Hellow, I am new in Teensy, I have some errors compiling for board Teensy++ 2.0 DISK SDCARD + Keyboard:
arduino-1.8.10-windows
Windows 10
TeensyLoader 1.48
Teensy++ 2.0
(Compiling Blink program example)
c:\program files (x86)\arduino\hardware\tools\avr\avr\include\stdlib.h: In function 'malloc':
C:\Program Files (x86)\Arduino\hardware\teensy\avr\cores\teensy\malloc.c:134:7: warning: 'sfp2' may be used uninitialized in this function [-Wmaybe-uninitialized]
if (sfp2)
^
C:\Program Files (x86)\Arduino\hardware\teensy\avr\cores\teensy\malloc.c:76:40: note: 'sfp2' was declared here
struct __freelist *fp1, *fp2, *sfp1, *sfp2;
^~~~
C:\Program Files (x86)\Arduino\hardware\teensy\avr\cores\teensy\malloc.c:151:6: warning: 'sfp1' may be used uninitialized in this function [-Wmaybe-uninitialized]
cp += s;
~~~^~~~
C:\Program Files (x86)\Arduino\hardware\teensy\avr\cores\teensy\malloc.c:76:33: note: 'sfp1' was declared here
struct __freelist *fp1, *fp2, *sfp1, *sfp2;
^~~~
In file included from C:\Program Files (x86)\Arduino\hardware\teensy\avr\cores\teensy\usb_api.cpp:8:0:
c:\program files (x86)\arduino\hardware\teensy\avr\cores\usb_disk\usb_api.cpp: In member function 'uint8_t usb_keyboard_class::unicode_to_keycode(uint16_t)':
c:\program files (x86)\arduino\hardware\teensy\avr\cores\usb_disk\usb_api.cpp:85:38: warning: large integer implicitly truncated to unsigned type [-Woverflow]
if (cpoint == 10) return KEY_ENTER & 0x3FFF;
C:\Users\mihao\AppData\Local\Temp\arduino_build_897138/core\core.a(usb.c.o): In function `sd_command':
usb.c.text.sd_command+0x18): undefined reference to `spi_select'
C:\Users\mihao\AppData\Local\Temp\arduino_build_897138/core\core.a(usb.c.o): In function `media_poll':
usb.c.text.media_poll+0x14): undefined reference to `spi_select'
usb.c.text.media_poll+0x36): undefined reference to `sd_deselect'
usb.c.text.media_poll+0x88): undefined reference to `sd_deselect'
usb.c.text.media_poll+0xb6): undefined reference to `sd_deselect'
usb.c.text.media_poll+0x10e): undefined reference to `sd_deselect'
C:\Users\mihao\AppData\Local\Temp\arduino_build_897138/core\core.a(usb.c.o): In function `__vector_11':
usb.c.text.__vector_11+0x6b8): undefined reference to `media_size'
usb.c.text.__vector_11+0x710): undefined reference to `media_size'
usb.c.text.__vector_11+0xa0a): undefined reference to `sd_deselect'
usb.c.text.__vector_11+0xbaa): undefined reference to `sd_deselect'
collect2.exe: error: ld returned 1 exit status
Error compiling for board Teensy++ 2.0.
arduino-1.8.10-windows
Windows 10
TeensyLoader 1.48
Teensy++ 2.0
(Compiling Blink program example)
c:\program files (x86)\arduino\hardware\tools\avr\avr\include\stdlib.h: In function 'malloc':
C:\Program Files (x86)\Arduino\hardware\teensy\avr\cores\teensy\malloc.c:134:7: warning: 'sfp2' may be used uninitialized in this function [-Wmaybe-uninitialized]
if (sfp2)
^
C:\Program Files (x86)\Arduino\hardware\teensy\avr\cores\teensy\malloc.c:76:40: note: 'sfp2' was declared here
struct __freelist *fp1, *fp2, *sfp1, *sfp2;
^~~~
C:\Program Files (x86)\Arduino\hardware\teensy\avr\cores\teensy\malloc.c:151:6: warning: 'sfp1' may be used uninitialized in this function [-Wmaybe-uninitialized]
cp += s;
~~~^~~~
C:\Program Files (x86)\Arduino\hardware\teensy\avr\cores\teensy\malloc.c:76:33: note: 'sfp1' was declared here
struct __freelist *fp1, *fp2, *sfp1, *sfp2;
^~~~
In file included from C:\Program Files (x86)\Arduino\hardware\teensy\avr\cores\teensy\usb_api.cpp:8:0:
c:\program files (x86)\arduino\hardware\teensy\avr\cores\usb_disk\usb_api.cpp: In member function 'uint8_t usb_keyboard_class::unicode_to_keycode(uint16_t)':
c:\program files (x86)\arduino\hardware\teensy\avr\cores\usb_disk\usb_api.cpp:85:38: warning: large integer implicitly truncated to unsigned type [-Woverflow]
if (cpoint == 10) return KEY_ENTER & 0x3FFF;
C:\Users\mihao\AppData\Local\Temp\arduino_build_897138/core\core.a(usb.c.o): In function `sd_command':
usb.c.text.sd_command+0x18): undefined reference to `spi_select'
C:\Users\mihao\AppData\Local\Temp\arduino_build_897138/core\core.a(usb.c.o): In function `media_poll':
usb.c.text.media_poll+0x14): undefined reference to `spi_select'
usb.c.text.media_poll+0x36): undefined reference to `sd_deselect'
usb.c.text.media_poll+0x88): undefined reference to `sd_deselect'
usb.c.text.media_poll+0xb6): undefined reference to `sd_deselect'
usb.c.text.media_poll+0x10e): undefined reference to `sd_deselect'
C:\Users\mihao\AppData\Local\Temp\arduino_build_897138/core\core.a(usb.c.o): In function `__vector_11':
usb.c.text.__vector_11+0x6b8): undefined reference to `media_size'
usb.c.text.__vector_11+0x710): undefined reference to `media_size'
usb.c.text.__vector_11+0xa0a): undefined reference to `sd_deselect'
usb.c.text.__vector_11+0xbaa): undefined reference to `sd_deselect'
collect2.exe: error: ld returned 1 exit status
Error compiling for board Teensy++ 2.0.