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Optimize number-to-string functions, no-fan display

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2.0.x
Scott Lahteine 8 years ago
parent 959566cf0a
commit 87d240042a
2 changed files with 87 additions and 100 deletions
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8
Marlin/ultralcd_impl_DOGM.h
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@ -422,17 +422,17 @@ static void lcd_implementation_status_screen() {
_draw_heater_status(81, -1);
#endif
#if HAS_FAN0
if (PAGE_CONTAINS(20, 27)) {
// Fan
u8g.setPrintPos(104, 27);
#if HAS_FAN0
int per = ((fanSpeeds[0] + 1) * 100) / 256;
const int per = ((fanSpeeds[0] + 1) * 100) / 256;
if (per) {
u8g.setPrintPos(104, 27);
lcd_print(itostr3(per));
u8g.print('%');
}
#endif
}
#endif
}
#if ENABLED(SDSUPPORT)

173
Marlin/utility.cpp
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@ -35,7 +35,7 @@ void safe_delay(millis_t ms) {
#if ENABLED(ULTRA_LCD)
char conv[9];
char conv[8] = { 0 };
#define DIGIT(n) ('0' + (n))
#define DIGIMOD(n, f) DIGIT((n)/(f) % 10)
@ -43,29 +43,25 @@ void safe_delay(millis_t ms) {
#define MINUSOR(n, alt) (n >= 0 ? (alt) : (n = -n, '-'))
// Convert unsigned int to string with 12 format
char* itostr2(const uint8_t& x) {
int xx = x;
conv[0] = DIGIMOD(xx, 10);
conv[1] = DIGIMOD(xx, 1);
conv[2] = '\0';
return conv;
char* itostr2(const uint8_t& xx) {
conv[5] = DIGIMOD(xx, 10);
conv[6] = DIGIMOD(xx, 1);
return &conv[5];
}
// Convert signed int to rj string with 123 or -12 format
char* itostr3(const int& x) {
int xx = x;
conv[0] = MINUSOR(xx, RJDIGIT(xx, 100));
conv[1] = RJDIGIT(xx, 10);
conv[2] = DIGIMOD(xx, 1);
conv[3] = '\0';
return conv;
conv[4] = MINUSOR(xx, RJDIGIT(xx, 100));
conv[5] = RJDIGIT(xx, 10);
conv[6] = DIGIMOD(xx, 1);
return &conv[4];
}
// Convert unsigned int to lj string with 123 format
char* itostr3left(const int& xx) {
char *str = &conv[3];
*str = '\0';
*(--str) = DIGIMOD(xx, 1);
char *str = &conv[6];
*str = DIGIMOD(xx, 1);
if (xx >= 10) {
*(--str) = DIGIMOD(xx, 10);
if (xx >= 100)
@ -76,72 +72,70 @@ void safe_delay(millis_t ms) {
// Convert signed int to rj string with 1234, _123, -123, _-12, or __-1 format
char *itostr4sign(const int& x) {
int xx = abs(x);
const bool neg = x < 0;
const int xx = neg ? -x : x;
if (x >= 1000) {
conv[0] = DIGIMOD(xx, 1000);
conv[1] = DIGIMOD(xx, 100);
conv[2] = DIGIMOD(xx, 10);
conv[3] = DIGIMOD(xx, 1000);
conv[4] = DIGIMOD(xx, 100);
conv[5] = DIGIMOD(xx, 10);
}
else {
if (xx >= 100) {
conv[0] = x < 0 ? '-' : ' ';
conv[1] = DIGIMOD(xx, 100);
conv[2] = DIGIMOD(xx, 10);
