usb_test.htm

应用C语言实现在ARM微处理器上USB接口的驱动和实现 数据通信

<LI><a href="#[1089258]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_str
</UL>

<P><STRONG><a name="[1089640]"></a>_printf_post_padding</STRONG> (Thumb, 36 bytes, Stack size 16 bytes, _printf_pad.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 16 + Unknown Stack Size
<LI>Call Chain = _printf_post_padding
</UL>
<BR>[Calls]<UL><LI><a href="#[1083ce8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
</UL>
<BR>[Called By]<UL><LI><a href="#[1085f30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec_real
<LI><a href="#[1086188]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[1088fa8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wctomb
<LI><a href="#[1089258]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_str
</UL>

<P><STRONG><a name="[1089410]"></a>_printf_truncate_signed</STRONG> (Thumb, 22 bytes, Stack size 0 bytes, _printf_truncate.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1088978]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_dec
</UL>

<P><STRONG><a name="[10893c8]"></a>_printf_truncate_unsigned</STRONG> (Thumb, 22 bytes, Stack size 0 bytes, _printf_truncate.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1088978]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_dec
<LI><a href="#[1088af8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_oct
<LI><a href="#[1088cc0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_hex
</UL>

<P><STRONG><a name="[1089258]"></a>_printf_str</STRONG> (Thumb, 94 bytes, Stack size 16 bytes, _printf_str.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 32 + Unknown Stack Size
<LI>Call Chain = _printf_str &rArr; _printf_post_padding
</UL>
<BR>[Calls]<UL><LI><a href="#[1083c58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r3
<LI><a href="#[1089640]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[1089688]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
</UL>
<BR>[Called By]<UL><LI><a href="#[1086500]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1088fa8]"></a>_printf_wctomb</STRONG> (Thumb, 188 bytes, Stack size 56 bytes, _printf_wctomb.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 80 + Unknown Stack Size
<LI>Call Chain = _printf_wctomb &rArr; _wcrtomb &rArr; __rt_ctype_table
</UL>
<BR>[Calls]<UL><LI><a href="#[1083ce8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
<LI><a href="#[1085728]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_wcrtomb
<LI><a href="#[1089640]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[1089688]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
</UL>
<BR>[Called By]<UL><LI><a href="#[1086500]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1088cc0]"></a>_printf_longlong_hex</STRONG> (Thumb, 182 bytes, Stack size 88 bytes, _printf_longlong_hex.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 144 + Unknown Stack Size
<LI>Call Chain = _printf_longlong_hex &rArr; _printf_int_common &rArr; _printf_post_padding
</UL>
<BR>[Calls]<UL><LI><a href="#[1086188]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[10893c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_truncate_unsigned
</UL>
<BR>[Called By]<UL><LI><a href="#[1086500]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1088af8]"></a>_printf_longlong_oct</STRONG> (Thumb, 138 bytes, Stack size 64 bytes, _printf_longlong_oct.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 120 + Unknown Stack Size
<LI>Call Chain = _printf_longlong_oct &rArr; _printf_int_common &rArr; _printf_post_padding
</UL>
<BR>[Calls]<UL><LI><a href="#[1086188]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[10893c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_truncate_unsigned
</UL>
<BR>[Called By]<UL><LI><a href="#[1086500]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1088978]"></a>_printf_int_dec</STRONG> (Thumb, 98 bytes, Stack size 72 bytes, _printf_dec.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 128 + Unknown Stack Size
<LI>Call Chain = _printf_int_dec &rArr; _printf_int_common &rArr; _printf_post_padding
</UL>
<BR>[Calls]<UL><LI><a href="#[1085230]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_udiv10 (via Veneer)
<LI><a href="#[1086188]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[10893c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_truncate_unsigned
<LI><a href="#[1089410]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_truncate_signed
</UL>
<BR>[Called By]<UL><LI><a href="#[1086500]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1088738]"></a>_printf_longlong_dec</STRONG> (Thumb, 124 bytes, Stack size 80 bytes, _printf_longlong_dec.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 136 + Unknown Stack Size
<LI>Call Chain = _printf_longlong_dec &rArr; _printf_int_common &rArr; _printf_post_padding
</UL>
<BR>[Calls]<UL><LI><a href="#[1086188]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[1086728]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_ll_udiv10 (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[1086500]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1088570]"></a>_printf_charcount</STRONG> (Thumb, 36 bytes, Stack size 0 bytes, _printf_charcount.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1086500]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1088450]"></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="#[1086500]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>
<BR>[Called By]<UL><LI><a href="#[108f2c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__c89vsprintf
</UL>

