logger_uart.c

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/*
 * Copyright (C) 2005-2013 The Paparazzi Team
 *
 * This file is part of paparazzi.
 *
 * paparazzi 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 2, or (at your option)
 * any later version.
 *
 * paparazzi 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 paparazzi; see the file COPYING.  If not, write to
 * the Free Software Foundation, 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */
 
#include "logger_uart.h"
 
#include "state.h"
#include "led.h"
#include "subsystems/imu.h"
#include "mcu_periph/uart.h"
 
struct logger_uart_data_struct logger_uart_data;
 
void logger_uart_init(void)
{
  logger_uart_data.id = 0;
}
 
void logger_uart_periodic(void)
{
  struct FloatEulers att = *stateGetNedToBodyEulers_f();
 
  logger_uart_data.start = 0x55CC;
  logger_uart_data.id++;
 
  if (logger_uart_data.id & 0x0080) {
    LED_ON(1);
  } else {
    LED_OFF(1);
  }
 
  logger_uart_data.gyro_p     = imu.gyro_unscaled.p;
  logger_uart_data.gyro_q     = imu.gyro_unscaled.q;
  logger_uart_data.gyro_r     = imu.gyro_unscaled.r;
  logger_uart_data.acc_x      = imu.accel_unscaled.x;
  logger_uart_data.acc_y      = imu.accel_unscaled.y;
  logger_uart_data.acc_z      = imu.accel_unscaled.z;
  logger_uart_data.phi = (att.phi * 100.0f);
  logger_uart_data.theta = (att.theta * 100.0f);
  logger_uart_data.psi = (att.psi * 100.0f);
 
  uint8_t crc = 0;
  uint8_t *p = (uint8_t*) &logger_uart_data;
  for (int i=0; i<22; i++)
  {
    crc += p[i];
    UART1Transmit(p[i]);
  }
  UART1Transmit(crc);
}