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

<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="#[10854d0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_call_atexit_fns (Weak Reference)
<LI><a href="#[108b720]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_exit (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[108b768]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[10853b0]"></a>strcmp</STRONG> (ARM, 156 bytes, Stack size 4 bytes, strcmp.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 4<LI>Call Chain = strcmp
</UL>
<BR>[Called By]<UL><LI><a href="#[1082278]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_numeric
<LI><a href="#[1087d90]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_ctype
</UL>

<P><STRONG><a name="[1085230]"></a>__rt_udiv10</STRONG> (ARM, 44 bytes, Stack size 0 bytes, rtudiv10.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1085f30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec_real (via Veneer)
<LI><a href="#[1088978]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_dec (via Veneer)
</UL>

<P><STRONG><a name="[1084df0]"></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_numeric &rArr; strcmp
</UL>
<BR>[Calls]<UL><LI><a href="#[1081408]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_init (via Veneer)
<LI><a href="#[1082278]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_numeric (via Veneer)
<LI><a href="#[1084898]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_signal_init (Weak Reference)
<LI><a href="#[10848e0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_rand_init (Weak Reference)
<LI><a href="#[1084928]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_initio (Weak Reference)
<LI><a href="#[1084970]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_init_user_alloc (Weak Reference)
<LI><a href="#[10849b8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_init_alloc (Weak Reference)
<LI><a href="#[1084a00]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_getenv_init (Weak Reference)
<LI><a href="#[1084a48]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_time (Weak Reference)
<LI><a href="#[1084a90]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_monetary (Weak Reference)
<LI><a href="#[1084ad8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_collate (Weak Reference)
<LI><a href="#[1084b20]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_trap_init (Weak Reference)
<LI><a href="#[1084b68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_clock_init (Weak Reference)
<LI><a href="#[1084bb0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_atexit_init (Weak Reference)
<LI><a href="#[1084c40]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__cpp_initialize__aeabi_ (Weak Reference)
<LI><a href="#[1084c88]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__alloca_initialize (Weak Reference)
<LI><a href="#[1084cd0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__Heap_DescSize (Weak Reference)
<LI><a href="#[1084d18]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_exceptions_init (Weak Reference)
<LI><a href="#[1084e80]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_argv_veneer (via Veneer)
<LI><a href="#[1087d90]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_ctype (via Veneer)
<LI><a href="#[1089af8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_locale (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[108b768]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry (via Veneer)
</UL>

<P><STRONG><a name="[1084da8]"></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="#[1084808]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_terminateio (Weak Reference)
<LI><a href="#[1084850]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_terminate_user_alloc (Weak Reference)
<LI><a href="#[1084bf8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__cxa_finalize (Weak Reference)
</UL>
<BR>[Called By]<UL><LI><a href="#[108b720]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_exit (via Veneer)
</UL>

<P><STRONG><a name="[10844b0]"></a>_platform_post_stackheap_init</STRONG> (ARM, 12 bytes, Stack size 0 bytes, boardinit2.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[108b768]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[1084340]"></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="#[108b768]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[1083e08]"></a>__ARM_call_via_r0</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1083dc0]"></a>__call_via_r0</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1083d78]"></a>__ARM_call_via_r1</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1086500]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1083d30]"></a>__call_via_r1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1083ce8]"></a>__ARM_call_via_r2</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1085b88]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_outstr_char
<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="#[1086500]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
<LI><a href="#[1088fa8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wctomb
<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>

<P><STRONG><a name="[1083ca0]"></a>__call_via_r2</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1083c58]"></a>__ARM_call_via_r3</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1085728]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_wcrtomb
<LI><a href="#[1086500]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
<LI><a href="#[1089258]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_str
</UL>

<P><STRONG><a name="[1083c10]"></a>__call_via_r3</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1083bc8]"></a>__ARM_call_via_r4</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1083b80]"></a>__call_via_r4</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1083b38]"></a>__ARM_call_via_r5</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1083af0]"></a>__call_via_r5</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1083aa8]"></a>__ARM_call_via_r6</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1083a60]"></a>__call_via_r6</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1083a18]"></a>__ARM_call_via_r7</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[10839d0]"></a>__call_via_r7</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[10838b0]"></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="[1083868]"></a>__use_no_semihosting_swi</STRONG> (ARM, 4 bytes, Stack size 0 bytes, use_no_semi.o(.text), UNUSED)

<P><STRONG><a name="[1083620]"></a>_btod_etento</STRONG> (Thumb, 196 bytes, Stack size 72 bytes, bigflt0.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 120<LI>Call Chain = _btod_etento &rArr; _btod_emul &rArr; _e2e
</UL>
<BR>[Calls]<UL><LI><a href="#[1082c78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_btod_emul (via Veneer)
<LI><a href="#[1082d08]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_btod_ediv (via Veneer)
<LI><a href="#[108ea00]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_idivmod (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[1085fc0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_digits
</UL>

<P><STRONG><a name="[1082590]"></a>_chval</STRONG> (Thumb, 34 bytes, Stack size 0 bytes, _chval.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[10858f0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_strtoul
</UL>

<P><STRONG><a name="[1081858]"></a>__ARM_get_argv</STRONG> (Thumb, 6 bytes, Stack size 4 bytes, no_argv.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 4<LI>Call Chain = __ARM_get_argv
</UL>
<BR>[Address Reference Count : 1]<UL><LI> lib_init.o(.emb_text)
</UL>
<P><STRONG><a name="[11a5c88]"></a>__rt_fp_status_addr</STRONG> (ARM, 12 bytes, Stack size 0 bytes, rt_fp_status_addr_intlibspace.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1081408]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_init
</UL>

