Helmut Tschemernjak / USBDeviceHT

A copy of the mbed USBDevice with USBSerial library

Dependents:   STM32L0_LoRa Smartage STM32L0_LoRa Turtle_RadioShuttle

targets/TARGET_STM/USBHAL_IP_DEVICE.h@1:7d1a127a1d2b, 2018-02-05 (annotated)

Committer:
Helmut Tschemernjak
Date:
Mon Feb 05 11:58:50 2018 +0100
Revision:
1:7d1a127a1d2b
Parent:
0:a3ea811f80f2 
Enabled proper STM32L4 device support

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Helmut64 0:a3ea811f80f2 1 /* Copyright (c) 2017 mbed.org, MIT License
Helmut64 0:a3ea811f80f2 2 *
Helmut64 0:a3ea811f80f2 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Helmut64 0:a3ea811f80f2 4 * and associated documentation files (the "Software"), to deal in the Software without
Helmut64 0:a3ea811f80f2 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
Helmut64 0:a3ea811f80f2 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
Helmut64 0:a3ea811f80f2 7 * Software is furnished to do so, subject to the following conditions:
Helmut64 0:a3ea811f80f2 8 *
Helmut64 0:a3ea811f80f2 9 * The above copyright notice and this permission notice shall be included in all copies or
Helmut64 0:a3ea811f80f2 10 * substantial portions of the Software.
Helmut64 0:a3ea811f80f2 11 *
Helmut64 0:a3ea811f80f2 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Helmut64 0:a3ea811f80f2 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Helmut64 0:a3ea811f80f2 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Helmut64 0:a3ea811f80f2 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Helmut64 0:a3ea811f80f2 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Helmut64 0:a3ea811f80f2 17 */
Helmut64 0:a3ea811f80f2 18 #ifndef USBHAL_IP_DEVICE_H
Helmut64 0:a3ea811f80f2 19 #define USBHAL_IP_DEVICE_H
Helmut64 0:a3ea811f80f2 20
Helmut64 0:a3ea811f80f2 21 #if defined(TARGET_NUCLEO_F303ZE)
Helmut64 0:a3ea811f80f2 22 #define USBHAL_IRQn USB_LP_CAN_RX0_IRQn
Helmut64 0:a3ea811f80f2 23
Helmut64 0:a3ea811f80f2 24 #elif defined(TARGET_NUCLEO_F103RB)
Helmut64 0:a3ea811f80f2 25 #define USBHAL_IRQn USB_LP_CAN1_RX0_IRQn
Helmut64 0:a3ea811f80f2 26
Helmut64 0:a3ea811f80f2 27 #elif defined(TARGET_DISCO_L072CZ_LRWAN1) || \
Helmut Tschemernjak 1:7d1a127a1d2b 28 defined(TARGET_DISCO_L053C8) || \
Helmut Tschemernjak 1:7d1a127a1d2b 29 defined(TARGET_STM32L4)
Helmut64 0:a3ea811f80f2 30 #define USBHAL_IRQn USB_IRQn
Helmut64 0:a3ea811f80f2 31
Helmut64 0:a3ea811f80f2 32 #else
Helmut64 0:a3ea811f80f2 33 #error "USB IRQ is not configured !"
Helmut64 0:a3ea811f80f2 34 #endif
Helmut64 0:a3ea811f80f2 35
Helmut Tschemernjak 1:7d1a127a1d2b 36 #if defined(TARGET_STM32L4) || defined(TARGET_DISCO_L072CZ_LRWAN1)
Helmut Tschemernjak 1:7d1a127a1d2b 37 extern "C" { void pin_function(PinName pin, int function); }
Helmut Tschemernjak 1:7d1a127a1d2b 38 #endif
Helmut Tschemernjak 1:7d1a127a1d2b 39
Helmut Tschemernjak 1:7d1a127a1d2b 40
Helmut64 0:a3ea811f80f2 41 #define NB_ENDPOINT 8 // Must be a multiple of 4 bytes
Helmut64 0:a3ea811f80f2 42
