avr/print-utils.c

   1 /*
   2  * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include "common.h"
   8 #include <stdio.h>
   9 #include <ctype.h>
  10 #include "con-utils.h"
  11 #include "print-utils.h"
  12
  13 void print_blanks(uint_fast8_t count)
  14 {
  15         while(count--)
  16                 putchar(' ');
  17 }
  18
  19
  20 void eeprom_read_buf(uint8_t *buf, uint32_t addr, uint8_t count)
  21 {
  22         eeprom_read_block((void *) buf, (const void *) (size_t) addr, count);
  23 }
  24
  25 void ram_read_buf(uint8_t *buf, uint32_t addr, uint8_t count)
  26 {
  27                 while (count--)
  28                         *buf++ = *(uint8_t *) (size_t) addr++;
  29 }
  30
  31 int dump_mem(uint32_t address, uint32_t offset, uint32_t len,
  32                 void (*readfkt)(uint8_t *, uint32_t, uint8_t), char *title)
  33 {
  34         uint8_t buf[16];
  35         char *indent = NULL;
  36         uint8_t llen = 16;
  37         uint8_t pre = offset % 16;
  38         offset = offset & ~0x0f;
  39         len += pre;
  40         uint8_t i;
  41
  42         if (title && *title) {
  43                 printf_P(PSTR("%s\n"),title);
  44                 indent = "    ";
  45         }
  46
  47         while (len) {
  48                 if (len < 16)
  49                         llen = len;
  50                 readfkt(buf, address, llen - pre);
  51
  52                 printf_P(PSTR("%s%.5lx:"),indent, offset);
  53                 for (i = 0; i < llen; i++) {
  54                         if ((i % 8) == 0)
  55                                 putchar(' ');
  56                         if (i < pre)
  57                                 printf_P(PSTR(".. "));
  58                         else
  59                                 printf_P(PSTR("%.2x "), buf[i-pre]);
  60                 }
  61                 /* fill line with whitespace for nice ASCII print */
  62                 print_blanks(3 * (16u - i) + (16u-i)/8 + 1 + pre);
  63                 /* Print data in ASCII characters */
  64                 for (i = pre; i < llen; i++)
  65                         printf_P(PSTR("%c"), isprint(buf[i-pre]) ? buf[i-pre] : '.');
  66                 putchar('\n');
  67
  68                 address += llen - pre;
  69                 offset += 16;
  70                 pre = 0;
  71                 len -= llen;
  72
  73                 if (ctrlc())
  74                         return -1;
  75         }
  76         return 0;
  77 }
  78
  79 void dump_eep(uint32_t addr, unsigned int len, char *title)
  80 {
  81         dump_mem(addr, addr, len, eeprom_read_buf, title);
  82 }
  83
  84 void dump_ram(uint8_t *addr, size_t offset, unsigned int len, char *title)
  85 {
  86         dump_mem((uint32_t) (size_t) addr, offset, len, ram_read_buf, title);
  87 }