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Diffstat (limited to 'firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/GPIO/gpio.c')
-rw-r--r--firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/GPIO/gpio.c458
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diff --git a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/GPIO/gpio.c b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/GPIO/gpio.c
deleted file mode 100644
index b6b83c7..0000000
--- a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/DRIVERS/GPIO/gpio.c
+++ /dev/null
@@ -1,458 +0,0 @@
-/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
-
-/*This file has been prepared for Doxygen automatic documentation generation.*/
-/*! \file *********************************************************************
- *
- * \brief GPIO driver for AVR32 UC3.
- *
- * This file defines a useful set of functions for the GPIO.
- *
- * - Compiler: IAR EWAVR32 and GNU GCC for AVR32
- * - Supported devices: All AVR32 devices with a GPIO module can be used.
- * - AppNote:
- *
- * \author Atmel Corporation: http://www.atmel.com \n
- * Support and FAQ: http://support.atmel.no/
- *
- *****************************************************************************/
-
-/* Copyright (c) 2009 Atmel Corporation. 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. The name of Atmel may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * 4. This software may only be redistributed and used in connection with an Atmel
- * AVR product.
- *
- * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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 "gpio.h"
-
-//! GPIO module instance.
-#define GPIO AVR32_GPIO
-
-
-/*! \name Peripheral Bus Interface
- */
-//! @{
-
-
-int gpio_enable_module(const gpio_map_t gpiomap, unsigned int size)
-{
- int status = GPIO_SUCCESS;
- unsigned int i;
-
- for (i = 0; i < size; i++)
- {
- status |= gpio_enable_module_pin(gpiomap->pin, gpiomap->function);
- gpiomap++;
- }
-
- return status;
-}
-
-
-int gpio_enable_module_pin(unsigned int pin, unsigned int function)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
-
- // Enable the correct function.
- switch (function)
- {
- case 0: // A function.
- gpio_port->pmr0c = 1 << (pin & 0x1F);
- gpio_port->pmr1c = 1 << (pin & 0x1F);
-#if defined(AVR32_GPIO_210_H_INCLUDED) || defined(AVR32_GPIO_211_H_INCLUDED)
- gpio_port->pmr2c = 1 << (pin & 0x1F);
-#endif
- break;
-
- case 1: // B function.
- gpio_port->pmr0s = 1 << (pin & 0x1F);
- gpio_port->pmr1c = 1 << (pin & 0x1F);
-#if defined(AVR32_GPIO_210_H_INCLUDED) || defined(AVR32_GPIO_211_H_INCLUDED)
- gpio_port->pmr2c = 1 << (pin & 0x1F);
-#endif
- break;
-
- case 2: // C function.
- gpio_port->pmr0c = 1 << (pin & 0x1F);
- gpio_port->pmr1s = 1 << (pin & 0x1F);
-#if defined(AVR32_GPIO_210_H_INCLUDED) || defined(AVR32_GPIO_211_H_INCLUDED)
- gpio_port->pmr2c = 1 << (pin & 0x1F);
-#endif
- break;
-
- case 3: // D function.
- gpio_port->pmr0s = 1 << (pin & 0x1F);
- gpio_port->pmr1s = 1 << (pin & 0x1F);
-#if defined(AVR32_GPIO_210_H_INCLUDED) || defined(AVR32_GPIO_211_H_INCLUDED)
- gpio_port->pmr2c = 1 << (pin & 0x1F);
-#endif
- break;
-
-#if defined(AVR32_GPIO_210_H_INCLUDED) || defined(AVR32_GPIO_211_H_INCLUDED)
- case 4: // E function.
- gpio_port->pmr0c = 1 << (pin & 0x1F);
- gpio_port->pmr1c = 1 << (pin & 0x1F);
- gpio_port->pmr2s = 1 << (pin & 0x1F);
- break;
-
- case 5: // F function.
- gpio_port->pmr0s = 1 << (pin & 0x1F);
- gpio_port->pmr1c = 1 << (pin & 0x1F);
- gpio_port->pmr2s = 1 << (pin & 0x1F);
- break;
-
- case 6: // G function.
- gpio_port->pmr0c = 1 << (pin & 0x1F);
- gpio_port->pmr1s = 1 << (pin & 0x1F);
- gpio_port->pmr2s = 1 << (pin & 0x1F);
- break;
-
- case 7: // H function.
- gpio_port->pmr0s = 1 << (pin & 0x1F);
- gpio_port->pmr1s = 1 << (pin & 0x1F);
- gpio_port->pmr2s = 1 << (pin & 0x1F);
- break;
-#endif
-
- default:
- return GPIO_INVALID_ARGUMENT;
- }
-
- // Disable GPIO control.
