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Add itoa function

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logicog
2026-01-18 07:39:49 +01:00
parent d1d5d5e18f
commit e8a719d911
2 changed files with 17 additions and 0 deletions
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rtl837x_common.h
+1
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@@ -88,6 +88,7 @@ void print_string(__code char *p);
void print_long(__xdata uint32_t a); void print_long(__xdata uint32_t a);
void print_short(uint16_t a); void print_short(uint16_t a);
void print_byte(uint8_t a); void print_byte(uint8_t a);
void itoa(uint8_t v);
void print_sfr_data(void); void print_sfr_data(void);
void print_phy_data(void); void print_phy_data(void);
void phy_write_mask(uint16_t phy_mask, uint8_t dev_id, uint16_t reg, uint16_t v); void phy_write_mask(uint16_t phy_mask, uint8_t dev_id, uint16_t reg, uint16_t v);
rtlplayground.c
+16
View File
@@ -172,6 +172,22 @@ void write_char(char c)
} }
void itoa(uint8_t v)
{
uint8_t t = (v / 100);
// when print_zeros is not zero, we know that a non-zero number has printed.
// That have to print all the next numbers.
uint8_t print_zeros = t;
if (print_zeros)
write_char('0' + t);
t = (v / 10) % 10;
print_zeros |= t;
if (print_zeros)
write_char('0' + t);
write_char('0' + (v % 10));
}
void print_string(__code char *p) void print_string(__code char *p)
{ {
while (*p) while (*p)