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ErikIOT
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/* Entry Point */
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ENTRY(Reset_Handler)
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/* Highest address of the user mode stack */
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/* _estack = 0x20000000 + 131072; end of RAM 131072 is wrong see http://www.openstm32.org/forumthread2359 */
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_estack = 0x20017FFF; /* end of RAM */
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/* Specify the memory areas */
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 1024K
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 96K
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}
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/* Define output sections */
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SECTIONS
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{
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/* The startup code goes first into FLASH */
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.isr_vector :
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{
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. = ALIGN(4);
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KEEP(*(.isr_vector)) /* Startup code */
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. = ALIGN(4);
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} >FLASH
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/* The program code and other data goes into FLASH */
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.text :
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{
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. = ALIGN(4);
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*(.text) /* .text sections (code) */
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*(.text*) /* .text* sections (code) */
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*(.glue_7) /* glue arm to thumb code */
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*(.glue_7t) /* glue thumb to arm code */
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*(.eh_frame)
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KEEP (*(.init))
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KEEP (*(.fini))
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. = ALIGN(4);
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_etext = .; /* define a global symbols at end of code */
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} >FLASH
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/* Constant data goes into FLASH */
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.rodata ALIGN(4) :
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{
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. = ALIGN(4);
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*(.rodata) /* .rodata sections (constants, strings, etc.) */
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*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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. = ALIGN(4);
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} >FLASH
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.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
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.ARM : {
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__exidx_start = .;
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*(.ARM.exidx*)
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__exidx_end = .;
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} >FLASH
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.preinit_array :
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{
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array*))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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} >FLASH
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.init_array :
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{
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array*))
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PROVIDE_HIDDEN (__init_array_end = .);
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} >FLASH
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.fini_array :
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{
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(SORT(.fini_array.*)))
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KEEP (*(.fini_array*))
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PROVIDE_HIDDEN (__fini_array_end = .);
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} >FLASH
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/* used by the startup to initialize data */
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_sidata = LOADADDR(.data);
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/* Initialized data sections goes into RAM, load LMA copy after code */
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.data :
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{
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. = ALIGN(4);
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_sdata = .; /* create a global symbol at data start */
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*(.data) /* .data sections */
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*(.data*) /* .data* sections */
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. = ALIGN(4);
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_edata = .; /* define a global symbol at data end */
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} >RAM AT> FLASH
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/* Uninitialized data section */
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. = ALIGN(4);
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.bss :
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{
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/* This is used by the startup in order to initialize the .bss secion */
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_sbss = .; /* define a global symbol at bss start */
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__bss_start__ = _sbss;
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*(.bss)
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = .; /* define a global symbol at bss end */
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__bss_end__ = _ebss;
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} >RAM
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PROVIDE ( _end = . );
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/* Remove information from the standard libraries */
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/DISCARD/ :
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{
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libc.a ( * )
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libm.a ( * )
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libgcc.a ( * )
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}
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.ARM.attributes 0 : { *(.ARM.attributes) }
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}
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@ -0,0 +1,40 @@
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#include "stm32_build_defines.h"
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#include "stm32_def.h"
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extern void SystemClock_Config(void) {
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RCC_OscInitTypeDef RCC_OscInitStruct;
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
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RCC_OscInitStruct.MSIState = RCC_MSI_ON;
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RCC_OscInitStruct.MSICalibrationValue = 0;
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RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
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RCC_OscInitStruct.PLL.PLLM = 1;
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RCC_OscInitStruct.PLL.PLLN = 40;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
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RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
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RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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HAL_RCC_OscConfig(&RCC_OscInitStruct);
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4);
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__HAL_RCC_PWR_CLK_ENABLE();
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HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
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HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
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HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
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/* SysTick_IRQn interrupt configuration */
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HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
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}
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@ -0,0 +1,100 @@
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#ifndef VARIANT_H
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#define VARIANT_H
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#define LED_BUILTIN PA5
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#define LED2_BUILTIN PB14
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#define LED3_BUILTIN PC9
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#define MOSI PA7
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#define MISO PA6
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#define SCK PA5
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#define SS PA15
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#define SDA PB9
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#define SCL PB8
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#define A0 PC5
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#define A1 PC4
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#define A2 PC3
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#define A3 PC2
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#define A4 PC1
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#define A5 PC0
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#define D0 PA1
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#define D1 PA0
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#define D2 PD14
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#define D3 PB0
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#define D4 PA3
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#define D5 PB4
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#define D6 PB1
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#define D7 PA4
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#define D8 PB2
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#define D9 PA15
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#define D10 PA2
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#define D11 PA7
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#define D12 PA6
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#define D13 PA5
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#define D14 PB9
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#define D15 PB8
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#define USER_BUTTON PC13
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#define VARIANT_PIN_LIST \
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PIN(A,1 ), /* D0 */ \
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PIN(A,0 ), /* D1 */ \
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PIN(D,14), /* D2 */ \
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PIN(B,0 ), /* D3 */ \
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PIN(A,3 ), /* D4 */ \
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PIN(B,4 ), /* D5 */ \
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PIN(B,1), /* D6 */ \
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PIN(A,4 ), /* D7 */ \
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PIN(B,2 ), /* D8 */ \
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PIN(A,15 ), /* D9 */ \
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PIN(A,2 ), /* D10 */ \
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PIN(A,7 ), /* D11 */ \
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PIN(A,6 ), /* D12 */ \
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PIN(A,5 ), /* D13 */ \
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PIN(B,9 ), /* D14 */ \
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PIN(B,8 ), /* D15 */ \
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PIN(C,5 ), /* D16 / A0 */ \
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PIN(C,4 ), /* D17 / A1 */ \
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PIN(C,3 ), /* D18 / A2 */ \
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PIN(C,2 ), /* D19 / A3 */ \
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PIN(C,1 ), /* D20 / A4 */ \
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PIN(C,0 ), /* D21 / A5 */ \
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PIN(A,8), \
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PIN(A,9), \
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PIN(A,10), \
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PIN(A,11), \
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PIN(A,12), \
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PIN(A,13), \
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PIN(A,14), \
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PIN(B,3), \
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PIN(B,5), \
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PIN(B,6), \
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PIN(B,7 ), \
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PIN(B,12), \
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PIN(B,13), \
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PIN(B,14), /* LED2_BUILTIN */ \
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PIN(B,15), \
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PIN(C,6 ), \
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PIN(C,8 ), \
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PIN(C,9 ), \
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PIN(C,10), \
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PIN(C,11), \
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PIN(C,12), \
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PIN(C,13), \
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PIN(C,14), \
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PIN(C,15), \
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PIN(D,0 ), \
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PIN(D,1 ), \
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PIN(D,2 ), \
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PIN(D,3 ), \
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PIN(D,4 ), \
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PIN(D,5 ), \
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PIN(D,6 ), \
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PIN(D,7 ), \
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#endif
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