mbed official / USBHost

USBHost library. NOTE: This library is only officially supported on the LPC1768 platform. For more information, please see the handbook page.

Dependencies:   FATFileSystem mbed-rtos

Dependents:   BTstack WallbotWii SD to Flash Data Transfer USBHost-MSD_HelloWorld ... more

Legacy Warning

This is an mbed 2 library. To learn more about mbed OS 5, visit the docs.

Pull requests against this repository are no longer supported. Please raise against mbed OS 5 as documented above.

USBHost/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_DISCO_F429ZI/USBHALHost_DISCOF429ZI.h@37:f1e388e7b752, 2017-07-20 (annotated)

Committer:
Kojto
Date:
Thu Jul 20 10:13:56 2017 +0100
Revision:
37:f1e388e7b752
Update libraries (ed9d1da)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 37:f1e388e7b752 1 /* mbed USBHost Library
Kojto 37:f1e388e7b752 2 * Copyright (c) 2006-2013 ARM Limited
Kojto 37:f1e388e7b752 3 *
Kojto 37:f1e388e7b752 4 * Licensed under the Apache License, Version 2.0 (the "License");
Kojto 37:f1e388e7b752 5 * you may not use this file except in compliance with the License.
Kojto 37:f1e388e7b752 6 * You may obtain a copy of the License at
Kojto 37:f1e388e7b752 7 *
Kojto 37:f1e388e7b752 8 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 37:f1e388e7b752 9 *
Kojto 37:f1e388e7b752 10 * Unless required by applicable law or agreed to in writing, software
Kojto 37:f1e388e7b752 11 * distributed under the License is distributed on an "AS IS" BASIS,
Kojto 37:f1e388e7b752 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 37:f1e388e7b752 13 * See the License for the specific language governing permissions and
Kojto 37:f1e388e7b752 14 * limitations under the License.
Kojto 37:f1e388e7b752 15 */
Kojto 37:f1e388e7b752 16 #ifndef USBHALHOST_DISCOF429ZI
Kojto 37:f1e388e7b752 17 #define USBHALHOST_DISCOF429ZI
Kojto 37:f1e388e7b752 18
Kojto 37:f1e388e7b752 19 #define USBHAL_IRQn OTG_HS_IRQn
Kojto 37:f1e388e7b752 20
Kojto 37:f1e388e7b752 21 #define HCCA_SIZE sizeof(HCD_HandleTypeDef)
Kojto 37:f1e388e7b752 22 #define ED_SIZE sizeof(HCED)
Kojto 37:f1e388e7b752 23 #define TD_SIZE sizeof(HCTD)
Kojto 37:f1e388e7b752 24
Kojto 37:f1e388e7b752 25 #define TOTAL_SIZE (HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE) + (MAX_TD*TD_SIZE))
Kojto 37:f1e388e7b752 26 /* STM device FS have 11 channels (definition is for 60 channels) */
Kojto 37:f1e388e7b752 27 static volatile uint8_t usb_buf[TOTAL_SIZE];
Kojto 37:f1e388e7b752 28 typedef struct
Kojto 37:f1e388e7b752 29 {
Kojto 37:f1e388e7b752 30 /* store the request ongoing on each endpoit */
Kojto 37:f1e388e7b752 31 /* 1st field of structure avoid giving knowledge of all structure to
Kojto 37:f1e388e7b752 32 * endpoint */
Kojto 37:f1e388e7b752 33 volatile uint32_t addr[MAX_ENDPOINT];
Kojto 37:f1e388e7b752 34 USBHALHost *inst;
Kojto 37:f1e388e7b752 35 void (USBHALHost::*deviceConnected)(int hub, int port, bool lowSpeed, USBHostHub * hub_parent);
Kojto 37:f1e388e7b752 36 void (USBHALHost::*deviceDisconnected)(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr);
Kojto 37:f1e388e7b752 37 void (USBHALHost::*transferCompleted)(volatile uint32_t addr);
Kojto 37:f1e388e7b752 38 }USBHALHost_Private_t;
Kojto 37:f1e388e7b752 39 /* CONFIGURATION for USB_VBUS
Kojto 37:f1e388e7b752 40 * on 64 bits board PC_0 is used (0 VBUS on, 1 VBUS off)
Kojto 37:f1e388e7b752 41 * on 144 pins board PG_6 is used ( 1 VBUS on, 0 VBUS on)
Kojto 37:f1e388e7b752 42 */
Kojto 37:f1e388e7b752 43 static gpio_t gpio_vbus;
