diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_hal_pcd_ex.c')
| -rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_hal_pcd_ex.c | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_hal_pcd_ex.c b/bsps/arm/stm32h7/hal/stm32h7xx_hal_pcd_ex.c new file mode 100644 index 0000000000..17d3d5b05a --- /dev/null +++ b/bsps/arm/stm32h7/hal/stm32h7xx_hal_pcd_ex.c @@ -0,0 +1,348 @@ +/**
+ ******************************************************************************
+ * @file stm32h7xx_hal_pcd_ex.c
+ * @author MCD Application Team
+ * @brief PCD Extended HAL module driver.
+ * This file provides firmware functions to manage the following
+ * functionalities of the USB Peripheral Controller:
+ * + Extended features functions
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32h7xx_hal.h"
+
+/** @addtogroup STM32H7xx_HAL_Driver
+ * @{
+ */
+
+/** @defgroup PCDEx PCDEx
+ * @brief PCD Extended HAL module driver
+ * @{
+ */
+
+#ifdef HAL_PCD_MODULE_ENABLED
+
+#if defined (USB_OTG_FS) || defined (USB_OTG_HS)
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+/* Exported functions --------------------------------------------------------*/
+
+/** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions
+ * @{
+ */
+
+/** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions
+ * @brief PCDEx control functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Extended features functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to:
+ (+) Update FIFO configuration
+
+@endverbatim
+ * @{
+ */
+#if defined (USB_OTG_FS) || defined (USB_OTG_HS)
+/**
+ * @brief Set Tx FIFO
+ * @param hpcd PCD handle
+ * @param fifo The number of Tx fifo
+ * @param size Fifo size
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size)
+{
+ uint8_t i;
+ uint32_t Tx_Offset;
+
+ /* TXn min size = 16 words. (n : Transmit FIFO index)
+ When a TxFIFO is not used, the Configuration should be as follows:
+ case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes)
+ --> Txm can use the space allocated for Txn.
+ case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes)
+ --> Txn should be configured with the minimum space of 16 words
+ The FIFO is used optimally when used TxFIFOs are allocated in the top
+ of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones.
+ When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */
+
+ Tx_Offset = hpcd->Instance->GRXFSIZ;
+
+ if (fifo == 0U)
+ {
+ hpcd->Instance->DIEPTXF0_HNPTXFSIZ = ((uint32_t)size << 16) | Tx_Offset;
+ }
+ else
+ {
+ Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16;
+ for (i = 0U; i < (fifo - 1U); i++)
+ {
+ Tx_Offset += (hpcd->Instance->DIEPTXF[i] >> 16);
+ }
+
+ /* Multiply Tx_Size by 2 to get higher performance */
+ hpcd->Instance->DIEPTXF[fifo - 1U] = ((uint32_t)size << 16) | Tx_Offset;
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Set Rx FIFO
+ * @param hpcd PCD handle
+ * @param size Size of Rx fifo
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size)
+{
+ hpcd->Instance->GRXFSIZ = size;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Activate LPM feature.
+ * @param hpcd PCD handle
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd)
+{
+ USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
+
+ hpcd->lpm_active = 1U;
+ hpcd->LPM_State = LPM_L0;
+ USBx->GINTMSK |= USB_OTG_GINTMSK_LPMINTM;
+ USBx->GLPMCFG |= (USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Deactivate LPM feature.
+ * @param hpcd PCD handle
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd)
+{
+ USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
+
+ hpcd->lpm_active = 0U;
+ USBx->GINTMSK &= ~USB_OTG_GINTMSK_LPMINTM;
+ USBx->GLPMCFG &= ~(USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
+
+ return HAL_OK;
+}
+
+
+/**
+ * @brief Handle BatteryCharging Process.
