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 <stdint.h>
   9 #include <stdio.h>
  10 #include <ctype.h>
  11 #include "con-utils.h"
  12 #include "print-utils.h"
  13
  14 void print_blanks(uint_fast8_t count)
  15 {
  16         while(count--)
  17                 putchar(' ');
  18 }
  19
  20
  21 void eeprom_read_buf(uint8_t *buf, uint32_t addr, uint8_t count)
  22 {
  23         eeprom_read_block((void *) buf, (const void *) (size_t) addr, count);
  24 }
  25
  26 void ram_read_buf(uint8_t *buf, uint32_t addr, uint8_t count)
  27 {
  28                 while (count--)
  29                         *buf++ = *(uint8_t *) (size_t) addr++;
  30 }
  31
  32 void flash_read_buf(uint8_t *buf, uint32_t addr, uint8_t count)
  33 {
  34                 while (count--)
  35                         *buf++ = *(const __memx uint8_t *) (__uint24) addr++;
  36 }
  37
  38 int dump_mem(uint32_t address, uint32_t offset, uint32_t len,
  39                 void (*readfkt)(uint8_t *, uint32_t, uint8_t), char *title)
  40 {
  41         uint8_t buf[16];
  42         char *indent = NULL;
  43         uint8_t llen = 16;
  44         uint8_t pre = offset % 16;
  45         offset = offset & ~0x0f;
  46         len += pre;
  47         uint8_t i;
  48
  49         if (title && *title) {
  50                 printf_P(PSTR("%s\n"),title);
  51                 indent = "    ";
  52         }
  53
  54         while (len) {
  55                 if (len < 16)
  56                         llen = len;
  57                 readfkt(buf, address, llen - pre);
  58
  59                 printf_P(PSTR("%s%.5lx:"),indent, offset);
  60                 for (i = 0; i < llen; i++) {
  61                         if ((i % 8) == 0)
  62                                 putchar(' ');
  63                         if (i < pre)
  64                                 printf_P(PSTR(".. "));
  65                         else
  66                                 printf_P(PSTR("%.2x "), buf[i-pre]);
  67                 }
  68                 /* fill line with whitespace for nice ASCII print */
  69                 print_blanks(3 * (16u - i) + (16u-i)/8 + 1 + pre);
  70                 /* Print data in ASCII characters */
  71                 for (i = pre; i < llen; i++)
  72                         printf_P(PSTR("%c"), isprint(buf[i-pre]) ? buf[i-pre] : '.');
  73                 putchar('\n');
  74
  75                 address += llen - pre;
  76                 offset += 16;
  77                 pre = 0;
  78                 len -= llen;
  79
  80                 if (ctrlc())
  81                         return -1;
  82         }
  83         return 0;
  84 }
  85
  86 void dump_eep(uint32_t addr, unsigned int len, char *title)
  87 {
  88         dump_mem(addr, addr, len, eeprom_read_buf, title);
  89 }
  90
  91 void dump_ram(uint8_t *addr, size_t offset, unsigned int len, char *title)
  92 {
  93         dump_mem((uint32_t) (size_t) addr, offset, len, ram_read_buf, title);
  94 }