diff options
Diffstat (limited to 'Projects/P-NUCLEO-WB55.Nucleo/Applications/BLE_LLD/BLE_LLD_Chat/Core/Src/gpio_lld.c')
| -rw-r--r-- | Projects/P-NUCLEO-WB55.Nucleo/Applications/BLE_LLD/BLE_LLD_Chat/Core/Src/gpio_lld.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/Projects/P-NUCLEO-WB55.Nucleo/Applications/BLE_LLD/BLE_LLD_Chat/Core/Src/gpio_lld.c b/Projects/P-NUCLEO-WB55.Nucleo/Applications/BLE_LLD/BLE_LLD_Chat/Core/Src/gpio_lld.c new file mode 100644 index 000000000..1ccb7b42f --- /dev/null +++ b/Projects/P-NUCLEO-WB55.Nucleo/Applications/BLE_LLD/BLE_LLD_Chat/Core/Src/gpio_lld.c @@ -0,0 +1,132 @@ +/** + ****************************************************************************** + * @file gpio_lld.c + * @author MCD Application Team + * @version $VERSION$ + * @date $DATE$ + * @brief This file contains the init of all the GPIOs used by LLD tests. + * It is to be used on both M0 and M4. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +// Be carrefull with the .h included as this file must be compilable on both M0 and M4 environments +#include "app_conf.h" +#include "gpio_lld.h" + +/* Set PHY GPIO_HARD_FAULT to '1' */ +void gpio_lld_phy_gpioHardFault_up(void) { + HAL_GPIO_WritePin(GPIO_HARD_FAULT_PORT, GPIO_HARD_FAULT_PIN, GPIO_PIN_SET); +} + +/* Set PHY GPIO_HARD_FAULT to '0' */ +void gpio_lld_phy_gpioHardFault_down(void) { + HAL_GPIO_WritePin(GPIO_HARD_FAULT_PORT, GPIO_HARD_FAULT_PIN, GPIO_PIN_RESET); +} + +/* Initialize GPIOs used by USART */ +void gpio_lld_usart_init(void) +{ + GPIO_InitTypeDef gpioinitstruct = {0}; + + /*** Configure the GPIOs ***/ + /* Enable GPIO clock */ + USART_TX_GPIO_CLK_ENABLE(); + USART_RX_GPIO_CLK_ENABLE(); + + /* Common configuration to Tx and Rx */ + gpioinitstruct.Mode = GPIO_MODE_AF_PP; + gpioinitstruct.Pull = GPIO_NOPULL; + gpioinitstruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + + /* Configure USART Tx */ + gpioinitstruct.Pin = USART_TX_PIN; + gpioinitstruct.Alternate = USART_TX_AF; + HAL_GPIO_Init(USART_TX_GPIO_PORT, &gpioinitstruct); + + /* Configure USART Rx */ + gpioinitstruct.Pin = USART_RX_PIN; + gpioinitstruct.Alternate = USART_RX_AF; + HAL_GPIO_Init(USART_RX_GPIO_PORT, &gpioinitstruct); + + /*** Configure the USART peripheral ***/ + /* Enable USART clock */ + USART_CLK_ENABLE(); +} + +/* De-initialize GPIOs used by USART */ +void gpio_lld_usart_deInit(void) { + HAL_GPIO_DeInit(USART_TX_GPIO_PORT, USART_TX_PIN); + HAL_GPIO_DeInit(USART_RX_GPIO_PORT, USART_RX_PIN); + /* Do not disable clocks as they could be used by others GPIOs and it seems + to not need power in STOP mode */ +} + +/* Initialize GPIOs used by LPUART */ +void gpio_lld_lpuart_init(void) +{ + GPIO_InitTypeDef gpioinitstruct = {0}; + + /*** Configure the GPIOs ***/ + /* Enable GPIO clock */ + LPUART_TX_GPIO_CLK_ENABLE(); + LPUART_RX_GPIO_CLK_ENABLE(); + + /* Common configuration to Tx and Rx */ + gpioinitstruct.Mode = GPIO_MODE_AF_PP; + gpioinitstruct.Pull = GPIO_NOPULL; + gpioinitstruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + + /* Configure LPUART Tx */ + gpioinitstruct.Pin = LPUART_TX_PIN; + gpioinitstruct.Alternate = LPUART_TX_AF; + HAL_GPIO_Init(LPUART_TX_GPIO_PORT, &gpioinitstruct); + + /* Configure LPUART Rx */ + gpioinitstruct.Pin = LPUART_RX_PIN; + gpioinitstruct.Alternate = LPUART_RX_AF; + HAL_GPIO_Init(LPUART_RX_GPIO_PORT, &gpioinitstruct); + + /*** Configure the LPUART peripheral ***/ + /* Enable LPUART clock */ + LPUART_CLK_ENABLE(); +} + +/* De-initialize GPIOs used by LPUART */ +void gpio_lld_lpuart_deInit(void) { + HAL_GPIO_DeInit(LPUART_TX_GPIO_PORT, LPUART_TX_PIN); + HAL_GPIO_DeInit(LPUART_RX_GPIO_PORT, LPUART_RX_PIN); + /* Do not disable clocks as they could be used by others GPIOs and it seems + to not need power in STOP mode */ +} + + + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |