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LP236X的教程里面有许多源码例程。我当初可是花钱买来的。希望能帮得上忙。

<P><STRONG><a name="[121a7c8]"></a>__aeabi_memclr</STRONG> (ARM, 0 bytes, Stack size 0 bytes, rt_memclr.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[11ff4b8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;fat_format (via Veneer)
<LI><a href="#[11ff938]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;write_mbr (via Veneer)
<LI><a href="#[11ffaa0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;write_dot_entries (via Veneer)
<LI><a href="#[11ffb30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;write_br (via Veneer)
</UL>

<P><STRONG><a name="[121a780]"></a>__rt_memclr</STRONG> (ARM, 64 bytes, Stack size 0 bytes, rt_memclr.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[121a1e8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_memset_w
</UL>

<P><STRONG><a name="[121a738]"></a>_memset</STRONG> (ARM, 0 bytes, Stack size unknown bytes, rt_memclr.o(.text), UNUSED)

<P><STRONG><a name="[121a580]"></a>__aeabi_memcpy4</STRONG> (ARM, 0 bytes, Stack size 8 bytes, rt_memcpy_w.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = __aeabi_memcpy4
</UL>
<BR>[Called By]<UL><LI><a href="#[11ff980]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;write_last_entry (via Veneer)
<LI><a href="#[11ff9c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;write_label (via Veneer)
<LI><a href="#[11ffaa0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;write_dot_entries (via Veneer)
<LI><a href="#[11ffdb8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;read_last_entry (via Veneer)
<LI><a href="#[121a9c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_memcpy
</UL>

<P><STRONG><a name="[121a538]"></a>__aeabi_memcpy8</STRONG> (ARM, 0 bytes, Stack size 8 bytes, rt_memcpy_w.o(.text), UNUSED)

<P><STRONG><a name="[121a4f0]"></a>__rt_memcpy_w</STRONG> (ARM, 100 bytes, Stack size 8 bytes, rt_memcpy_w.o(.text), UNUSED)

<P><STRONG><a name="[121a4a8]"></a>_memcpy_lastbytes_aligned</STRONG> (ARM, 0 bytes, Stack size unknown bytes, rt_memcpy_w.o(.text), UNUSED)

<P><STRONG><a name="[121a2c0]"></a>__aeabi_memclr4</STRONG> (ARM, 0 bytes, Stack size 4 bytes, rt_memclr_w.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 4<LI>Call Chain = __aeabi_memclr4
</UL>
<BR>[Called By]<UL><LI><a href="#[11ff9c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;write_label (via Veneer)
<LI><a href="#[11ffe90]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;init_dev (via Veneer)
<LI><a href="#[121b170]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_initio (via Veneer)
<LI><a href="#[121b1b8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;fopen (via Veneer)
<LI><a href="#[121b5a8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fclose_internal (via Veneer)
</UL>

<P><STRONG><a name="[121a278]"></a>__aeabi_memclr8</STRONG> (ARM, 0 bytes, Stack size 4 bytes, rt_memclr_w.o(.text), UNUSED)

<P><STRONG><a name="[121a230]"></a>__rt_memclr_w</STRONG> (ARM, 84 bytes, Stack size 4 bytes, rt_memclr_w.o(.text), UNUSED)

<P><STRONG><a name="[121a1e8]"></a>_memset_w</STRONG> (ARM, 0 bytes, Stack size unknown bytes, rt_memclr_w.o(.text), UNUSED)
<BR><BR>[Called By]<UL><LI><a href="#[121a780]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_memclr
</UL>

<P><STRONG><a name="[121a010]"></a>strcpy</STRONG> (Thumb, 74 bytes, Stack size 12 bytes, strcpy.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 12<LI>Call Chain = strcpy
</UL>
<BR>[Called By]<UL><LI><a href="#[d82bd0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;init_card
</UL>

