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add time setter and calibration to RTC

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This commit is contained in:
Edward Emelianov
2023-01-14 01:24:56 +03:00
parent c939c92fea
commit 44f7660ea0
9 changed files with 198 additions and 34 deletions
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55
G0:G070/RTC/strfunc.c
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@@ -60,8 +60,11 @@ static char *_2str(uint32_t val, uint8_t minus){
*(--bufptr) = '0';
}else{
while(val){
*(--bufptr) = val % 10 + '0';
val /= 10;
uint32_t x = val / 10;
*(--bufptr) = (val - 10*x) + '0';
val = x;
//*(--bufptr) = val % 10 + '0';
//val /= 10;
}
}
if(minus) *(--bufptr) = '-';
@@ -113,12 +116,12 @@ char *uhex2str(uint32_t val){
* @param buf - string
* @return - pointer to first character in `buf` > ' '
*/
char *omit_spaces(const char *buf){
const char *omit_spaces(const char *buf){
while(*buf){
if(*buf > ' ') break;
++buf;
}
return (char*)buf;
return buf;
}
/**
@@ -127,7 +130,7 @@ char *omit_spaces(const char *buf){
* @param N - number read
* @return Next non-number symbol. In case of overflow return `buf` and N==0xffffffff
*/
static char *getdec(const char *buf, uint32_t *N){
static const char *getdec(const char *buf, uint32_t *N){
char *start = (char*)buf;
uint32_t num = 0;
while(*buf){
@@ -144,11 +147,11 @@ static char *getdec(const char *buf, uint32_t *N){
++buf;
}
*N = num;
return (char*)buf;
return buf;
}
// read hexadecimal number (without 0x prefix!)
static char *gethex(const char *buf, uint32_t *N){
char *start = (char*)buf;
static const char *gethex(const char *buf, uint32_t *N){
const char *start = buf;
uint32_t num = 0;
while(*buf){
char c = *buf;
@@ -173,11 +176,11 @@ static char *gethex(const char *buf, uint32_t *N){
++buf;
}
*N = num;
return (char*)buf;
return buf;
}
// read octal number (without 0 prefix!)
static char *getoct(const char *buf, uint32_t *N){
char *start = (char*)buf;
static const char *getoct(const char *buf, uint32_t *N){
const char *start = (char*)buf;
uint32_t num = 0;
while(*buf){
char c = *buf;
@@ -193,11 +196,11 @@ static char *getoct(const char *buf, uint32_t *N){
++buf;
}
*N = num;
return (char*)buf;
return buf;
}
// read binary number (without b prefix!)
static char *getbin(const char *buf, uint32_t *N){
char *start = (char*)buf;
static const char *getbin(const char *buf, uint32_t *N){
const char *start = (char*)buf;
uint32_t num = 0;
while(*buf){
char c = *buf;
@@ -213,7 +216,7 @@ static char *getbin(const char *buf, uint32_t *N){
++buf;
}
*N = num;
return (char*)buf;
return buf;
}
/**
@@ -223,9 +226,9 @@ static char *getbin(const char *buf, uint32_t *N){
* @return pointer to first non-number symbol in buf
* (if it is == buf, there's no number or if *N==0xffffffff there was overflow)
*/
char *getnum(const char *txt, uint32_t *N){
char *nxt = NULL;
char *s = omit_spaces(txt);
const char *getnum(const char *txt, uint32_t *N){
const char *nxt = NULL;
const char *s = omit_spaces(txt);
if(*s == '0'){ // hex, oct or 0
if(s[1] == 'x' || s[1] == 'X'){ // hex
nxt = gethex(s+2, N);
@@ -247,6 +250,22 @@ char *getnum(const char *txt, uint32_t *N){
return nxt;
}
// get signed integer
const char *getint(const char *txt, int32_t *I){
const char *s = omit_spaces(txt);
int32_t sign = 1;
uint32_t U;
if(*s == '-'){
sign = -1;
++s;
}
const char *nxt = getnum(s, &U);
if(nxt == s) return txt;
if(U & 0x80000000) return txt; // overfull
*I = sign * (int32_t)U;
return nxt;
}
/*
void mymemcpy(char *dest, const char *src, int len){
if(len < 1) return;