/**
******************************************************************************
* @addtogroup OpenPilotBL OpenPilot BootLoader
* @{
*
* @file pios_board.c
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief Defines board specific static initialisers for hardware for the OpenPilot board.
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* 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, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pios.h>
//#include <openpilot.h>
//#include <uavobjectsinit.h>
#if defined(PIOS_INCLUDE_SPI)
#include <pios_spi_priv.h>
/* AHRS Interface
*
* NOTE: Leave this declared as const data so that it ends up in the
* .rodata section (ie. Flash) rather than in the .bss section (RAM).
*/
void PIOS_SPI_ahrs_irq_handler(void);
void DMA1_Channel4_IRQHandler() __attribute__ ((alias ("PIOS_SPI_ahrs_irq_handler")));
void DMA1_Channel5_IRQHandler() __attribute__ ((alias ("PIOS_SPI_ahrs_irq_handler")));
const struct pios_spi_cfg pios_spi_ahrs_cfg = {
.regs = SPI2,
.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_High,
.SPI_CPHA = SPI_CPHA_2Edge,
.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8,
},
.use_crc = TRUE,
.dma = {
.ahb_clk = RCC_AHBPeriph_DMA1,
.irq = {
.handler = PIOS_SPI_ahrs_irq_handler,
.flags = (DMA1_FLAG_TC4 | DMA1_FLAG_TE4 | DMA1_FLAG_HT4 | DMA1_FLAG_GL4),
.init = {
.NVIC_IRQChannel = DMA1_Channel4_IRQn,
.NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH,
.NVIC_IRQChannelSubPriority = 0,
.NVIC_IRQChannelCmd = ENABLE,
},
},
.rx = {
.channel = DMA1_Channel4,
.init = {
.DMA_PeripheralBaseAddr = (uint32_t)&(SPI2->DR),
.DMA_DIR = DMA_DIR_PeripheralSRC,
.DMA_PeripheralInc = DMA_PeripheralInc_Disable,
.DMA_MemoryInc = DMA_MemoryInc_Enable,
.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte,
.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte,
.DMA_Mode = DMA_Mode_Normal,
.DMA_Priority = DMA_Priority_Medium,
.DMA_M2M = DMA_M2M_Disable,
},
},
.tx = {
.channel = DMA1_Channel5,
.init = {
.DMA_PeripheralBaseAddr = (uint32_t)&(SPI2->DR),
.DMA_DIR = DMA_DIR_PeripheralDST,
.DMA_PeripheralInc = DMA_PeripheralInc_Disable,
.DMA_MemoryInc = DMA_MemoryInc_Enable,
.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte,
.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte,
.DMA_Mode = DMA_Mode_Normal,
.DMA_Priority = DMA_Priority_Medium,
.DMA_M2M = DMA_M2M_Disable,
},
},
},
.ssel = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_12,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Mode = GPIO_Mode_Out_PP,
},
},
.sclk = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_13,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Mode = GPIO_Mode_AF_PP,
},
},
.miso = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_14,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Mode = GPIO_Mode_IN_FLOATING,
},
},
.mosi = {
.gpio = GPIOB,
.init = {
.GPIO_Pin = GPIO_Pin_15,
.GPIO_Speed = GPIO_Speed_50MHz,
.GPIO_Mode = GPIO_Mode_AF_PP,
