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Diffstat (limited to 'apps/systemcmds/calibration/servo_cal.c')
-rw-r--r-- | apps/systemcmds/calibration/servo_cal.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/apps/systemcmds/calibration/servo_cal.c b/apps/systemcmds/calibration/servo_cal.c deleted file mode 100644 index 96b3045a9..000000000 --- a/apps/systemcmds/calibration/servo_cal.c +++ /dev/null @@ -1,264 +0,0 @@ -/**************************************************************************** - * servo_cal.c - * - * Copyright (C) 2012 Nils Wenzler. All rights reserved. - * Authors: Nils Wenzler <wenzlern@ethz.ch> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ -#include <stdio.h> -#include <stdlib.h> -#include <arch/board/drv_pwm_servo.h> -#include <fcntl.h> -#include "calibration.h" - -/**************************************************************************** - * Defines - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ -//Store the values here before writing them to global_data_rc_channels -uint16_t max_values_servo[PWM_SERVO_MAX_CHANNELS]; -uint16_t min_values_servo[PWM_SERVO_MAX_CHANNELS]; -uint16_t mid_values_servo[PWM_SERVO_MAX_CHANNELS]; - -// Servo loop thread - -pthread_t servo_calib_thread; - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**This sets the middle values - */ -uint8_t set_mid_s(void) -{ - if (0 == global_data_trylock(&global_data_rc_channels->access_conf)) { - uint8_t i; - - for (i = 0; i < PWM_SERVO_MAX_CHANNELS; i++) { - if (i == global_data_rc_channels->function[ROLL] || - i == global_data_rc_channels->function[YAW] || - i == global_data_rc_channels->function[PITCH]) { - - mid_values_servo[i] = global_data_rc_channels->chan[i].raw; - - } else { - mid_values_servo[i] = (max_values_servo[i] + min_values_servo[i]) / 2; - } - - } - - global_data_unlock(&global_data_rc_channels->access_conf); - return 0; - - } else - return -1; -} - -/**This gets all current values and writes them to min or max - */ -uint8_t get_value_s(void) -{ - if (0 == global_data_trylock(&global_data_rc_channels->access_conf)) { - uint8_t i; - - for (i = 0; i < PWM_SERVO_MAX_CHANNELS; i++) { - //see if the value is bigger or smaller than 1500 (roughly neutral) - //and write to the appropriate array - if (global_data_rc_channels->chan[i].raw != 0 && - global_data_rc_channels->chan[i].raw < 1500) { - min_values_servo[i] = global_data_rc_channels->chan[i].raw; - - } else if (global_data_rc_channels->chan[i].raw != 0 && - global_data_rc_channels->chan[i].raw > 1500) { - max_values_servo[i] = global_data_rc_channels->chan[i].raw; - - } else { - max_values_servo[i] = 0; - min_values_servo[i] = 0; - } - } - - global_data_unlock(&global_data_rc_channels->access_conf); - return 0; - - } else - return -1; -} - - -void write_data_s(void) -{ - // global_data_lock(&global_data_rc_channels->access_conf); - // uint8_t i; - // for(i=0; i < NR_CHANNELS; i++){ - // //Write the data to global_data_rc_channels (if not 0) - // if(mid_values_servo[i]!=0 && min_values_servo[i]!=0 && max_values_servo[i]!=0){ - // global_data_rc_channels->chan[i].scaling_factor = - // 10000/((max_values_servo[i] - min_values_servo[i])/2); - // - // global_data_rc_channels->chan[i].mid = mid_values_servo[i]; - // } - // - // printf("Channel %i\t Function %s \t\t Min %i\t\t Max %i\t\t Scaling Factor: %i\t Middle Value %i\n", - // i, - // global_data_rc_channels->function_name[global_data_rc_channels->function[i]], - // min_values_servo[i], max_values_servo[i], - // global_data_rc_channels->chan[i].scaling_factor, - // global_data_rc_channels->chan[i].mid); - // } - // global_data_unlock(&global_data_rc_channels->access_conf); - - //Write