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boards: mbed_lpc1768: adapt to gpio driver.

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This commit is contained in:
Bas Stottelaar 2018-04-03 13:29:57 +02:00
parent 6be31d1faa
commit c99c07aeb2
5 changed files with 98 additions and 43 deletions
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3
boards/mbed_lpc1768/Makefile.dep Normal file
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@ -0,0 +1,3 @@
ifneq (,$(filter saul_default,$(USEMODULE)))
USEMODULE += saul_gpio
endif

1
boards/mbed_lpc1768/Makefile.features
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@ -1,4 +1,5 @@
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_gpio
FEATURES_PROVIDED += periph_timer
FEATURES_PROVIDED += periph_uart

41
boards/mbed_lpc1768/board.c
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@ -14,15 +14,33 @@
* @brief Board specific implementations for the mbed LPC1768 board
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Bas Stottelaar <basstottelaar@gmail.com>
*
* @}
*/
#include "board.h"
static void leds_init(void);
#include "periph/gpio.h"
extern void SystemInit(void);
/**
* @brief Initialize the on-board LEDs.
*/
static void leds_init(void)
{
gpio_init(LED0_PIN, GPIO_OUT);
gpio_init(LED1_PIN, GPIO_OUT);
gpio_init(LED2_PIN, GPIO_OUT);
gpio_init(LED3_PIN, GPIO_OUT);
LED0_OFF;
LED1_OFF;
LED2_OFF;
LED3_OFF;
}
void board_init(void)
{
/* initialize core clocks via CMSIS function */
@ -32,24 +50,3 @@ void board_init(void)
/* initialize the boards LEDs */
leds_init();
}
/**
* @brief Initialize the boards on-board LEDs (LED1 to LED4)
*
* The LED initialization is hard-coded in this function. As the LEDs are soldered
* onto the board they are fixed to their CPU pins.
*
* The LEDs are connected to the following pins:
* - LED1: P1.18
* - LED2: P1.20
* - LED3: P1.21
* - LED4: P1.23
*/
static void leds_init(void)
{
/* configure LED pins as output */
LED_PORT->FIODIR |= (LED0_MASK | LED1_MASK | LED2_MASK | LED3_MASK);
/* clear all LEDs */
LED_PORT->FIOCLR = (LED0_MASK | LED1_MASK | LED2_MASK | LED3_MASK);
}

35
boards/mbed_lpc1768/include/board.h
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@ -23,10 +23,9 @@
#ifndef BOARD_H
#define BOARD_H
#include <stdint.h>
#include "bitarithm.h"
#include "cpu.h"
#include "periph_conf.h"
#include "periph/gpio.h"
#ifdef __cplusplus
extern "C" {
@ -41,24 +40,18 @@ extern "C" {
#define LED2_PIN GPIO_PIN(1, 21)
#define LED3_PIN GPIO_PIN(1, 23)
#define LED_PORT (LPC_GPIO1)
#define LED0_MASK (BIT18)
#define LED1_MASK (BIT20)
#define LED2_MASK (BIT21)
#define LED3_MASK (BIT23)
#define LED0_ON (LED_PORT->FIOSET = LED0_MASK)
#define LED0_OFF (LED_PORT->FIOCLR = LED0_MASK)
#define LED0_TOGGLE (LED_PORT->FIOPIN ^= LED0_MASK)
#define LED1_ON (LED_PORT->FIOSET = LED1_MASK)
#define LED1_OFF (LED_PORT->FIOCLR = LED1_MASK)
#define LED1_TOGGLE (LED_PORT->FIOPIN ^= LED1_MASK)
#define LED2_ON (LED_PORT->FIOSET = LED2_MASK)
#define LED2_OFF (LED_PORT->FIOCLR = LED2_MASK)
#define LED2_TOGGLE (LED_PORT->FIOPIN ^= LED2_MASK)
#define LED3_ON (LED_PORT->FIOSET = LED3_MASK)
#define LED3_OFF (LED_PORT->FIOCLR = LED3_MASK)
#define LED3_TOGGLE (LED_PORT->FIOPIN ^= LED3_MASK)
#define LED0_ON gpio_set(LED0_PIN)
#define LED0_OFF gpio_clear(LED0_PIN)
#define LED0_TOGGLE gpio_toggle(LED0_PIN)
#define LED1_ON gpio_set(LED1_PIN)
#define LED1_OFF gpio_clear(LED1_PIN)
#define LED1_TOGGLE gpio_toggle(LED1_PIN)
#define LED2_ON gpio_set(LED2_PIN)
#define LED2_OFF gpio_clear(LED2_PIN)
#define LED2_TOGGLE gpio_toggle(LED2_PIN)
#define LED3_ON gpio_set(LED3_PIN)
#define LED3_OFF gpio_clear(LED3_PIN)
#define LED3_TOGGLE gpio_toggle(LED3_PIN)
/** @} */
/**

61
boards/mbed_lpc1768/include/gpio_params.h Normal file
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@ -0,0 +1,61 @@
/*
* Copyright (C) 2017 Bas Stottelaar <basstottelaar@gmail.com>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup boards_mbed_lpc1768
* @{
*
* @file
* @brief Board specific configuration of direct mapped GPIOs
*
* @author Bas Stottelaar <basstottelaar@gmail.com>
*/
#ifndef GPIO_PARAMS_H
#define GPIO_PARAMS_H
#include "board.h"
#include "saul/periph.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief GPIO pin configuration
*/
static const saul_gpio_params_t saul_gpio_params[] =
{
{
.name = "LED 0",
.pin = LED0_PIN,
.mode = GPIO_OUT
},
{
.name = "LED 1",
.pin = LED1_PIN,
.mode = GPIO_OUT
},
{
.name = "LED 2",
.pin = LED2_PIN,
.mode = GPIO_OUT
},
{
.name = "LED 3",
.pin = LED3_PIN,
.mode = GPIO_OUT
}
};
#ifdef __cplusplus
}
#endif
#endif /* GPIO_PARAMS_H */
/** @} */