Helmut64 0:a3ea811f80f2 43 #define MAXTRANSFER_SIZE 0x200
Helmut64 0:a3ea811f80f2 44
Helmut64 0:a3ea811f80f2 45 #define FIFO_USB_RAM_SIZE (MAXTRANSFER_SIZE + MAX_PACKET_SIZE_EP0 + MAX_PACKET_SIZE_EP1 + MAX_PACKET_SIZE_EP2 + MAX_PACKET_SIZE_EP3)
Helmut64 0:a3ea811f80f2 46
Helmut64 0:a3ea811f80f2 47 #if (FIFO_USB_RAM_SIZE > 0x500)
Helmut64 0:a3ea811f80f2 48 #error "FIFO dimensioning incorrect"
Helmut64 0:a3ea811f80f2 49 #endif
Helmut64 0:a3ea811f80f2 50
Helmut64 0:a3ea811f80f2 51 typedef struct
Helmut64 0:a3ea811f80f2 52 {
Helmut64 0:a3ea811f80f2 53 USBHAL *inst;
Helmut64 0:a3ea811f80f2 54
Helmut64 0:a3ea811f80f2 55 void (USBHAL::*bus_reset)(void);
Helmut64 0:a3ea811f80f2 56 void (USBHAL::*sof)(int frame);
Helmut64 0:a3ea811f80f2 57 void (USBHAL::*connect_change)(unsigned int connected);
Helmut64 0:a3ea811f80f2 58 void (USBHAL::*suspend_change)(unsigned int suspended);
Helmut64 0:a3ea811f80f2 59 void (USBHAL::*ep0_setup)(void);
Helmut64 0:a3ea811f80f2 60 void (USBHAL::*ep0_in)(void);
Helmut64 0:a3ea811f80f2 61 void (USBHAL::*ep0_out)(void);
Helmut64 0:a3ea811f80f2 62 void (USBHAL::*ep0_read)(void);
Helmut64 0:a3ea811f80f2 63 bool (USBHAL::*ep_realise)(uint8_t endpoint, uint32_t maxPacket, uint32_t flags);
Helmut64 0:a3ea811f80f2 64 bool (USBHAL::*epCallback[(2 * NB_ENDPOINT) - 2])(void);
Helmut64 0:a3ea811f80f2 65
Helmut64 0:a3ea811f80f2 66 uint8_t epComplete[2 * NB_ENDPOINT];
Helmut64 0:a3ea811f80f2 67
Helmut64 0:a3ea811f80f2 68 /* Memorize dummy buffer used for reception */
Helmut64 0:a3ea811f80f2 69 uint32_t pBufRx[MAXTRANSFER_SIZE >> 2];
Helmut64 0:a3ea811f80f2 70 uint32_t pBufRx0[MAX_PACKET_SIZE_EP0 >> 2];
Helmut64 0:a3ea811f80f2 71
Helmut64 0:a3ea811f80f2 72 gpio_t usb_switch;
Helmut64 0:a3ea811f80f2 73 } USBHAL_Private_t;
Helmut64 0:a3ea811f80f2 74
Helmut64 0:a3ea811f80f2 75 uint32_t HAL_PCDEx_GetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo)
Helmut64 0:a3ea811f80f2 76 {
Helmut64 0:a3ea811f80f2 77 return 1024;
Helmut64 0:a3ea811f80f2 78 }
Helmut64 0:a3ea811f80f2 79
Helmut64 0:a3ea811f80f2 80 void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
Helmut64 0:a3ea811f80f2 81 {
Helmut64 0:a3ea811f80f2 82 USBHAL_Private_t *priv=((USBHAL_Private_t *)(hpcd->pData));
Helmut64 0:a3ea811f80f2 83 USBHAL *obj= priv->inst;
Helmut64 0:a3ea811f80f2 84 uint32_t sofnum = (hpcd->Instance->FNR) & USB_FNR_FN;
Helmut64 0:a3ea811f80f2 85 void (USBHAL::*func)(int frame) = priv->sof;
Helmut64 0:a3ea811f80f2 86 (obj->*func)(sofnum);
Helmut64 0:a3ea811f80f2 87 }
Helmut64 0:a3ea811f80f2 88
Helmut64 0:a3ea811f80f2 89 void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
Helmut64 0:a3ea811f80f2 90 {
Helmut64 0:a3ea811f80f2 91 USBHAL_Private_t *priv = ((USBHAL_Private_t *)(hpcd->pData));
Helmut64 0:a3ea811f80f2 92 #if defined(TARGET_NUCLEO_F103RB)
Helmut64 0:a3ea811f80f2 93 gpio_write(&(priv->usb_switch), !state);
Helmut64 0:a3ea811f80f2 94 #else
Helmut64 0:a3ea811f80f2 95 gpio_write(&(priv->usb_switch), state);
Helmut64 0:a3ea811f80f2 96 #endif