conv[3] = neg ? '-' : ' ';
conv[4] = DIGIMOD(xx, 100);
conv[5] = DIGIMOD(xx, 10);
}
else {
conv[0] = ' ';
conv[4] = ' ';
if (xx >= 10) {
conv[1] = x < 0 ? '-' : ' ';
conv[2] = DIGIMOD(xx, 10);
conv[4] = neg ? '-' : ' ';
conv[5] = DIGIMOD(xx, 10);
}
else {
conv[1] = ' ';
conv[2] = x < 0 ? '-' : ' ';
conv[4] = ' ';
conv[5] = neg ? '-' : ' ';
}
}
}
conv[3] = DIGIMOD(xx, 1);
conv[4] = '\0';
return conv;
conv[6] = DIGIMOD(xx, 1);
return &conv[3];
}
// Convert unsigned float to string with 1.23 format
char* ftostr12ns(const float& x) {
long xx = abs(x * 100);
conv[0] = DIGIMOD(xx, 100);
conv[1] = '.';
conv[2] = DIGIMOD(xx, 10);
conv[3] = DIGIMOD(xx, 1);
conv[4] = '\0';
return conv;
const long xx = (x < 0 ? -x : x) * 100;
conv[3] = DIGIMOD(xx, 100);
conv[4] = '.';
conv[5] = DIGIMOD(xx, 10);
conv[6] = DIGIMOD(xx, 1);
return &conv[3];
}
// Convert signed float to fixed-length string with 023.45 / -23.45 format
char *ftostr32(const float& x) {
long xx = x * 100;
conv[0] = MINUSOR(xx, DIGIMOD(xx, 10000));
conv[1] = DIGIMOD(xx, 1000);
conv[2] = DIGIMOD(xx, 100);
conv[3] = '.';
conv[4] = DIGIMOD(xx, 10);
conv[5] = DIGIMOD(xx, 1);
conv[6] = '\0';
return conv;
conv[1] = MINUSOR(xx, DIGIMOD(xx, 10000));
conv[2] = DIGIMOD(xx, 1000);
conv[3] = DIGIMOD(xx, 100);
conv[4] = '.';
conv[5] = DIGIMOD(xx, 10);
conv[6] = DIGIMOD(xx, 1);
return &conv[1];
}
#if ENABLED(LCD_DECIMAL_SMALL_XY)
// Convert float to rj string with 1234, _123, -123, _-12, 12.3, _1.2, or -1.2 format
char *ftostr4sign(const float& fx) {
int x = fx * 10;
const int x = fx * 10;
if (!WITHIN(x, -99, 999)) return itostr4sign((int)fx);
int xx = abs(x);
conv[0] = x < 0 ? '-' : (xx >= 100 ? DIGIMOD(xx, 100) : ' ');
conv[1] = DIGIMOD(xx, 10);
conv[2] = '.';
conv[3] = DIGIMOD(xx, 1);
conv[4] = '\0';
return conv;
const bool neg = x < 0;
const int xx = neg ? -x : x;
conv[3] = neg ? '-' : (xx >= 100 ? DIGIMOD(xx, 100) : ' ');
conv[4] = DIGIMOD(xx, 10);
conv[5] = '.';
conv[6] = DIGIMOD(xx, 1);
return &conv[3];
}
#endif // LCD_DECIMAL_SMALL_XY
@ -149,39 +143,36 @@ void safe_delay(millis_t ms) {
// Convert float to fixed-length string with +123.4 / -123.4 format
char* ftostr41sign(const float& x) {
int xx = x * 10;
conv[0] = MINUSOR(xx, '+');
conv[1] = DIGIMOD(xx, 1000);
conv[2] = DIGIMOD(xx, 100);
conv[3] = DIGIMOD(xx, 10);
conv[4] = '.';
conv[5] = DIGIMOD(xx, 1);
conv[6] = '\0';
return conv;
conv[1] = MINUSOR(xx, '+');
conv[2] = DIGIMOD(xx, 1000);
conv[3] = DIGIMOD(xx, 100);
conv[4] = DIGIMOD(xx, 10);
conv[5] = '.';
conv[6] = DIGIMOD(xx, 1);
return &conv[1];
}
// Convert signed float to string (6 digit) with -1.234 / _0.000 / +1.234 format
