Debugging tool for mbed enabled microcontrollers, especially for NUCLEO-F303RE and STM32F042F6P6.
debug_serial.cpp
- Committer:
- bieleluk
- Date:
- 2019-05-27
- Revision:
- 15:83d4dced2a28
- Parent:
- 12:a8ab6e018422
- Child:
- 22:ac9b2cbb31a8
File content as of revision 15:83d4dced2a28:
#include "Debug.h" // create object of class Debug_serial //------------------------------------------------------------------------------------------------------------------ Debug_serial::Debug_serial(PinName tx_pin, PinName rx_pin, int baudrate) : pc(tx_pin,rx_pin, baudrate) { init(); } // init function //------------------------------------------------------------------------------------------------------------------ void Debug_serial::init() { pc.printf("\ec"); //clear entire screen wait_ms(50); //wait until clearing is done pc.printf("-----------------\n\r|\e[1m\e[97;40m\e[93;40mBREAKPOINT AREA\e[22m\e[97;40m|\n\r-----------------\n\r\033[s"); pc.printf("serial successfully initialised\n\r\e[32;40mto start program press any button\e[97;40m"); breakpoint_count = 0; //set breakpoint count to 0 pc.getc(); // wait until user sends any character pc.printf("\r\e[2K\e[31;40mprogram is running\e[97;40m\r"); // information about last three breakpoints break_line[0] = -1; break_line[1] = -1; break_line[2] = -1; strcpy(var[0], "\0"); strcpy(var[1], "\0"); strcpy(var[2], "\0"); 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"); } // perform one breakpoint without printing variable //------------------------------------------------------------------------------------------------------------------ void Debug_serial::breakpoint(int line_number) { strcpy(var[2], var[1]); strcpy(var[1], var[0]); sprintf(var[0],"\0"); print_3_breaks(line_number); } // perform one breakpoint and print variable of type int //------------------------------------------------------------------------------------------------------------------ void Debug_serial::breakpoint(int line_number, char name[20], int variable){ strcpy(var[2], var[1]); strcpy(var[1], var[0]); sprintf(var[0],"int %s = %d",name,variable); print_3_breaks(line_number); } // perform one breakpoint and print variable of type char //------------------------------------------------------------------------------------------------------------------ void Debug_serial::breakpoint(int line_number, char name[20], char variable){ strcpy(var[2], var[1]); strcpy(var[1], var[0]); sprintf(var[0],"char %s = %c",name,variable); print_3_breaks(line_number); } // perform one breakpoint and print variable of type float //------------------------------------------------------------------------------------------------------------------ void Debug_serial::breakpoint(int line_number, char name[20], float variable){ strcpy(var[2], var[1]); strcpy(var[1], var[0]); sprintf(var[0],"float %s = %f",name,variable); print_3_breaks(line_number); } // perform one breakpoint and print variable of type string //------------------------------------------------------------------------------------------------------------------ void Debug_serial::breakpoint(int line_number, char name[20], char * variable){ strcpy(var[2], var[1]); strcpy(var[1], var[0]); sprintf(var[0],"string %s = %s",name,variable); print_3_breaks(line_number); } // perform one breakpoint and print register //------------------------------------------------------------------------------------------------------------------ void Debug_serial::breakpoint(int line_number, uint32_t address){ strcpy(var[2], var[1]); strcpy(var[1], var[0]); sprintf(var[0],"Address 0x%8x Value 0x%8x", address - address%4, *((volatile unsigned int *)(address - address % 4))); print_3_breaks(line_number); } // print formatted string to debug serial port //------------------------------------------------------------------------------------------------------------------ int Debug_serial::printf(const char* format, ...){ int ret = pc.printf(format); return ret; } // read formatted string from debug serial port //------------------------------------------------------------------------------------------------------------------ int Debug_serial::scanf(const char* format, ...){ int ret = pc.scanf(format); return ret; } // print character to debug serial port //------------------------------------------------------------------------------------------------------------------ int Debug_serial::putc(int character){ return pc.putc(character); } // read character from debug serial port //------------------------------------------------------------------------------------------------------------------ int Debug_serial::getc(){ return pc.getc(); } // check whether there is any character to read //------------------------------------------------------------------------------------------------------------------ bool Debug_serial::readable(){ return pc.readable(); } // check whether it is possible to write a sign to debug serial port //------------------------------------------------------------------------------------------------------------------ bool Debug_serial::writable(){ return pc.writable(); } // clear screen from m line up to n line //------------------------------------------------------------------------------------------------------------------ void Debug_serial::clear_from_n_up_to_m(int m, int n){ pc.printf("\033[%d;0H",m); //replace cursor to m-th row, 0 column wait(0.1); while (m > n){ m--; pc.printf("\033[K\033[%d;0H",m); // clear entire line } pc.printf("\n\r");// go to new line } // print information about 3 last breakpoints //------------------------------------------------------------------------------------------------------------------ void Debug_serial::print_3_breaks(int line_number){ pc.printf("\e[s"); //save current cursor position wait_ms(50); // wait until saving is done breakpoint_count++; break_line[2] = break_line[1]; //save information about line of breakpoints break_line[1] = break_line[0]; break_line[0] = line_number; clear_from_n_up_to_m(12,3); // clear screen from 12th to 3rd line int i = (breakpoint_count>=3)?3:breakpoint_count; //print 3 previous breakpoints if possible while (i > 0){ if (i == 1 ){ pc.printf("\e[1m\e[96;40m"); //change color of the last breakpoint print_one_break(i); pc.printf("\e[22m\e[97;40m"); //return to normal color }else{ print_one_break(i); } i--; } pc.printf("\e[32;40mto continue press any button\e[97;40m"); pc.getc(); pc.printf("\r\e[2K\e[31;40mprogram is running\e[97;40m\n\r"); pc.printf("\e[u"); // return cursor to serial port part } // print one breakpoint //------------------------------------------------------------------------------------------------------------------ void Debug_serial::print_one_break(int n){ if (break_line[n-1] < 0){ pc.printf("Breakpoint number %d\t unknown line number\n\r%s\n\n\r",breakpoint_count - n + 1,var[n-1]); }else{ pc.printf("Breakpoint number %d\tline number %d\n\r%s\n\n\r",breakpoint_count - n + 1,break_line[n-1],var[n-1]); } }