60 lines
961 B
C
60 lines
961 B
C
#include <stdint.h>
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#include <stdbool.h>
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#include "tm4c123gh6pm.h"
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#define mask_bits 0x11 //mask bits for user switch
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void GPIOF_config(void);
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void GPIOF_Int_Config(void);
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void main(void)
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{
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SYSCTL_RCC_R &= ~(1 << 20); //SYSTEM CLOCK SOURCE FOR 16MHz PWM
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SYSCTL_RCGC0_R |= 0x00100000; //enable clock for PWM module
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SYSCTL_RCGCPWM_R = 0x3; //
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GPIOF_config();
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GPIOF_Interrupt_config();
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GPIO_PORTF_AFSEL_R |= 0x02;
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GPIO_PORTF_PCTL_R |= 0x50;
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PWM1_2_CTL_R= 0x00000000;
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PWM1_2_GENB_R |= 0x80E;
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PWM1_2_LOAD_R = 0xA0;
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PWM1_2_CMPB_R = 0x50;
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PWM1_2_CTL_R |=0x01;
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PWM1_ENABLE_R |=(1<<5);
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while(1);
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}
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void GPIOF_config()
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{
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SYSCTL_RCGC2_R |= 0x20;
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GPIO_PORTF_LOCK_R = 0x4C4F434B;
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GPIO_PORTF_CR_R = 0x1F;
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GPIO_PORTF_DEN_R= 0x1F;
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GPIO_PORTF_DIR_R= 0x0E;
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GPIO_PORTF_PUR_R = 0x11;
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}
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