test spi.htm

该代码实现LPC2132平台下的超声波测距功能

<P><STRONG><a name="[bcd210]"></a>I2C_WriteNByte</STRONG> (ARM, 268 bytes, Stack size 8 bytes, i2cint.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = I2C_WriteNByte</UL>
<BR>[Called By]<UL><LI><a href="#[bc9e38]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;ZLG7290_Cmd
</UL>

<P><STRONG><a name="[bc9e38]"></a>ZLG7290_Cmd</STRONG> (ARM, 64 bytes, Stack size 24 bytes, zlg7290.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = ZLG7290_Cmd -> I2C_WriteNByte</UL>
<BR>[Calls]<UL><LI><a href="#[bcd210]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;I2C_WriteNByte
</UL>
<BR>[Called By]<UL><LI><a href="#[b25280]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;ZLG7290_Download
</UL>

<P><STRONG><a name="[b25280]"></a>ZLG7290_Download</STRONG> (ARM, 76 bytes, Stack size 32 bytes, zlg7290.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 64<LI>Call Chain = ZLG7290_Download -> ZLG7290_Cmd -> I2C_WriteNByte</UL>
<BR>[Calls]<UL><LI><a href="#[bc9e38]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;ZLG7290_Cmd
</UL>
<BR>[Called By]<UL><LI><a href="#[b255cc]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;ZLG7290_LED
<LI><a href="#[bc9d48]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;Disp_Value
<LI><a href="#[bc9dc0]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;ClearAll
</UL>

<P><STRONG><a name="[bc9dc0]"></a>ClearAll</STRONG> (ARM, 56 bytes, Stack size 8 bytes, zlg7290.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[b25280]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;ZLG7290_Download
</UL>

<P><STRONG><a name="[bc9d48]"></a>Disp_Value</STRONG> (ARM, 88 bytes, Stack size 16 bytes, zlg7290.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[b25280]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;ZLG7290_Download
<LI><a href="#[c0fc78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_idivmod
</UL>

<P><STRONG><a name="[c0fcc8]"></a>__aeabi_idiv</STRONG> (ARM, 0 bytes, Stack size 0 bytes, aeabi_sdiv.o(.text), UNUSED)

<P><STRONG><a name="[c0fc78]"></a>__aeabi_idivmod</STRONG> (ARM, 364 bytes, Stack size 0 bytes, aeabi_sdiv.o(.text))
<BR><BR>[Calls]<UL><LI><a href="#[c0b01c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_idiv0
</UL>
<BR>[Called By]<UL><LI><a href="#[b255cc]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;ZLG7290_LED
<LI><a href="#[bc9d48]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;Disp_Value
</UL>

<P><STRONG><a name="[c0cf28]"></a>__use_two_region_memory</STRONG> (ARM, 4 bytes, Stack size 0 bytes, stkheap2.o(.text), UNUSED)

<P><STRONG><a name="[c0cea0]"></a>__rt_stackheap_init</STRONG> (ARM, 60 bytes, Stack size 24 bytes, stkheap2.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 32 + Unknown Stack Size
<LI>Call Chain = __rt_stackheap_init -> __user_setup_stackheap</UL>
<BR>[Calls]<UL><LI><a href="#[c0a108]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_storage
<LI><a href="#[c0b4a0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_setup_stackheap
</UL>
<BR>[Called By]<UL><LI><a href="#[c0be40]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[c0ce18]"></a>__rt_heap_extend</STRONG> (ARM, 24 bytes, Stack size 8 bytes, stkheap2.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[c0cffc]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_heap_extend (Weak Reference)
</UL>

<P><STRONG><a name="[c0be40]"></a>__rt_entry</STRONG> (ARM, 76 bytes, Stack size 16 bytes, kernel.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 64 + Unknown Stack Size
<LI>Call Chain = __rt_entry -> __rt_lib_init -> _fp_init</UL>
<BR>[Calls]<UL><LI><a href="#[c0838c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;exit (via BX)
<LI><a href="#[c0cea0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_init
<LI><a href="#[100dfc8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_platform_post_lib_init
<LI><a href="#[100e41c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_platform_post_stackheap_init
<LI><a href="#[100fc54]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_lib_init (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[c0c7e8]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__main
<LI><a href="#[fde594]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__scatterload_rt2
</UL>

<P><STRONG><a name="[c0bcf8]"></a>__rt_exit</STRONG> (ARM, 20 bytes, Stack size 8 bytes, kernel.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = __rt_exit -> __rt_lib_shutdown</UL>
<BR>[Calls]<UL><LI><a href="#[100fc04]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_lib_shutdown (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[c0838c]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;exit (via Veneer)
</UL>

<P><STRONG><a name="[c0bc80]"></a>__rt_abort</STRONG> (ARM, 8 bytes, Stack size 0 bytes, kernel.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[c093d4]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_sys_exit
</UL>