Helmut64 0:a3ea811f80f2 97 }
Helmut64 0:a3ea811f80f2 98
Helmut64 0:a3ea811f80f2 99 USBHAL *USBHAL::instance;
Helmut64 0:a3ea811f80f2 100
Helmut64 0:a3ea811f80f2 101 USBHAL::USBHAL(void) {
Helmut64 0:a3ea811f80f2 102 USBHAL_Private_t *HALPriv = new(USBHAL_Private_t);
Helmut64 0:a3ea811f80f2 103
Helmut64 0:a3ea811f80f2 104 hpcd.Instance = USB;
Helmut64 0:a3ea811f80f2 105
Helmut64 0:a3ea811f80f2 106 memset(&hpcd.Init, 0, sizeof(hpcd.Init));
Helmut64 0:a3ea811f80f2 107 hpcd.Init.dev_endpoints = NB_ENDPOINT;
Helmut64 0:a3ea811f80f2 108 hpcd.Init.ep0_mps = MAX_PACKET_SIZE_EP0;
Helmut64 0:a3ea811f80f2 109 hpcd.Init.phy_itface = PCD_PHY_EMBEDDED;
Helmut64 0:a3ea811f80f2 110 hpcd.Init.Sof_enable = 1;
Helmut64 0:a3ea811f80f2 111 hpcd.Init.speed = PCD_SPEED_FULL;
Helmut64 0:a3ea811f80f2 112
Helmut64 0:a3ea811f80f2 113 // Pass instance for usage inside call back
Helmut64 0:a3ea811f80f2 114 HALPriv->inst = this;
Helmut64 0:a3ea811f80f2 115 HALPriv->bus_reset = &USBHAL::busReset;
Helmut64 0:a3ea811f80f2 116 HALPriv->suspend_change = &USBHAL::suspendStateChanged;
Helmut64 0:a3ea811f80f2 117 HALPriv->connect_change = &USBHAL::connectStateChanged;
Helmut64 0:a3ea811f80f2 118 HALPriv->sof = &USBHAL::SOF;
Helmut64 0:a3ea811f80f2 119 HALPriv->ep0_setup = &USBHAL::EP0setupCallback;
Helmut64 0:a3ea811f80f2 120 HALPriv->ep_realise = &USBHAL::realiseEndpoint;
Helmut64 0:a3ea811f80f2 121 HALPriv->ep0_in = &USBHAL::EP0in;
Helmut64 0:a3ea811f80f2 122 HALPriv->ep0_out = &USBHAL::EP0out;
Helmut64 0:a3ea811f80f2 123 HALPriv->ep0_read = &USBHAL::EP0read;
Helmut64 0:a3ea811f80f2 124 HALPriv->epCallback[0] = &USBHAL::EP1_OUT_callback;
Helmut64 0:a3ea811f80f2 125 HALPriv->epCallback[1] = &USBHAL::EP1_IN_callback;
Helmut64 0:a3ea811f80f2 126 HALPriv->epCallback[2] = &USBHAL::EP2_OUT_callback;
Helmut64 0:a3ea811f80f2 127 HALPriv->epCallback[3] = &USBHAL::EP2_IN_callback;
Helmut64 0:a3ea811f80f2 128 HALPriv->epCallback[4] = &USBHAL::EP3_OUT_callback;
Helmut64 0:a3ea811f80f2 129 HALPriv->epCallback[5] = &USBHAL::EP3_IN_callback;
Helmut64 0:a3ea811f80f2 130 instance = this;
Helmut64 0:a3ea811f80f2 131
Helmut64 0:a3ea811f80f2 132 // Configure USB pins and other clocks
Helmut64 0:a3ea811f80f2 133 #if defined(TARGET_NUCLEO_F303ZE)
Helmut64 0:a3ea811f80f2 134 __HAL_RCC_GPIOA_CLK_ENABLE();
Helmut64 0:a3ea811f80f2 135 pin_function(PA_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF14_USB)); // DM
Helmut64 0:a3ea811f80f2 136 pin_function(PA_12, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF14_USB)); // DP
Helmut64 0:a3ea811f80f2 137 __HAL_RCC_GPIOG_CLK_ENABLE();
Helmut64 0:a3ea811f80f2 138 gpio_init_out(&HALPriv->usb_switch, PG_6);
Helmut64 0:a3ea811f80f2 139
Helmut64 0:a3ea811f80f2 140 #elif defined(TARGET_NUCLEO_F103RB)
Helmut64 0:a3ea811f80f2 141 // Make sure to connect a 1.5K resistor between USB-DP PA12 pin and +3.3V
Helmut64 0:a3ea811f80f2 142 __HAL_RCC_GPIOA_CLK_ENABLE();
Helmut64 0:a3ea811f80f2 143 pin_function(PA_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_MODE_AF_INPUT)); // DM
