board_hw_defs.c

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see <http://www.gnu.org/licenses/>
 */

#include <pios.h>
#include <pios_config.h>
#include <pios_board_info.h>

#if defined(PIOS_INCLUDE_ANNUNC)

#include <pios_annunc_priv.h>
static const struct pios_annunc pios_annuncs[] = {
        [PIOS_LED_ALARM] = {
                .pin = {
                        .gpio = GPIOB,
                        .init = {
                                .GPIO_Pin   = GPIO_Pin_3,
                                .GPIO_Speed = GPIO_Speed_50MHz,
                                .GPIO_Mode  = GPIO_Mode_OUT,
                                .GPIO_OType = GPIO_OType_PP,
                                .GPIO_PuPd  = GPIO_PuPd_NOPULL
                        },
                },
                .active_high = false,
        },
        [PIOS_ANNUNCIATOR_BUZZER] = {
                .pin = {
                        .gpio = GPIOC,
                        .init = {
                                .GPIO_Pin   = GPIO_Pin_15,
                                .GPIO_Speed = GPIO_Speed_50MHz,
                                .GPIO_Mode  = GPIO_Mode_OUT,
                                .GPIO_OType = GPIO_OType_PP,
                                .GPIO_PuPd  = GPIO_PuPd_NOPULL
                        },
                },
                .active_high = true,
        },
};

static const struct pios_annunc_cfg pios_annunc_cfg = {
        .annunciators     = pios_annuncs,
        .num_annunciators = NELEMENTS(pios_annuncs),
};

const struct pios_annunc_cfg * PIOS_BOARD_HW_DEFS_GetLedCfg (uint32_t board_revision)
{
        return &pios_annunc_cfg;
}

#endif  /* PIOS_INCLUDE_ANNUNC */

#if defined(PIOS_INCLUDE_I2C)

/* XXX I2C stuff is not correct / fudged */

#include <pios_i2c_priv.h>

/*
 * I2C Adapters
 */
void PIOS_I2C_internal_ev_irq_handler(void);
void PIOS_I2C_internal_er_irq_handler(void);
void I2C1_EV_EXTI23_IRQHandler() __attribute__ ((alias ("PIOS_I2C_internal_ev_irq_handler")));
void I2C1_ER_IRQHandler() __attribute__ ((alias ("PIOS_I2C_internal_er_irq_handler")));

static const struct pios_i2c_adapter_cfg pios_i2c_internal_cfg = {
        .regs = I2C1,
        .remap = GPIO_AF_4,
        .init = {
                .I2C_Mode                = I2C_Mode_I2C,
                .I2C_OwnAddress1         = 0,
                .I2C_Ack                 = I2C_Ack_Enable,
                .I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit,
                .I2C_DigitalFilter       = 0x00,
                .I2C_AnalogFilter        = I2C_AnalogFilter_Enable,
                .I2C_Timing              = 0x00310309,                  //400kHz I2C @ 8MHz input -> PRESC=0x0, SCLDEL=0x3, SDADEL=0x1, SCLH=0x03, SCLL=0x09
        },
        .transfer_timeout_ms = 50,
        .scl = {
                .gpio = GPIOB,
                .init = {
                        .GPIO_Pin = GPIO_Pin_6,
                        .GPIO_Mode  = GPIO_Mode_AF,
                        .GPIO_Speed = GPIO_Speed_50MHz,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd  = GPIO_PuPd_NOPULL,
                },
        .pin_source = GPIO_PinSource6,
        },
        .sda = {
                .gpio = GPIOB,
                .init = {
                        .GPIO_Pin = GPIO_Pin_7,
                        .GPIO_Mode  = GPIO_Mode_AF,
                        .GPIO_Speed = GPIO_Speed_50MHz,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd  = GPIO_PuPd_NOPULL,
                },
        .pin_source = GPIO_PinSource7,
        },
        .event = {
                .flags   = 0,           /* FIXME: check this */
                .init = {
                        .NVIC_IRQChannel = I2C1_EV_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGHEST,
                        .NVIC_IRQChannelSubPriority = 0,
                        .NVIC_IRQChannelCmd = ENABLE,
                },
        },
        .error = {
                .flags   = 0,           /* FIXME: check this */
                .init = {
                        .NVIC_IRQChannel = I2C1_ER_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGHEST,
                        .NVIC_IRQChannelSubPriority = 0,
                        .NVIC_IRQChannelCmd = ENABLE,
                },
        },
};

pios_i2c_t pios_i2c_internal_id;
void PIOS_I2C_internal_ev_irq_handler(void)
{
        /* Call into the generic code to handle the IRQ for this specific device */
        PIOS_I2C_EV_IRQ_Handler(pios_i2c_internal_id);
}

void PIOS_I2C_internal_er_irq_handler(void)
{
        /* Call into the generic code to handle the IRQ for this specific device */
        PIOS_I2C_ER_IRQ_Handler(pios_i2c_internal_id);
}

