uart_test.htm

此例程是基于ARMS3C44B0的经典例程 对于嵌入式开发而言很有用 需要硬件平台

<P><STRONG><a name="[1153318]"></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="#[114f5b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_wcrtomb
<LI><a href="#[1151370]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
<LI><a href="#[11539b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[11539f8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
</UL>
<BR>[Called By]<UL><LI><a href="#[1150388]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1153030]"></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="#[1150010]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[1153738]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_truncate_unsigned
</UL>
<BR>[Called By]<UL><LI><a href="#[1150388]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1152e68]"></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="#[1150010]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[1153738]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_truncate_unsigned
</UL>
<BR>[Called By]<UL><LI><a href="#[1150388]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1152ce8]"></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="#[114ed00]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_udiv10 (via Veneer)
<LI><a href="#[1150010]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[1153738]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_truncate_unsigned
<LI><a href="#[1153780]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_truncate_signed
</UL>
<BR>[Called By]<UL><LI><a href="#[1150388]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1152aa8]"></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="#[1150010]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[11505b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_ll_udiv10 (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[1150388]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[11528e0]"></a>_printf_charcount</STRONG> (Thumb, 36 bytes, Stack size 0 bytes, _printf_charcount.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1150388]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[11527c0]"></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="#[1150388]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>
<BR>[Called By]<UL><LI><a href="#[c795c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__c89vsprintf
</UL>

<P><STRONG><a name="[1152578]"></a>_sputc</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, _sputc.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c795c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__c89vsprintf
</UL>
<BR>[Address Reference Count : 1]<UL><LI> c89vsprintf.o(.text)
</UL>
<P><STRONG><a name="[1152458]"></a>strtol</STRONG> (Thumb, 112 bytes, Stack size 32 bytes, strtol.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[c758f8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_errno_addr (via Veneer)
<LI><a href="#[c7c8a8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_ctype_table (via Veneer)
<LI><a href="#[114f778]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_strtoul
</UL>
<BR>[Called By]<UL><LI><a href="#[c797d0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;atoi
</UL>

<P><STRONG><a name="[1151490]"></a>__ARM_call_via_r0</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1151448]"></a>__call_via_r0</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1151400]"></a>__ARM_call_via_r1</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1150388]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[11513b8]"></a>__call_via_r1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1151370]"></a>__ARM_call_via_r2</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[114fa10]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_outstr_char
<LI><a href="#[114fdb8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec_real
<LI><a href="#[1150010]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[1150388]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
<LI><a href="#[1153318]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wctomb
<LI><a href="#[11539b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[11539f8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
</UL>

<P><STRONG><a name="[1151328]"></a>__call_via_r2</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[11512e0]"></a>__ARM_call_via_r3</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[114f5b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_wcrtomb
<LI><a href="#[1150388]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
<LI><a href="#[11535c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_str
</UL>

<P><STRONG><a name="[1151298]"></a>__call_via_r3</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1151250]"></a>__ARM_call_via_r4</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1151208]"></a>__call_via_r4</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[11511c0]"></a>__ARM_call_via_r5</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1151178]"></a>__call_via_r5</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1151130]"></a>__ARM_call_via_r6</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[11510e8]"></a>__call_via_r6</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[11510a0]"></a>__ARM_call_via_r7</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1151058]"></a>__call_via_r7</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1150f38]"></a>_sys_exit</STRONG> (ARM, 20 bytes, Stack size 0 bytes, sys_exit.o(.text), UNUSED)
<BR><BR>[Called By]<UL><LI><a href="#[c767d8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_abort
</UL>

<P><STRONG><a name="[1150ca8]"></a>__user_libspace</STRONG> (ARM, 8 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[1150c60]"></a>__user_perproc_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c760d0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_setup_stackheap
</UL>

<P><STRONG><a name="[1150c18]"></a>__user_perthread_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[11505b0]"></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="#[114fe48]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_digits (via Veneer)
<LI><a href="#[1152aa8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_dec (via Veneer)
</UL>

<P><STRONG><a name="[1150388]"></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="#[1150190]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wc (Weak Reference)
<LI><a href="#[11501d8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_mbtowc (Weak Reference)
<LI><a href="#[1150220]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_hex (Weak Reference)
<LI><a href="#[11512e0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r3
<LI><a href="#[1151370]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
<LI><a href="#[1151400]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r1
<LI><a href="#[11515f8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec (via Veneer)
<LI><a href="#[11528e0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_charcount
<LI><a href="#[1152aa8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_dec
<LI><a href="#[1152ce8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_dec
<LI><a href="#[1152e68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_oct
<LI><a href="#[1153030]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_hex
<LI><a href="#[1153318]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_wctomb
<LI><a href="#[11535c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_str
</UL>
<BR>[Called By]<UL><LI><a href="#[11527c0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_char_common
</UL>

<P><STRONG><a name="[1150340]"></a>_printf_return_value</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, __printf.o(.text), UNUSED)

<P><STRONG><a name="[11502f8]"></a>_printf_percent</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, __printf.o(.text), UNUSED)

<P><STRONG><a name="[11502b0]"></a>_printf_sizespec</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, __printf.o(.text), UNUSED)

<P><STRONG><a name="[1150010]"></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="#[1151370]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
<LI><a href="#[11539b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[11539f8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
</UL>
<BR>[Called By]<UL><LI><a href="#[1152aa8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_dec
<LI><a href="#[1152ce8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_dec
<LI><a href="#[1152e68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_oct
<LI><a href="#[1153030]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_longlong_hex
</UL>

<P><STRONG><a name="[114fe00]"></a>__lib_sel_fp_printf</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, _printf_fp_dec.o(.text), UNUSED)

<P><STRONG><a name="[114fdb8]"></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="#[c74e18]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_locale (via Veneer)
<LI><a href="#[114abf8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__mathlib_classify (via Veneer)
<LI><a href="#[114ed00]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_udiv10 (via Veneer)
<LI><a href="#[114fe48]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_digits
<LI><a href="#[1151370]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r2
<LI><a href="#[11539b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[11539f8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
</UL>
<BR>[Called By]<UL><LI><a href="#[11515f8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_fp_dec (via Veneer)
</UL>

<P><STRONG><a name="[114fa10]"></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="#[1151370]">&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="[114f898]"></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="[114f778]"></a>_strtoul</STRONG> (Thumb, 166 bytes, Stack size 40 bytes, _strtoul.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[c758f8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_errno_addr (via Veneer)
<LI><a href="#[114c268]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_chval
</UL>
<BR>[Called By]<UL><LI><a href="#[1152458]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;strtol
</UL>

<P><STRONG><a name="[114f5b0]"></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="#[c7c8a8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_ctype_table (via Veneer)
<LI><a href="#[11512e0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_call_via_r3
</UL>