<P><STRONG><a name="[c0b4a0]"></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="#[b28054]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_initial_stackheap
<LI><a href="#[c08ef8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_perproc_libspace
</UL>
<BR>[Called By]<UL><LI><a href="#[c0cea0]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_init
</UL>

<P><STRONG><a name="[c0b01c]"></a>__aeabi_idiv0</STRONG> (ARM, 4 bytes, Stack size 0 bytes, aeabi_idiv0.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c0fc78]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__aeabi_idivmod
</UL>

<P><STRONG><a name="[c0a108]"></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="#[c0cea0]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_init
</UL>

<P><STRONG><a name="[c093d4]"></a>_sys_exit</STRONG> (ARM, 20 bytes, Stack size 0 bytes, sys_exit.o(.text), UNUSED)
<BR><BR>[Called By]<UL><LI><a href="#[c0bc80]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__rt_abort
</UL>

<P><STRONG><a name="[c08dd0]"></a>__user_libspace</STRONG> (ARM, 8 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[c08ef8]"></a>__user_perproc_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c0b4a0]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__user_setup_stackheap
</UL>

<P><STRONG><a name="[c08e70]"></a>__user_perthread_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[c0838c]"></a>exit</STRONG> (Thumb, 24 bytes, Stack size 8 bytes, exit.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = exit -> __rt_exit -> __rt_lib_shutdown</UL>
<BR>[Calls]<UL><LI><a href="#[c0823c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_call_atexit_fns (Weak Reference)
<LI><a href="#[c082bc]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_stackcheck (Weak Reference)
<LI><a href="#[c0bcf8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_exit (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[c0be40]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[100fc54]"></a>__rt_lib_init</STRONG> (Thumb, 188 bytes, Stack size 40 bytes, lib_init.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 48<LI>Call Chain = __rt_lib_init -> _fp_init</UL>
<BR>[Calls]<UL><LI><a href="#[c082bc]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_stackcheck (Weak Reference)
<LI><a href="#[1009918]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_init (via Veneer)
<LI><a href="#[100c900]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_locale (via Veneer)
<LI><a href="#[100f1d4]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_signal_init (Weak Reference)
<LI><a href="#[100f250]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_rand_init (Weak Reference)
<LI><a href="#[100f2c8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_initio (Weak Reference)
<LI><a href="#[100f33c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_init_user_alloc (Weak Reference)
<LI><a href="#[100f3bc]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_init_alloc (Weak Reference)
<LI><a href="#[100f434]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_getenv_init (Weak Reference)
<LI><a href="#[100f4b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_time (Weak Reference)
<LI><a href="#[100f52c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_numeric (Weak Reference)
<LI><a href="#[100f5a8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_monetary (Weak Reference)
<LI><a href="#[100f628]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_ctype (Weak Reference)
<LI><a href="#[100f6a4]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_collate (Weak Reference)
<LI><a href="#[100f720]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_fp_trap_init (Weak Reference)
<LI><a href="#[100f79c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_clock_init (Weak Reference)
<LI><a href="#[100f814]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_atexit_init (Weak Reference)
<LI><a href="#[100f90c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__cpp_initialize__aeabi_ (Weak Reference)
<LI><a href="#[100f994]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__alloca_initialize (Weak Reference)
<LI><a href="#[100fa14]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__Heap_DescSize (Weak Reference)
<LI><a href="#[100fa90]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_exceptions_init (Weak Reference)
<LI><a href="#[100fd20]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_argv_veneer (via Veneer)
</UL>
<BR>[Called By]<UL><LI><a href="#[c0be40]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__rt_entry (via Veneer)
</UL>

<P><STRONG><a name="[100fc04]"></a>__rt_lib_shutdown</STRONG> (Thumb, 26 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="#[c082bc]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__ARM_stackcheck (Weak Reference)
<LI><a href="#[100f0d4]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_terminateio (Weak Reference)
<LI><a href="#[100f150]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_terminate_user_alloc (Weak Reference)
<LI><a href="#[100f890]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__cxa_finalize (Weak Reference)
</UL>
<BR>[Called By]<UL><LI><a href="#[c0bcf8]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__rt_exit (via Veneer)
</UL>

<P><STRONG><a name="[100e41c]"></a>_platform_post_stackheap_init</STRONG> (ARM, 12 bytes, Stack size 0 bytes, boardinit2.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[c0be40]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[100dfc8]"></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="#[c0be40]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[100d7b4]"></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="[100d72c]"></a>__use_no_semihosting_swi</STRONG> (ARM, 4 bytes, Stack size 0 bytes, use_no_semi.o(.text), UNUSED)

<P><STRONG><a name="[100c900]"></a>__rt_locale</STRONG> (ARM, 12 bytes, Stack size 0 bytes, rt_locale_intlibspace.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[100fc54]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;__rt_lib_init (via Veneer)
</UL>

<P><STRONG><a name="[1009db0]"></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="[1008504]"></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="#[1009918]">&lt;&lt;</a>&nbsp;&nbsp;&nbsp;_fp_init