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32 lines
827 B
C
32 lines
827 B
C
#include "TM4C123GH6PM.h"
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#include "bsp.h"
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int main(void) {
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SYSCTL->RCGCGPIO |= (1U << 5U); /* enable Run mode for GPIOF */
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SYSCTL->GPIOHBCTL |= (1U << 5U); /* enable AHB for GPIOF */
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GPIOF_AHB->DIR |= (LED_RED | LED_BLUE | LED_GREEN);
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GPIOF_AHB->DEN |= (LED_RED | LED_BLUE | LED_GREEN);
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SysTick->LOAD = SYS_CLOCK_HZ/2U - 1U;
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SysTick->VAL = 0U;
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SysTick->CTRL = (1U << 2U) | (1U << 1U) | 1U;
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SysTick_Handler();
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__enable_irq();
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while (1) {
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GPIOF_AHB->DATA_Bits[LED_GREEN] = LED_GREEN;
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GPIOF_AHB->DATA_Bits[LED_GREEN] = 0U;
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//__disable_irq();
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//GPIOF_AHB->DATA |= LED_GREEN;
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//__enable_irq();
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//
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//__disable_irq();
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//GPIOF_AHB->DATA &= ~LED_GREEN;
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//__enable_irq();
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}
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//return 0; // unreachable code
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}
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