Diff: targets/TARGET_WIZNET/TARGET_W7500x/pinmap.c

Revision:

149:156823d33999

Parent:

144:ef7eb2e8f9f7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_WIZNET/TARGET_W7500x/pinmap.c	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,137 @@
+/* mbed Microcontroller Library 
+ *******************************************************************************
+ * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
+ * 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 ARM Limited 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.
+ *******************************************************************************
+ */
+ 
+#include "mbed_assert.h"
+#include "pinmap.h"
+#include "PortNames.h"
+#include "mbed_error.h"
+#include "W7500x.h"
+#include "W7500x_gpio.h"
+
+
+uint32_t Get_GPIO_BaseAddress(uint32_t port_idx)
+{
+    uint32_t gpio_add = 0;
+    switch(port_idx)    {
+        case PortA:
+            gpio_add = GPIOA_BASE;
+            break;
+        case PortB:
+            gpio_add = GPIOB_BASE;
+            break;
+        case PortC:
+            gpio_add = GPIOC_BASE;
+            break;
+        case PortD:
+            gpio_add = GPIOD_BASE;
+            break;
+        default:
+            error("Pinmap error: wrong port number.");
+            break;
+    }
+    return gpio_add;
+}
+
+/**
+ * Configure pin (input, output, alternate function or analog) + output speed + AF
+ */
+
+void pin_function(PinName pin, int data) {
+    MBED_ASSERT(pin != (PinName)NC);
+    // Get the pin informations
+    uint32_t mode  = WIZ_PIN_MODE(data);
+    uint32_t pupd  = WIZ_PIN_PUPD(data);
+    uint32_t afnum = WIZ_PIN_AFNUM(data);
+    
+    uint32_t port_num = WIZ_PORT(pin);
+    uint32_t pin_index  = WIZ_PIN_INDEX(pin);
+    
+    GPIO_TypeDef *gpio;
+
+    // Configure Alternate Function
+    // Warning: Must be done before the GPIO is initialized
+    switch (afnum) {
+        case 0:
+            HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF0);
+            break;
+        case 1:
+            HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF1);
+            break;
+        case 2:
+            HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF2);
+            break;
+        case 3:
+            HAL_PAD_AFConfig((PAD_Type)port_num, (uint16_t)pin_index, (PAD_AF_TypeDef)Px_AFSR_AF3);
+            break;
+        default:
+            break;
+    }
+
+    if(mode == WIZ_MODE_AF)
+        return;
+
+    // Configure GPIO
+    gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(port_num);
+    
+    GPIO_InitTypeDef GPIO_InitStructure;
+    GPIO_InitStructure.GPIO_Pin       = pin_index;
+    GPIO_InitStructure.GPIO_Mode      = (GPIOMode_TypeDef)mode;
+    GPIO_InitStructure.GPIO_Pad       = (GPIOPad_TypeDef)pupd;
+    HAL_GPIO_Init(gpio, &GPIO_InitStructure);
+}
+
+/**
+ * Configure pin pull-up/pull-down
+ */
+void pin_mode(PinName pin, PinMode pupd)
+{
+    MBED_ASSERT(pin != (PinName)NC);
+   
+    uint32_t port_num = WIZ_PORT(pin);
+    uint32_t pin_num = WIZ_PIN_NUM(pin);
+
+    switch(port_num)    {
+        case PortA:
+            PA_PCR->Port[pin_num] |= pupd;
+            break;
+        case PortB:
+            PB_PCR->Port[pin_num] |= pupd;
+            break;
+        case PortC:
+            PC_PCR->Port[pin_num] |= pupd;
+            break;
+        case PortD:
+            PD_PCR->Port[pin_num] |= pupd;
+            break;
+        default:
+            error("Pinmap error: wrong port number.");            
+            return;
+    }
+}