75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
|
/*
|
||
|
|
* 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
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <MK64F12.H>
|
||
|
|
#include "led.h"
|
||
|
|
|
||
|
|
const rt_uint32_t led_mask[] = {1 << 21, 1 << 22, 1 << 26};
|
||
|
|
|
||
|
|
void rt_hw_led_init(void)
|
||
|
|
{
|
||
|
|
SIM_SCGC5 |= (1 << SIM_SCGC5_PORTB_SHIFT);
|
||
|
|
SIM_SCGC5 |= (1 << SIM_SCGC5_PORTE_SHIFT);
|
||
|
|
|
||
|
|
PORTB->PCR[21] &= ~PORT_PCR_MUX_MASK;
|
||
|
|
PORTB->PCR[21] |= PORT_PCR_MUX(1); //PTB21 is GPIO pin
|
||
|
|
|
||
|
|
PORTB->PCR[22] &= ~PORT_PCR_MUX_MASK;
|
||
|
|
PORTB->PCR[22] |= PORT_PCR_MUX(1); //PTB22 is GPIO pin
|
||
|
|
|
||
|
|
PORTE->PCR[26] &= ~PORT_PCR_MUX_MASK;
|
||
|
|
PORTE->PCR[26] |= PORT_PCR_MUX(1); //PTE26 is GPIO pin
|
||
|
|
|
||
|
|
/* Switch LEDs off and enable output*/
|
||
|
|
PTB->PDDR |= GPIO_PDDR_PDD(led_mask[1] | led_mask[0]);
|
||
|
|
PTE->PDDR |= GPIO_PDDR_PDD(led_mask[2]);
|
||
|
|
|
||
|
|
rt_hw_led_off(LED_RED);
|
||
|
|
rt_hw_led_off(LED_GREEN);
|
||
|
|
rt_hw_led_off(LED_BLUE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void rt_hw_led_uninit(void)
|
||
|
|
{
|
||
|
|
PORTB->PCR[21] &= ~PORT_PCR_MUX_MASK;
|
||
|
|
|
||
|
|
PORTB->PCR[22] &= ~PORT_PCR_MUX_MASK;
|
||
|
|
|
||
|
|
PORTE->PCR[26] &= ~PORT_PCR_MUX_MASK;
|
||
|
|
}
|
||
|
|
|
||
|
|
void rt_hw_led_on(rt_uint32_t n)
|
||
|
|
{
|
||
|
|
if (n != LED_GREEN)
|
||
|
|
{
|
||
|
|
PTB->PCOR |= led_mask[n];
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
PTE->PCOR |= led_mask[n];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void rt_hw_led_off(rt_uint32_t n)
|
||
|
|
{
|
||
|
|
if (n != LED_GREEN)
|
||
|
|
{
|
||
|
|
PTB->PSOR |= led_mask[n];
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
PTE->PSOR |= led_mask[n];
|
||
|
|
}
|
||
|
|
}
|