Diff: targets/TARGET_STM/USBHAL_IP_DEVICE.h

Revision:

0:a3ea811f80f2

Child:

1:7d1a127a1d2b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/USBHAL_IP_DEVICE.h	Mon Feb 05 10:22:57 2018 +0000
@@ -0,0 +1,178 @@
+/* Copyright (c) 2017 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+#ifndef USBHAL_IP_DEVICE_H
+#define USBHAL_IP_DEVICE_H
+
+#if defined(TARGET_NUCLEO_F303ZE)
+#define USBHAL_IRQn  USB_LP_CAN_RX0_IRQn
+
+#elif defined(TARGET_NUCLEO_F103RB)
+#define USBHAL_IRQn  USB_LP_CAN1_RX0_IRQn
+
+#elif defined(TARGET_DISCO_L072CZ_LRWAN1) || \
+      defined(TARGET_DISCO_L053C8)
+#define USBHAL_IRQn  USB_IRQn
+
+#else
+#error "USB IRQ is not configured !"
+#endif
+
+#define NB_ENDPOINT  8 // Must be a multiple of 4 bytes
+
+#define MAXTRANSFER_SIZE  0x200
+
+#define FIFO_USB_RAM_SIZE (MAXTRANSFER_SIZE + MAX_PACKET_SIZE_EP0 + MAX_PACKET_SIZE_EP1 + MAX_PACKET_SIZE_EP2 + MAX_PACKET_SIZE_EP3)
+
+#if (FIFO_USB_RAM_SIZE > 0x500)
+#error "FIFO dimensioning incorrect"
+#endif
+
+typedef struct
+{
+    USBHAL *inst;
+
+    void (USBHAL::*bus_reset)(void);
+    void (USBHAL::*sof)(int frame);
+    void (USBHAL::*connect_change)(unsigned int connected);
+    void (USBHAL::*suspend_change)(unsigned int suspended);
+    void (USBHAL::*ep0_setup)(void);
+    void (USBHAL::*ep0_in)(void);
+    void (USBHAL::*ep0_out)(void);
+    void (USBHAL::*ep0_read)(void);
+    bool (USBHAL::*ep_realise)(uint8_t endpoint, uint32_t maxPacket, uint32_t flags);
+    bool (USBHAL::*epCallback[(2 * NB_ENDPOINT) - 2])(void);
+
+    uint8_t epComplete[2 * NB_ENDPOINT];
+
+    /* Memorize dummy buffer used for reception */
+    uint32_t pBufRx[MAXTRANSFER_SIZE >> 2];
+    uint32_t pBufRx0[MAX_PACKET_SIZE_EP0 >> 2];
+
+    gpio_t usb_switch;
+} USBHAL_Private_t;
+
+uint32_t HAL_PCDEx_GetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo)
+{
+    return 1024;
+}
+
+void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd) 
+{
+    USBHAL_Private_t *priv=((USBHAL_Private_t *)(hpcd->pData));
+    USBHAL *obj= priv->inst;
+    uint32_t sofnum = (hpcd->Instance->FNR) & USB_FNR_FN;
+    void (USBHAL::*func)(int frame) = priv->sof;
+    (obj->*func)(sofnum);
+}
+
+void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
+{
+    USBHAL_Private_t *priv = ((USBHAL_Private_t *)(hpcd->pData));
+#if defined(TARGET_NUCLEO_F103RB)
+    gpio_write(&(priv->usb_switch), !state);
+#else
+    gpio_write(&(priv->usb_switch), state);
+#endif
+}
+
+USBHAL *USBHAL::instance;
+
+USBHAL::USBHAL(void) {
+    USBHAL_Private_t *HALPriv = new(USBHAL_Private_t);
+
+    hpcd.Instance = USB;
+
+    memset(&hpcd.Init, 0, sizeof(hpcd.Init));
+    hpcd.Init.dev_endpoints = NB_ENDPOINT;
+    hpcd.Init.ep0_mps = MAX_PACKET_SIZE_EP0;
+    hpcd.Init.phy_itface = PCD_PHY_EMBEDDED;
+    hpcd.Init.Sof_enable = 1;
+    hpcd.Init.speed = PCD_SPEED_FULL;
+
+    // Pass instance for usage inside call back
