shithub: lwext4

ref: 28a38779834ec1815a8c502ffd4ea615fa37aed6
dir: /demos/stm32f429_disco/hw_init.c/

/*
 * Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

#include <config.h>
#include <stm32f4xx.h>
#include <stm32f429i_discovery_lcd.h>
#include <lcd_log.h>
#include <pll.h>
#include <stdint.h>

#include <usbh_core.h>
#include <usbh_msc.h>



#include <pll.h>
#include <hw_init.h>
#include <stdbool.h>

USBH_HandleTypeDef hUSB_Host;


static bool msc_connected = false;
static bool enum_done = false;

static void USBH_UserProcess(USBH_HandleTypeDef *phost, uint8_t id)
{
  switch(id)
  {
  case HOST_USER_SELECT_CONFIGURATION:
      break;

  case HOST_USER_DISCONNECTION:
      msc_connected = false;
      enum_done = false;
      break;

  case HOST_USER_CLASS_ACTIVE:
	  enum_done = true;
      break;

  case HOST_USER_CONNECTION:
	  msc_connected = true;
      break;
  default:
      break;
  }
}

#define LCD_FRAME_BUFFER_LAYER0                  (LCD_FRAME_BUFFER+0x130000)
#define LCD_FRAME_BUFFER_LAYER1                  LCD_FRAME_BUFFER
#define CONVERTED_FRAME_BUFFER                   (LCD_FRAME_BUFFER+0x260000)

void hw_init(void)
{
    pll_init();
    HAL_Init();

    /* Initialize the LEDs */
    BSP_LED_Init(LED3);
    BSP_LED_Init(LED4);

    SysTick_Config(CFG_CCLK_FREQ / 1000);

    USBH_Init(&hUSB_Host, USBH_UserProcess, 0);
    USBH_RegisterClass(&hUSB_Host, USBH_MSC_CLASS);
    USBH_Start(&hUSB_Host);

    BSP_LCD_Init();

    /* Layer2 Init */
    BSP_LCD_LayerDefaultInit(1, LCD_FRAME_BUFFER_LAYER1);
    BSP_LCD_SelectLayer(1);
    BSP_LCD_Clear(LCD_COLOR_WHITE);
    BSP_LCD_SetColorKeying(1, LCD_COLOR_WHITE);
    BSP_LCD_SetLayerVisible(1, DISABLE);

    /* Layer1 Init */
    BSP_LCD_LayerDefaultInit(0, LCD_FRAME_BUFFER_LAYER0);
    BSP_LCD_SelectLayer(0);
    BSP_LCD_DisplayOn();
    BSP_LCD_Clear(LCD_COLOR_BLACK);


    LCD_LOG_Init();
    LCD_LOG_SetHeader((uint8_t *)"STM32 LWEXT4 DEMO  ");
}

void hw_usb_process(void)
{
    USBH_Process(&hUSB_Host);
}

bool hw_usb_connected(void)
{
    return msc_connected;
}

bool hw_usb_enum_done(void)
{
    return enum_done;
}

void hw_led_red(bool on)
{
    on ? BSP_LED_On(LED4) : BSP_LED_Off(LED4);
}

void hw_led_green(bool on)
{
    on ? BSP_LED_On(LED3) : BSP_LED_Off(LED3);
}

uint32_t hw_get_ms(void)
{
    return HAL_GetTick();
}

void hw_wait_ms(uint32_t ms)
{
    volatile uint32_t t = HAL_GetTick();

    while((t + ms) > HAL_GetTick())
        ;
}