David Siorpaes
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Nucleo_blinky_with_registers
Blinky LED example with registers for PoliMI
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main.cpp
00001 #include "mbed.h" 00002 00003 int main(){ 00004 volatile int i; 00005 00006 /* Enable RCC GPIOA clock */ 00007 *((uint32_t*)0x40023830) |= (1<<0); 00008 00009 /* Set PA5 as digital output */ 00010 *((uint32_t*)0x40020000) |= (1<<10); 00011 00012 while(1) { 00013 /* PA5 on */ 00014 *((uint32_t*)0x40020014) |= (1<<5); 00015 00016 /* Delay */ 00017 for(i = 5000000; i; i--); 00018 00019 /* PA5 off */ 00020 *((uint32_t*)0x40020014) &= ~(1<<5); 00021 00022 /* Delay */ 00023 for(i = 5000000; i; i--); 00024 } 00025 }
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