boards/frdm-k22f: Add NXP FRDM-K22F development board

boards/frdm-common/Makefile.include

@@ -1,5 +1,6 @@
 # set default port depending on operating system
 PORT_LINUX ?= /dev/ttyACM0
+PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.usbmodem*)))
 
 export FFLAGS = flash-elf
 

boards/frdm-k22f/Makefile

@@ -0,0 +1,3 @@
+MODULE = board
+
+include $(RIOTBASE)/Makefile.base

boards/frdm-k22f/Makefile.dep

@@ -0,0 +1,4 @@
+ifneq (,$(filter saul_default,$(USEMODULE)))
+  USEMODULE += saul_gpio
+  USEMODULE += saul_adc
+endif

boards/frdm-k22f/Makefile.features

@@ -0,0 +1,18 @@
+# Put defined MCU peripherals here (in alphabetical order)
+FEATURES_PROVIDED += periph_adc
+FEATURES_PROVIDED += periph_cpuid
+FEATURES_PROVIDED += periph_gpio
+FEATURES_PROVIDED += periph_hwrng
+FEATURES_PROVIDED += periph_i2c
+FEATURES_PROVIDED += periph_pwm
+FEATURES_PROVIDED += periph_rtc
+FEATURES_PROVIDED += periph_rtt
+FEATURES_PROVIDED += periph_spi
+FEATURES_PROVIDED += periph_timer
+FEATURES_PROVIDED += periph_uart
+
+# Various other features (if any)
+FEATURES_PROVIDED += cpp
+
+# The board MPU family (used for grouping by the CI system)
+FEATURES_MCU_GROUP = cortex_m4_1

boards/frdm-k22f/Makefile.include

@@ -0,0 +1,6 @@
+# define the cpu used by the board
+export CPU = k22f
+export CPU_MODEL = mk22fn512vlh12
+
+# Include default FRDM board config
+include $(RIOTBOARD)/frdm-common/Makefile.include

boards/frdm-k22f/board.c

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2014 Freie Universität Berlin
+ * Copyright (C) 2014 PHYTEC Messtechnik GmbH
+ * Copyright (C) 2017 Eistec AB
+ *
+ * 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_frdm-k64f
+ * @{
+ *
+ * @file
+ * @brief       Board specific implementations for the FRDM-K22F
+ *
+ * @author      Joakim Nohlgård <[email protected]>
+ *
+ * @}
+ */
+
+#include <stdint.h>
+#include "board.h"
+#include "mcg.h"
+#include "periph/gpio.h"
+
+#define SIM_CLKDIV1_48MHZ      (SIM_CLKDIV1_OUTDIV1(0) | \
+                                SIM_CLKDIV1_OUTDIV2(1) | \
+                                SIM_CLKDIV1_OUTDIV3(1) | \
+                                SIM_CLKDIV1_OUTDIV4(1))
+
+static void cpu_clock_init(void);
+
+void board_init(void)
+{
+    /* initialize the clock system */
+    cpu_clock_init();
+    /* initialize the CPU core */
+    cpu_init();
+
+    /* initialize and turn off the on-board RGB-LED */
+    gpio_init(LED0_PIN, GPIO_OUT);
+    gpio_init(LED1_PIN, GPIO_OUT);
+    gpio_init(LED2_PIN, GPIO_OUT);
+    gpio_set(LED0_PIN);
+    gpio_set(LED1_PIN);
+    gpio_set(LED2_PIN);
+}
+
+/**
+ * @brief Configure the controllers clock system
+ *
+ * | Clock name | Run mode frequency (max) | VLPR mode frequency (max) |
+ *
+ * | Core       | 120 MHz                  |   4 MHz                   |
+ * | System     | 120 MHz                  |   4 MHz                   |
+ * | Bus        |  60 MHz                  |   4 MHz                   |
+ * | FlexBus    |  30 MHz                  | 800 kHz                   |
+ * | Flash      |  26.67 MHz               |   4 MHz                   |
+ */
+static void cpu_clock_init(void)
+{
+    /* setup system prescalers */
+    SIM->CLKDIV1 = (uint32_t)SIM_CLKDIV1_48MHZ;
+
+    kinetis_mcg_set_mode(KINETIS_MCG_PEE);
+}

