/*
 * Copyright (C) 2014 Freie Universität Berlin
 * Copyright (C) 2015 PHYTEC Messtechnik GmbH
 *
 * 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
 * @name        Peripheral MCU configuration for the FRDM-K64F
 *
 * @author      Johann Fischer <j.fischer@phytec.de>
 */

#ifndef PERIPH_CONF_H
#define PERIPH_CONF_H

#include "periph_cpu.h"

#ifdef __cplusplus
extern "C"
{
#endif

/**
 * @name Clock system configuration
 * @{
 */
static const clock_config_t clock_config = {
    /*
     * This configuration results in the system running from the PLL output with
     * the following clock frequencies:
     * Core:  60 MHz
     * Bus:   60 MHz
     * Flex:  20 MHz
     * Flash: 20 MHz
     */
    .clkdiv1 = SIM_CLKDIV1_OUTDIV1(0) | SIM_CLKDIV1_OUTDIV2(0) |
               SIM_CLKDIV1_OUTDIV3(2) | SIM_CLKDIV1_OUTDIV4(2),
    .rtc_clc = 0, /* External load caps on board */
    .osc32ksel = SIM_SOPT1_OSC32KSEL(2),
    .clock_flags =
        /* No OSC0_EN, use EXTAL directly without OSC0 */
        KINETIS_CLOCK_RTCOSC_EN |
        KINETIS_CLOCK_USE_FAST_IRC |
        0,
    .default_mode = KINETIS_MCG_MODE_PEE,
    /* The board has an external RMII (Ethernet) clock which drives the ERC at 50 MHz */
    .erc_range = KINETIS_MCG_ERC_RANGE_VERY_HIGH,
    .osc_clc = 0, /* External load caps on board */
    .oscsel = MCG_C7_OSCSEL(0), /* Use EXTAL for external clock */
    .fcrdiv = MCG_SC_FCRDIV(0), /* Fast IRC divide by 1 => 4 MHz */
    .fll_frdiv = MCG_C1_FRDIV(0b111), /* Divide by 1536 => FLL input 32252 Hz */
    .fll_factor_fei = KINETIS_MCG_FLL_FACTOR_1464, /* FLL freq = 48 MHz  */
    .fll_factor_fee = KINETIS_MCG_FLL_FACTOR_1920, /* FLL freq = 62.5 MHz */
    .pll_prdiv = MCG_C5_PRDIV0(0b10011), /* Divide by 20 */
    .pll_vdiv  = MCG_C6_VDIV0(0b00000), /* Multiply by 24 => PLL freq = 60 MHz */
};
#define CLOCK_CORECLOCK              (60000000ul)
#define CLOCK_BUSCLOCK               (CLOCK_CORECLOCK / 1)
/** @} */

/**
 * @name Timer configuration
 * @{
 */
#define PIT_NUMOF               (2U)
#define PIT_CONFIG {            \
        {                       \
            .prescaler_ch = 0,  \
            .count_ch = 1,      \
        },                      \
        {                       \
            .prescaler_ch = 2,  \
            .count_ch = 3,      \
        },                      \
    }
#define LPTMR_NUMOF             (1U)
#define LPTMR_CONFIG {          \
    {                           \
        .dev = LPTMR0,          \
        .irqn = LPTMR0_IRQn,    \
        .src = 2,               \
        .base_freq = 32768u,    \
    },                          \
}
#define TIMER_NUMOF             ((PIT_NUMOF) + (LPTMR_NUMOF))

#define PIT_BASECLOCK           (CLOCK_BUSCLOCK)
#define PIT_ISR_0               isr_pit1
#define PIT_ISR_1               isr_pit3
#define LPTMR_ISR_0             isr_lptmr0
/** @} */

/**
* @name UART configuration
* @{
*/
static const uart_conf_t uart_config[] = {
    {
        .dev    = UART0,
        .freq   = CLOCK_CORECLOCK,
        .pin_rx = GPIO_PIN(PORT_B, 16),
        .pin_tx = GPIO_PIN(PORT_B, 17),
        .pcr_rx = PORT_PCR_MUX(3),
        .pcr_tx = PORT_PCR_MUX(3),
        .irqn   = UART0_RX_TX_IRQn,
        .scgc_addr = &SIM->SCGC4,
        .scgc_bit = SIM_SCGC4_UART0_SHIFT,
        .mode   = UART_MODE_8N1,
        .type   = KINETIS_UART,
    },
};

#define UART_0_ISR          (isr_uart0_rx_tx)

