/* * File : led.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2009, RT-Thread Development Team * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rt-thread.org/license/LICENSE * * Change Logs: * Date Author Notes * 2013-07-11 reynolds port to TWR-K60F120M */ #include #include "led.h" const rt_uint32_t led_mask[] = { 1 << 11, 1 << 28, 1 << 29, 1 << 10 }; void rt_hw_led_init(void) { SIM->SCGC5 |= (1UL << 9); //Enable Port A Clock PORTA->PCR[10] = (1UL << 8); //PTA10 is GPIO pin PORTA->PCR[11] = (1UL << 8); //PTA11 is GPIO pin PORTA->PCR[28] = (1UL << 8); //PTA28 is GPIO pin PORTA->PCR[29] = (1UL << 8); //PTA29 is GPIO pin /* Switch LEDs off and enable output*/ PTA->PDOR = (led_mask[3] | led_mask[2] | led_mask[1] | led_mask[0]); PTA->PDDR = (led_mask[3] | led_mask[2] | led_mask[1] | led_mask[0]); } void rt_hw_led_uninit(void) { PORTA->PCR[10] = 0; //PTA10 is at reset state PORTA->PCR[11] = 0; //PTA11 is at reset state PORTA->PCR[28] = 0; //PTA28 is at reset state PORTA->PCR[29] = 0; //PTA29 is at reset state } void rt_hw_led_on(rt_uint32_t n) { if (n < LED_MAX) { PTA->PCOR = led_mask[n]; } } void rt_hw_led_off(rt_uint32_t n) { if (n < LED_MAX) { PTA->PSOR = led_mask[n]; } }