text: /*
   * SPDX-FileCopyrightText: 2022 , Julien OURY
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   * SPDX-License-Identifier: Apache-2.0
   * SPDX-FileContributor: Created by Julien OURY <julien.oury@outlook.fr>
   */
  
  // This include is relative to $CARAVEL_PATH (see Makefile)
  #include <defs.h>
  #include <stub.c>
  
  /*
    Step motor controller test:
      - Configure the controller
  	- Start driving the moteur for 4 steps
  	- Wait end of step moving before flag the end of test
  */
  
  #define reg_mprj_motor_config       (*(volatile uint32_t*)0x30020000)
  #define reg_mprj_motor_multiplier   (*(volatile uint32_t*)0x30020004)
  #define reg_mprj_motor_divider      (*(volatile uint32_t*)0x30020008)
  #define reg_mprj_motor_period       (*(volatile uint32_t*)0x3002000C)
  #define reg_mprj_motor_control      (*(volatile uint32_t*)0x30020010)
  
  void main() {
  
    // Enable WishBone bus
    reg_wb_enable = 1;
  
    // I/Os is used by software
    reg_mprj_io_31 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_30 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_29 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_28 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_27 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_26 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_25 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_24 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_23 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_22 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_21 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_20 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_19 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_18 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_17 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_16 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_15 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_14 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_13 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_12 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_11 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_10 = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_9  = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_8  = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_7  = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_6  = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_5  = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_4  = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_3  = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_2  = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_1  = GPIO_MODE_MGMT_STD_OUTPUT;
    reg_mprj_io_0  = GPIO_MODE_MGMT_STD_OUTPUT;
  
    // Apply configuration
    reg_mprj_xfer = 1;
    while (reg_mprj_xfer == 1);
  
    // Flag start of the test
    reg_mprj_datal = 0xAB600000;
  
    // Configure the controller
    reg_mprj_motor_multiplier = 0x00000001;
    reg_mprj_motor_divider    = 0x0000000A;
    reg_mprj_motor_period     = 0x0000000A;
    reg_mprj_motor_config     = 0x800000FF;
    
    // Start the motor
    reg_mprj_motor_control    = 0x80000016;
    
    // Wait end of step moving
    int data;
    do {
       data = reg_mprj_motor_control;
    } while ((data & 0x00FFFFFF) != 0x00000000 );
  
    // Flag end of the test
    reg_mprj_datal = 0xAB610000;
  
  }
  