+++ /dev/null
-/*******************************************************************************
- * Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
- * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of Maxim Integrated
- * Products, Inc. shall not be used except as stated in the Maxim Integrated
- * Products, Inc. Branding Policy.
- *
- * The mere transfer of this software does not imply any licenses
- * of trade secrets, proprietary technology, copyrights, patents,
- * trademarks, maskwork rights, or any other form of intellectual
- * property whatsoever. Maxim Integrated Products, Inc. retains all
- * ownership rights.
- *******************************************************************************
- */
-
-#include "mbed_assert.h"
-#include "gpio_api.h"
-#include "pinmap.h"
-#include "gpio_regs.h"
-#include "clkman_regs.h"
-
-uint32_t gpio_set(PinName name)
-{
- MBED_ASSERT(name != (PinName)NC);
- pin_function(name, 0);
- return 1 << PINNAME_TO_PIN(name);
-}
-
-void gpio_init(gpio_t *obj, PinName name)
-{
- obj->name = name;
- if (name == (PinName)NC) {
- return;
- }
-
- unsigned int port = PINNAME_TO_PORT(name);
- unsigned int pin = PINNAME_TO_PIN(name);
-
- obj->reg_out = (uint32_t*)BITBAND(&MXC_GPIO->out_val[port], pin);
- obj->reg_in = (uint32_t*)BITBAND(&MXC_GPIO->in_val[port], pin);
-
- /* Ensure that the GPIO clock is enabled */
- if (MXC_CLKMAN->clk_ctrl_1_gpio == MXC_E_CLKMAN_CLK_SCALE_DISABLED) {
- MXC_CLKMAN->clk_ctrl_1_gpio = MXC_E_CLKMAN_CLK_SCALE_ENABLED;
- }
-}
-
-void gpio_mode(gpio_t *obj, PinMode mode)
-{
- pin_mode(obj->name, mode);
-}
-
-void pin_dir(PinName name, PinDirection direction)
-{
- MBED_ASSERT(name != (PinName)NC);
-
- unsigned int port = PINNAME_TO_PORT(name);
- unsigned int pin = PINNAME_TO_PIN(name);
-
- /* Set function */
- MXC_GPIO->func_sel[port] &= ~(0xF << (4 * pin));
-
- /* Normal input is always enabled */
- MXC_GPIO->in_mode[port] &= ~(0xF << (4 * pin));
-
- /* Set requested output mode */
- uint32_t out_mode = MXC_GPIO->out_mode[port];
- out_mode &= ~(0xF << (4 * pin));
- out_mode |= (direction << (4 * pin));
- MXC_GPIO->out_mode[port] = out_mode;
-}
-
-void gpio_dir(gpio_t *obj, PinDirection direction)
-{
- pin_dir(obj->name, direction);
-}