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Add print utility

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This commit is contained in:
tmk 2012-10-23 02:14:36 +09:00
parent 0ffd4ae3a9
commit ad24858e4f
4 changed files with 163 additions and 73 deletions
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129
common/print.c
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@ -1,3 +1,4 @@
/* Copyright 2012 Jun Wako <wakojun@gmail.com> */
/* Very basic print functions, intended to be used with usb_debug_only.c
* http://www.pjrc.com/teensy/
* Copyright (c) 2008 PJRC.COM, LLC
@ -21,81 +22,125 @@
* THE SOFTWARE.
*/
#include <stdio.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
#include "print.h"
#include "sendchar.h"
#define sendchar(c) do { if (print_enable && print_sendchar_func) (print_sendchar_func)(c); } while (0)
int8_t (*print_sendchar_func)(uint8_t) = NULL;
bool print_enable = false;
/* print string stored in data memory(SRAM)
* print_P("hello world");
* This consumes precious SRAM memory space for string.
*/
void print_S(const char *s)
{
if (!print_enable) return;
char c;
while (1) {
c = *s++;
if (!c) break;
if (c == '\n') sendchar('\r');
sendchar(c);
}
uint8_t c;
while (1) {
c = *s++;
if (!c) break;
if (c == '\n') sendchar('\r');
sendchar(c);
}
}
/* print string stored in program memory(FLASH)
* print_P(PSTR("hello world");
* This consumes relatively abundant FLASH memory area not SRAM.
*/
void print_P(const char *s)
{
if (!print_enable) return;
char c;
while (1) {
c = pgm_read_byte(s++);
if (!c) break;
if (c == '\n') sendchar('\r');
sendchar(c);
}
uint8_t c;
while (1) {
c = pgm_read_byte(s++);
if (!c) break;
if (c == '\n') sendchar('\r');
sendchar(c);
}
}
void phex1(unsigned char c)
static inline
void print_hex4(uint8_t data)
{
if (!print_enable) return;
sendchar(c + ((c < 10) ? '0' : 'A' - 10));
sendchar(data + ((data < 10) ? '0' : 'A' - 10));
}
void phex(unsigned char c)
void print_hex8(uint8_t data)
{
if (!print_enable) return;
phex1(c >> 4);
phex1(c & 15);
print_hex4(data>>4);
print_hex4(data&0x0F);
}
void phex16(unsigned int i)
void print_hex16(uint16_t data)
{
if (!print_enable) return;
phex(i >> 8);
phex(i);
print_hex8(data>>8);
print_hex8(data);
}
void pdec(uint8_t i)
void print_hex32(uint32_t data)
{
if (!print_enable) return;
if (i/100) sendchar('0' + (i/100));
if (i/100 || i%100/10) sendchar('0' + (i%100/10));
sendchar('0' + (i%10));
print_hex16(data>>16);
print_hex16(data);
}
void pbin(unsigned char c)
void print_dec8(uint8_t data)
{
if (data/100) sendchar('0' + (data/100));
if (data/100 || data%100/10) sendchar('0' + (data%100/10));
sendchar('0' + (data%10));
}
void print_dec16(uint16_t data)
{
// TODO
}
void print_dec32(uint32_t data)
{
// TODO
}
void print_bin(uint8_t data)
{
if (!print_enable) return;
for (int i = 7; i >= 0; i--) {
sendchar((c & (1<<i)) ? '1' : '0');
sendchar((data & (1<<i)) ? '1' : '0');
}
}
void pbin_reverse(unsigned char c)
void print_bin16(uint16_t data)
{
print_bin8(data>>8);
print_bin8(data);
}
void print_bin32(uint32_t data)
{
print_bin8(data>>24);
print_bin8(data>>16);
print_bin8(data>>8);
print_bin8(data);
}
void print_bin_reverse8(uint8_t data)
{
if (!print_enable) return;
for (int i = 0; i < 8; i++) {
sendchar((c & (1<<i)) ? '1' : '0');
sendchar((data & (1<<i)) ? '1' : '0');
}
}
void print_bin_reverse16(uint16_t data)
{
print_bin_reverse8(data);
print_bin_reverse8(data>>8);
}
void print_bin_reverse32(uint32_t data)
{
print_bin_reverse8(data);
print_bin_reverse8(data>>8);
print_bin_reverse8(data>>16);
print_bin_reverse8(data>>24);
}