- gpio_port->gperc = 1 << (pin & 0x1F);
-
- return GPIO_SUCCESS;
-}
-
-
-void gpio_enable_gpio(const gpio_map_t gpiomap, unsigned int size)
-{
- unsigned int i;
-
- for (i = 0; i < size; i++)
- {
- gpio_enable_gpio_pin(gpiomap->pin);
- gpiomap++;
- }
-}
-
-
-void gpio_enable_gpio_pin(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->oderc = 1 << (pin & 0x1F);
- gpio_port->gpers = 1 << (pin & 0x1F);
-}
-
-
-// The open-drain mode is not synthesized on the current AVR32 products.
-// If one day some AVR32 products have this feature, the corresponding part
-// numbers should be listed in the #if below.
-// Note that other functions are available in this driver to use pins with open
-// drain in GPIO mode. The advantage of the open-drain mode functions over these
-// other functions is that they can be used not only in GPIO mode but also in
-// module mode.
-#if 0
-
-
-void gpio_enable_pin_open_drain(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->odmers = 1 << (pin & 0x1F);
-}
-
-
-void gpio_disable_pin_open_drain(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->odmerc = 1 << (pin & 0x1F);
-}
-
-
-#endif
-
-
-void gpio_enable_pin_pull_up(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->puers = 1 << (pin & 0x1F);
-#if defined(AVR32_GPIO_200_H_INCLUDED) || defined(AVR32_GPIO_210_H_INCLUDED) || defined(AVR32_GPIO_211_H_INCLUDED)
- gpio_port->pderc = 1 << (pin & 0x1F);
-#endif
-}
-
-
-void gpio_disable_pin_pull_up(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->puerc = 1 << (pin & 0x1F);
-}
-
-#if defined(AVR32_GPIO_200_H_INCLUDED) || defined(AVR32_GPIO_210_H_INCLUDED) || defined(AVR32_GPIO_211_H_INCLUDED)
-// Added support of Pull-up Resistor, Pull-down Resistor and Buskeeper Control.
-
-/*! \brief Enables the pull-down resistor of a pin.
- *
- * \param pin The pin number.
- */
-void gpio_enable_pin_pull_down(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->puerc = 1 << (pin & 0x1F);
- gpio_port->pders = 1 << (pin & 0x1F);
-}
-
-/*! \brief Disables the pull-down resistor of a pin.
- *
- * \param pin The pin number.
- */
-void gpio_disable_pin_pull_down(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->pderc = 1 << (pin & 0x1F);
-}
-
-/*! \brief Enables the buskeeper functionality on a pin.
- *
- * \param pin The pin number.
- */
-void gpio_enable_pin_buskeeper(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->puers = 1 << (pin & 0x1F);
- gpio_port->pders = 1 << (pin & 0x1F);
-}
-
-/*! \brief Disables the buskeeper functionality on a pin.
- *
- * \param pin The pin number.
- */
-void gpio_disable_pin_buskeeper(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->puerc = 1 << (pin & 0x1F);
- gpio_port->pderc = 1 << (pin & 0x1F);
-}
-
-#endif
-
-int gpio_get_pin_value(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- return (gpio_port->pvr >> (pin & 0x1F)) & 1;
-}
-
-
-int gpio_get_gpio_pin_output_value(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- return (gpio_port->ovr >> (pin & 0x1F)) & 1;
-}
-
-
-int gpio_get_gpio_open_drain_pin_output_value(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- return ((gpio_port->oder >> (pin & 0x1F)) & 1) ^ 1;
-}
-
-
-void gpio_set_gpio_pin(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
-
- gpio_port->ovrs = 1 << (pin & 0x1F); // Value to be driven on the I/O line: 1.
- gpio_port->oders = 1 << (pin & 0x1F); // The GPIO output driver is enabled for that pin.
- gpio_port->gpers = 1 << (pin & 0x1F); // The GPIO module controls that pin.
-}
-
-
-void gpio_clr_gpio_pin(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
-
- gpio_port->ovrc = 1 << (pin & 0x1F); // Value to be driven on the I/O line: 0.
- gpio_port->oders = 1 << (pin & 0x1F); // The GPIO output driver is enabled for that pin.
- gpio_port->gpers = 1 << (pin & 0x1F); // The GPIO module controls that pin.
-}
-
-
-void gpio_tgl_gpio_pin(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
-
- gpio_port->ovrt = 1 << (pin & 0x1F); // Toggle the I/O line.