+    HALPriv->inst = this;
+    HALPriv->bus_reset = &USBHAL::busReset;
+    HALPriv->suspend_change = &USBHAL::suspendStateChanged;
+    HALPriv->connect_change = &USBHAL::connectStateChanged;
+    HALPriv->sof = &USBHAL::SOF;
+    HALPriv->ep0_setup = &USBHAL::EP0setupCallback;
+    HALPriv->ep_realise = &USBHAL::realiseEndpoint;
+    HALPriv->ep0_in = &USBHAL::EP0in;
+    HALPriv->ep0_out = &USBHAL::EP0out;
+    HALPriv->ep0_read = &USBHAL::EP0read;
+    HALPriv->epCallback[0] = &USBHAL::EP1_OUT_callback;
+    HALPriv->epCallback[1] = &USBHAL::EP1_IN_callback;
+    HALPriv->epCallback[2] = &USBHAL::EP2_OUT_callback;
+    HALPriv->epCallback[3] = &USBHAL::EP2_IN_callback;
+    HALPriv->epCallback[4] = &USBHAL::EP3_OUT_callback;
+    HALPriv->epCallback[5] = &USBHAL::EP3_IN_callback;
+    instance = this;
+
+    // Configure USB pins and other clocks
+#if defined(TARGET_NUCLEO_F303ZE)
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    pin_function(PA_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF14_USB)); // DM
+    pin_function(PA_12, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF14_USB)); // DP
+    __HAL_RCC_GPIOG_CLK_ENABLE();
+    gpio_init_out(&HALPriv->usb_switch, PG_6);
+
+#elif defined(TARGET_NUCLEO_F103RB)
+    // Make sure to connect a 1.5K resistor between USB-DP PA12 pin and +3.3V
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    pin_function(PA_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_MODE_AF_INPUT)); // DM
+    pin_function(PA_12, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_MODE_AF_INPUT)); // DP
+
+#elif defined(TARGET_DISCO_L072CZ_LRWAN1) || \
+      defined(TARGET_DISCO_L053C8)
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    pin_function(PA_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_USB)); // DM
+    pin_function(PA_12, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF2_USB)); // DP
+
+#else
+#error "USB pins are not configured !"
+#endif
+
+    __HAL_RCC_USB_CLK_ENABLE();
+    __HAL_RCC_SYSCFG_CLK_ENABLE();
+
+    // Configure PCD and FIFOs
+    hpcd.pData = (void*)HALPriv;
+    hpcd.State = HAL_PCD_STATE_RESET;
+    HAL_PCD_Init(&hpcd);
+
+    // EP0
+    HAL_PCDEx_PMAConfig(&hpcd, 0x00, PCD_SNG_BUF, 0x30);
+    HAL_PCDEx_PMAConfig(&hpcd, 0x80, PCD_SNG_BUF, 0x70);
+    // EP1
+    HAL_PCDEx_PMAConfig(&hpcd, 0x01, PCD_SNG_BUF, 0x90);
+    HAL_PCDEx_PMAConfig(&hpcd, 0x81, PCD_SNG_BUF, 0xb0);
+    // EP2
+    HAL_PCDEx_PMAConfig(&hpcd, 0x02, PCD_SNG_BUF, 0x100);
+    HAL_PCDEx_PMAConfig(&hpcd, 0x82, PCD_SNG_BUF, 0x120);
+    // EP3
+    HAL_PCDEx_PMAConfig(&hpcd, 0x03, PCD_DBL_BUF, 0x018000b0);
+    HAL_PCDEx_PMAConfig(&hpcd, 0x83, PCD_SNG_BUF, 0xb0);
+
+    // Configure interrupt vector
+    NVIC_SetVector(USBHAL_IRQn, (uint32_t)&_usbisr);
+    NVIC_SetPriority(USBHAL_IRQn, 1);
+
+    HAL_PCD_Start(&hpcd);
+}
+
+#endif // USBHAL_IP_DEVICE_H