USB HID host code import

1 files changed, 214 insertions, 82 deletions

diff --git a/main.c b/main.c
index eb093c4..f0141f0 100644
--- a/main.c
+++ b/main.c
@@ -1,82 +1,214 @@
-
-#include <stm32f407xx.h>
-#include <stdint.h>
-#include <system_stm32f4xx.h>
-#include <stm32f4xx_ll_utils.h>
-#include <stm32f4xx_ll_spi.h>
-#include <string.h>
-#include <unistd.h>
-/* 
- * Part number: STM32F030F4C6
- */
-
-void _init(void) {}
-
-void tick(void) {
-    for(int i=0; i<50; i++)
-        __asm__("nop");
-}
-
-int main(void) {
-    /*
-    RCC->CR |= RCC_CR_HSEON;
-    while (!(RCC->CR&RCC_CR_HSERDY));
-    RCC->CFGR &= ~RCC_CFGR_PLLMUL_Msk & ~RCC_CFGR_SW_Msk;
-    RCC->CFGR |= (2<<RCC_CFGR_PLLMUL_Pos) | RCC_CFGR_PLLSRC_HSE_PREDIV;
-    RCC->CFGR2 &= ~RCC_CFGR2_PREDIV_Msk;
-    RCC->CFGR2 |= RCC_CFGR2_PREDIV_DIV2;
-    RCC->CR |= RCC_CR_PLLON;
-    while (!(RCC->CR&RCC_CR_PLLRDY));
-    RCC->CFGR |= (2<<RCC_CFGR_SW_Pos);
-    SystemCoreClockUpdate();
-    */
-
-    LL_Init1msTick(SystemCoreClock);
-
-    RCC->AHB1ENR  |= RCC_AHB1ENR_GPIOAEN;
-
-    GPIOA->MODER |=
-        (1<<GPIO_MODER_MODER5_Pos)|
-        (1<<GPIO_MODER_MODER6_Pos)|
-        (1<<GPIO_MODER_MODER7_Pos);
-
-    /* Set shift register IO GPIO output speed */
-    GPIOA->OSPEEDR |=
-        (2<<GPIO_OSPEEDR_OSPEED5_Pos)|
-        (2<<GPIO_OSPEEDR_OSPEED6_Pos)|
-        (2<<GPIO_OSPEEDR_OSPEED7_Pos);
-
-    GPIOA->BSRR = GPIO_BSRR_BR_5;
-    GPIOA->BSRR = GPIO_BSRR_BR_6;
-    GPIOA->BSRR = GPIO_BSRR_BR_7;
-    while (42) {
-        for (int i=0; i<10000; i++)
-            tick();
-        GPIOA->BSRR = GPIO_BSRR_BS_5;
-        GPIOA->BSRR = GPIO_BSRR_BS_6;
-        GPIOA->BSRR = GPIO_BSRR_BS_7;
-        for (int i=0; i<10000; i++)
-            tick();
-        GPIOA->BSRR = GPIO_BSRR_BR_5;
-        GPIOA->BSRR = GPIO_BSRR_BR_6;
-        GPIOA->BSRR = GPIO_BSRR_BR_7;
-    }
-}
-
-void NMI_Handler(void) {
-}
-
-void HardFault_Handler(void) {
-    for(;;);
-}
-
-void SVC_Handler(void) {
-}
-
-
-void PendSV_Handler(void) {
-}
-
-void SysTick_Handler(void) {
-}
-
+/**

+  ******************************************************************************

+  * @file    USB_Host/HID_Standalone/Src/main.c

+  * @author  MCD Application Team

+  * @version V1.1.0

+  * @date    17-February-2017

+  * @brief   USB host HID Mouse and Keyboard demo main file

+  ******************************************************************************

+  * @attention

+  *

+  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V.

+  * All rights reserved.</center></h2>

+  *

+  * Redistribution and use in source and binary forms, with or without

+  * modification, are permitted, provided that the following conditions are met:

+  *

+  * 1. Redistribution 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 of STMicroelectronics nor the names of other

+  *    contributors to this software may be used to endorse or promote products

+  *    derived from this software without specific written permission.

+  * 4. This software, including modifications and/or derivative works of this

+  *    software, must execute solely and exclusively on microcontroller or

+  *    microprocessor devices manufactured by or for STMicroelectronics.

+  * 5. Redistribution and use of this software other than as permitted under

+  *    this license is void and will automatically terminate your rights under

+  *    this license.

+  *

+  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"

+  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT

+  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A

+  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY

+  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT

+  * SHALL STMICROELECTRONICS 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.