<P><STRONG><a name="[1082eb8]"></a>_btod_d2e</STRONG> (ARM, 56 bytes, Stack size 0 bytes, btod.o(CL$$btod_d2e))
<BR><BR>[Calls]<UL><LI><a href="#[1082e28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_d2e_norm_op1
</UL>
<BR>[Called By]<UL><LI><a href="#[1085fc0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_digits (via Veneer)
</UL>

<P><STRONG><a name="[1082e70]"></a>_d2e_denorm_low</STRONG> (ARM, 84 bytes, Stack size 0 bytes, btod.o(CL$$btod_d2e_denorm_low))
<BR><BR>[Called By]<UL><LI><a href="#[1082e28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_d2e_norm_op1
</UL>

<P><STRONG><a name="[1082e28]"></a>_d2e_norm_op1</STRONG> (ARM, 104 bytes, Stack size 0 bytes, btod.o(CL$$btod_d2e_norm_op1))
<BR><BR>[Calls]<UL><LI><a href="#[1082e70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_d2e_denorm_low
</UL>
<BR>[Called By]<UL><LI><a href="#[1082eb8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_btod_d2e
</UL>

<P><STRONG><a name="[1082de0]"></a>__btod_div_common</STRONG> (ARM, 716 bytes, Stack size 24 bytes, btod.o(CL$$btod_div_common))
<BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = __btod_div_common
</UL>
<BR>[Called By]<UL><LI><a href="#[1082d08]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_btod_ediv
</UL>

<P><STRONG><a name="[1082d50]"></a>_e2e</STRONG> (ARM, 220 bytes, Stack size 24 bytes, btod.o(CL$$btod_e2e))
<BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = _e2e
</UL>
<BR>[Called By]<UL><LI><a href="#[1082c78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_btod_emul
<LI><a href="#[1082d08]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_btod_ediv
</UL>

<P><STRONG><a name="[1082d08]"></a>_btod_ediv</STRONG> (ARM, 52 bytes, Stack size 24 bytes, btod.o(CL$$btod_ediv))
<BR><BR>[Stack]<UL><LI>Max Depth = 48<LI>Call Chain = _btod_ediv &rArr; _e2e
</UL>
<BR>[Calls]<UL><LI><a href="#[1082d50]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_e2e
<LI><a href="#[1082de0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__btod_div_common
</UL>
<BR>[Called By]<UL><LI><a href="#[1083620]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_btod_etento (via Veneer)
<LI><a href="#[1085fc0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_digits (via Veneer)
</UL>

<P><STRONG><a name="[1082c78]"></a>_btod_emul</STRONG> (ARM, 52 bytes, Stack size 24 bytes, btod.o(CL$$btod_emul))
<BR><BR>[Stack]<UL><LI>Max Depth = 48<LI>Call Chain = _btod_emul &rArr; _e2e
</UL>
<BR>[Calls]<UL><LI><a href="#[1082be8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__btod_mult_common
<LI><a href="#[1082d50]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_e2e
</UL>
<BR>[Called By]<UL><LI><a href="#[1083620]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_btod_etento (via Veneer)
<LI><a href="#[1085fc0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_digits (via Veneer)
</UL>

<P><STRONG><a name="[1082be8]"></a>__btod_mult_common</STRONG> (ARM, 616 bytes, Stack size 16 bytes, btod.o(CL$$btod_mult_common))
<BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = __btod_mult_common
</UL>
<BR>[Called By]<UL><LI><a href="#[1082c78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_btod_emul
</UL>

<P><STRONG><a name="[11a4868]"></a>__ARM_fpclassify</STRONG> (ARM, 44 bytes, Stack size 0 bytes, fpclassify.o(i.__ARM_fpclassify))
<BR><BR>[Called By]<UL><LI><a href="#[1081178]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__mathlib_classify
</UL>

<P><STRONG><a name="[1081178]"></a>__mathlib_classify</STRONG> (ARM, 56 bytes, Stack size 8 bytes, classify.o(i.__mathlib_classify))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = __mathlib_classify
</UL>
<BR>[Calls]<UL><LI><a href="#[11a4868]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_fpclassify
</UL>
<BR>[Called By]<UL><LI><a href="#[1085f30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec_real (via Veneer)
</UL>

<P><STRONG><a name="[1080fc0]"></a>__support_dtoi</STRONG> (ARM, 96 bytes, Stack size 16 bytes, dtoi.o(i.__support_dtoi))
<BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = __support_dtoi
</UL>
<BR>[Calls]<UL><LI><a href="#[11a4c08]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_scalbn
</UL>
<BR>[Called By]<UL><LI><a href="#[1085fc0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_digits (via Veneer)
</UL>

<P><STRONG><a name="[1087d90]"></a>_get_lc_ctype</STRONG> (ARM, 80 bytes, Stack size 8 bytes, lc_ctype_c.o(locale$$code))
<BR><BR>[Stack]<UL><LI>Max Depth = 12<LI>Call Chain = _get_lc_ctype &rArr; strcmp
</UL>
<BR>[Calls]<UL><LI><a href="#[10853b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;strcmp
</UL>
<BR>[Called By]<UL><LI><a href="#[1084df0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_l