Diff: targets/TARGET_STM/TARGET_STM32F1/pin_device.h

Revision:

160:d5399cc887bb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32F1/pin_device.h	Tue Mar 14 16:40:56 2017 +0000
@@ -0,0 +1,119 @@
+/* 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 "stm32f1xx_ll_gpio.h"
+
+extern const uint32_t ll_pin_defines[16];
+
+static inline void stm_pin_DisconnectDebug(PinName pin)
+{
+    // Disconnect JTAG-DP + SW-DP signals.
+    // Warning: Need to reconnect under reset
+    if ((pin == PA_13) || (pin == PA_14)) {
+        __HAL_AFIO_REMAP_SWJ_DISABLE(); // JTAG-DP Disabled and SW-DP Disabled
+    }
+    if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
+        __HAL_AFIO_REMAP_SWJ_NOJTAG(); // JTAG-DP Disabled and SW-DP enabled
+    }
+}
+
+/*  The AF selection of F1 family is specific compared to others */
+static inline void stm_pin_SetAFPin(GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
+{
+    // Enable AFIO clock
+    __HAL_RCC_AFIO_CLK_ENABLE();
+
+    if (afnum > 0) {
+        switch (afnum) {
+        case 1: // Remap SPI1
+            __HAL_AFIO_REMAP_SPI1_ENABLE();
+            break;
+        case 2: // Remap I2C1
+            __HAL_AFIO_REMAP_I2C1_ENABLE();
+            break;
+        case 3: // Remap USART1
+            __HAL_AFIO_REMAP_USART1_ENABLE();
+            break;
+        case 4: // Remap USART2
+            __HAL_AFIO_REMAP_USART2_ENABLE();
+            break;
+        case 5: // Partial Remap USART3
+            __HAL_AFIO_REMAP_USART3_PARTIAL();
+            break;
+        case 6: // Partial Remap TIM1
+            __HAL_AFIO_REMAP_TIM1_PARTIAL();
+            break;
+        case 7: // Partial Remap TIM3
+            __HAL_AFIO_REMAP_TIM3_PARTIAL();
+            break;
+        case 8: // Full Remap TIM2
+            __HAL_AFIO_REMAP_TIM2_ENABLE();
+            break;
+        case 9: // Full Remap TIM3
+            __HAL_AFIO_REMAP_TIM3_ENABLE();
+            break;
+#if defined(AFIO_MAPR_CAN_REMAP_REMAP1)
+        case 10: // CAN_RX mapped to PB8, CAN_TX mapped to PB9
+            __HAL_AFIO_REMAP_CAN1_2();
+            break;
+#endif
+        default:
+            break;
+        }
+    }
+}
+
+static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
+{
+    uint32_t function = LL_GPIO_GetPinMode(gpio, ll_pin);
+
+    switch (pull_config) {
+        case GPIO_PULLUP:
+            if (function == LL_GPIO_MODE_FLOATING)
+                LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_INPUT);
+            LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
+            break;
+        case GPIO_PULLDOWN:
+            if (function == LL_GPIO_MODE_FLOATING)
+                LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_INPUT);
+            LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
+            break;
+        default:
+            /*  Input+NoPull = Floating for F1 family */
+            if (function == LL_GPIO_MODE_INPUT)
+                LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_FLOATING);
+            break;
+    }
+}
+
+#endif