usb.htm

在MDK下直接运行的一个USB例程

<BR><BR>[Called By]<UL><LI><a href="#[c775c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[c78418]"></a>_printf_char_common</STRONG> (Thumb, 44 bytes, Stack size 88 bytes, _printf_char_common.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 456 + Unknown Stack Size
<LI>Call Chain = _printf_char_common &rArr; __printf &rArr; _printf_fp_dec &rArr; _printf_fp_dec_real &rArr; _fp_digits &rArr; _btod_etento &rArr; _btod_emul &rArr; _e2e
</UL>
<BR>[Calls]<UL><LI><a href="#[c775c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>
<BR>[Called By]<UL><LI><a href="#[c7bf58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__c89vsprintf
</UL>

<P><STRONG><a name="[c781d0]"></a>_sputc</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, _sputc.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c7bf58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__c89vsprintf
</UL>
<BR>[Address Reference Count : 1]<UL><LI> c89vsprintf.o(.text)
</UL>
<P><STRONG><a name="[c77e48]"></a>_sys_exit</STRONG> (ARM, 20 bytes, Stack size 0 bytes, sys_exit.o(.text), UNUSED)
<BR><BR>[Called By]<UL><LI><a href="#[c7a530]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_abort
</UL>

<P><STRONG><a name="[c77bb8]"></a>__user_libspace</STRONG> (ARM, 8 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[c77b70]"></a>__user_perproc_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c79f98]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_setup_stackheap
</UL>

<P><STRONG><a name="[c77b28]"></a>__user_perthread_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[c777f0]"></a>_ll_udiv10</STRONG> (ARM, 160 bytes, Stack size 12 bytes, lludiv10.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 12<LI>Call Chain = _ll_udiv10
</UL>
<BR>[Called By]<UL><LI><a href="#[c77088]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_digits (via Veneer)
<LI><a href="#[c78700]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_dec (via Veneer)
</UL>

<P><STRONG><a name="[c775c8]"></a>__printf</STRONG> (Thumb, 748 bytes, Stack size 48 bytes, __printf.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 368 + Unknown Stack Size
<LI>Call Chain = __printf &rArr; _printf_fp_dec &rArr; _printf_fp_dec_real &rArr; _fp_digits &rArr; _btod_etento &rArr; _btod_emul &rArr; _e2e
</UL>
<BR>[Calls]<UL><LI><a href="#[c75100]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r3
<LI><a href="#[c75190]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
<LI><a href="#[c75220]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r1
<LI><a href="#[c773d0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wc (Weak Reference)
<LI><a href="#[c77418]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_mbtowc (Weak Reference)
<LI><a href="#[c77460]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_hex (Weak Reference)
<LI><a href="#[c78040]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec (via Veneer)
<LI><a href="#[c78538]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_charcount
<LI><a href="#[c78700]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_dec
<LI><a href="#[c78940]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_dec
<LI><a href="#[c78ac0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_oct
<LI><a href="#[c78c88]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_hex
<LI><a href="#[c78f70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wctomb
<LI><a href="#[c79220]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_str
</UL>
<BR>[Called By]<UL><LI><a href="#[c78418]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_char_common
</UL>

<P><STRONG><a name="[c77580]"></a>_printf_return_value</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, __printf.o(.text), UNUSED)

<P><STRONG><a name="[c77538]"></a>_printf_percent</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, __printf.o(.text), UNUSED)

<P><STRONG><a name="[c774f0]"></a>_printf_sizespec</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, __printf.o(.text), UNUSED)

<P><STRONG><a name="[c77250]"></a>_printf_int_common</STRONG> (Thumb, 168 bytes, Stack size 40 bytes, _printf_intcommon.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 56 + Unknown Stack Size
<LI>Call Chain = _printf_int_common &rArr; _printf_post_padding
</UL>
<BR>[Calls]<UL><LI><a href="#[c75190]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
<LI><a href="#[c79608]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[c79650]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
</UL>
<BR>[Called By]<UL><LI><a href="#[c78700]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_dec
<LI><a href="#[c78940]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_dec
<LI><a href="#[c78ac0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_oct
<LI><a href="#[c78c88]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_hex
</UL>