#endif /* PIOS_INCLUDE_I2C */

#if defined(PIOS_INCLUDE_SPI)
#include <pios_spi_priv.h>
/*
 * SPI1 Interface
 * Used for MPU9250 gyro, accelerometer and mag
 */
static const struct pios_spi_cfg pios_spi_gyro_cfg = {
        .regs = SPI1,
        .remap = GPIO_AF_5,
        .init = {
                .SPI_Mode              = SPI_Mode_Master,
                .SPI_Direction         = SPI_Direction_2Lines_FullDuplex,
                .SPI_DataSize          = SPI_DataSize_8b,
                .SPI_NSS               = SPI_NSS_Soft,
                .SPI_FirstBit          = SPI_FirstBit_MSB,
                .SPI_CRCPolynomial     = 7,
                .SPI_CPOL              = SPI_CPOL_Low,
                .SPI_CPHA              = SPI_CPHA_1Edge,
                .SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8,
        },
        .sclk = {
                .gpio = GPIOA,
                .init = {
                        .GPIO_Pin = GPIO_Pin_5,
                        .GPIO_Speed = GPIO_Speed_50MHz,
                        .GPIO_Mode = GPIO_Mode_AF,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd = GPIO_PuPd_NOPULL
                },
                .pin_source = GPIO_PinSource5,
        },
        .miso = {
                .gpio = GPIOA,
                .init = {
                        .GPIO_Pin = GPIO_Pin_6,
                        .GPIO_Speed = GPIO_Speed_50MHz,
                        .GPIO_Mode = GPIO_Mode_AF,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd = GPIO_PuPd_NOPULL
                },
                .pin_source = GPIO_PinSource4,
        },
        .mosi = {
                .gpio = GPIOA,
                .init = {
                        .GPIO_Pin = GPIO_Pin_7,
                        .GPIO_Speed = GPIO_Speed_50MHz,
                        .GPIO_Mode = GPIO_Mode_AF,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd = GPIO_PuPd_NOPULL
                },
                .pin_source = GPIO_PinSource5,
        },
        .slave_count = 2,
        .ssel = {
                {
                        /* Gyro */
                        .gpio = GPIOA,
                        .init = {
                                .GPIO_Pin = GPIO_Pin_4,
                                .GPIO_Speed = GPIO_Speed_50MHz,
                                .GPIO_Mode  = GPIO_Mode_OUT,
                                .GPIO_OType = GPIO_OType_PP,
                                .GPIO_PuPd = GPIO_PuPd_UP
                        }
                },
                /* MAX7456 */
                {
                        .gpio = GPIOB,
                        .init = {
                                .GPIO_Pin = GPIO_Pin_1,
                                .GPIO_Speed = GPIO_Speed_50MHz,
                                .GPIO_Mode  = GPIO_Mode_OUT,
                                .GPIO_OType = GPIO_OType_PP,
                                .GPIO_PuPd = GPIO_PuPd_UP
                        }
                },
        },
};
#endif

#if defined(PIOS_INCLUDE_FLASH)
#include "pios_flashfs_logfs_priv.h"

static const struct flashfs_logfs_cfg flashfs_internal_settings_cfg = {
        .fs_magic      = 0x9ae1ee11,
        .arena_size    = 0x00002000,       /* 32 * slot size = 8K bytes = 4 sectors */
        .slot_size     = 0x00000100,       /* 256 bytes */
};

#include "pios_flash_internal_priv.h"

static const struct pios_flash_internal_cfg flash_internal_cfg = {
};