char* ftostr43sign(const float& x, char plus/*=' '*/) {
long xx = x * 1000;
conv[0] = xx ? MINUSOR(xx, plus) : ' ';
conv[1] = DIGIMOD(xx, 1000);
conv[2] = '.';
conv[3] = DIGIMOD(xx, 100);
conv[4] = DIGIMOD(xx, 10);
conv[5] = DIGIMOD(xx, 1);
conv[6] = '\0';
return conv;
conv[1] = xx ? MINUSOR(xx, plus) : ' ';
conv[2] = DIGIMOD(xx, 1000);
conv[3] = '.';
conv[4] = DIGIMOD(xx, 100);
conv[5] = DIGIMOD(xx, 10);
conv[6] = DIGIMOD(xx, 1);
return &conv[1];
}
// Convert unsigned float to rj string with 12345 format
char* ftostr5rj(const float& x) {
long xx = abs(x);
conv[0] = RJDIGIT(xx, 10000);
conv[1] = RJDIGIT(xx, 1000);
conv[2] = RJDIGIT(xx, 100);
conv[3] = RJDIGIT(xx, 10);
conv[4] = DIGIMOD(xx, 1);
conv[5] = '\0';
return conv;
const long xx = x < 0 ? -x : x;
conv[2] = RJDIGIT(xx, 10000);
conv[3] = RJDIGIT(xx, 1000);
conv[4] = RJDIGIT(xx, 100);
conv[5] = RJDIGIT(xx, 10);
conv[6] = DIGIMOD(xx, 1);
return &conv[2];
}
// Convert signed float to string with +1234.5 format
@ -194,7 +185,6 @@ void safe_delay(millis_t ms) {
conv[4] = DIGIMOD(xx, 10);
conv[5] = '.';
conv[6] = DIGIMOD(xx, 1);
conv[7] = '\0';
return conv;
}
@ -208,13 +198,12 @@ void safe_delay(millis_t ms) {
conv[4] = '.';
conv[5] = DIGIMOD(xx, 10);
conv[6] = DIGIMOD(xx, 1);
conv[7] = '\0';
return conv;
}
// Convert unsigned float to string with 1234.56 format omitting trailing zeros
char* ftostr62rj(const float& x) {
long xx = abs(x * 100);
const long xx = (x < 0 ? -x : x) * 100;
conv[0] = RJDIGIT(xx, 100000);
conv[1] = RJDIGIT(xx, 10000);
conv[2] = RJDIGIT(xx, 1000);
@ -222,7 +211,6 @@ void safe_delay(millis_t ms) {
conv[4] = '.';
conv[5] = DIGIMOD(xx, 10);
conv[6] = DIGIMOD(xx, 1);
conv[7] = '\0';
return conv;
}
@ -230,26 +218,25 @@ void safe_delay(millis_t ms) {
char* ftostr52sp(const float& x) {
long xx = x * 100;
uint8_t dig;
conv[0] = MINUSOR(xx, RJDIGIT(xx, 10000));
conv[1] = RJDIGIT(xx, 1000);
conv[2] = DIGIMOD(xx, 100);
conv[1] = MINUSOR(xx, RJDIGIT(xx, 10000));
conv[2] = RJDIGIT(xx, 1000);
conv[3] = DIGIMOD(xx, 100);
if ((dig = xx % 10)) { // second digit after decimal point?
conv[3] = '.';
conv[4] = DIGIMOD(xx, 10);
conv[5] = DIGIT(dig);
conv[4] = '.';
conv[5] = DIGIMOD(xx, 10);
conv[6] = DIGIT(dig);
}
else {
if ((dig = (xx / 10) % 10)) { // first digit after decimal point?
conv[3] = '.';
conv[4] = DIGIT(dig);
conv[4] = '.';
conv[5] = DIGIT(dig);
}
else // nothing after decimal point
conv[3] = conv[4] = ' ';
conv[5] = ' ';
conv[4] = conv[5] = ' ';
conv[6] = ' ';
}
conv[6] = '\0';
return conv;
return &conv[1];
}
#endif // ULTRA_LCD

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