<P><STRONG><a name="[1219e50]"></a>strlen</STRONG> (Thumb, 68 bytes, Stack size 8 bytes, strlen.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = strlen
</UL>
<BR>[Called By]<UL><LI><a href="#[d78108]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;ffind
<LI><a href="#[d82ca8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;cmd_dir
<LI><a href="#[d82cf0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;cmd_delete
<LI><a href="#[d82d80]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;cmd_rename
<LI><a href="#[11ffa58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;write_entries
<LI><a href="#[11ffd28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;rename_entries
</UL>

<P><STRONG><a name="[1219c98]"></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="#[d78108]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;ffind (via Veneer)
<LI><a href="#[d7cc10]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_sys_open (via Veneer)
<LI><a href="#[d82708]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main (via Veneer)
<LI><a href="#[d82d38]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;cmd_copy (via Veneer)
<LI><a href="#[d82d80]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;cmd_rename (via Veneer)
<LI><a href="#[d82e58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;cmd_capture (via Veneer)
<LI><a href="#[1200310]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;chk_dir_empty (via Veneer)
<LI><a href="#[120f358]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_ctype
</UL>

<P><STRONG><a name="[12199b0]"></a>__aeabi_idiv</STRONG> (ARM, 0 bytes, Stack size 8 bytes, aeabi_sdiv.o(.text), UNUSED)

<P><STRONG><a name="[1219968]"></a>__aeabi_idivmod</STRONG> (ARM, 384 bytes, Stack size 8 bytes, aeabi_sdiv.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = __aeabi_idivmod
</UL>
<BR>[Called By]<UL><LI><a href="#[11ffe90]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;init_dev (via Veneer)
<LI><a href="#[11fff68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;get_nt_name (via Veneer)
</UL>

<P><STRONG><a name="[1218c70]"></a>__use_two_region_memory</STRONG> (ARM, 4 bytes, Stack size 0 bytes, stkheap2.o(.text), UNUSED)

<P><STRONG><a name="[1218c28]"></a>__rt_stackheap_init</STRONG> (ARM, 36 bytes, Stack size 16 bytes, stkheap2.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 24 + Unknown Stack Size
<LI>Call Chain = __rt_stackheap_init &rArr; __user_setup_stackheap
</UL>
<BR>[Calls]<UL><LI><a href="#[1216ee8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_storage
<LI><a href="#[1217888]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_setup_stackheap
</UL>
<BR>[Called By]<UL><LI><a href="#[1218020]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[1218be0]"></a>__rt_heap_extend</STRONG> (ARM, 24 bytes, Stack size 8 bytes, stkheap2.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = __rt_heap_extend
</UL>
<BR>[Calls]<UL><LI><a href="#[1218b08]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_heap_extend (Weak Reference)
</UL>
<BR>[Called By]<UL><LI><a href="#[120cce8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__heap_extend
</UL>

<P><STRONG><a name="[12187a8]"></a>__ARM_switch8</STRONG> (ARM, 24 bytes, Stack size 0 bytes, switch8.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[11fff68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;get_nt_name (via Veneer)
</UL>

<P><STRONG><a name="[1218760]"></a>__rt_switch8</STRONG> (ARM, 0 bytes, Stack size 0 bytes, switch8.o(.text), UNUSED)

<P><STRONG><a name="[1218640]"></a>__ARM_call_via_r0</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[12185f8]"></a>__call_via_r0</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[12185b0]"></a>__ARM_call_via_r1</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[d82708]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
<LI><a href="#[1210028]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__vfscanf
<LI><a href="#[121c438]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_scanf_longlong
<LI><a href="#[121c660]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_scanf_int
<LI><a href="#[121ded8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1218568]"></a>__call_via_r1</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1218520]"></a>__ARM_call_via_r2</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1210028]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__vfscanf
<LI><a href="#[12102c0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_outstr_char
<LI><a href="#[1213e90]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_int_common
<LI><a href="#[121d9b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_post_padding
<LI><a href="#[121d9f8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_pre_padding
<LI><a href="#[121ded8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[12184d8]"></a>__call_via_r2</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1218490]"></a>__ARM_call_via_r3</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)
<BR><BR>[Called By]<UL><LI><a href="#[121d7c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_str
<LI><a href="#[121ded8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__printf
</UL>