},
},
};
uint32_t pios_spi_ahrs_id;
void PIOS_SPI_ahrs_irq_handler(void)
{
/* Call into the generic code to handle the IRQ for this specific device */
PIOS_SPI_IRQ_Handler(pios_spi_ahrs_id);
}
#endif /* PIOS_INCLUDE_SPI */
#if defined(PIOS_INCLUDE_USART)
#include "pios_usart_priv.h"
/*
* Telemetry USART
*/
void PIOS_USART_telem_irq_handler(void);
void USART2_IRQHandler() __attribute__ ((alias ("PIOS_USART_telem_irq_handler")));
const struct pios_usart_cfg pios_usart_telem_cfg = {
.regs = USART2,
.init = {
#if defined (PIOS_COM_TELEM_BAUDRATE)
.USART_BaudRate = PIOS_COM_TELEM_BAUDRATE,
#else
.USART_BaudRate = 57600,
#endif
.USART_WordLength = USART_WordLength_8b,
.USART_Parity = USART_Parity_No,
.USART_StopBits = USART_StopBits_1,
.USART_HardwareFlowControl = USART_HardwareFlowControl_None,
.USART_Mode = USART_Mode_Rx | USART_Mode_Tx,
},
.irq = {
.handler = PIOS_USART_telem_irq_handler,
.init = {
.NVIC_IRQChannel = USART2_IRQn,
.NVIC_IRQChannelPreemptionPriority = PIOS_IRQ_PRIO_HIGH,
.NVIC_IRQChannelSubPriority = 0,
.NVIC_IRQChannelCmd = ENABLE,
},
},
.rx = {
.gpio = GPIOA,
.init = {
.GPIO_Pin = GPIO_Pin_3,
.GPIO_Speed = GPIO_Speed_2MHz,
.GPIO_Mode = GPIO_Mode_IPU,
},
},
.tx = {
.gpio = GPIOA,
.init = {
.GPIO_Pin = GPIO_Pin_2,
.GPIO_Speed = GPIO_Speed_2MHz,
.GPIO_Mode = GPIO_Mode_AF_PP,
},
},
};
static uint32_t pios_usart_telem_rf_id;
void PIOS_USART_telem_irq_handler(void)
{
PIOS_USART_IRQ_Handler(pios_usart_telem_rf_id);
}
#endif /* PIOS_INCLUDE_USART */
#if defined(PIOS_INCLUDE_COM)
#include "pios_com_priv.h"
#endif /* PIOS_INCLUDE_COM */
extern const struct pios_com_driver pios_usb_com_driver;
uint32_t pios_com_telem_rf_id;
uint32_t pios_com_telem_usb_id;
#include "pios_opahrs.h"
/**
* PIOS_Board_Init()
* initializes all the core subsystems on this specific hardware
* called from System/openpilot.c
*/
void PIOS_Board_Init(void) {
/* Enable Prefetch Buffer */
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
/* Flash 2 wait state */
FLASH_SetLatency(FLASH_Latency_2);
/* Delay system */
PIOS_DELAY_Init();
/* Initialize the PiOS library */
#if defined(PIOS_INCLUDE_COM)
if (PIOS_USART_Init(&pios_usart_telem_rf_id, &pios_usart_telem_cfg)) {
PIOS_DEBUG_Assert(0);
}
if (PIOS_COM_Init(&pios_com_telem_rf_id, &pios_usart_com_driver, pios_usart_telem_rf_id)) {
PIOS_DEBUG_Assert(0);
}
#endif /* PIOS_INCLUDE_COM */
PIOS_GPIO_Init();
#if defined(PIOS_INCLUDE_USB_HID)
PIOS_USB_HID_Init(0);
#if defined(PIOS_INCLUDE_COM)
if (PIOS_COM_Init(&pios_com_telem_usb_id, &pios_usb_com_driver, 0)) {
PIOS_DEBUG_Assert(0);
}
#endif /* PIOS_INCLUDE_COM */
#endif /* PIOS_INCLUDE_USB_HID */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_CRC, ENABLE);//TODO Tirar
/* Set up the SPI interface to the AHRS */
if (PIOS_SPI_Init(&pios_spi_ahrs_id, &pios_spi_ahrs_cfg)) {
PIOS_DEBUG_Assert(0);
}
/* Bind the AHRS comms layer to the AHRS SPI link */
PIOS_OPAHRS_Attach(pios_spi_ahrs_id);
}
/**
* @}
*/