+ * @param hpcd PCD handle
+ * @retval HAL status
+ */
+void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd)
+{
+ USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
+ uint32_t tickstart = HAL_GetTick();
+
+ /* Enable DCD : Data Contact Detect */
+ USBx->GCCFG |= USB_OTG_GCCFG_DCDEN;
+
+ /* Wait Detect flag or a timeout is happen*/
+ while ((USBx->GCCFG & USB_OTG_GCCFG_DCDET) == 0U)
+ {
+ /* Check for the Timeout */
+ if ((HAL_GetTick() - tickstart) > 1000U)
+ {
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+ hpcd->BCDCallback(hpcd, PCD_BCD_ERROR);
+#else
+ HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+
+ return;
+ }
+ }
+
+ /* Right response got */
+ HAL_Delay(200U);
+
+ /* Check Detect flag*/
+ if ((USBx->GCCFG & USB_OTG_GCCFG_DCDET) == USB_OTG_GCCFG_DCDET)
+ {
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+ hpcd->BCDCallback(hpcd, PCD_BCD_CONTACT_DETECTION);
+#else
+ HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+ }
+
+ /*Primary detection: checks if connected to Standard Downstream Port
+ (without charging capability) */
+ USBx->GCCFG &= ~ USB_OTG_GCCFG_DCDEN;
+ HAL_Delay(50U);
+ USBx->GCCFG |= USB_OTG_GCCFG_PDEN;
+ HAL_Delay(50U);
+
+ if ((USBx->GCCFG & USB_OTG_GCCFG_PDET) == 0U)
+ {
+ /* Case of Standard Downstream Port */
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+ hpcd->BCDCallback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT);
+#else
+ HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+ }
+ else
+ {
+ /* start secondary detection to check connection to Charging Downstream
+ Port or Dedicated Charging Port */
+ USBx->GCCFG &= ~ USB_OTG_GCCFG_PDEN;
+ HAL_Delay(50U);
+ USBx->GCCFG |= USB_OTG_GCCFG_SDEN;
+ HAL_Delay(50U);
+
+ if ((USBx->GCCFG & USB_OTG_GCCFG_SDET) == USB_OTG_GCCFG_SDET)
+ {
+ /* case Dedicated Charging Port */
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+ hpcd->BCDCallback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT);
+#else
+ HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+ }
+ else
+ {
+ /* case Charging Downstream Port */
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+ hpcd->BCDCallback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT);
+#else
+ HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+ }
+ }
+
+ /* Battery Charging capability discovery finished */
+ (void)HAL_PCDEx_DeActivateBCD(hpcd);
+
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+ hpcd->BCDCallback(hpcd, PCD_BCD_DISCOVERY_COMPLETED);
+#else
+ HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+}
+
+/**
+ * @brief Activate BatteryCharging feature.
+ * @param hpcd PCD handle
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCDEx_ActivateBCD(PCD_HandleTypeDef *hpcd)
+{
+ USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
+
+ USBx->GCCFG &= ~(USB_OTG_GCCFG_PDEN);
+ USBx->GCCFG &= ~(USB_OTG_GCCFG_SDEN);
+
+ /* Power Down USB tranceiver */
+ USBx->GCCFG &= ~(USB_OTG_GCCFG_PWRDWN);
+
+ /* Enable Battery charging */
+ USBx->GCCFG |= USB_OTG_GCCFG_BCDEN;
+
+ hpcd->battery_charging_active = 1U;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Deactivate BatteryCharging feature.
+ * @param hpcd PCD handle
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_PCDEx_DeActivateBCD(PCD_HandleTypeDef *hpcd)
+{
+ USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
+
+ USBx->GCCFG &= ~(USB_OTG_GCCFG_SDEN);
+ USBx->GCCFG &= ~(USB_OTG_GCCFG_PDEN);
+
+ /* Disable Battery charging */
+ USBx->GCCFG &= ~(USB_OTG_GCCFG_BCDEN);
+
+ hpcd->battery_charging_active = 0U;
+
+ return HAL_OK;
+}
+
+#endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */
+
+/**
+ * @brief Send LPM message to user layer callback.
+ * @param hpcd PCD handle
+ * @param msg LPM message
+ * @retval HAL status
+ */
+__weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+ UNUSED(msg);
+
+ /* NOTE : This function should not be modified, when the callback is needed,
+ the HAL_PCDEx_LPM_Callback could be implemented in the user file
+ */
+}
+
+/**
+ * @brief Send BatteryCharging message to user layer callback.
+ * @param hpcd PCD handle
+ * @param msg LPM message
+ * @retval HAL status
+ */
+__weak void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg)
+{
+ /* Prevent unused argument(s) compilation warning */
+ UNUSED(hpcd);
+ UNUSED(msg);
+
+ /* NOTE : This function should not be modified, when the callback is needed,
+ the HAL_PCDEx_BCD_Callback could be implemented in the user file
+ */
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+#endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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