<P><STRONG><a name="[1218448]"></a>__call_via_r3</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1218400]"></a>__ARM_call_via_r4</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[12183b8]"></a>__call_via_r4</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1218370]"></a>__ARM_call_via_r5</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1218328]"></a>__call_via_r5</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[12182e0]"></a>__ARM_call_via_r6</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1218298]"></a>__call_via_r6</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1218250]"></a>__ARM_call_via_r7</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1218208]"></a>__call_via_r7</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, callvia.o(.text), UNUSED)

<P><STRONG><a name="[1218020]"></a>__rt_entry</STRONG> (ARM, 76 bytes, Stack size 16 bytes, kernel.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 536 + Unknown Stack Size
<LI>Call Chain = __rt_entry &rArr; __rt_lib_init &rArr; _initio &rArr; freopen &rArr; _sys_open &rArr; __fopen &rArr; fat_find_file &rArr; fat_find_dir &rArr; write_entries &rArr; search_for_name &rArr; alloc_new_clus &rArr; get_free_clus &rArr; cache_fat &rArr; mmc_write_sect &rArr; mci_read_status &rArr; mci_command
</UL>
<BR>[Calls]<UL><LI><a href="#[120dd68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_platform_post_lib_init
<LI><a href="#[120ded8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_platform_post_stackheap_init
<LI><a href="#[120e7d0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_lib_init (via Veneer)
<LI><a href="#[120f130]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;exit (via BX)
<LI><a href="#[1218c28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_init
</UL>
<BR>[Called By]<UL><LI><a href="#[120b3d0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__scatterload_rt2
<LI><a href="#[12189a0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__main
</UL>

<P><STRONG><a name="[1217fd8]"></a>__rt_exit</STRONG> (ARM, 20 bytes, Stack size 8 bytes, kernel.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 352 + Unknown Stack Size
<LI>Call Chain = __rt_exit &rArr; __rt_lib_shutdown &rArr; _terminateio &rArr; fclose &rArr; _fclose_internal &rArr; _do_fflush &rArr; _deferredlazyseek &rArr; _fflush &rArr; _writebuf &rArr; _sys_write &rArr; __write &rArr; fat_write &rArr; get_free_clus &rArr; cache_fat &rArr; mmc_write_sect &rArr; mci_read_status &rArr; mci_command
</UL>
<BR>[Calls]<UL><LI><a href="#[120e788]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_lib_shutdown (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[120f130]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;exit (via Veneer)
</UL>

<P><STRONG><a name="[1217f90]"></a>__rt_abort</STRONG> (ARM, 8 bytes, Stack size 0 bytes, kernel.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[d7c940]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_sys_exit (via Veneer)
</UL>

<P><STRONG><a name="[12179f8]"></a>_mutex_initialize</STRONG> (ARM, 8 bytes, Stack size 0 bytes, mutex_init.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[121b170]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_initio (via Veneer)
<LI><a href="#[121b1b8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;fopen (via Veneer)
</UL>

<P><STRONG><a name="[1217888]"></a>__user_setup_stackheap</STRONG> (ARM, 96 bytes, Stack size 8 bytes, sys_stackheap_outer.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8 + Unknown Stack Size
<LI>Call Chain = __user_setup_stackheap
</UL>
<BR>[Calls]<UL><LI><a href="#[d80910]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_initial_stackheap
<LI><a href="#[1212218]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_perproc_libspace
</UL>
<BR>[Called By]<UL><LI><a href="#[1218c28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_init
</UL>

<P><STRONG><a name="[1217618]"></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="#[1211758]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_locale
</UL>
<BR>[Called By]<UL><LI><a href="#[1210430]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;isspace (via Veneer)
<LI><a href="#[121e120]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;toupper (via Veneer)
</UL>

<P><STRONG><a name="[1216ee8]"></a>__rt_stackheap_storage</STRONG> (ARM, 12 bytes, Stack size 0 bytes, rt_stackheap_storage_intlibspace.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[1218c28]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_init
</UL>