Diff: targets/TARGET_STM/TARGET_STM32L4/pin_device.h

Revision:

160:d5399cc887bb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32L4/pin_device.h	Tue Mar 14 16:40:56 2017 +0000
@@ -0,0 +1,69 @@
+/* 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"
+#include "stm32l4xx_ll_gpio.h"
+
+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