Helmut64 0:a3ea811f80f2 144 pin_function(PA_12, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_MODE_AF_INPUT)); // DP
Helmut64 0:a3ea811f80f2 145
Helmut64 0:a3ea811f80f2 146 #elif defined(TARGET_DISCO_L072CZ_LRWAN1) || \
Helmut64 0:a3ea811f80f2 147 defined(TARGET_DISCO_L053C8)
Helmut64 0:a3ea811f80f2 148 __HAL_RCC_GPIOA_CLK_ENABLE();
Helmut64 0:a3ea811f80f2 149 pin_function(PA_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_USB)); // DM
Helmut64 0:a3ea811f80f2 150 pin_function(PA_12, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_USB)); // DP
Helmut Tschemernjak 1:7d1a127a1d2b 151
Helmut Tschemernjak 1:7d1a127a1d2b 152 #elif defined(TARGET_STM32L4)
Helmut Tschemernjak 1:7d1a127a1d2b 153 __HAL_RCC_GPIOA_CLK_ENABLE();
Helmut Tschemernjak 1:7d1a127a1d2b 154 pin_function(PA_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_USB_FS)); // DM
Helmut Tschemernjak 1:7d1a127a1d2b 155 pin_function(PA_12, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_USB_FS)); // DP
Helmut Tschemernjak 1:7d1a127a1d2b 156 __HAL_RCC_PWR_CLK_ENABLE();
Helmut Tschemernjak 1:7d1a127a1d2b 157 HAL_PWREx_EnableVddUSB();
Helmut64 0:a3ea811f80f2 158
Helmut64 0:a3ea811f80f2 159 #else
Helmut64 0:a3ea811f80f2 160 #error "USB pins are not configured !"
Helmut64 0:a3ea811f80f2 161 #endif
Helmut64 0:a3ea811f80f2 162
Helmut64 0:a3ea811f80f2 163 __HAL_RCC_USB_CLK_ENABLE();
Helmut64 0:a3ea811f80f2 164 __HAL_RCC_SYSCFG_CLK_ENABLE();
Helmut64 0:a3ea811f80f2 165
Helmut64 0:a3ea811f80f2 166 // Configure PCD and FIFOs
Helmut64 0:a3ea811f80f2 167 hpcd.pData = (void*)HALPriv;
Helmut64 0:a3ea811f80f2 168 hpcd.State = HAL_PCD_STATE_RESET;
Helmut64 0:a3ea811f80f2 169 HAL_PCD_Init(&hpcd);
Helmut64 0:a3ea811f80f2 170
Helmut64 0:a3ea811f80f2 171 // EP0
Helmut64 0:a3ea811f80f2 172 HAL_PCDEx_PMAConfig(&hpcd, 0x00, PCD_SNG_BUF, 0x30);
Helmut64 0:a3ea811f80f2 173 HAL_PCDEx_PMAConfig(&hpcd, 0x80, PCD_SNG_BUF, 0x70);
Helmut64 0:a3ea811f80f2 174 // EP1
Helmut64 0:a3ea811f80f2 175 HAL_PCDEx_PMAConfig(&hpcd, 0x01, PCD_SNG_BUF, 0x90);
Helmut64 0:a3ea811f80f2 176 HAL_PCDEx_PMAConfig(&hpcd, 0x81, PCD_SNG_BUF, 0xb0);
Helmut64 0:a3ea811f80f2 177 // EP2
Helmut64 0:a3ea811f80f2 178 HAL_PCDEx_PMAConfig(&hpcd, 0x02, PCD_SNG_BUF, 0x100);
Helmut64 0:a3ea811f80f2 179 HAL_PCDEx_PMAConfig(&hpcd, 0x82, PCD_SNG_BUF, 0x120);
Helmut64 0:a3ea811f80f2 180 // EP3
Helmut64 0:a3ea811f80f2 181 HAL_PCDEx_PMAConfig(&hpcd, 0x03, PCD_DBL_BUF, 0x018000b0);
Helmut64 0:a3ea811f80f2 182 HAL_PCDEx_PMAConfig(&hpcd, 0x83, PCD_SNG_BUF, 0xb0);
Helmut64 0:a3ea811f80f2 183
Helmut64 0:a3ea811f80f2 184 // Configure interrupt vector
Helmut64 0:a3ea811f80f2 185 NVIC_SetVector(USBHAL_IRQn, (uint32_t)&_usbisr);
Helmut64 0:a3ea811f80f2 186 NVIC_SetPriority(USBHAL_IRQn, 1);
Helmut64 0:a3ea811f80f2 187
Helmut64 0:a3ea811f80f2 188 HAL_PCD_Start(&hpcd);
Helmut64 0:a3ea811f80f2 189 }
Helmut64 0:a3ea811f80f2 190
Helmut64 0:a3ea811f80f2 191 #endif // USBHAL_IP_DEVICE_H