+  *

+  ******************************************************************************

+  */

+#include "main.h"

+

+USBH_HandleTypeDef hUSBHost;

+HID_ApplicationTypeDef Appli_state = APPLICATION_IDLE;

+

+static void SystemClock_Config(void);

+static void USBH_UserProcess(USBH_HandleTypeDef* phost, uint8_t id);

+static void HID_InitApplication(void);

+static void Error_Handler(void);

+

+int main(void)

+{

+    HAL_Init();

+    SystemClock_Config();

+    HID_InitApplication();

+    USBH_Init(&hUSBHost, USBH_UserProcess, 0);

+    USBH_RegisterClass(&hUSBHost, USBH_HID_CLASS);

+    USBH_Start(&hUSBHost);

+

+    while (1) {

+        USBH_Process(&hUSBHost);

+        HID_MenuProcess();

+    }

+}

+

+static void HID_InitApplication(void)

+{

+    BSP_LED_Init(LED1);

+    BSP_LED_Init(LED2);

+    BSP_LED_Init(LED3);

+    BSP_LED_Init(LED4);

+

+    BSP_PB_Init(BUTTON_WAKEUP, BUTTON_MODE_GPIO);

+

+    HID_MenuInit();

+}

+

+static void USBH_UserProcess(USBH_HandleTypeDef* phost, uint8_t id)

+{

+    switch (id) {

+    case HOST_USER_SELECT_CONFIGURATION:

+        break;

+

+    case HOST_USER_DISCONNECTION:

+        Appli_state = APPLICATION_DISCONNECT;

+        break;

+

+    case HOST_USER_CLASS_ACTIVE:

+        Appli_state = APPLICATION_READY;

+        break;

+

+    case HOST_USER_CONNECTION:

+        Appli_state = APPLICATION_START;

+        break;

+

+    default:

+        break;

+    }

+}

+

+void Toggle_Leds(void)

+{

+    static uint32_t ticks;

+

+    if (ticks++ == 100) {

+        BSP_LED_Toggle(LED1);

+        BSP_LED_Toggle(LED2);

+        BSP_LED_Toggle(LED3);

+        BSP_LED_Toggle(LED4);

+        ticks = 0;

+    }

+}

+

+/**

+  * @brief  System Clock Configuration

+  *         The system Clock is configured as follow :

+  *            System Clock source            = PLL (HSE)

+  *            SYSCLK(Hz)                     = 180000000

+  *            HCLK(Hz)                       = 180000000

+  *            AHB Prescaler                  = 1

+  *            APB1 Prescaler                 = 4

+  *            APB2 Prescaler                 = 2

+  *            HSE Frequency(Hz)              = 8000000

+  *            PLL_M                          = 8

+  *            PLL_N                          = 360

+  *            PLL_P                          = 2

+  *            PLL_Q                          = 7

+  *            PLL_R                          = 2

+  *            VDD(V)                         = 3.3

+  *            Main regulator output voltage  = Scale1 mode

+  *            Flash Latency(WS)              = 5

+  *         The USB clock configuration from PLLSAI:

+  *            PLLSAIM                        = 8

+  *            PLLSAIN                        = 384

+  *            PLLSAIP                        = 8

+  * @param  None

+  * @retval None

+  */

+static void SystemClock_Config(void)

+{

+    RCC_ClkInitTypeDef RCC_ClkInitStruct;

+    RCC_OscInitTypeDef RCC_OscInitStruct;

+    RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;

+

+    /* Enable Power Control clock */

+    __HAL_RCC_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;

+#if defined(USE_STM32469I_DISCO_REVA)

+    RCC_OscInitStruct.PLL.PLLM = 25;

+#else

+    RCC_OscInitStruct.PLL.PLLM = 8;

+#endif /* USE_STM32469I_DISCO_REVA */

+    RCC_OscInitStruct.PLL.PLLN = 360;

+    RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;

+    RCC_OscInitStruct.PLL.PLLQ = 7;

+    RCC_OscInitStruct.PLL.PLLR = 2;

+    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)

+        Error_Handler();

+

+    /* Enable the OverDrive to reach the 180 Mhz Frequency */

+    if (HAL_PWREx_EnableOverDrive() != HAL_OK)

+        Error_Handler();

+

+    /* Select PLLSAI output as USB clock source */

+    PeriphClkInitStruct.PLLSAI.PLLSAIQ = 7;

+    PeriphClkInitStruct.PLLSAI.PLLSAIN = 384;

+    PeriphClkInitStruct.PLLSAI.PLLSAIP = RCC_PLLSAIP_DIV8;

+    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_CK48;

+    PeriphClkInitStruct.Clk48ClockSelection = RCC_CK48CLKSOURCE_PLLSAIP;

+    HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);

+

+    /* 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;

+    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)

+        Error_Handler();

+}

+

+void HAL_Delay(__IO uint32_t Delay)

+{

+    while (Delay) {

+        if (SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk)

+            Delay--;

+    }

+}

+

+static void Error_Handler(void)

+{

+    while (1)

+        ;

+}

+