- gpio_port->oders = 1 << (pin & 0x1F); // The GPIO output driver is enabled for that pin.
- gpio_port->gpers = 1 << (pin & 0x1F); // The GPIO module controls that pin.
-}
-
-
-void gpio_set_gpio_open_drain_pin(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
-
- gpio_port->oderc = 1 << (pin & 0x1F); // The GPIO output driver is disabled for that pin.
- gpio_port->gpers = 1 << (pin & 0x1F); // The GPIO module controls that pin.
-}
-
-
-void gpio_clr_gpio_open_drain_pin(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
-
- gpio_port->ovrc = 1 << (pin & 0x1F); // Value to be driven on the I/O line: 0.
- gpio_port->oders = 1 << (pin & 0x1F); // The GPIO output driver is enabled for that pin.
- gpio_port->gpers = 1 << (pin & 0x1F); // The GPIO module controls that pin.
-}
-
-
-void gpio_tgl_gpio_open_drain_pin(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
-
- gpio_port->ovrc = 1 << (pin & 0x1F); // Value to be driven on the I/O line if the GPIO output driver is enabled: 0.
- gpio_port->odert = 1 << (pin & 0x1F); // The GPIO output driver is toggled for that pin.
- gpio_port->gpers = 1 << (pin & 0x1F); // The GPIO module controls that pin.
-}
-
-
-void gpio_enable_pin_glitch_filter(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->gfers = 1 << (pin & 0x1F);
-}
-
-
-void gpio_disable_pin_glitch_filter(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->gferc = 1 << (pin & 0x1F);
-}
-
-/*! \brief Configure the edge detector of an input pin
- *
- * \param pin The pin number.
- * \param mode The edge detection mode (\ref GPIO_PIN_CHANGE, \ref GPIO_RISING_EDGE
- * or \ref GPIO_FALLING_EDGE).
- *
- * \return \ref GPIO_SUCCESS or \ref GPIO_INVALID_ARGUMENT.
- */
-static int gpio_configure_edge_detector(unsigned int pin, unsigned int mode)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
-
- // Configure the edge detector.
- switch (mode)
- {
- case GPIO_PIN_CHANGE:
- gpio_port->imr0c = 1 << (pin & 0x1F);
- gpio_port->imr1c = 1 << (pin & 0x1F);
- break;
-
- case GPIO_RISING_EDGE:
- gpio_port->imr0s = 1 << (pin & 0x1F);
- gpio_port->imr1c = 1 << (pin & 0x1F);
- break;
-
- case GPIO_FALLING_EDGE:
- gpio_port->imr0c = 1 << (pin & 0x1F);
- gpio_port->imr1s = 1 << (pin & 0x1F);
- break;
-
- default:
- return GPIO_INVALID_ARGUMENT;
- }
-
- return GPIO_SUCCESS;
-}
-
-
-int gpio_enable_pin_interrupt(unsigned int pin, unsigned int mode)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
-
- // Enable the glitch filter.
- gpio_port->gfers = 1 << (pin & 0x1F);
-
- // Configure the edge detector.
- if(GPIO_INVALID_ARGUMENT == gpio_configure_edge_detector(pin, mode))
- return(GPIO_INVALID_ARGUMENT);
-
- // Enable interrupt.
- gpio_port->iers = 1 << (pin & 0x1F);
-
- return GPIO_SUCCESS;
-}
-
-
-void gpio_disable_pin_interrupt(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->ierc = 1 << (pin & 0x1F);
-}
-
-
-int gpio_get_pin_interrupt_flag(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- return (gpio_port->ifr >> (pin & 0x1F)) & 1;
-}
-
-
-void gpio_clear_pin_interrupt_flag(unsigned int pin)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
- gpio_port->ifrc = 1 << (pin & 0x1F);
-}
-
-
-//#
-//# Peripheral Event System Support.
-//#
-#if UC3L
-int gpio_configure_pin_periph_event_mode(unsigned int pin, unsigned int mode, unsigned int use_igf)
-{
- volatile avr32_gpio_port_t *gpio_port = &GPIO.port[pin >> 5];
-
- if(TRUE == use_igf)
- {
- // Enable the glitch filter.
- gpio_port->gfers = 1 << (pin & 0x1F);
- }
- else
- {
- // Disable the glitch filter.
- gpio_port->gferc = 1 << (pin & 0x1F);
- }
-
- // Configure the edge detector.
- return(gpio_configure_edge_detector(pin, mode));
-}
-
-#endif
-
-//! @}