boards/frdm-k22f/include/adc_params.h

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2017 Eistec AB
+ *
+ * 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_frdm-k22f
+ * @{
+ *
+ * @file
+ * @brief     Board specific configuration of direct mapped ADC
+ *
+ * @author    Joakim Nohlgård <[email protected]>
+ */
+
+#ifndef ADC_PARAMS_H
+#define ADC_PARAMS_H
+
+#include "board.h"
+#include "saul/periph.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief    ADC configuration
+ */
+static const  saul_adc_params_t saul_adc_params[] =
+{
+    {
+        .name = "ADC0_DP",
+        .line = ADC_LINE(0),
+        .res  = ADC_RES_16BIT,
+    },
+    {
+        .name = "ADC0_DM",
+        .line = ADC_LINE(1),
+        .res  = ADC_RES_16BIT,
+    },
+    {
+        .name = "ADC1_DP",
+        .line = ADC_LINE(2),
+        .res  = ADC_RES_16BIT,
+    },
+    {
+        .name = "ADC1_DM",
+        .line = ADC_LINE(3),
+        .res  = ADC_RES_16BIT,
+    },
+    {
+        .name = "A0",
+        .line = ADC_LINE(4),
+        .res  = ADC_RES_16BIT,
+    },
+    {
+        .name = "A1",
+        .line = ADC_LINE(5),
+        .res  = ADC_RES_16BIT,
+    },
+    {
+        .name = "A2",
+        .line = ADC_LINE(6),
+        .res  = ADC_RES_16BIT,
+    },
+    {
+        .name = "A3",
+        .line = ADC_LINE(7),
+        .res  = ADC_RES_16BIT,
+    },
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ADC_PARAMS_H */
+/** @} */

boards/frdm-k22f/include/board.h

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2017 Eistec AB
+ *
+ * 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.
+ */
+
+/**
+ * @defgroup    boards_frdm-k22f NXP FRDM-K22F Board
+ * @ingroup     boards
+ * @brief       Board specific implementations for the FRDM-K22F
+ * @{
+ *
+ * @file
+ * @brief       Board specific definitions for the FRDM-K22F
+ *
+ * @author      Joakim Nohlgård <[email protected]>
+ */
+
+#ifndef BOARD_H
+#define BOARD_H
+
+#include "cpu.h"
+#include "periph_conf.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**
+ * @name    LED pin definitions and handlers
+ * @{
+ */
+#define LED0_PIN            GPIO_PIN(PORT_A,  1)
+#define LED1_PIN            GPIO_PIN(PORT_A,  2)
+#define LED2_PIN            GPIO_PIN(PORT_D,  5)
+
+#define LED0_MASK           (1 <<  1)
+#define LED1_MASK           (1 <<  2)
+#define LED2_MASK           (1 <<  5)
+
+#define LED0_ON            (GPIOB->PCOR = LED0_MASK)
+#define LED0_OFF           (GPIOB->PSOR = LED0_MASK)
+#define LED0_TOGGLE        (GPIOB->PTOR = LED0_MASK)
+
+#define LED1_ON            (GPIOE->PCOR = LED1_MASK)
+#define LED1_OFF           (GPIOE->PSOR = LED1_MASK)
+#define LED1_TOGGLE        (GPIOE->PTOR = LED1_MASK)
+
+#define LED2_ON            (GPIOB->PCOR = LED2_MASK)
+#define LED2_OFF           (GPIOB->PSOR = LED2_MASK)
+#define LED2_TOGGLE        (GPIOB->PTOR = LED2_MASK)
+/** @} */
+
+/**
+ * @brief   Initialize board specific hardware, including clock, LEDs and std-IO
+ */
+void board_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BOARD_H */
+/** @} */

boards/frdm-k22f/include/gpio_params.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2017 Eistec AB
+ *
+ * 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_frdm_k22f
+ * @{
+ *
+ * @file
+ * @brief     Board specific configuration of direct mapped GPIOs
+ *
+ * @author    Joakim Nohlgård <[email protected]>
+ */
+
+#ifndef GPIO_PARAMS_H
+#define GPIO_PARAMS_H
+
+#include "board.h"
+#include "saul/periph.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief    LED configuration
+ */
+static const  saul_gpio_params_t saul_gpio_params[] =
+{
+    {
+        .name = "LED(red)",
+        .pin = LED0_PIN,
+        .mode = GPIO_OUT
+    },
+    {
+        .name = "LED(green)",
+        .pin = LED1_PIN,
+        .mode = GPIO_OUT
+    },
+    {
+        .name = "LED(blue)",
+        .pin = LED2_PIN,
+        .mode = GPIO_OUT
+    },
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GPIO_PARAMS_H */
+/** @} */