#include "pios_flash_priv.h"

static const struct pios_flash_sector_range stm32f3_sectors[] = {
        {
                .base_sector = 0,
                .last_sector = 127,
                .sector_size = FLASH_SECTOR_2KB,
        },
};

uintptr_t pios_internal_flash_id;
static const struct pios_flash_chip pios_flash_chip_internal = {
        .driver        = &pios_internal_flash_driver,
        .chip_id       = &pios_internal_flash_id,
        .page_size     = 16, /* 128-bit rows */
        .sector_blocks = stm32f3_sectors,
        .num_blocks    = NELEMENTS(stm32f3_sectors),
};

static const struct pios_flash_partition pios_flash_partition_table[] = {
        {
                .label        = FLASH_PARTITION_LABEL_BL,
                .chip_desc    = &pios_flash_chip_internal,
                .first_sector = 0,
                .last_sector  = 7,
                .chip_offset  = 0,
                .size         = (7 - 0 + 1) * FLASH_SECTOR_2KB,
        },

        {
                .label        = FLASH_PARTITION_LABEL_SETTINGS,
                .chip_desc    = &pios_flash_chip_internal,
                .first_sector = 8,
                .last_sector  = 15,
                .chip_offset  = (8 * FLASH_SECTOR_2KB),
                .size         = (15 - 8 + 1) * FLASH_SECTOR_2KB,
        },

        {
                .label        = FLASH_PARTITION_LABEL_AUTOTUNE,
                .chip_desc    = &pios_flash_chip_internal,
                .first_sector = 16,
                .last_sector  = 23,
                .chip_offset  = (16 * FLASH_SECTOR_2KB),
                .size         = (23 - 16 + 1) * FLASH_SECTOR_2KB,
        },

        {
                .label        = FLASH_PARTITION_LABEL_FW,
                .chip_desc    = &pios_flash_chip_internal,
                .first_sector = 24,
                .last_sector  = 127,
                .chip_offset  = (24 * FLASH_SECTOR_2KB),
                .size         = (127 - 24 + 1) * FLASH_SECTOR_2KB,
        },
};

const struct pios_flash_partition * PIOS_BOARD_HW_DEFS_GetPartitionTable (uint32_t board_revision, uint32_t * num_partitions)
{
        PIOS_Assert(num_partitions);

        *num_partitions = NELEMENTS(pios_flash_partition_table);
        return pios_flash_partition_table;
}

#endif  /* PIOS_INCLUDE_FLASH */



#if defined(PIOS_INCLUDE_USART)

#include "pios_usart_priv.h"

#if defined(PIOS_INCLUDE_DSM)
/*
 * Spektrum/JR DSM USART
 */
#include <pios_dsm_priv.h>

static const struct pios_dsm_cfg pios_uart1_dsm_aux_cfg = {
        .bind = {
                .gpio = GPIOA,
                .init = {
                        .GPIO_Pin   = GPIO_Pin_10,
                        .GPIO_Speed = GPIO_Speed_2MHz,
                        .GPIO_Mode  = GPIO_Mode_OUT,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd  = GPIO_PuPd_NOPULL
                },
        },
};

static const struct pios_dsm_cfg pios_uart2_dsm_aux_cfg = {
        .bind = {
                .gpio = GPIOA,
                .init = {
                        .GPIO_Pin   = GPIO_Pin_15,
                        .GPIO_Speed = GPIO_Speed_2MHz,
                        .GPIO_Mode  = GPIO_Mode_OUT,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd  = GPIO_PuPd_NOPULL
                },
        },
};

static const struct pios_dsm_cfg pios_uart3_dsm_aux_cfg = {
        .bind = {
                .gpio = GPIOB,
                .init = {
                        .GPIO_Pin   = GPIO_Pin_11,
                        .GPIO_Speed = GPIO_Speed_2MHz,
                        .GPIO_Mode  = GPIO_Mode_OUT,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd  = GPIO_PuPd_NOPULL
                },
        },
};

