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📄 gpio.htm

📁 arm st912 GPIO 操作实例
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<LI><a href="#[dbaca8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;Delay
<LI><a href="#[dbb818]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;WIU_ClearITPendingBit
<LI><a href="#[dbba58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;WIU_Init
<LI><a href="#[dbc898]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SCU_WakeUpLineConfig
<LI><a href="#[dbf910]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;LCD_Clr
<LI><a href="#[dbf958]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;LCD_SetCursor
<LI><a href="#[dbfa30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;LCD_DISP_CHAR
<LI><a href="#[dbfa78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;LCD_Init
<LI><a href="#[dc0cd0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;GPIO_WriteBit
<LI><a href="#[dc0d60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;GPIO_ReadBit
<LI><a href="#[dc0da8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;GPIO_StructInit
<LI><a href="#[dc0df0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;GPIO_Init
<LI><a href="#[dc0e38]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;GPIO_DeInit
<LI><a href="#[dc1de8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;debug
</UL>
<BR>[Address Reference Count : 1]<UL><LI> kernel.o(.text)
</UL>
<P><STRONG><a name="[db8de8]"></a>Undefined_Handler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text), UNUSED)

<P><STRONG><a name="[db8da0]"></a>SWI_Handler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text), UNUSED)

<P><STRONG><a name="[db8d58]"></a>Prefetch_Handler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text), UNUSED)

<P><STRONG><a name="[db8d10]"></a>Abort_Handler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text), UNUSED)

<P><STRONG><a name="[db8cc8]"></a>FIQ_Handler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text), UNUSED)

<P><STRONG><a name="[dbdb00]"></a>WDG_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbde18]"></a>SW_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe3b8]"></a>ARMRX_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe370]"></a>ARMTX_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbddd0]"></a>TIM0_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdd88]"></a>TIM1_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdd40]"></a>TIM2_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdcf8]"></a>TIM3_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdbd8]"></a>USBHP_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdb90]"></a>USBLP_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdef0]"></a>SCU_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe250]"></a>ENET_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe2e0]"></a>DMA_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe328]"></a>CAN_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe010]"></a>MC_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe400]"></a>ADC_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdcb0]"></a>UART0_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdc68]"></a>UART1_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdc20]"></a>UART2_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe0e8]"></a>I2C0_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe0a0]"></a>I2C1_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdea8]"></a>SSP0_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbde60]"></a>SSP1_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe058]"></a>LVD_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdf80]"></a>RTC_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdab8]"></a>WIU_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe208]"></a>EXTIT0_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe1c0]"></a>EXTIT1_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe178]"></a>EXTIT2_IRQHandler</STRONG> (ARM, 196 bytes, Stack size 32 bytes, 91x_it.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = EXTIT2_IRQHandler
</UL>
<BR>[Calls]<UL><LI><a href="#[db9418]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;IENABLE
<LI><a href="#[db9460]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;IDISABLE
<LI><a href="#[dbb818]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;WIU_ClearITPendingBit
<LI><a href="#[dc0cd0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;GPIO_WriteBit
</UL>
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe130]"></a>EXTIT3_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdb48]"></a>USBWU_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbdfc8]"></a>PFQBC_IRQHandler</STRONG> (ARM, 4 bytes, Stack size 0 bytes, 91x_it.o(.text))
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[dbe298]"></a>DefaultVector_Handler</STRONG> (ARM, 40 bytes, Stack size 8 bytes, 91x_it.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = DefaultVector_Handler
</UL>
<BR>[Address Reference Count : 1]<UL><LI> 91x_vic.o(.text)
</UL>
<P><STRONG><a name="[db7770]"></a>__aeabi_idiv</STRONG> (ARM, 0 bytes, Stack size 8 bytes, aeabi_sdiv.o(.text), UNUSED)

<P><STRONG><a name="[db7728]"></a>__aeabi_idivmod</STRONG> (ARM, 384 bytes, Stack size 8 bytes, aeabi_sdiv.o(.text), UNUSED)
<BR><BR>[Called By]<UL><LI><a href="#[dbca00]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SCU_GetPLLFreqValue
</UL>

<P><STRONG><a name="[db69b0]"></a>__use_two_region_memory</STRONG> (ARM, 4 bytes, Stack size 0 bytes, stkheap2.o(.text), UNUSED)

