Shivanand Gowda / USBHOST

USB BARCODE READER

Fork of USBHOST by ST

USBHost/TARGET_STM/USBHALHost_DISCOL476VG.h@1:ab240722d7ef, 2017-02-15 (annotated)

Committer:
frq08711@LMECWL0871.LME.ST.COM
Date:
Wed Feb 15 10:49:44 2017 +0100
Revision:
1:ab240722d7ef
update to mbed 5.3.5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 1 /* Copyright (c) 2016 mbed.org, MIT License
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 2 *
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 4 * and associated documentation files (the "Software"), to deal in the Software without
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 7 * Software is furnished to do so, subject to the following conditions:
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 8 *
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 9 * The above copyright notice and this permission notice shall be included in all copies or
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 10 * substantial portions of the Software.
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 11 *
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 17 */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 18 #ifndef USBHALHOST_DISCOL476VG
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 19 #define USBHALHOST_DISCOL476VG
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 20
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 21 #define USBHAL_IRQn OTG_FS_IRQn
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 22
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 23 #define HCCA_SIZE sizeof(HCD_HandleTypeDef)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 24 #define ED_SIZE sizeof(HCED)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 25 #define TD_SIZE sizeof(HCTD)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 26
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 27 #define TOTAL_SIZE (HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE) + (MAX_TD*TD_SIZE))
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 28 /* STM device FS have 11 channels (definition is for 60 channels) */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 29 static volatile uint8_t usb_buf[TOTAL_SIZE];
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 30 typedef struct
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 31 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 32 /* store the request ongoing on each endpoit */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 33 /* 1st field of structure avoid giving knowledge of all structure to
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 34 * endpoint */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 35 volatile uint32_t addr[MAX_ENDPOINT];
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 36 USBHALHost *inst;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 37 void (USBHALHost::*deviceConnected)(int hub, int port, bool lowSpeed, USBHostHub * hub_parent);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 38 void (USBHALHost::*deviceDisconnected)(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 39 void (USBHALHost::*transferCompleted)(volatile uint32_t addr);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 40 }USBHALHost_Private_t;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 41
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 42 static gpio_t gpio_vbus;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 43
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 44 #define VBUS_OFF 1
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 45 #define VBUS_ON 0
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 46 #define USB_VBUS_CONFIG \
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 47 do {\
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 48 gpio_init_out_ex(&gpio_vbus, PC_9, VBUS_OFF);\
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 49 }while(0);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 50
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 51
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 52 void usb_vbus( uint8_t state)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 53 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 54 if(state == 0)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 55 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 56 gpio_write(&gpio_vbus, VBUS_OFF);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 57 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 58 else
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 59 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 60 gpio_write(&gpio_vbus, VBUS_ON);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 61 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 62 wait(0.2);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 63 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 64
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 65
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 66 USBHALHost::USBHALHost() {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 67 instHost = this;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 68 HCD_HandleTypeDef *hhcd;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 69 USBHALHost_Private_t *HALPriv = new(USBHALHost_Private_t);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 70 memset(HALPriv, 0, sizeof(USBHALHost_Private_t));
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 71 memInit();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 72 memset((void*)usb_hcca, 0, HCCA_SIZE);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 73 hhcd = (HCD_HandleTypeDef *)usb_hcca;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 74 hhcd->Instance = USB_OTG_FS;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 75 hhcd->pData = (void*)HALPriv;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 76 hhcd->Init.Host_channels = 11;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 77 /* for now failed with dma */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 78 hhcd->Init.dma_enable = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 79 hhcd->Init.speed = HCD_SPEED_FULL;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 80 hhcd->Init.phy_itface = HCD_PHY_EMBEDDED;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 81 hhcd->Init.use_external_vbus = 1;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 82 HALPriv->inst = this;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 83 HALPriv->deviceConnected = &USBHALHost::deviceConnected;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 84 HALPriv->deviceDisconnected = &USBHALHost::deviceDisconnected;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 85 HALPriv->transferCompleted = &USBHALHost::transferCompleted;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 86 for (int i = 0; i < MAX_ENDPOINT; i++) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 87 edBufAlloc[i] = false;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 88 HALPriv->addr[i]=(uint32_t)-1;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 89 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 90 for (int i = 0; i < MAX_TD; i++) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 91 tdBufAlloc[i] = false;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 92 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 93 __HAL_RCC_PWR_CLK_ENABLE();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 94 #ifdef TARGET_STM32L4
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 95 HAL_PWREx_EnableVddUSB();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 96 #endif
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 97
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 98 /* Configure USB HS GPIOs */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 99 __HAL_RCC_GPIOA_CLK_ENABLE();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 100
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 101 /*USB DM and DP */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 102 pin_function(PA_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_OTG_FS));
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 103 pin_function(PA_12, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_OTG_FS));
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 104
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 105 /* Configure VBUS Pin */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 106 __HAL_RCC_GPIOC_CLK_ENABLE();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 107 pin_function(PC_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_OTG_FS));
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 108 /* Configure POWER_SWITCH IO pin */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 109 USB_VBUS_CONFIG;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 110 __HAL_RCC_SYSCFG_CLK_ENABLE();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 111
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 112 /* Enable USB FS Clocks */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 113 __HAL_RCC_USB_OTG_FS_CLK_ENABLE();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 114 /* Set USBFS Interrupt priority */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 115 HAL_NVIC_SetPriority(USBHAL_IRQn, 5, 0);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 116 NVIC_SetVector(USBHAL_IRQn, (uint32_t)&_usbisr);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 117 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 118 #endif