#endif  /* PIOS_INCLUDE_DSM */

static const struct pios_usart_cfg pios_uart1_cfg = {
        .regs = USART1,
        .remap = GPIO_AF_7,
        .irq = {
                .init = {
                        .NVIC_IRQChannel                   = USART1_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGHEST,
                        .NVIC_IRQChannelSubPriority        = 0,
                        .NVIC_IRQChannelCmd                = ENABLE,
                  },
        },
        .rx = {
                .gpio = GPIOA,
                .init = {
                        .GPIO_Pin   = GPIO_Pin_10,
                        .GPIO_Speed = GPIO_Speed_2MHz,
                        .GPIO_Mode  = GPIO_Mode_AF,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd  = GPIO_PuPd_UP
                },
                .pin_source = GPIO_PinSource10,
        },
        .tx = {
                .gpio = GPIOA,
                .init = {
                        .GPIO_Pin   = GPIO_Pin_9,
                        .GPIO_Speed = GPIO_Speed_2MHz,
                        .GPIO_Mode  = GPIO_Mode_AF,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd  = GPIO_PuPd_DOWN
                },
                .pin_source = GPIO_PinSource9,
        },
};

static const struct pios_usart_cfg pios_uart2_cfg = {
        .regs = USART2,
        .remap = GPIO_AF_7,
        .irq = {
                .init = {
                        .NVIC_IRQChannel = USART2_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGHEST,
                        .NVIC_IRQChannelSubPriority = 0,
                        .NVIC_IRQChannelCmd = ENABLE,
                },
        },
        .rx = {
                .gpio = GPIOA,
                .init = {
                        .GPIO_Pin   = GPIO_Pin_15,
                        .GPIO_Speed = GPIO_Speed_2MHz,
                        .GPIO_Mode  = GPIO_Mode_AF,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd  = GPIO_PuPd_UP
                },
                .pin_source = GPIO_PinSource15,
        },
        .tx = {
                .gpio = GPIOA,
                .init = {
                        .GPIO_Pin   = GPIO_Pin_14,
                        .GPIO_Speed = GPIO_Speed_2MHz,
                        .GPIO_Mode  = GPIO_Mode_AF,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd  = GPIO_PuPd_DOWN
                },
                .pin_source = GPIO_PinSource14,
        },
};

static const struct pios_usart_cfg pios_uart3_cfg = {
        .regs = USART3,
        .remap = GPIO_AF_7,
        .irq = {
                .init = {
                        .NVIC_IRQChannel = USART3_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGHEST,
                        .NVIC_IRQChannelSubPriority = 0,
                        .NVIC_IRQChannelCmd = ENABLE,
                },
        },
        .rx = {
                .gpio = GPIOB,
                .init = {
                        .GPIO_Pin   = GPIO_Pin_11,
                        .GPIO_Speed = GPIO_Speed_2MHz,
                        .GPIO_Mode  = GPIO_Mode_AF,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd  = GPIO_PuPd_UP
                },
                .pin_source = GPIO_PinSource11,
        },
        .tx = {
                .gpio = GPIOB,
                .init = {
                        .GPIO_Pin   = GPIO_Pin_10,
                        .GPIO_Speed = GPIO_Speed_2MHz,
                        .GPIO_Mode  = GPIO_Mode_AF,
                        .GPIO_OType = GPIO_OType_PP,
                        .GPIO_PuPd  = GPIO_PuPd_DOWN
                },
                .pin_source = GPIO_PinSource10,
        },
};

#endif  /* PIOS_INCLUDE_USART */

#if defined(PIOS_INCLUDE_COM)

#include "pios_com_priv.h"

#endif  /* PIOS_INCLUDE_COM */

#if defined(PIOS_INCLUDE_RTC)
/*
 * Realtime Clock (RTC)
 */
#include <pios_rtc_priv.h>

void PIOS_RTC_IRQ_Handler (void);
void RTC_WKUP_IRQHandler() __attribute__ ((alias ("PIOS_RTC_IRQ_Handler")));
static const struct pios_rtc_cfg pios_rtc_main_cfg = {
        .clksrc = RCC_RTCCLKSource_HSE_Div32,
        .prescaler = 25 - 1, // 8MHz / 32 / 16 / 25 == 625Hz
        .irq = {
                .init = {
                        .NVIC_IRQChannel                   = RTC_WKUP_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_MID,
                        .NVIC_IRQChannelSubPriority        = 0,
                        .NVIC_IRQChannelCmd                = ENABLE,
                },
        },
};

void PIOS_RTC_IRQ_Handler (void)
{
        PIOS_RTC_irq_handler ();
}

#endif

#include "pios_tim_priv.h"

static const TIM_TimeBaseInitTypeDef tim_1_8_15_time_base = {
        .TIM_Prescaler = (PIOS_PERIPHERAL_APB2_CLOCK / 1000000) - 1,
        .TIM_ClockDivision = TIM_CKD_DIV1,
        .TIM_CounterMode = TIM_CounterMode_Up,
        .TIM_Period = ((1000000 / PIOS_SERVO_UPDATE_HZ) - 1),
        .TIM_RepetitionCounter = 0x0000,
};