<P><STRONG><a name="[db6968]"></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="#[db5668]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_storage
<LI><a href="#[db5df8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_setup_stackheap
</UL>
<BR>[Called By]<UL><LI><a href="#[db6420]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[db6920]"></a>__rt_heap_extend</STRONG> (ARM, 24 bytes, Stack size 8 bytes, stkheap2.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[db6848]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_heap_extend (Weak Reference)
</UL>

<P><STRONG><a name="[db6420]"></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 &rArr; __rt_lib_init &rArr; _fp_init
</UL>
<BR>[Calls]<UL><LI><a href="#[db3de8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_platform_post_lib_init
<LI><a href="#[db3f58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_platform_post_stackheap_init
<LI><a href="#[db4958]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_lib_init (via BLX)
<LI><a href="#[db4dd8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;exit (via BX)
<LI><a href="#[db6968]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_init
</UL>
<BR>[Called By]<UL><LI><a href="#[db66e0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__main
<LI><a href="#[1260870]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__scatterload_rt2
</UL>

<P><STRONG><a name="[db63d8]"></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 &rArr; __rt_lib_shutdown
</UL>
<BR>[Calls]<UL><LI><a href="#[db4910]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_lib_shutdown (via BLX)
</UL>
<BR>[Called By]<UL><LI><a href="#[db4dd8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;exit (via BLX)
</UL>

<P><STRONG><a name="[db6390]"></a>__rt_abort</STRONG> (ARM, 8 bytes, Stack size 0 bytes, kernel.o(.text), UNUSED)
<BR><BR>[Calls]<UL><LI><a href="#[db54b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_sys_exit
</UL>

<P><STRONG><a name="[db5df8]"></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="#[db51d8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_perproc_libspace
<LI><a href="#[dc3330]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_initial_stackheap
</UL>
<BR>[Called By]<UL><LI><a href="#[db6968]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_init
</UL>

<P><STRONG><a name="[db5668]"></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="#[db6968]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_stackheap_init
</UL>

<P><STRONG><a name="[db54b0]"></a>_sys_exit</STRONG> (ARM, 20 bytes, Stack size 0 bytes, sys_exit.o(.text), UNUSED)
<BR><BR>[Called By]<UL><LI><a href="#[db6390]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_abort
</UL>

<P><STRONG><a name="[db5220]"></a>__user_libspace</STRONG> (ARM, 8 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[db51d8]"></a>__user_perproc_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text))
<BR><BR>[Called By]<UL><LI><a href="#[db5df8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__user_setup_stackheap
</UL>

<P><STRONG><a name="[db5190]"></a>__user_perthread_libspace</STRONG> (ARM, 0 bytes, Stack size 0 bytes, libspace.o(.text), UNUSED)

<P><STRONG><a name="[db4dd8]"></a>exit</STRONG> (Thumb, 12 bytes, Stack size 0 bytes, exit.o(.text))
<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="#[db4d48]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_call_atexit_fns (Weak Reference)
<LI><a href="#[db63d8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_exit (via BLX)
</UL>
<BR>[Called By]<UL><LI><a href="#[db6420]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__rt_entry
</UL>

<P><STRONG><a name="[db4958]"></a>__rt_lib_init</STRONG> (Thumb, 176 bytes, Stack size 40 bytes, lib_init.o(.text))
<BR><BR>[Stack]<UL><LI>Max Depth = 48<LI>Call Chain = __rt_lib_init &rArr; _fp_init
</UL>
<BR>[Calls]<UL><LI><a href="#[db4328]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_signal_init (Weak Reference)
<LI><a href="#[db4370]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_rand_init (Weak Reference)
<LI><a href="#[db43b8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_initio (Weak Reference)
<LI><a href="#[db4400]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_init_user_alloc (Weak Reference)
<LI><a href="#[db4448]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_init_alloc (Weak Reference)
<LI><a href="#[db4490]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_getenv_init (Weak Reference)
<LI><a href="#[db44d8]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_time (Weak Reference)
<LI><a href="#[db4520]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_numeric (Weak Reference)
<LI><a href="#[db4568]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_monetary (Weak Reference)
<LI><a href="#[db45b0]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_get_lc_ctype (Weak Reference)

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