+++ /dev/null
-/*
- * 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 <stdint.h>
-
-#include <usbh_core.h>
-#include <usbh_msc.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)
-
-static void SystemClock_Config(void)
-{
- RCC_ClkInitTypeDef RCC_ClkInitStruct;
- RCC_OscInitTypeDef RCC_OscInitStruct;
-
- /* Enable Power Control clock */
- __PWR_CLK_ENABLE();
-
- /* The voltage scaling allows optimizing the power consumption when the
- device is
- clocked below the maximum system frequency, to update the voltage
- scaling value
- regarding system frequency refer to product datasheet. */
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
-
- /* Enable HSE Oscillator and activate PLL with HSE as source */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
- RCC_OscInitStruct.HSEState = RCC_HSE_ON;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
- RCC_OscInitStruct.PLL.PLLM = 8;
- RCC_OscInitStruct.PLL.PLLN = 336;
- RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
- RCC_OscInitStruct.PLL.PLLQ = 7;
- HAL_RCC_OscConfig(&RCC_OscInitStruct);
-
- /* Select PLL as system clock source and configure the HCLK, PCLK1 and
- PCLK2
- clocks dividers */
- RCC_ClkInitStruct.ClockType =
- (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 |
- RCC_CLOCKTYPE_PCLK2);
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
- HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
-}
-
-void hw_init(void)
-{
- SystemInit();
- HAL_Init();
- SystemClock_Config();
-
- /* 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 tim_get_ms(void) { return HAL_GetTick(); }
-
-uint64_t tim_get_us(void)
-{
- return (uint64_t)HAL_GetTick() * 1000 +
- ((SysTick->LOAD - SysTick->VAL) * 1000) / SysTick->LOAD;
-}
-
-void tim_wait_ms(uint32_t ms)
-{
- volatile uint32_t t = HAL_GetTick();
-
- while ((t + ms) > HAL_GetTick())
- ;
-}
projects / lwext4.git / blobdiff