bieleluk | 0:e36b454cc2e6 | 91 | wait(0.1); |
| bieleluk | 0:e36b454cc2e6 | 92 | while (m > n){ |
| bieleluk | 0:e36b454cc2e6 | 93 | m--; |
| bieleluk | 0:e36b454cc2e6 | 94 | pc.printf("\033[K\033[%d;0H",m); |
| bieleluk | 0:e36b454cc2e6 | 95 | } |
| bieleluk | 0:e36b454cc2e6 | 96 | pc.printf("\n\r"); |
| bieleluk | 0:e36b454cc2e6 | 97 | |
| bieleluk | 0:e36b454cc2e6 | 98 | } |
| bieleluk | 0:e36b454cc2e6 | 99 |