to the Parameter storage - - - - global_data_lock(&global_data_parameter_storage->access_conf); - - global_data_parameter_storage->pm.param_values[PARAM_SERVO1_MIN] = min_values_servo[0]; - global_data_parameter_storage->pm.param_values[PARAM_SERVO2_MIN] = min_values_servo[1]; - global_data_parameter_storage->pm.param_values[PARAM_SERVO3_MIN] = min_values_servo[2]; - global_data_parameter_storage->pm.param_values[PARAM_SERVO4_MIN] = min_values_servo[3]; - - global_data_parameter_storage->pm.param_values[PARAM_SERVO1_MAX] = max_values_servo[0]; - global_data_parameter_storage->pm.param_values[PARAM_SERVO2_MAX] = max_values_servo[1]; - global_data_parameter_storage->pm.param_values[PARAM_SERVO3_MAX] = max_values_servo[2]; - global_data_parameter_storage->pm.param_values[PARAM_SERVO4_MAX] = max_values_servo[3]; - - global_data_parameter_storage->pm.param_values[PARAM_SERVO1_TRIM] = mid_values_servo[0]; - global_data_parameter_storage->pm.param_values[PARAM_SERVO2_TRIM] = mid_values_servo[1]; - global_data_parameter_storage->pm.param_values[PARAM_SERVO3_TRIM] = mid_values_servo[2]; - global_data_parameter_storage->pm.param_values[PARAM_SERVO4_TRIM] = mid_values_servo[3]; - - global_data_unlock(&global_data_parameter_storage->access_conf); - - usleep(3e6); - uint8_t i; - - for (i = 0; i < NR_CHANNELS; i++) { - printf("Channel %i:\t\t Min %i\t\t Max %i\t\t Scaling Factor: %i\t Middle Value %i\n", - i, - min_values_servo[i], max_values_servo[i], - global_data_rc_channels->chan[i].scaling_factor, - global_data_rc_channels->chan[i].mid); - } - -} - -static void *servo_loop(void *arg) -{ - - // Set thread name - prctl(1, "calibration servo", getpid()); - - // initialize servos - int fd; - servo_position_t data[PWM_SERVO_MAX_CHANNELS]; - - fd = open("/dev/pwm_servo", O_RDWR); - - if (fd < 0) { - printf("failed opening /dev/pwm_servo\n"); - } - - ioctl(fd, PWM_SERVO_ARM, 0); - - while (1) { - int i; - - for (i = 0; i < 4; i++) { - data[i] = global_data_rc_channels->chan[global_data_rc_channels->function[THROTTLE]].raw; - } - - int result = write(fd, &data, sizeof(data)); - - if (result != sizeof(data)) { - printf("failed bulk-reading channel values\n"); - } - - // 5Hz loop - usleep(200000); - } - - return NULL; -} - - -/**************************************************************************** - * Public Functions - ****************************************************************************/ -int servo_cal(int argc, char *argv[]) -{ - // pthread_attr_t servo_loop_attr; - // pthread_attr_init(&servo_loop_attr); - // pthread_attr_setstacksize(&servo_loop_attr, 1024); - pthread_create(&servo_calib_thread, NULL, servo_loop, NULL); - pthread_join(servo_calib_thread, NULL); - - printf("The servo calibration routine assumes you already did the channel\n"); - printf("assignment with 'calibration channels'\n"); - printf("This routine chooses the minimum, maximum and middle\n"); - printf("value for each channel separately. The ROLL, PITCH and YAW function\n"); - printf("get their middle value from the RC direct, for the rest it is\n"); - printf("calculated out of the min and max values.\n"); - press_enter(); - - printf("Hold both sticks in lower left corner and continue\n "); - press_enter(); - usleep(500000); - - while (get_value_s()); - - printf("Hold both sticks in upper right corner and continue\n"); - press_enter(); - usleep(500000); - - while (get_value_s()); - - printf("Set the trim to 0 and leave the sticks in the neutral position\n"); - press_enter(); - - //Loop until successfull - while (set_mid_s()); - - //write the values to global_data_rc_channels - write_data_s(); - - return 0; - -} - |