#define UART_NUMOF          ARRAY_SIZE(uart_config)
/** @} */

/**
 * @name    ADC configuration
 * @{
 */
static const adc_conf_t adc_config[] = {
    [ 0] = { .dev = ADC0, .pin = GPIO_PIN(PORT_B,  2), .chan = 12, .avg = ADC_AVG_MAX }, /* PTB2 (Arduino A0) */
    [ 1] = { .dev = ADC0, .pin = GPIO_PIN(PORT_B,  3), .chan = 13, .avg = ADC_AVG_MAX }, /* PTB3 (Arduino A1) */
    [ 2] = { .dev = ADC1, .pin = GPIO_PIN(PORT_B, 10), .chan = 14, .avg = ADC_AVG_MAX }, /* PTB10 (Arduino A2) */
    [ 3] = { .dev = ADC1, .pin = GPIO_PIN(PORT_B, 11), .chan = 15, .avg = ADC_AVG_MAX }, /* PTB11 (Arduino A3) */
    [ 4] = { .dev = ADC1, .pin = GPIO_PIN(PORT_C, 11), .chan =  7, .avg = ADC_AVG_MAX }, /* PTC11 (Arduino A4) */
    [ 5] = { .dev = ADC1, .pin = GPIO_PIN(PORT_C, 10), .chan =  6, .avg = ADC_AVG_MAX }, /* PTC10 (Arduino A5) */
    [ 6] = { .dev = ADC0, .pin = GPIO_UNDEF          , .chan =  0, .avg = ADC_AVG_MAX }, /* ADC0_DP0 */
    [ 7] = { .dev = ADC0, .pin = GPIO_UNDEF          , .chan = 19, .avg = ADC_AVG_MAX }, /* ADC0_DM0 */
    [ 8] = { .dev = ADC0, .pin = GPIO_UNDEF          , .chan = (0 | ADC_SC1_DIFF_MASK), .avg = ADC_AVG_MAX }, /* ADC0_DP0 - ADC0_DM0 */
    [ 9] = { .dev = ADC1, .pin = GPIO_UNDEF          , .chan =  0, .avg = ADC_AVG_MAX }, /* ADC1_DP0 */
    [10] = { .dev = ADC1, .pin = GPIO_UNDEF          , .chan = 19, .avg = ADC_AVG_MAX }, /* ADC1_DM0 */
    [11] = { .dev = ADC1, .pin = GPIO_UNDEF          , .chan = (0 | ADC_SC1_DIFF_MASK), .avg = ADC_AVG_MAX }, /* ADC1_DP0 - ADC1_DM0 */
    [12] = { .dev = ADC0, .pin = GPIO_UNDEF          , .chan =  1, .avg = ADC_AVG_MAX }, /* ADC0_DP1 */
    [13] = { .dev = ADC0, .pin = GPIO_UNDEF          , .chan = 20, .avg = ADC_AVG_MAX }, /* ADC0_DM1 */
    [14] = { .dev = ADC0, .pin = GPIO_UNDEF          , .chan = (1 | ADC_SC1_DIFF_MASK), .avg = ADC_AVG_MAX }, /* ADC0_DP1 - ADC0_DM1 */
    [15] = { .dev = ADC1, .pin = GPIO_UNDEF          , .chan =  1, .avg = ADC_AVG_MAX }, /* ADC1_DP1 */
    [16] = { .dev = ADC1, .pin = GPIO_UNDEF          , .chan = 20, .avg = ADC_AVG_MAX }, /* ADC1_DM1 */
    [17] = { .dev = ADC1, .pin = GPIO_UNDEF          , .chan = (1 | ADC_SC1_DIFF_MASK), .avg = ADC_AVG_MAX }, /* ADC1_DP1 - ADC1_DM1 */
    /* internal: temperature sensor */
    /* The temperature sensor has a very high output impedance, it must not be
     * sampled using hardware averaging, or the sampled values will be garbage */
    [18] = { .dev = ADC0, .pin = GPIO_UNDEF, .chan = 26, .avg = ADC_AVG_NONE },
    /* internal: band gap */
    /* Note: the band gap buffer uses a bit of current and is turned off by default,
     * Set PMC->REGSC |= PMC_REGSC_BGBE_MASK before reading or the input will be floating */
    [19] = { .dev = ADC0, .pin = GPIO_UNDEF, .chan = 27, .avg = ADC_AVG_MAX },
};

#define ADC_NUMOF           ARRAY_SIZE(adc_config)
/*
 * K64F ADC reference settings:
 * 0: VREFH/VREFL external pin pair
 * 1: VREF_OUT internal 1.2 V reference (VREF module must be enabled)
 * 2-3: reserved
 */
#define ADC_REF_SETTING     0
/** @} */

