a752c7ab
 elopes
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/*
* 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
* @name Peripheral MCU configuration for the FRDM-K22F
*
* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
*/
#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 FLL output with
* the following clock frequencies:
* Core: 60 MHz
* Bus: 30 MHz
* Flex: 20 MHz
* Flash: 20 MHz
*/
.clkdiv1 = SIM_CLKDIV1_OUTDIV1(0) | SIM_CLKDIV1_OUTDIV2(1) |
SIM_CLKDIV1_OUTDIV3(2) | SIM_CLKDIV1_OUTDIV4(2),
.default_mode = KINETIS_MCG_MODE_FEE,
/* The crystal connected to OSC0 is 8 MHz */
.erc_range = KINETIS_MCG_ERC_RANGE_HIGH,
.fcrdiv = 0, /* Fast IRC divide by 1 => 4 MHz */
.oscsel = 0, /* Use OSC0 for external clock */
.clc = 0, /* External load caps on the FRDM-K22F board */
.fll_frdiv = 0b011, /* Divide by 256 */
.fll_factor_fei = KINETIS_MCG_FLL_FACTOR_1464, /* FLL freq = 48 MHz */
.fll_factor_fee = KINETIS_MCG_FLL_FACTOR_1920, /* FLL freq = 60 MHz */
.pll_prdiv = 0b00011, /* Divide by 4 */
.pll_vdiv = 0b00110, /* Multiply by 30 => PLL freq = 60 MHz */
.enable_oscillator = true,
.select_fast_irc = true,
.enable_mcgirclk = false,
};
#define CLOCK_CORECLOCK (60000000ul)
#define CLOCK_BUSCLOCK (CLOCK_CORECLOCK / 2)
/** @} */
/**
* @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, \
} \
}
#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 = UART1,
.freq = CLOCK_CORECLOCK,
.pin_rx = GPIO_PIN(PORT_E, 1),
.pin_tx = GPIO_PIN(PORT_E, 0),
.pcr_rx = PORT_PCR_MUX(3),
.pcr_tx = PORT_PCR_MUX(3),
.irqn = UART1_RX_TX_IRQn,
.scgc_addr = &SIM->SCGC4,
.scgc_bit = SIM_SCGC4_UART1_SHIFT,
.mode = UART_MODE_8N1,
},
};
#define UART_0_ISR (isr_uart1_rx_tx)
#define UART_NUMOF (sizeof(uart_config) / sizeof(uart_config[0]))
/** @} */
/**
* @name ADC configuration
* @{
*/
static const adc_conf_t adc_config[] = {
/* dev, pin, channel */
{ .dev = ADC0, .pin = GPIO_UNDEF , .chan = 0 }, /* ADC0_DP0 */
{ .dev = ADC0, .pin = GPIO_UNDEF , .chan = 19 }, /* ADC0_DM0 */
{ .dev = ADC1, .pin = GPIO_UNDEF , .chan = 0 }, /* ADC1_DP0 */
{ .dev = ADC1, .pin = GPIO_UNDEF , .chan = 19 }, /* ADC1_DM0 */
{ .dev = ADC0, .pin = GPIO_PIN(PORT_B, 0), .chan = 8 }, /* PTB0 (Arduino A0) */
{ .dev = ADC0, .pin = GPIO_PIN(PORT_B, 1), .chan = 9 }, /* PTB1 (Arduino A1) */
{ .dev = ADC0, .pin = GPIO_PIN(PORT_C, 1), .chan = 15 }, /* PTC1 (Arduino A2) */
{ .dev = ADC0, .pin = GPIO_PIN(PORT_C, 2), .chan = 4 }, /* PTC2 (Arduino A3) */
};
#define ADC_NUMOF (sizeof(adc_config) / sizeof(adc_config[0]))
/** @} */
/**
* @name PWM configuration
* @{
*/
static const pwm_conf_t pwm_config[] = {
{
.ftm = FTM0,
.chan = {
{ .pin = GPIO_PIN(PORT_A, 1), .af = 3, .ftm_chan = 6 },
{ .pin = GPIO_PIN(PORT_A, 2), .af = 3, .ftm_chan = 7 },
{ .pin = GPIO_PIN(PORT_D, 5), .af = 4, .ftm_chan = 5 },
},
.chan_numof = 3,
.ftm_num = 0
}
};
#define PWM_NUMOF (sizeof(pwm_config) / sizeof(pwm_config[0]))
/** @} */
/**
* @name SPI configuration
*
* Clock configuration values based on the configured 48Mhz module clock.