static const TIM_TimeBaseInitTypeDef tim_2_3_time_base = {
        .TIM_Prescaler = (PIOS_PERIPHERAL_APB1_CLOCK / 1000000 * 2) - 1,
        .TIM_ClockDivision = TIM_CKD_DIV1,
        .TIM_CounterMode = TIM_CounterMode_Up,
        .TIM_Period = ((1000000 / PIOS_SERVO_UPDATE_HZ) - 1),
        .TIM_RepetitionCounter = 0x0000,
};

static const struct pios_tim_clock_cfg tim_2_cfg = {
        .timer = TIM2,
        .time_base_init = &tim_2_3_time_base,
        .irq = {
                .init = {
                        .NVIC_IRQChannel                   = TIM2_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_MID,
                        .NVIC_IRQChannelSubPriority        = 0,
                        .NVIC_IRQChannelCmd                = ENABLE,
                },
        },
};

static const struct pios_tim_clock_cfg tim_3_cfg = {
        .timer = TIM3,
        .time_base_init = &tim_2_3_time_base,
        .irq = {
                .init = {
                        .NVIC_IRQChannel                   = TIM3_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_MID,
                        .NVIC_IRQChannelSubPriority        = 0,
                        .NVIC_IRQChannelCmd                = ENABLE,
                },
        },
};

static const struct pios_tim_clock_cfg tim_8_cfg = {
        .timer = TIM8,
        .time_base_init = &tim_1_8_15_time_base,
        .irq = {
                .init = {
                        .NVIC_IRQChannel                   = TIM8_CC_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_MID,
                        .NVIC_IRQChannelSubPriority        = 0,
                        .NVIC_IRQChannelCmd                = ENABLE,
                },
        },
        .irq2 = {
                .init = {
                        .NVIC_IRQChannel                   = TIM8_UP_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_MID,
                        .NVIC_IRQChannelSubPriority        = 0,
                        .NVIC_IRQChannelCmd                = ENABLE,
                },
        },
};

static const struct pios_tim_clock_cfg tim_15_cfg = {
        .timer = TIM15,
        .time_base_init = &tim_1_8_15_time_base,
        .irq = {
                .init = {
                        .NVIC_IRQChannel                   = TIM1_BRK_TIM15_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_MID,
                        .NVIC_IRQChannelSubPriority        = 0,
                        .NVIC_IRQChannelCmd                = ENABLE,
                },
        },
};

static const struct pios_tim_channel pios_tim_servoport_pins[] = {
        { // Ch1 TIM8_CH2 (PB8)
                .timer = TIM8,
                .timer_chan = TIM_Channel_2,
                .remap = GPIO_AF_10,
                .pin = {
                        .gpio = GPIOB,
                        .init = {
                                .GPIO_Pin = GPIO_Pin_8,
                                .GPIO_Speed = GPIO_Speed_2MHz,
                                .GPIO_Mode  = GPIO_Mode_AF,
                                .GPIO_OType = GPIO_OType_PP,
                                .GPIO_PuPd  = GPIO_PuPd_UP
                        },
                        .pin_source = GPIO_PinSource8,
                },
        },
        { // Ch2 TIM8_CH3 (PB9)
                .timer = TIM8,
                .timer_chan = TIM_Channel_3,
                .remap = GPIO_AF_10,
                .pin = {
                        .gpio = GPIOB,
                        .init = {
                                .GPIO_Pin = GPIO_Pin_9,
                                .GPIO_Speed = GPIO_Speed_2MHz,
                                .GPIO_Mode  = GPIO_Mode_AF,
                                .GPIO_OType = GPIO_OType_PP,
                                .GPIO_PuPd  = GPIO_PuPd_UP
                        },
                        .pin_source = GPIO_PinSource9,
                },
        },
        { // Ch3 TIM2_CH4  (PA3)
                .timer = TIM2,
                .timer_chan = TIM_Channel_4,
                .remap = GPIO_AF_1,
                .pin = {
                        .gpio = GPIOA,
                        .init = {
                                .GPIO_Pin = GPIO_Pin_3,
                                .GPIO_Speed = GPIO_Speed_2MHz,
                                .GPIO_Mode  = GPIO_Mode_AF,
                                .GPIO_OType = GPIO_OType_PP,
                                .GPIO_PuPd  = GPIO_PuPd_UP
                        },
                        .pin_source = GPIO_PinSource3,
                },
        },
        { // Ch4 TIM15_CH1  (PA2)
                .timer = TIM15,
                .timer_chan = TIM_Channel_1,
                .remap = GPIO_AF_9,
                .pin = {
                        .gpio = GPIOA,
                        .init = {
                                .GPIO_Pin = GPIO_Pin_2,
                                .GPIO_Speed = GPIO_Speed_2MHz,
                                .GPIO_Mode  = GPIO_Mode_AF,
                                .GPIO_OType = GPIO_OType_PP,
                                .GPIO_PuPd  = GPIO_PuPd_UP
                        },
                        .pin_source = GPIO_PinSource2,
                },
        },
        // To consider
        // Ch5 - TIM2_CH3  (PB10) -- shared with UART3
        // Ch6 - TIM2_CH4  (PB11) -- shared with UART3
        // Ch7 - TIM4_CH2  (PB7)  -- shared with I2C
        // Ch8 - TIM4_CH1  (PB6   -- shared with I2C
};