<P><STRONG><a name="[1088208]"></a>_sputc</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, _sputc.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[108f2c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__c89vsprintf
</UL>
<BR>[Address Reference Count : 1]<UL><LI> c89vsprintf.o(.text)
</UL>
<P><STRONG><a name="[10880e8]"></a>strtol</STRONG> (Thumb, 112 bytes, Stack size 32 bytes, strtol.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 72<LI>Call Chain = strtol &rArr; _strtoul
</UL>
<BR>[Calls]<UL><LI><a href="#[10858f0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_strtoul
<LI><a href="#[108a968]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_errno_addr (via Veneer)
<LI><a href="#[108f760]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_ctype_table (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[108f4d0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;atoi
</UL>

<P><STRONG><a name="[1086d80]"></a>_sys_exit</STRONG> (ARM, 20 bytes, Stack size 0 bytes, sys_exit.o(.text), UNUSED)
<BR><BR>[Called By]<UL><LI><a href="#[108b6d8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_abort
</UL>

<P><STRONG><a name="[1086af0]"></a>__user_libspace</STRONG> (ARM, 8 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[1086aa8]"></a>__user_perproc_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[108b140]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_setup_stackheap
</UL>

<P><STRONG><a name="[1086a60]"></a>__user_perthread_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[1086728]"></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="#[1085fc0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_digits (via Veneer)
<LI><a href="#[1088738]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_dec (via Veneer)
</UL>

<P><STRONG><a name="[1086500]"></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="#[1083c58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r3
<LI><a href="#[1083ce8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
<LI><a href="#[1083d78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r1
<LI><a href="#[1086308]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wc (Weak Reference)
<LI><a href="#[1086350]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_mbtowc (Weak Reference)
<LI><a href="#[1086398]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_hex (Weak Reference)
<LI><a href="#[1086f30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec (via Veneer)
<LI><a href="#[1088570]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_charcount
<LI><a href="#[1088738]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_dec
<LI><a href="#[1088978]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_dec
<LI><a href="#[1088af8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_oct
<LI><a href="#[1088cc0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_hex
<LI><a href="#[1088fa8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wctomb
<LI><a href="#[1089258]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_str
</UL>
<BR>[Called By]<UL><LI><a href="#[1088450]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_char_common
</UL>

<P><STRONG><a name="[10864b8]"></a>_printf_return_value</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, __printf.o(.text), UNUSED)

<P><STRONG><a name="[1086470]"></a>_printf_percent</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, __printf.o(.text), UNUSED)

<P><STRONG><a name="[1086428]"></a>_printf_sizespec</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, __printf.o(.text), UNUSED)

<P><STRONG><a name="[1086188]"></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="#[1083ce8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
<LI><a href="#[1089640]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[1089688]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
</UL>
<BR>[Called By]<UL><LI><a href="#[1088738]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_dec
<LI><a href="#[1088978]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_dec
<LI><a href="#[1088af8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_oct
<LI><a href="#[1088cc0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_hex
</UL>

<P><STRONG><a name="[1085f78]"></a>__lib_sel_fp_printf</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, _printf_fp_dec.o(.text), UNUSED)

<P><STRONG><a name="[1085f30]"></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="#[1081178]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__mathlib_classify (via Veneer)
<LI><a href="#[1083ce8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
<LI><a href="#[1085230]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_udiv10 (via Veneer)
<LI><a href="#[1085fc0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_digits
<LI><a href="#[1089640]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[1089688]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
<LI><a href="#[1089af8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_locale (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[1086f30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec (via Veneer)
</UL>

<P><STRONG><a name="[1085b88]"></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="#[1083ce8]">&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="[1085a10]"></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="[10858f0]"></a>_strtoul</STRONG> (Thumb, 166 bytes, Stack size 40 bytes, _strtoul.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 40<LI>Call Chain = _strtoul
</UL>
<BR>[Calls]<UL><LI><a href="#[1082590]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_chval
<LI><a href="#[108a968]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_errno_addr (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[10880e8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;strtol
</UL>

<P><STRONG><a name="[1085728]"></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="#[1083c58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r3
<LI><a href="#[108f760]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_ctype_table (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[1088fa8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wctomb
</UL>

<P><STRONG><a name="[1085560]"></a>exit</STRONG> (Thumb, 12 bytes, Stack size 0 bytes, exit.o(.text))