Arduino 错误“无法在“NO_REGS"类中找到溢出的寄存器" [英] Arduino error "unable to find a register to spill in class 'NO_REGS'"
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问题描述
我在编译草图时遇到错误.这个草图在 arduino IDE 的早期版本 (1.0.6) 中编译得很好，我知道使用 1.6.9.我不明白这个消息.消息是这样的:
I get an error when compiling a sketch. This sketch compiled well in previous versions (1.0.6) of the arduino IDE, I know use 1.6.9. I don't understand the message. The message is this:
Arduino: 1.6.9 (Windows 7), TD: 1.29, Board: "Arduino/Genuino Micro"
C:\Users\arnold\AppData\Local\Arduino15\packages\arduino\hardware
\avr\1.6.13\cores\arduino\main.cpp: In function 'main':
C:\Users\arnold\AppData\Local\Arduino15\packages\arduino\hardware
\avr\1.6.13\cores\arduino\main.cpp:51:1: error: unable to find a
register to spill in class 'NO_REGS'
}
^
C:\Users\arnold\AppData\Local\Arduino15\packages\arduino\hardware
\avr\1.6.13\cores\arduino\main.cpp:51:1: error: this is the insn:
(insn 601 598 604 45 (set (mem:QI (post_dec:HI (reg/f:HI 32 __SP_L__)) [0 S1 A8])
(subreg:QI (reg/f:HI 658) 1)) sketch\coordinates.cpp:23 1 {pushqi1}
(expr_list:REG_ARGS_SIZE (const_int 1 [0x1])
(nil)))
C:\Users\arnold\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.6.13\cores\arduino\main.cpp:51: confused by earlier errors, bailing out
lto-wrapper: C:\Users\arnold\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\4.9.2-atmel3.5.3-arduino2/bin/avr-gcc returned 1 exit status
c:/users/arnold/appdata/local/arduino15/packages/arduino/tools/avr-gcc/4.9.2-atmel3.5.3-arduino2/bin/../lib/gcc/avr/4.9.2/../../../../avr/bin/ld.exe: lto-wrapper failed
collect2.exe: error: ld returned 1 exit status
exit status 1
Error compiling for board Arduino/Genuino Micro.
它似乎是指类坐标，第 23 行.我在该行中使用了 sscanf 函数.
It seems to refer to class coordinates, line 23. I use a sscanf function in that line.
坐标.cpp
#include "coordinates.h"
// Include common data (shared bps and such)
#include "D:\home\arnold\development\arduino\drone\serial_comm\data.h"
// TX_FORMAT_1 found in data.h: #define TX_FORMAT_1 "%ld %ld %ld %d %d"
Coordinates::Coordinates ()
{
ap_latitude = 0;
ap_longitude = 0;
ap_bar_altitude = 0;
ap_groundspeed = 0;
ap_heading = 0;
noGPSLock = 1;
setHome (52.026919, 6.373969); // Defaults to Varsel airport
} /*** Coordinates ***/
// Decodes a data string
void Coordinates::readSettings (char *buffer)
{
int32_t lat, lng;
int32_t alt;
sscanf (buffer, TX_FORMAT_1, &lat, &lng, &alt, &ap_groundspeed, &ap_heading);
ap_latitude = double (lat) / 10000000.0;
ap_longitude = double (lng) / 10000000.0;
ap_bar_altitude = double (alt) / 100.0;
noGPSLock = (lat == 0) && (lng == 0);
} /*** readSettings ***/
int8_t Coordinates::setHome (double lat, double lng)
{
if ((ap_latitude >= -90000000) && (ap_latitude <= +90000000) &&
(ap_longitude >= -180000000) && (ap_longitude <= 180000000))
{
home_latitude = lat;
home_longitude = lng;
Serial.print (F ("New home set at: ("));
Serial.print (home_latitude, 7);
Serial.print (F (", "));
Serial.print (home_longitude, 7);
Serial.println (")");
return 1; // ok
} else
{
Serial.print (F ("Couldn't set home. Lat = "));
Serial.print (ap_latitude, 7);
Serial.print (F ("long = "));
Serial.print (ap_longitude, 7);
Serial.println ("");
return 0; // abnormal values encountered, no home set, return error
} // if
} /*** setHome ***/
// Returns the distance of two coordinates (in decimal degrees) in meters
double Coordinates::haverSine (double lat1, double lon1, double lat2, double lon2)
{
double R, phi_1, phi_2, phi_delta;
double lambda_delta;
double a, c;
phi_1 = radians (lat1);
phi_2 = radians (lat2);
phi_delta = radians (lat2-lat1);
lambda_delta = (radians (lon2) - radians (lon1));
a = sin(phi_delta/2) * sin(phi_delta/2) +
cos(phi_1) * cos(phi_2) *
sin(lambda_delta/2) * sin(lambda_delta/2);
if (a < 0.0) a = 0.0;
c = 2.0 * atan2 (sqrt (a), sqrt (1-a));
return Radius * c;
} /*** haverSine ***/