#if defined(PIOS_INCLUDE_SERVO) && defined(PIOS_INCLUDE_TIM)
/*
 * Servo outputs
 */
#include <pios_servo_priv.h>

static const struct pios_servo_cfg pios_servo_cfg = {
        .tim_oc_init = {
                .TIM_OCMode = TIM_OCMode_PWM1,
                .TIM_OutputState = TIM_OutputState_Enable,
                .TIM_OutputNState = TIM_OutputNState_Disable,
                .TIM_Pulse = PIOS_SERVOS_INITIAL_POSITION,
                .TIM_OCPolarity = TIM_OCPolarity_High,
                .TIM_OCNPolarity = TIM_OCPolarity_High,
                .TIM_OCIdleState = TIM_OCIdleState_Reset,
                .TIM_OCNIdleState = TIM_OCNIdleState_Reset,
        },
        .channels = pios_tim_servoport_pins,
        .num_channels = NELEMENTS(pios_tim_servoport_pins),
};

struct pios_servo_cfg pios_servo_slow_cfg = {
        .tim_oc_init = {
                .TIM_OCMode = TIM_OCMode_PWM1,
                .TIM_OutputState = TIM_OutputState_Enable,
                .TIM_OutputNState = TIM_OutputNState_Disable,
                .TIM_Pulse = PIOS_SERVOS_INITIAL_POSITION,
                .TIM_OCPolarity = TIM_OCPolarity_High,
                .TIM_OCNPolarity = TIM_OCPolarity_High,
                .TIM_OCIdleState = TIM_OCIdleState_Reset,
                .TIM_OCNIdleState = TIM_OCNIdleState_Reset,
        },
        .force_1MHz = true,
        .channels = pios_tim_servoport_pins,
        .num_channels = NELEMENTS(pios_tim_servoport_pins),
};

#endif  /* PIOS_INCLUDE_SERVO && PIOS_INCLUDE_TIM */



/*
 * PPM Input
 */
#if defined(PIOS_INCLUDE_PPM)
#include <pios_pwm_priv.h>

/*
 *      INPUT - PPM
 *
 *      TIM3 CH1 PB4
 */
static const struct pios_tim_channel pios_tim_rxport_ppm[] = {
        {
                .timer = TIM3,
                .timer_chan = TIM_Channel_1,
                .remap = GPIO_AF_2,
                .pin = {
                        .gpio = GPIOB,
                        .init = {
                                .GPIO_Pin = GPIO_Pin_4,
                                .GPIO_Speed = GPIO_Speed_2MHz,
                                .GPIO_Mode  = GPIO_Mode_AF,
                                .GPIO_OType = GPIO_OType_PP,
                                .GPIO_PuPd  = GPIO_PuPd_UP
                        },
                        .pin_source = GPIO_PinSource4,
                },
        },
};
#endif

