崩溃
请各位大神看看，为何会报错？错误：
1610612736
Stack smashing protect failure!
abort() was called at PC 0x400dfde4 on core 1
Backtrace: 0x40088f20:0x3ffb1f10 0x4008914d:0x3ffb1f30 0x400dfde4:0x3ffb1f50 0x400d1235:0x3ffb1f70 0x400d9a7a:0x3ffb1fb0 0x40085095:0x3ffb1fd0
Rebooting...
-1610612736
Stack smashing protect failure!
abort() was called at PC 0x400dfde4 on core 1
Backtrace: 0x40088f20:0x3ffb1f10 0x4008914d:0x3ffb1f30 0x400dfde4:0x3ffb1f50 0x400d1235:0x3ffb1f70 0x400d9a7a:0x3ffb1fb0 0x40085095:0x3ffb1fd0
Rebooting...
返回的速度变成了8位数
代码
#include "DFRobot_BC20.h"
#include <U8g2lib.h>
#ifdef U8X8_HAVE_HW_SPI
#include <SPI.h>
#endif
DFRobot_BC20 myBC20;
U8X8_SSD1306_128X64_NONAME_SW_I2C u8x8(/* clock=*/ SCL, /* data=*/ SDA, /* reset=*/ U8X8_PIN_NONE);
void setup() {
/* U8g2 Project: SSD1306 Test Board */
//pinMode(10, OUTPUT);
//pinMode(9, OUTPUT);
//digitalWrite(10, 0);
//digitalWrite(9, 0);
/* U8g2 Project: KS0108 Test Board */
//pinMode(16, OUTPUT);
//digitalWrite(16, 0);
Serial.begin(115200);
u8x8.begin();
u8x8.setPowerSave(0);
while (!myBC20.powerOn()) {
delay(1000);
}
if (myBC20.getQGNSSC() == OFF) {
Serial.println("open QGNSSC");
myBC20.setQGNSSC(ON);
while (!myBC20.powerOn()) {
delay(1000);
}
}
delay(1000);
}
void loop() {
myBC20.getQGNSSRD();
char time1 = {0};
char speed1 = {0};
sprintf(time1, "%d:%d", sCLK.Hour + 8, sCLK.Minute);
sprintf(speed1, "%d", sGGNS.Speed);
u8x8.setFont(u8x8_font_8x13B_1x2_r);
u8x8.setCursor(0, 0); //这里设置显示的坐标
u8x8.print(time1);//输出显示内容
u8x8.refreshDisplay();
u8x8.setFont(u8x8_font_8x13B_1x2_r);
if (sSAT.USE >= 7)
{ u8x8.setCursor(41, 0); //这里设置显示的坐标
u8x8.print("READY");//输出显示内容
}
else{
u8x8.setCursor(43, 0); //这里设置显示的坐标
u8x8.print("WAIT");//输出显示内容
}
u8x8.setFont(u8x8_font_profont29_2x3_n);
u8x8.drawString(2, 2, speed1);
Serial.println(speed1);
u8x8.refreshDisplay();
}如有回答将不胜感激
问题最好描述清楚点，这样方便大家帮你解决
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