<P><STRONG><a name="[c77040]"></a>__lib_sel_fp_printf</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, _printf_fp_dec.o(.text), UNUSED)

<P><STRONG><a name="[c76ff8]"></a>_printf_fp_dec_real</STRONG> (Thumb, 696 bytes, Stack size 104 bytes, _printf_fp_dec.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 320 + Unknown Stack Size
<LI>Call Chain = _printf_fp_dec_real &rArr; _fp_digits &rArr; _btod_etento &rArr; _btod_emul &rArr; _e2e
</UL>
<BR>[Calls]<UL><LI><a href="#[c74820]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_locale (via Veneer)
<LI><a href="#[c75190]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
<LI><a href="#[c765b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_udiv10 (via Veneer)
<LI><a href="#[c77088]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_digits
<LI><a href="#[c79608]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[c79650]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
<LI><a href="#[1172ad0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__mathlib_classify (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[c78040]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec (via Veneer)
</UL>

<P><STRONG><a name="[c76c08]"></a>_printf_outstr_char</STRONG> (Thumb, 32 bytes, Stack size 16 bytes, _printf_outstr_char.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 16 + Unknown Stack Size
<LI>Call Chain = _printf_outstr_char
</UL>
<BR>[Calls]<UL><LI><a href="#[c75190]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
</UL>
<BR>[Address Reference Count : 1]<UL><LI> _printf_char_common.o(.text)
</UL>
<P><STRONG><a name="[c76a90]"></a>_printf_input_char</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, _printf_input_char.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> _printf_char_common.o(.text)
</UL>
<P><STRONG><a name="[c76970]"></a>_wcrtomb</STRONG> (Thumb, 74 bytes, Stack size 16 bytes, _wcrtomb.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 24 + Unknown Stack Size
<LI>Call Chain = _wcrtomb &rArr; __rt_ctype_table
</UL>
<BR>[Calls]<UL><LI><a href="#[c74ba0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_ctype_table (via Veneer)
<LI><a href="#[c75100]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r3
</UL>
<BR>[Called By]<UL><LI><a href="#[c78f70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wctomb
</UL>

<P><STRONG><a name="[c76760]"></a>exit</STRONG> (Thumb, 12 bytes, Stack size 0 bytes, exit.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = exit &rArr; __rt_exit &rArr; __rt_lib_shutdown
</UL>
<BR>[Calls]<UL><LI><a href="#[c766d0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_call_atexit_fns (Weak Reference)
<LI><a href="#[c7a578]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_exit (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[c7a5c0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[c765b0]"></a>__rt_udiv10</STRONG> (ARM, 44 bytes, Stack size 0 bytes, rtudiv10.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c76ff8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec_real (via Veneer)
<LI><a href="#[c78940]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_dec (via Veneer)
</UL>

<P><STRONG><a name="[c76170]"></a>__rt_lib_init</STRONG> (Thumb, 184 bytes, Stack size 40 bytes, lib_init.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 52<LI>Call Chain = __rt_lib_init &rArr; _get_lc_ctype &rArr; strcmp
</UL>
<BR>[Calls]<UL><LI><a href="#[c74820]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_locale (via Veneer)
<LI><a href="#[c75bd0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_signal_init (Weak Reference)
<LI><a href="#[c75c18]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_rand_init (Weak Reference)
<LI><a href="#[c75c60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_initio (Weak Reference)
<LI><a href="#[c75ca8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_init_user_alloc (Weak Reference)
<LI><a href="#[c75cf0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_init_alloc (Weak Reference)
<LI><a href="#[c75d38]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_getenv_init (Weak Reference)
<LI><a href="#[c75d80]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_time (Weak Reference)
<LI><a href="#[c75dc8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_monetary (Weak Reference)
<LI><a href="#[c75e58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_collate (Weak Reference)
<LI><a href="#[c75ea0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_trap_init (Weak Reference)
<LI><a href="#[c75ee8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_clock_init (Weak Reference)
<LI><a href="#[c75f30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_atexit_init (Weak Reference)
<LI><a href="#[c75fc0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__cpp_initialize__aeabi_ (Weak Reference)
<LI><a href="#[c76008]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__alloca_initialize (Weak Reference)
<LI><a href="#[c76050]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__Heap_DescSize (Weak Reference)
<LI><a href="#[c76098]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_exceptions_init (Weak Reference)
<LI><a href="#[c76200]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_argv_veneer (via Veneer)
<LI><a href="#[1171d70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_ctype (via Veneer)
<LI><a href="#[1172d60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_init (via Veneer)
<LI><a href="#[1173aa0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_numeric (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[c7a5c0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry (via Veneer)
</UL>