/*
 * PPM Input
 */
#if defined(PIOS_INCLUDE_PPM)
#include <pios_ppm_priv.h>
static const struct pios_ppm_cfg pios_ppm_cfg = {
        .tim_ic_init = {
                .TIM_ICPolarity = TIM_ICPolarity_Rising,
                .TIM_ICSelection = TIM_ICSelection_DirectTI,
                .TIM_ICPrescaler = TIM_ICPSC_DIV1,
                .TIM_ICFilter = 0x0,
                .TIM_Channel = TIM_Channel_1,
        },
        /* Use only the first channel for ppm */
        .channels = pios_tim_rxport_ppm,
        .num_channels = 1,
};

#endif //PPM

#if defined(PIOS_INCLUDE_ADC)
#include "pios_adc_priv.h"
#include "pios_internal_adc_priv.h"

uintptr_t pios_internal_adc_id;

void DMA1_Channel1_IRQHandler(void) __attribute__((alias("PIOS_ADC_DMA_irq_handler")));

void PIOS_ADC_DMA_irq_handler(void)
{
        /* Call into the generic code to handle the IRQ for this specific device */
        PIOS_INTERNAL_ADC_DMA_Handler(pios_internal_adc_id);
}

//-------------------------
// ADC
// ADC0 : PA0 ADC1_IN1  VBat
// ADC1 : PA1 ADC1_IN2  Current
// ADC2 : PB1 ADC3_IN1 RSSI --- not currently employed
//                              (not supported by BF, not on all boards)
// If desired to support it in the future, note that ADC3 can't slave to ADC1
// so it'll require a separate config struct / driver instance.
//-------------------------

static const struct pios_internal_adc_cfg internal_adc1_cfg = {
        .dma = {
                .irq = {
                        .flags   = (DMA1_FLAG_TC1 | DMA1_FLAG_TE1 | DMA1_FLAG_HT1 | DMA1_FLAG_GL1),
                        .init    = {
                                .NVIC_IRQChannel                   = DMA1_Channel1_IRQn,
                                .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH,
                                .NVIC_IRQChannelSubPriority        = 0,
                                .NVIC_IRQChannelCmd                = ENABLE,
                        },
                },
                .rx = {
                        .channel = DMA1_Channel1,
                        .init    = {
                                .DMA_Priority           = DMA_Priority_High,
                        },
                }
        },
        .half_flag = DMA1_IT_HT1,
        .full_flag = DMA1_IT_TC1,
        .oversampling = 32,
        .adc_pin_count = 2,
        .adc_pins = {
                {GPIOA, GPIO_Pin_0, ADC_Channel_1, true},  // Voltage
                {GPIOA, GPIO_Pin_1, ADC_Channel_2, true},  // Current
        },
        .adc_dev_master = ADC1,
};
#endif /* PIOS_INCLUDE_ADC */

#if defined(PIOS_INCLUDE_RCVR)
#include "pios_rcvr_priv.h"
#endif /* PIOS_INCLUDE_RCVR */

#if defined(PIOS_INCLUDE_USB)
#include "pios_usb_priv.h"

static const struct pios_usb_cfg pios_usb_main_cfg = {
        .irq = {
                .init    = {
                        .NVIC_IRQChannel                   = USB_LP_CAN1_RX0_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_LOW,
                        .NVIC_IRQChannelSubPriority        = 0,
                        .NVIC_IRQChannelCmd                = ENABLE,
                },
        },
#ifdef BOOTLOADER_VERSION
        // Only use vsense in bootloader, since PB5 is also the first output
        // channel.
        .vsense = {
                .gpio = GPIOB,
                .init = {
                        .GPIO_Pin   = GPIO_Pin_5,
                        .GPIO_Speed = GPIO_Speed_2MHz,
                        .GPIO_Mode  = GPIO_Mode_IN,
                        .GPIO_OType = GPIO_OType_OD,
                        .GPIO_PuPd  = GPIO_PuPd_DOWN,
                },
        },
#endif
};

const struct pios_usb_cfg * PIOS_BOARD_HW_DEFS_GetUsbCfg (uint32_t board_revision)
{
        return &pios_usb_main_cfg;
}

#include "pios_usb_board_data_priv.h"
#include "pios_usb_desc_hid_cdc_priv.h"
#include "pios_usb_desc_hid_only_priv.h"
#include "pios_usbhook.h"

