diff options
Diffstat (limited to 'stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pcd_ex.c')
| -rw-r--r-- | stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pcd_ex.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pcd_ex.c b/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pcd_ex.c index b34328a..5f3002d 100644 --- a/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pcd_ex.c +++ b/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pcd_ex.c @@ -5,10 +5,10 @@ * @version V1.0.4 * @date 29-April-2016 * @brief Extended PCD HAL module driver. - * This file provides firmware functions to manage the following + * This file provides firmware functions to manage the following * functionalities of the USB Peripheral Controller: - * + Extended features functions: Update FIFO configuration, - * PMA configuration for EPs + * + Extended features functions: Update FIFO configuration, + * PMA configuration for EPs * ****************************************************************************** * @attention @@ -72,7 +72,7 @@ */ /** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions - * @brief PCDEx control functions + * @brief PCDEx control functions * @verbatim =============================================================================== @@ -98,19 +98,19 @@ HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uin { uint8_t index = 0; uint32_t Tx_Offset = 0; - + /* TXn min size = 16 words. (n : Transmit FIFO index) - When a TxFIFO is not used, the Configuration should be as follows: + 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 + 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 == 0) { hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (size << 16) | Tx_Offset; @@ -122,12 +122,12 @@ HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uin { Tx_Offset += (hpcd->Instance->DIEPTXF[index] >> 16); } - + /* Multiply Tx_Size by 2 to get higher performance */ hpcd->Instance->DIEPTXF[fifo - 1] = (size << 16) | Tx_Offset; - + } - + return HAL_OK; } @@ -162,14 +162,14 @@ HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size) * @retval HAL status */ -HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, +HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, uint16_t ep_addr, uint16_t ep_kind, uint32_t pmaadress) { PCD_EPTypeDef *ep = NULL; - + /* initialize ep structure*/ if ((0x80 & ep_addr) == 0x80) { @@ -179,7 +179,7 @@ HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, { ep = &hpcd->OUT_ep[ep_addr]; } - + /* Here we check if the endpoint is single or double Buffer*/ if (ep_kind == PCD_SNG_BUF) { @@ -196,8 +196,8 @@ HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, ep->pmaaddr0 = pmaadress & 0xFFFF; ep->pmaaddr1 = (pmaadress & 0xFFFF0000) >> 16; } - - return HAL_OK; + + return HAL_OK; } #endif /* USB */ /** @@ -205,12 +205,12 @@ HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, */ /** @defgroup PCDEx_Exported_Functions_Group2 Peripheral State functions - * @brief Manage device connection state + * @brief Manage device connection state * @{ */ /** - * @brief Software Device Connection, - * this function is not required by USB OTG FS peripheral, it is used + * @brief Software Device Connection, + * this function is not required by USB OTG FS peripheral, it is used * only by USB Device FS peripheral. * @param hpcd: PCD handle * @param state: connection state (0 : disconnected / 1: connected) @@ -223,7 +223,7 @@ __weak void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state) UNUSED(state); /* NOTE : This function Should not be modified, when the callback is needed, the HAL_PCDEx_SetConnectionState could be implemented in the user file - */ + */ } /** * @} |