<P><STRONG><a name="[c76128]"></a>__rt_lib_shutdown</STRONG> (Thumb, 22 bytes, Stack size 8 bytes, lib_init.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = __rt_lib_shutdown
</UL>
<BR>[Calls]<UL><LI><a href="#[c75b40]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_terminateio (Weak Reference)
<LI><a href="#[c75b88]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_terminate_user_alloc (Weak Reference)
<LI><a href="#[c75f78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__cxa_finalize (Weak Reference)
</UL>
<BR>[Called By]<UL><LI><a href="#[c7a578]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_exit (via Veneer)
</UL>

<P><STRONG><a name="[c757e8]"></a>_platform_post_stackheap_init</STRONG> (ARM, 12 bytes, Stack size 0 bytes, boardinit2.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c7a5c0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[c75678]"></a>_platform_post_lib_init</STRONG> (ARM, 16 bytes, Stack size 8 bytes, boardinit3.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = _platform_post_lib_init
</UL>
<BR>[Called By]<UL><LI><a href="#[c7a5c0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[c752b0]"></a>__ARM_call_via_r0</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c75268]"></a>__call_via_r0</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c75220]"></a>__ARM_call_via_r1</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c775c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[c751d8]"></a>__call_via_r1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c75190]"></a>__ARM_call_via_r2</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c76c08]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_outstr_char
<LI><a href="#[c76ff8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec_real
<LI><a href="#[c77250]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[c775c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
<LI><a href="#[c78f70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wctomb
<LI><a href="#[c79608]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[c79650]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
</UL>

<P><STRONG><a name="[c75148]"></a>__call_via_r2</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c75100]"></a>__ARM_call_via_r3</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c76970]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_wcrtomb
<LI><a href="#[c775c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
<LI><a href="#[c79220]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_str
</UL>

<P><STRONG><a name="[c750b8]"></a>__call_via_r3</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c75070]"></a>__ARM_call_via_r4</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c75028]"></a>__call_via_r4</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c74fe0]"></a>__ARM_call_via_r5</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c74f98]"></a>__call_via_r5</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c74f50]"></a>__ARM_call_via_r6</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c74f08]"></a>__call_via_r6</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c74ec0]"></a>__ARM_call_via_r7</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c74e78]"></a>__call_via_r7</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[c74d58]"></a>__I_use_semihosting</STRONG> (ARM, 0 bytes, Stack size 0 bytes, use_no_semi.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> sys_exit.o(.text)
</UL>
<P><STRONG><a name="[c74d10]"></a>__use_no_semihosting_swi</STRONG> (ARM, 4 bytes, Stack size 0 bytes, use_no_semi.o(.text), UNUSED)

<P><STRONG><a name="[c74ba0]"></a>__rt_ctype_table</STRONG> (ARM, 24 bytes, Stack size 8 bytes, rt_ctype_table.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = __rt_ctype_table
</UL>
<BR>[Calls]<UL><LI><a href="#[c74820]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_locale
</UL>
<BR>[Called By]<UL><LI><a href="#[c76970]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_wcrtomb (via Veneer)
</UL>