#endif  /* PIOS_INCLUDE_USB */

#if defined(PIOS_INCLUDE_WS2811)
#include "pios_ws2811.h"

ws2811_dev_t pios_ws2811;

static const struct pios_ws2811_cfg pios_ws2811_cfg = {
        .timer = TIM1,
        .timer_chan = TIM_Channel_1,
        .led_gpio = GPIOA,
        .gpio_pin = GPIO_Pin_8,
        .remap = GPIO_AF_6,
        .timer_dma_source = TIM_DMA_Update,
        .dma_chan = DMA1_Channel5,
        .dma_tcif = DMA1_FLAG_TC5,
        .dma_irqn = DMA1_Channel5_IRQn,
};
#endif /* PIOS_INCLUDE_WS2811 */

#if defined(PIOS_INCLUDE_COM_MSG)

#include <pios_com_msg_priv.h>

#endif /* PIOS_INCLUDE_COM_MSG */

#if defined(PIOS_INCLUDE_USB_HID)
#include <pios_usb_hid_priv.h>

const struct pios_usb_hid_cfg pios_usb_hid_cfg = {
        .data_if = 0,
        .data_rx_ep = 1,
        .data_tx_ep = 1,
};
#endif /* PIOS_INCLUDE_USB_HID */

#if defined(PIOS_INCLUDE_USB_CDC)
#include <pios_usb_cdc_priv.h>

const struct pios_usb_cdc_cfg pios_usb_cdc_cfg = {
        .ctrl_if = 1,
        .ctrl_tx_ep = 2,

        .data_if = 2,
        .data_rx_ep = 3,
        .data_tx_ep = 3,
};
#endif  /* PIOS_INCLUDE_USB_CDC */

#if defined(PIOS_INCLUDE_MPU)
#include "pios_mpu.h"
static const struct pios_exti_cfg pios_exti_mpu_cfg __exti_config = {
        .vector = PIOS_MPU_IRQHandler,
        .line = EXTI_Line13,
        .pin = {
                .gpio = GPIOC,
                .init = {
                        .GPIO_Pin = GPIO_Pin_13,
                        .GPIO_Speed = GPIO_Speed_50MHz,
                        .GPIO_Mode = GPIO_Mode_IN,
                        .GPIO_OType = GPIO_OType_OD,
                        .GPIO_PuPd = GPIO_PuPd_NOPULL,
                },
        },
        .irq = {
                .init = {
                        .NVIC_IRQChannel = EXTI15_10_IRQn,
                        .NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH,
                        .NVIC_IRQChannelSubPriority = 0,
                        .NVIC_IRQChannelCmd = ENABLE,
                },
        },
        .exti = {
                .init = {
                        .EXTI_Line = EXTI_Line13, // matches above GPIO pin
                        .EXTI_Mode = EXTI_Mode_Interrupt,
                        .EXTI_Trigger = EXTI_Trigger_Rising,
                        .EXTI_LineCmd = ENABLE,
                },
        },
};

static struct pios_mpu_cfg pios_mpu_cfg = {
        .exti_cfg = &pios_exti_mpu_cfg,
        .default_samplerate = 1000,
        .orientation = PIOS_MPU_TOP_0DEG,
        .use_internal_mag = true,
};

#endif /* PIOS_INCLUDE_MPU */

#ifdef PIOS_INCLUDE_HMC5883
#include "pios_hmc5883_priv.h"
static const struct pios_hmc5883_cfg pios_hmc5883_external_cfg = {
        .exti_cfg = NULL,
        .M_ODR = PIOS_HMC5883_ODR_75,
        .Meas_Conf = PIOS_HMC5883_MEASCONF_NORMAL,
        .Gain = PIOS_HMC5883_GAIN_1_9,
        .Mode = PIOS_HMC5883_MODE_CONTINUOUS,
        .Default_Orientation = PIOS_HMC5883_TOP_0DEG,
};
#endif

#ifdef PIOS_INCLUDE_HMC5983_I2C
#include "pios_hmc5983.h"

static const struct pios_hmc5983_cfg pios_hmc5983_external_cfg = {
        .exti_cfg            = NULL,
        .M_ODR               = PIOS_HMC5983_ODR_75,
        .Meas_Conf           = PIOS_HMC5983_MEASCONF_NORMAL,
        .Gain                = PIOS_HMC5983_GAIN_1_9,
        .Mode                = PIOS_HMC5983_MODE_CONTINUOUS,
        .Averaging           = PIOS_HMC5983_AVERAGING_1,
        .Orientation         = PIOS_HMC5983_TOP_0DEG,
};
#endif