Kojto 37:f1e388e7b752 44
Kojto 37:f1e388e7b752 45 #define VBUS_OFF 1
Kojto 37:f1e388e7b752 46 #define VBUS_ON 0
Kojto 37:f1e388e7b752 47 #define USB_VBUS_CONFIG \
Kojto 37:f1e388e7b752 48 do {__HAL_RCC_GPIOC_CLK_ENABLE();\
Kojto 37:f1e388e7b752 49 gpio_init_out_ex(&gpio_vbus, PC_4, VBUS_OFF);\
Kojto 37:f1e388e7b752 50 }while(0);
Kojto 37:f1e388e7b752 51
Kojto 37:f1e388e7b752 52
Kojto 37:f1e388e7b752 53 void usb_vbus( uint8_t state)
Kojto 37:f1e388e7b752 54 {
Kojto 37:f1e388e7b752 55 if(state == 0)
Kojto 37:f1e388e7b752 56 {
Kojto 37:f1e388e7b752 57 gpio_write(&gpio_vbus, VBUS_OFF);
Kojto 37:f1e388e7b752 58 }
Kojto 37:f1e388e7b752 59 else
Kojto 37:f1e388e7b752 60 {
Kojto 37:f1e388e7b752 61 gpio_write(&gpio_vbus, VBUS_ON);
Kojto 37:f1e388e7b752 62 }
Kojto 37:f1e388e7b752 63 wait(0.2);
Kojto 37:f1e388e7b752 64 }
Kojto 37:f1e388e7b752 65
Kojto 37:f1e388e7b752 66
Kojto 37:f1e388e7b752 67 USBHALHost::USBHALHost() {
Kojto 37:f1e388e7b752 68 gpio_t pin_vbus;
Kojto 37:f1e388e7b752 69 instHost = this;
Kojto 37:f1e388e7b752 70 HCD_HandleTypeDef *hhcd;
Kojto 37:f1e388e7b752 71 USBHALHost_Private_t *HALPriv = new(USBHALHost_Private_t);
Kojto 37:f1e388e7b752 72 memset(HALPriv, 0, sizeof(USBHALHost_Private_t));
Kojto 37:f1e388e7b752 73 memInit();
Kojto 37:f1e388e7b752 74 memset((void*)usb_hcca, 0, HCCA_SIZE);
Kojto 37:f1e388e7b752 75 hhcd = (HCD_HandleTypeDef *)usb_hcca;
Kojto 37:f1e388e7b752 76 hhcd->Instance = USB_OTG_HS;
Kojto 37:f1e388e7b752 77 hhcd->pData = (void*)HALPriv;
Kojto 37:f1e388e7b752 78 hhcd->Init.Host_channels = 11;
Kojto 37:f1e388e7b752 79 /* for now failed with dma */
Kojto 37:f1e388e7b752 80 hhcd->Init.dma_enable = 0;
Kojto 37:f1e388e7b752 81 hhcd->Init.speed = HCD_SPEED_HIGH;
Kojto 37:f1e388e7b752 82 hhcd->Init.phy_itface = HCD_PHY_EMBEDDED;
Kojto 37:f1e388e7b752 83 hhcd->Init.use_external_vbus = 1;
Kojto 37:f1e388e7b752 84 HALPriv->inst = this;
Kojto 37:f1e388e7b752 85 HALPriv->deviceConnected = &USBHALHost::deviceConnected;
Kojto 37:f1e388e7b752 86 HALPriv->deviceDisconnected = &USBHALHost::deviceDisconnected;
Kojto 37:f1e388e7b752 87 HALPriv->transferCompleted = &USBHALHost::transferCompleted;
Kojto 37:f1e388e7b752 88 for (int i = 0; i < MAX_ENDPOINT; i++) {
Kojto 37:f1e388e7b752 89 edBufAlloc[i] = false;
Kojto 37:f1e388e7b752 90 HALPriv->addr[i]=(uint32_t)-1;
Kojto 37:f1e388e7b752 91 }
Kojto 37:f1e388e7b752 92 for (int i = 0; i < MAX_TD; i++) {
Kojto 37:f1e388e7b752 93 tdBufAlloc[i] = false;
Kojto 37:f1e388e7b752 94 }
Kojto 37:f1e388e7b752 95 /* Configure USB HS GPIOs */
Kojto 37:f1e388e7b752 96 __HAL_RCC_GPIOB_CLK_ENABLE();
Kojto 37:f1e388e7b752 97
Kojto 37:f1e388e7b752 98 /*USB DM and DP */
Kojto 37:f1e388e7b752 99 pin_function(PB_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_OTG_HS_FS));
Kojto 37:f1e388e7b752 100 pin_function(PB_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_OTG_HS_FS));
Kojto 37:f1e388e7b752 101 /* Configure VBUS Pin */
Kojto 37:f1e388e7b752 102 gpio_init_in(&pin_vbus, PB_13);
Kojto 37:f1e388e7b752 103 /* Configure POWER_SWITCH IO pin */
Kojto 37:f1e388e7b752 104 USB_VBUS_CONFIG;
Kojto 37:f1e388e7b752 105 /* Enable USB HS Clocks */
Kojto 37:f1e388e7b752 106 __HAL_RCC_USB_OTG_HS_CLK_ENABLE();
Kojto 37:f1e388e7b752 107
Kojto 37:f1e388e7b752 108 /* Set USBFS Interrupt priority */
Kojto 37:f1e388e7b752 109 HAL_NVIC_SetPriority(USBHAL_IRQn, 5, 0);
Kojto 37:f1e388e7b752 110 NVIC_SetVector(USBHAL_IRQn, (uint32_t)&_usbisr);
Kojto 37:f1e388e7b752 111 }
Kojto 37:f1e388e7b752 112 #endif