/**
 * @name    PWM configuration
 * @{
 */
static const pwm_conf_t pwm_config[] = {
    {
        .ftm        = FTM0,
        .chan       = {
            { .pin = GPIO_PIN(PORT_A, 4), .af = 3, .ftm_chan = 6 },
            { .pin = GPIO_PIN(PORT_A, 2), .af = 3, .ftm_chan = 7 },
            { .pin = GPIO_PIN(PORT_C, 2), .af = 4, .ftm_chan = 1 },
            { .pin = GPIO_PIN(PORT_C, 3), .af = 4, .ftm_chan = 2 }
        },
        .chan_numof = 4,
        .ftm_num    = 0
    }
};

#define PWM_NUMOF           ARRAY_SIZE(pwm_config)
/** @} */


/**
 * @name   SPI configuration
 *
 * Clock configuration values based on the configured 30Mhz module clock.
 *
 * Auto-generated by:
 * cpu/kinetis/dist/calc_spi_scalers/calc_spi_scalers.c
 *
* @{
*/
static const uint32_t spi_clk_config[] = {
    (
        SPI_CTAR_PBR(2) | SPI_CTAR_BR(6) |          /* -> 93750Hz */
        SPI_CTAR_PCSSCK(2) | SPI_CTAR_CSSCK(5) |
        SPI_CTAR_PASC(2) | SPI_CTAR_ASC(5) |
        SPI_CTAR_PDT(2) | SPI_CTAR_DT(5)
    ),
    (
        SPI_CTAR_PBR(2) | SPI_CTAR_BR(4) |          /* -> 375000Hz */
        SPI_CTAR_PCSSCK(2) | SPI_CTAR_CSSCK(3) |
        SPI_CTAR_PASC(2) | SPI_CTAR_ASC(3) |
        SPI_CTAR_PDT(2) | SPI_CTAR_DT(3)
    ),
    (
        SPI_CTAR_PBR(2) | SPI_CTAR_BR(2) |          /* -> 1000000Hz */
        SPI_CTAR_PCSSCK(0) | SPI_CTAR_CSSCK(4) |
        SPI_CTAR_PASC(0) | SPI_CTAR_ASC(4) |
        SPI_CTAR_PDT(0) | SPI_CTAR_DT(4)
    ),
    (
        SPI_CTAR_PBR(1) | SPI_CTAR_BR(0) |          /* -> 5000000Hz */
        SPI_CTAR_PCSSCK(1) | SPI_CTAR_CSSCK(0) |
        SPI_CTAR_PASC(1) | SPI_CTAR_ASC(0) |
        SPI_CTAR_PDT(1) | SPI_CTAR_DT(0)
    ),
    (
        SPI_CTAR_PBR(0) | SPI_CTAR_BR(0) |          /* -> 7500000Hz */
        SPI_CTAR_PCSSCK(0) | SPI_CTAR_CSSCK(1) |
        SPI_CTAR_PASC(0) | SPI_CTAR_ASC(1) |
        SPI_CTAR_PDT(0) | SPI_CTAR_DT(1)
    )
};

static const spi_conf_t spi_config[] = {
    {
        .dev      = SPI0,
        .pin_miso = GPIO_PIN(PORT_D, 3),
        .pin_mosi = GPIO_PIN(PORT_D, 2),
        .pin_clk  = GPIO_PIN(PORT_D, 1),
        .pin_cs   = {
            GPIO_PIN(PORT_D, 0),
            GPIO_UNDEF,
            GPIO_UNDEF,
            GPIO_UNDEF,
            GPIO_UNDEF
        },
        .pcr      = GPIO_AF_2,
        .simmask  = SIM_SCGC6_SPI0_MASK
    }
};

#define SPI_NUMOF           ARRAY_SIZE(spi_config)
/** @} */


/**
* @name I2C configuration
* @{
*/
static const i2c_conf_t i2c_config[] = {
    {
        .i2c = I2C0,
        .scl_pin = GPIO_PIN(PORT_E, 24),
        .sda_pin = GPIO_PIN(PORT_E, 25),
        .freq = CLOCK_BUSCLOCK,
        .speed = I2C_SPEED_FAST,
        .irqn = I2C0_IRQn,
        .scl_pcr = (PORT_PCR_MUX(5) | PORT_PCR_ODE_MASK),
        .sda_pcr = (PORT_PCR_MUX(5) | PORT_PCR_ODE_MASK),
    },
};
#define I2C_NUMOF           ARRAY_SIZE(i2c_config)
#define I2C_0_ISR           (isr_i2c0)
#define I2C_1_ISR           (isr_i2c1)
/** @} */

#ifdef __cplusplus
}
#endif

#endif /* PERIPH_CONF_H */
/** @} */
