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Diff: targets/TARGET_STM/TARGET_STM32F4/pin_device.h
- Revision:
- 0:13413ea9a877
diff -r 000000000000 -r 13413ea9a877 targets/TARGET_STM/TARGET_STM32F4/pin_device.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32F4/pin_device.h Sun Jun 12 14:02:44 2022 +0000
@@ -0,0 +1,139 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2016, STMicroelectronics
+ * All rights reserved.
+ *
+ * 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.
+ *******************************************************************************
+ */
+#ifndef MBED_PIN_DEVICE_H
+#define MBED_PIN_DEVICE_H
+
+#include "cmsis.h"
+
+// when LL is available, below include can be used
+// #include "stm32f4xx_ll_gpio.h"
+// until then let's define locally the required functions
+#define LL_GPIO_PIN_0 GPIO_BSRR_BS_0 /*!< Select pin 0 */
+#define LL_GPIO_PIN_1 GPIO_BSRR_BS_1 /*!< Select pin 1 */
+#define LL_GPIO_PIN_2 GPIO_BSRR_BS_2 /*!< Select pin 2 */
+#define LL_GPIO_PIN_3 GPIO_BSRR_BS_3 /*!< Select pin 3 */
+#define LL_GPIO_PIN_4 GPIO_BSRR_BS_4 /*!< Select pin 4 */
+#define LL_GPIO_PIN_5 GPIO_BSRR_BS_5 /*!< Select pin 5 */
+#define LL_GPIO_PIN_6 GPIO_BSRR_BS_6 /*!< Select pin 6 */
+#define LL_GPIO_PIN_7 GPIO_BSRR_BS_7 /*!< Select pin 7 */
+#define LL_GPIO_PIN_8 GPIO_BSRR_BS_8 /*!< Select pin 8 */
+#define LL_GPIO_PIN_9 GPIO_BSRR_BS_9 /*!< Select pin 9 */
+#define LL_GPIO_PIN_10 GPIO_BSRR_BS_10 /*!< Select pin 10 */
+#define LL_GPIO_PIN_11 GPIO_BSRR_BS_11 /*!< Select pin 11 */
+#define LL_GPIO_PIN_12 GPIO_BSRR_BS_12 /*!< Select pin 12 */
+#define LL_GPIO_PIN_13 GPIO_BSRR_BS_13 /*!< Select pin 13 */
+#define LL_GPIO_PIN_14 GPIO_BSRR_BS_14 /*!< Select pin 14 */
+#define LL_GPIO_PIN_15 GPIO_BSRR_BS_15 /*!< Select pin 15 */
+
+#define LL_GPIO_MODE_INPUT ((uint32_t)0x00000000U) /*!< Select input mode */
+#define LL_GPIO_MODE_OUTPUT GPIO_MODER_MODER0_0 /*!< Select output mode */
+#define LL_GPIO_MODE_ALTERNATE GPIO_MODER_MODER0_1 /*!< Select alternate function mode */
+#define LL_GPIO_MODE_ANALOG GPIO_MODER_MODER0 /*!< Select analog mode */
+
+#define LL_GPIO_OUTPUT_PUSHPULL ((uint32_t)0x00000000U) /*!< Select push-pull as output type */
+#define LL_GPIO_OUTPUT_OPENDRAIN GPIO_OTYPER_OT_0 /*!< Select open-drain as output type */
+
+#define LL_GPIO_PULL_NO ((uint32_t)0x00000000U) /*!< Select I/O no pull */
+#define LL_GPIO_PULL_UP GPIO_PUPDR_PUPDR0_0 /*!< Select I/O pull up */
+#define LL_GPIO_PULL_DOWN GPIO_PUPDR_PUPDR0_1 /*!< Select I/O pull down */
+
+#define LL_GPIO_SPEED_FREQ_LOW ((uint32_t)0x00000000U) /*!< Select I/O low output speed */
+#define LL_GPIO_SPEED_FREQ_MEDIUM GPIO_OSPEEDER_OSPEEDR0_0 /*!< Select I/O medium output speed */
+#define LL_GPIO_SPEED_FREQ_HIGH GPIO_OSPEEDER_OSPEEDR0_1 /*!< Select I/O fast output speed */
+#define LL_GPIO_SPEED_FREQ_VERY_HIGH GPIO_OSPEEDER_OSPEEDR0 /*!< Select I/O high output speed */
+
+__STATIC_INLINE void LL_GPIO_SetAFPin_0_7(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Alternate)
+{
+ MODIFY_REG(GPIOx->AFR[0], (0xFU << (POSITION_VAL(Pin) * 4U)),
+ (Alternate << (POSITION_VAL(Pin) * 4U)));
+}
+__STATIC_INLINE void LL_GPIO_SetAFPin_8_15(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Alternate)
+{
+ MODIFY_REG(GPIOx->AFR[1], (0xFU << (POSITION_VAL(Pin >> 8U) * 4U)),
+ (Alternate << (POSITION_VAL(Pin >> 8U) * 4U)));
+}
+__STATIC_INLINE void LL_GPIO_SetPinMode(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Mode)
+{
+ MODIFY_REG(GPIOx->MODER, (GPIO_MODER_MODER0 << (POSITION_VAL(Pin) * 2U)), (Mode << (POSITION_VAL(Pin) * 2U)));
+}
+__STATIC_INLINE uint32_t LL_GPIO_GetPinMode(GPIO_TypeDef *GPIOx, uint32_t Pin)
+{
+ return (uint32_t)(READ_BIT(GPIOx->MODER, ((Pin * Pin) * GPIO_MODER_MODER0)) / (Pin * Pin));
+}
+__STATIC_INLINE void LL_GPIO_SetPinPull(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Pull)
+{
+ MODIFY_REG(GPIOx->PUPDR, (GPIO_PUPDR_PUPDR0 << (POSITION_VAL(Pin) * 2U)), (Pull << (POSITION_VAL(Pin) * 2U)));
+}
+__STATIC_INLINE void LL_GPIO_SetPinOutputType(GPIO_TypeDef *GPIOx, uint32_t PinMask, uint32_t OutputType)
+{
+ MODIFY_REG(GPIOx->OTYPER, PinMask, (PinMask * OutputType));
+}
+__STATIC_INLINE void LL_GPIO_SetPinSpeed(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Speed)
+{
+ MODIFY_REG(GPIOx->OSPEEDR, (GPIO_OSPEEDER_OSPEEDR0 << (POSITION_VAL(Pin) * 2U)),
+ (Speed << (POSITION_VAL(Pin) * 2U)));
+}
+// Above lines shall be defined in LL when available
+
+extern const uint32_t ll_pin_defines[16];
+
+/* Family specific implementations */
+static inline void stm_pin_DisconnectDebug(PinName pin)
+{
+ /* empty for now */
+}
+
+static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
+{
+ switch (pull_config) {
+ case GPIO_PULLUP:
+ LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
+ break;
+ case GPIO_PULLDOWN:
+ LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
+ break;
+ default:
+ LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_NO);
+ break;
+ }
+}
+
+static inline void stm_pin_SetAFPin( GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
+{
+ uint32_t ll_pin = ll_pin_defines[STM_PIN(pin)];
+
+ if (STM_PIN(pin) > 7)
+ LL_GPIO_SetAFPin_8_15(gpio, ll_pin, afnum);
+ else
+ LL_GPIO_SetAFPin_0_7(gpio, ll_pin, afnum);
+}
+
+#endif
+