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Add xprintf(xitoa) from elm-chan.org

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This commit is contained in:
tmk 2013-05-14 16:16:57 +09:00
parent b9f558b3d8
commit d9c06db600
10 changed files with 789 additions and 222 deletions
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147
common/print.c
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@ -1,4 +1,4 @@
/* Copyright 2012 Jun Wako <wakojun@gmail.com> */
/* Copyright 2012,2013 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
@ -29,20 +29,14 @@
#ifndef NO_PRINT
#define sendchar(c) do { if (print_sendchar_func) (print_sendchar_func)(c); } while (0)
#define sendchar(c) xputc(c)
static int8_t (*print_sendchar_func)(uint8_t) = 0;
void print_set_sendchar(int8_t (*sendchar_func)(uint8_t))
{
print_sendchar_func = sendchar_func;
xdev_out(sendchar_func);
}
/* 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)
{
uint8_t c;
@ -54,140 +48,15 @@ void print_S(const char *s)
}
}
/* 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)
void print_lf(void)
{
uint8_t c;
while (1) {
c = pgm_read_byte(s++);
if (!c) break;
if (c == '\n') sendchar('\r');
sendchar(c);
}
sendchar('\n');
}
void print_CRLF(void)
void print_crlf(void)
{
sendchar('\r'); sendchar('\n');
}
#define SIGNED 0x80
#define BIN 2
#define OCT 8
#define DEC 10
#define HEX 16
static inline
char itoc(uint8_t i)
{
return (i < 10 ? '0' + i : 'A' + i - 10);
}
static inline
void print_int(uint16_t data, uint8_t base)
{
char buf[7] = {'\0'};
char *p = &buf[6];
if ((base & SIGNED) && (data & 0x8000)) {
data = -data;
buf[0] = '-';
}
base &= ~SIGNED;
uint16_t n;
do {
n = data;
data /= base;
*(--p) = itoc(n - data*base);
} while (data);
if (buf[0]) *(--p) = buf[0];
print_S(p);
}
void print_dec(uint16_t data)
{
print_int(data, DEC);
}
void print_decs(int16_t data)
{
print_int(data, DEC|SIGNED);
}
void print_hex4(uint8_t data)
{
sendchar(data + ((data < 10) ? '0' : 'A' - 10));
}
void print_hex8(uint8_t data)
{
print_hex4(data>>4);
print_hex4(data&0x0F);
}
void print_hex16(uint16_t data)
{
print_hex8(data>>8);
print_hex8(data);
}
void print_hex32(uint32_t data)
{
print_hex16(data>>16);
print_hex16(data);
}
void print_bin4(uint8_t data)
{
for (int i = 4; i >= 0; i--) {
sendchar((data & (1<<i)) ? '1' : '0');
}
}
void print_bin8(uint8_t data)
{
for (int i = 7; i >= 0; i--) {
sendchar((data & (1<<i)) ? '1' : '0');
}
}
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)
{
for (int i = 0; i < 8; i++) {
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);
sendchar('\r');
sendchar('\n');
}
#endif