// Returns the distance between ap_lat/long and home_lat/long in meters
double Coordinates::distanceToHome ()
{
return haverSine (ap_latitude, ap_longitude, home_latitude, home_longitude);
} /*** distanceToHome ***/
// returns the time (s) an object takes to fall to earth (in NL) given a height (in m)
double Coordinates::fallTime (double h)
{
double val = 2.0 * h / g;
if (val > 0.0) // Value should be > 0
return sqrt (val);
else // else return 0, no check on negative results (which is erroneous)
return 0.0;
} /*** fallTime ***/
// return the number of meters travelled given time t (s) and speed v (m/s)
double Coordinates::travelled (double t, double v)
{
return v * t;
} /*** travelled ***/
// return the number of meters travelled given time t (s) and
// current ground speed (m/s)
double Coordinates::distanceToTravel (double t)
{
return travelled (t, ap_groundspeed);
} /*** distanceToTravel ***/
double Coordinates::computeAngle (double x1, double y1, double x2, double y2)
{
double deltaY = y2 - y1;
double deltaX = x2 - x1;
double angleInDegrees = atan2(deltaY, deltaX) * 180 / PI;
return angleInDegrees;
} /*** computeAngle ***/
void Coordinates::printStatus (Stream* stream)
{
double t;
double d;
Serial.print (F(">>> Lat: "));
Serial.print (ap_latitude, 7);
Serial.print (F(", Long: "));
Serial.print (ap_longitude, 7);
Serial.print (F(", Alt: "));
Serial.print (ap_bar_altitude);
Serial.print (F(", Speed: "));
Serial.print (ap_groundspeed);
Serial.print (F(", Heading: "));
Serial.print (ap_heading);
Serial.print (F(", distance: "));
Serial.print (distanceToHome ());
Serial.print (F(", Angle: "));
Serial.print (computeAngle (ap_latitude, ap_longitude, home_latitude, home_longitude), 7);
Serial.println ("");
t = fallTime (double (ap_groundspeed));
d = abs (distanceToHome () - distanceToTravel (t));
Serial.print (F ("Given Alt - drop time: "));
Serial.print (t);
Serial.print (F(", d(travel): "));
Serial.print (travelled (t, ap_bar_altitude), 4);
Serial.print (F(", d (ground speed): "));
Serial.print (distanceToTravel (t));
Serial.print (F(", abs (d (home)-d (travel)): "));
Serial.print (d, 4);
Serial.println ("");
} /*** printStatus ***/
坐标.h
#ifndef coordinates__h
#define coordinates__h
#include <arduino.h>
#include <HardwareSerial.h>
const double Radius = 6367444.5; // radius of earth in meters
const double g = 9.8124; // m/s2 for Varsel airport
class Coordinates
{
private:
public:
double ap_latitude; // decimal degrees
double ap_longitude; // decimal degrees
double ap_bar_altitude; // 100 = 1m
uint32_t ap_groundspeed; // in m/s
uint32_t ap_heading; // degrees
double home_latitude;
double home_longitude;
int8_t noGPSLock;
Coordinates ();
void readSettings (char *buffer);
int8_t setHome (double lat, double lng);
double haverSine (double lat1, double lon1, double lat2, double lon2);
double distanceToHome ();
double fallTime (double h);
double travelled (double t, double v);
double distanceToTravel (double t);
double computeAngle (double x1, double y1, double x2, double y2);
void printStatus (Stream* stream);
}; /*** class: Pwn ***/
#endif
有谁可以避免这个错误吗?
Does anyone how I can avoid this error?
编辑 1
在实验时，我注意到读取一个变量，如:
When experimenting I noticed that reading one variable like:
sscanf (buffer, TX_FORMAT_1, &lat);
正确编译.但是，添加第二个变量会再次产生错误.
compiles correctly. Adding a second variable however, generates the error again.
推荐答案
网上搜索似乎指出了 1.6.9 版(和其他 1.6.x 版)中使用的 cpp 编译器.通过将 arduino IDE 从 1.6.9升级"到 1.0.6，问题消失了.这不是最简单的方式，但它有效.因为我没有使用 1.6 版本升级的任何功能.
Searches on the web seem to point to a bug in the cpp compiler used in version 1.6.9 (and other 1.6.x versions. By "upgrading" the arduino IDE from 1.6.9 to 1.0.6 the problem disappears. It is not the neatest way but it works. As I had not used any features of the 1.6 versions upgrading was no problem.
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