solo/efm8/src/printing.c
2018-07-02 23:10:05 -04:00

172 lines
2.6 KiB
C

/*
* printing.c
*
* Created on: Jun 25, 2018
* Author: conor
*/
#include <SI_EFM8UB1_Register_Enums.h>
#include <efm8_usb.h>
#include <stdarg.h>
#include <stdio.h>
#include "printing.h"
void putf(char c)
{
uint8_t i;
SBUF0 = c;
// Blocking delay that works for 115200 baud on this device (<1ms)
for (i=0; i<200; i++){}
for (i=0; i<200; i++){}
for (i=0; i<190; i++){}
// watchdog();
}
void dump_hex(uint8_t* hex, uint8_t len)
{
uint8_t i;
for (i=0 ; i < len ; i++)
{
if (hex[i]<0x10)
{
putf('0');
}
cputb(hex[i]);
}
cprints("\r\n");
}
void cprints(char* d)
{
while(*d)
{
// UART0 output queue
putf(*d++);
}
}
static void int2str_reduce_n(char ** snum, uint32_t copy, uint8_t n)
{
do
{
copy /= n;
}while(copy);
}
static const char * __digits = "0123456789abcdef";
static char xdata __int2str_buf[9];
static void int2str_map_n(char ** snum, uint32_t i, uint8_t n)
{
do
{
*--*snum = __digits[i % n];
i /= n;
}while(i);
}
#define dint2str(i) __int2strn(i,10)
#define xint2str(i) __int2strn(i,16)
char * __int2strn(int32_t i, uint8_t n)
{
char * snum = __int2str_buf;
if (i<0) *snum++ = '-';
int2str_reduce_n(&snum, i, n);
*snum = '\0';
int2str_map_n(&snum, i, n);
return snum;
}
void cputd(int32_t i)
{
cprints(dint2str((int32_t)i));
}
void cputx(int32_t i)
{
cprints(xint2str(i));
}
static void put_space()
{
cprints(" ");
}
static void put_line()
{
cprints("\r\n");
}
void cprintd(const char * tag, uint8_t c, ...)
{
va_list args;
cprints(tag);
va_start(args,c);
while(c--)
{
cputd((int32_t)va_arg(args, int16_t));
}
put_line();
va_end(args);
}
void cprintl(const char * tag, uint8_t c, ...)
{
va_list args;
cprints(tag);
va_start(args,c);
while(c--)
{
cputl(va_arg(args, int32_t));
cprints(" ");
}
put_line();
va_end(args);
}
void cprintx(const char * tag, uint8_t c, ...)
{
va_list args;
cprints(tag);
va_start(args,c);
while(c--)
{
cputx((int32_t)va_arg(args, uint16_t));
cprints(" ");
}
put_line();
va_end(args);
}
void cprintb(const char * tag, uint8_t c, ...)
{
va_list args;
cprints(tag);
va_start(args,c);
while(c--)
{
cputb(va_arg(args, uint8_t));
put_space();
}
put_line();
va_end(args);
}
void cprintlx(const char * tag, uint8_t c, ...)
{
va_list args;
cprints(tag);
va_start(args,c);
while(c--)
{
cputlx(va_arg(args, int32_t));
put_space();
}
put_line();
va_end(args);
}