*
* Auto-generated by:
* cpu/kinetis_common/dist/calc_spi_scalers/calc_spi_scalers.c
*
* @{
*/
static const uint32_t spi_clk_config[] = {
(
SPI_CTAR_PBR(0) | SPI_CTAR_BR(8) | /* -> 93750Hz */
SPI_CTAR_PCSSCK(0) | SPI_CTAR_CSSCK(8) |
SPI_CTAR_PASC(0) | SPI_CTAR_ASC(8) |
SPI_CTAR_PDT(0) | SPI_CTAR_DT(8)
),
(
SPI_CTAR_PBR(0) | SPI_CTAR_BR(6) | /* -> 375000Hz */
SPI_CTAR_PCSSCK(0) | SPI_CTAR_CSSCK(6) |
SPI_CTAR_PASC(0) | SPI_CTAR_ASC(6) |
SPI_CTAR_PDT(0) | SPI_CTAR_DT(6)
),
(
SPI_CTAR_PBR(1) | SPI_CTAR_BR(4) | /* -> 1000000Hz */
SPI_CTAR_PCSSCK(1) | SPI_CTAR_CSSCK(3) |
SPI_CTAR_PASC(1) | SPI_CTAR_ASC(3) |
SPI_CTAR_PDT(1) | SPI_CTAR_DT(3)
),
(
SPI_CTAR_PBR(2) | SPI_CTAR_BR(0) | /* -> 4800000Hz */
SPI_CTAR_PCSSCK(2) | SPI_CTAR_CSSCK(0) |
SPI_CTAR_PASC(2) | SPI_CTAR_ASC(0) |
SPI_CTAR_PDT(2) | SPI_CTAR_DT(0)
),
(
SPI_CTAR_PBR(1) | SPI_CTAR_BR(0) | /* -> 8000000Hz */
SPI_CTAR_PCSSCK(1) | SPI_CTAR_CSSCK(0) |
SPI_CTAR_PASC(1) | SPI_CTAR_ASC(0) |
SPI_CTAR_PDT(1) | SPI_CTAR_DT(0)
)
};
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_C, 4),
GPIO_PIN(PORT_D, 4),
GPIO_UNDEF,
GPIO_UNDEF,
GPIO_UNDEF
},
.pcr = GPIO_AF_2,
.simmask = SIM_SCGC6_SPI0_MASK
}
};
#define SPI_NUMOF (sizeof(spi_config) / sizeof(spi_config[0]))
/** @} */
/**
* @name I2C configuration
* @{
*/
#define I2C_NUMOF (1U)
#define I2C_0_EN 1
/* Low (10 kHz): MUL = 2, SCL divider = 1536, total: 3072 */
#define KINETIS_I2C_F_ICR_LOW (0x36)
#define KINETIS_I2C_F_MULT_LOW (1)
/* Normal (100 kHz): MUL = 2, SCL divider = 160, total: 320 */
#define KINETIS_I2C_F_ICR_NORMAL (0x1D)
#define KINETIS_I2C_F_MULT_NORMAL (1)
/* Fast (400 kHz): MUL = 1, SCL divider = 80, total: 80 */
#define KINETIS_I2C_F_ICR_FAST (0x14)
#define KINETIS_I2C_F_MULT_FAST (0)
/* Fast plus (1000 kHz): MUL = 1, SCL divider = 30, total: 30 */
#define KINETIS_I2C_F_ICR_FAST_PLUS (0x05)
#define KINETIS_I2C_F_MULT_FAST_PLUS (0)
/* I2C 0 device configuration */
#define I2C_0_DEV I2C0
#define I2C_0_CLKEN() (SIM->SCGC4 |= (SIM_SCGC4_I2C0_MASK))
#define I2C_0_CLKDIS() (SIM->SCGC4 &= ~(SIM_SCGC4_I2C0_MASK))
#define I2C_0_IRQ I2C0_IRQn
#define I2C_0_IRQ_HANDLER isr_i2c0
/* I2C 0 pin configuration */
#define I2C_0_PORT PORTB
#define I2C_0_PORT_CLKEN() (SIM->SCGC5 |= (SIM_SCGC5_PORTB_MASK))
#define I2C_0_PIN_AF 2
#define I2C_0_SDA_PIN 3
#define I2C_0_SCL_PIN 2
#define I2C_0_PORT_CFG (PORT_PCR_MUX(I2C_0_PIN_AF) | PORT_PCR_ODE_MASK)
/** @} */
/**
* @name RTT and RTC configuration
* @{
*/
#define RTT_NUMOF (1U)
#define RTC_NUMOF (1U)
#define RTT_DEV RTC
#define RTT_IRQ RTC_IRQn
#define RTT_IRQ_PRIO 10
#define RTT_UNLOCK() (SIM->SCGC6 |= (SIM_SCGC6_RTC_MASK))
#define RTT_ISR isr_rtc
#define RTT_FREQUENCY (1)
#define RTT_MAX_VALUE (0xffffffff)
/** @} */
/**
* @name Random Number Generator configuration
* @{
*/
#define KINETIS_RNGA RNG
#define HWRNG_CLKEN() (SIM->SCGC6 |= (1 << 9))
#define HWRNG_CLKDIS() (SIM->SCGC6 &= ~(1 << 9))
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* PERIPH_CONF_H */
/** @} */
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