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63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
/*
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* Routines to access hardware
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*
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* Copyright (c) 2013 Realtek Semiconductor Corp.
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*
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* This module is a confidential and proprietary property of RealTek and
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* possession or use of this module requires written permission of RealTek.
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*/
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#include "device.h"
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#include "pwmout_api.h" // mbed
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#include "main.h"
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#include "os_support.h"
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#define PWM_1 PC_0
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#define PWM_2 PC_1
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#define PWM_3 PC_2
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#define PWM_4 PC_3
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pwmout_t pwm_led[4];
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PinName pwm_led_pin[4] = {PWM_1, PWM_2, PWM_3, PWM_4};
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float period[8] = {1.0/523, 1.0/587, 1.0/659, 1.0/698, 1.0/784, 1.0/880, 1.0/988, 1.0/1047};
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extern void RtlMsleepOS(u32 ms);
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void pwm_delay(void)
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{
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for(int i=0;i<1000000;i++)
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asm(" nop");
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}
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/**
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* @brief Main program.
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* @param None
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* @retval None
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*/
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//int main_app(IN u16 argc, IN u8 *argv[])
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void main(void)
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{
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int i;
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pwmout_init(&pwm_led[3], pwm_led_pin[3]);
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while (1) {
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for(i=0; i<8; i++){
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pwmout_period(&pwm_led[3], period[i]);
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pwmout_pulsewidth(&pwm_led[3], period[i]/2);
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Mdelay(1000);
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}
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// wait_ms(20);
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// RtlMsleepOS(25);
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pwm_delay();
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}
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}
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