Diff: targets/hal/TARGET_WIZNET/TARGET_W7500x/pinmap.c

Revision:

558:0880f51c4036

Child:

567:a97fd0eca828

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_WIZNET/TARGET_W7500x/pinmap.c	Wed Jun 03 09:00:09 2015 +0100
@@ -0,0 +1,154 @@
+/* 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"
+
+
+// GPIO mode look-up table
+// It have to same with PinMode index in "PinNames.h"
+static const uint32_t gpio_pupd[4] = {
+    GPIO_NO_PUPD,           //  PullNone
+    GPIO_PuPd_DOWN,         //  PullDown
+    GPIO_PuPd_UP,           //  PullUp
+    GPIO_OD                 //  OpenDrain
+};
+
+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;
+
+    if( mode == WIZ_MODE_AF )
+        afnum = WIZ_PIN_AFNUM(data);
+    else
+        afnum = WIZ_AFNUM(pin);
+
+    uint32_t port_index = WIZ_PORT(pin);
+    uint32_t pin_index  = WIZ_PIN(pin);
+
+
+    uint32_t gpio_add = Get_GPIO_BaseAddress(port_index);
+    GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add;
+
+    // Configure Alternate Function
+    // Warning: Must be done before the GPIO is initialized
+    switch (afnum) {
+        case 0:
+            HAL_PAD_AFConfig(port_index,(uint32_t)(1 << pin_index),Px_AFSR_AF0);
+            break;
+        case 1:
+            HAL_PAD_AFConfig(port_index,(uint32_t)(1 << pin_index),Px_AFSR_AF1);
+            break;
+        case 2:
+            HAL_PAD_AFConfig(port_index,(uint32_t)(1 << pin_index),Px_AFSR_AF2);
+            break;
+        case 3:
+            HAL_PAD_AFConfig(port_index,(uint32_t)(1 << pin_index),Px_AFSR_AF3);
+            break;
+        default:
+            break;
+    }
+
+    if(mode == WIZ_MODE_AF)
+        return;
+
+    // Configure GPIO
+    GPIO_InitTypeDef GPIO_InitStructure;
+    GPIO_InitStructure.GPIO_Pin       = (uint32_t)(1 << pin_index);
+    GPIO_InitStructure.GPIO_Mode      = mode;
+    GPIO_InitStructure.GPIO_Pad       = gpio_pupd[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);
+
+    P_Port_Def *px_pcr;
+
+    uint32_t port_index = WIZ_PORT(pin);
+
+    switch(port_index)    {
+        case PortA:
+            px_pcr = PA_PCR;
+            break;
+        case PortB:
+            px_pcr = PB_PCR;
+            break;
+        case PortC:
+            px_pcr = PC_PCR;
+            break;
+        case PortD:
+            px_pcr = (P_Port_Def*)PD_PCR;
+            break;
+        default:
+            error("Pinmap error: wrong port number.");
+            return;
+    }
+
+    px_pcr->Port[port_index] &= ~(Px_PCR_PUPD_DOWN|Px_PCR_PUPD_UP|Px_PCR_DS_HIGH| \
+                                  Px_PCR_OD | Px_PCR_IE | Px_PCR_CS_SUMMIT);
+    px_pcr->Port[port_index] |= gpio_pupd[pupd];
+}