diff options
Diffstat (limited to 'firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/BOARDS/ARDUINO/led.c')
-rw-r--r-- | firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/BOARDS/ARDUINO/led.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/BOARDS/ARDUINO/led.c b/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/BOARDS/ARDUINO/led.c deleted file mode 100644 index d7cd439..0000000 --- a/firmwares/wifishield/wifi_dnld/src/SOFTWARE_FRAMEWORK/BOARDS/ARDUINO/led.c +++ /dev/null @@ -1,346 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/*This file is prepared for Doxygen automatic documentation generation.*/ -/*! \file ********************************************************************* - * - * \brief AT32UC3A EVK1100 board LEDs support package. - * - * This file contains definitions and services related to the LED features of - * the EVK1100 board. - * - * - Compiler: IAR EWAVR32 and GNU GCC for AVR32 - * - Supported devices: All AVR32 AT32UC3A devices 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 <avr32/io.h> -#include "preprocessor.h" -#include "compiler.h" -#include "arduino.h" -#include "led.h" - - -//! Structure describing LED hardware connections. -typedef const struct -{ - struct - { - U32 PORT; //!< LED GPIO port. - U32 PIN_MASK; //!< Bit-mask of LED pin in GPIO port. - } GPIO; //!< LED GPIO descriptor. - struct - { - S32 CHANNEL; //!< LED PWM channel (< 0 if N/A). - S32 FUNCTION; //!< LED pin PWM function (< 0 if N/A). - } PWM; //!< LED PWM descriptor. -} tLED_DESCRIPTOR; - - -//! Hardware descriptors of all LEDs. -static tLED_DESCRIPTOR LED_DESCRIPTOR[LED_COUNT] = -{ -#define INSERT_LED_DESCRIPTOR(LED_NO, unused) \ - { \ - {LED##LED_NO##_GPIO / 32, 1 << (LED##LED_NO##_GPIO % 32)},\ - {LED##LED_NO##_PWM, LED##LED_NO##_PWM_FUNCTION } \ - }, - MREPEAT(LED_COUNT, INSERT_LED_DESCRIPTOR, ~) -#undef INSERT_LED_DESCRIPTOR -}; - - -//! Saved state of all LEDs. -static volatile U32 LED_State = (1 << LED_COUNT) - 1; - - -U32 LED_Read_Display(void) -{ - return LED_State; -} - - -void LED_Display(U32 leds) -{ - // Use the LED descriptors to get the connections of a given LED to the MCU. - tLED_DESCRIPTOR *led_descriptor; - volatile avr32_gpio_port_t *led_gpio_port; - - // Make sure only existing LEDs are specified. - leds &= (1 << LED_COUNT) - 1; - - // Update the saved state of all LEDs with the requested changes. - LED_State = leds; - - // For all LEDs... - for (led_descriptor = &LED_DESCRIPTOR[0]; - led_descriptor < LED_DESCRIPTOR + LED_COUNT; - led_descriptor++) - { - // Set the LED to the requested state. - led_gpio_port = &AVR32_GPIO.port[led_descriptor->GPIO.PORT]; - if (leds & 1) - { - led_gpio_port->ovrc = led_descriptor->GPIO.PIN_MASK; - } - else - { - led_gpio_port->ovrs = led_descriptor->GPIO.PIN_MASK; - } - led_gpio_port->oders = led_descriptor->GPIO.PIN_MASK; - led_gpio_port->gpers = led_descriptor->GPIO.PIN_MASK; - leds >>= 1; - } -} - - -U32 LED_Read_Display_Mask(U32 mask) -{ - return Rd_bits(LED_State, mask); -} - - -void LED_Display_Mask(U32 mask, U32 leds) -{ - // Use the LED descriptors to get the connections of a given LED to the MCU. - tLED_DESCRIPTOR *led_descriptor = &LED_DESCRIPTOR[0] - 1; - volatile avr32_gpio_port_t *led_gpio_port; - U8 led_shift; - - // Make sure only existing LEDs are specified. - mask &= (1 << LED_COUNT) - 1; - - // Update the saved state of all LEDs with the requested changes. - Wr_bits(LED_State, mask, leds); - - // While there are specified LEDs left to manage... - while (mask) - { - // Select the next specified LED and set it to the requested state. - led_shift = 1 + ctz(mask); - led_descriptor += led_shift; - led_gpio_port = &AVR32_GPIO.port[led_descriptor->GPIO.PORT]; - leds >>= led_shift - 1; - if (leds & 1) - { - led_gpio_port->ovrc = led_descriptor->GPIO.PIN_MASK; - } - else - { - led_gpio_port->ovrs = led_descriptor->GPIO.PIN_MASK; - } - led_gpio_port->oders = led_descriptor->GPIO.PIN_MASK; - led_gpio_port->gpers = led_descriptor->GPIO.PIN_MASK; - leds >>= 1; - mask >>= led_shift; - } -} - - -Bool LED_Test(U32 leds) -{ - return Tst_bits(LED_State, leds); -} - - -void LED_Off(U32 leds) -{ - // Use the LED descriptors to get the connections of a given LED to the MCU. - tLED_DESCRIPTOR *led_descriptor = &LED_DESCRIPTOR[0] - 1; - volatile avr32_gpio_port_t *led_gpio_port; - U8 led_shift; - - // Make sure only existing LEDs are specified. - leds &= (1 << LED_COUNT) - 1; - - // Update the saved state of all LEDs with the requested changes. - Clr_bits(LED_State, leds); - - // While there are specified LEDs left to manage... - while (leds) - { - // Select the next specified LED and turn it off. - led_shift = 1 + ctz(leds); - led_descriptor += led_shift; - led_gpio_port = &AVR32_GPIO.port[led_descriptor->GPIO.PORT]; - led_gpio_port->ovrs = led_descriptor->GPIO.PIN_MASK; - led_gpio_port->oders = led_descriptor->GPIO.PIN_MASK; - led_gpio_port->gpers = led_descriptor->GPIO.PIN_MASK; - leds >>= led_shift; - } -} - - -void LED_On(U32 leds) -{ - // Use the LED descriptors to get the connections of a given LED to the MCU. - tLED_DESCRIPTOR *led_descriptor = &LED_DESCRIPTOR[0] - 1; - volatile avr32_gpio_port_t *led_gpio_port; - U8 led_shift; - - // Make sure only existing LEDs are specified. - leds &= (1 << LED_COUNT) - 1; - - // Update the saved state of all LEDs with the requested changes. - Set_bits(LED_State, leds); - - // While there are specified LEDs left to manage... - while (leds) - { - // Select the next specified LED and turn it on. - led_shift = 1 + ctz(leds); - led_descriptor += led_shift; - led_gpio_port = &AVR32_GPIO.port[led_descriptor->GPIO.PORT]; - led_gpio_port->ovrc = led_descriptor->GPIO.PIN_MASK; - led_gpio_port->oders = led_descriptor->GPIO.PIN_MASK; - led_gpio_port->gpers = led_descriptor->GPIO.PIN_MASK; - leds >>= led_shift; - } -} - - -void LED_Toggle(U32 leds) -{ - // Use the LED descriptors to get the connections of a given LED to the MCU. - tLED_DESCRIPTOR *led_descriptor = &LED_DESCRIPTOR[0] - 1; - volatile avr32_gpio_port_t *led_gpio_port; - U8 led_shift; - - // Make sure only existing LEDs are specified. - leds &= (1 << LED_COUNT) - 1; - - // Update the saved state of all LEDs with the requested changes. - Tgl_bits(LED_State, leds); - - // While there are specified LEDs left to manage... - while (leds) - { - // Select the next specified LED and toggle it. - led_shift = 1 + ctz(leds); - led_descriptor += led_shift; - led_gpio_port = &AVR32_GPIO.port[led_descriptor->GPIO.PORT]; - led_gpio_port->ovrt = led_descriptor->GPIO.PIN_MASK; - led_gpio_port->oders = led_descriptor->GPIO.PIN_MASK; - led_gpio_port->gpers = led_descriptor->GPIO.PIN_MASK; - leds >>= led_shift; - } -} - - -U32 LED_Read_Display_Field(U32 field) -{ - return Rd_bitfield(LED_State, field); -} - - -void LED_Display_Field(U32 field, U32 leds) -{ - // Move the bit-field to the appropriate position for the bit-mask. - LED_Display_Mask(field, leds << ctz(field)); -} - - -U8 LED_Get_Intensity(U32 led) -{ - tLED_DESCRIPTOR *led_descriptor; - - // Check that the argument value is valid. - led = ctz(led); - led_descriptor = &LED_DESCRIPTOR[led]; - if (led >= LED_COUNT || led_descriptor->PWM.CHANNEL < 0) return 0; - - // Return the duty cycle value if the LED PWM channel is enabled, else 0. - return (AVR32_PWM.sr & (1 << led_descriptor->PWM.CHANNEL)) ? - AVR32_PWM.channel[led_descriptor->PWM.CHANNEL].cdty : 0; -} - - -void LED_Set_Intensity(U32 leds, U8 intensity) -{ - tLED_DESCRIPTOR *led_descriptor = &LED_DESCRIPTOR[0] - 1; - volatile avr32_pwm_channel_t *led_pwm_channel; - volatile avr32_gpio_port_t *led_gpio_port; - U8 led_shift; - - // For each specified LED... - for (leds &= (1 << LED_COUNT) - 1; leds; leds >>= led_shift) - { - // Select the next specified LED and check that it has a PWM channel. - led_shift = 1 + ctz(leds); - led_descriptor += led_shift; - if (led_descriptor->PWM.CHANNEL < 0) continue; - - // Initialize or update the LED PWM channel. - led_pwm_channel = &AVR32_PWM.channel[led_descriptor->PWM.CHANNEL]; - if (!(AVR32_PWM.sr & (1 << led_descriptor->PWM.CHANNEL))) - { - led_pwm_channel->cmr = (AVR32_PWM_CPRE_MCK << AVR32_PWM_CPRE_OFFSET) & - ~(AVR32_PWM_CALG_MASK | - AVR32_PWM_CPOL_MASK | - AVR32_PWM_CPD_MASK); - led_pwm_channel->cprd = 0x000000FF; - led_pwm_channel->cdty = intensity; - AVR32_PWM.ena = 1 << led_descriptor->PWM.CHANNEL; - } - else - { - AVR32_PWM.isr; - while (!(AVR32_PWM.isr & (1 << led_descriptor->PWM.CHANNEL))); - led_pwm_channel->cupd = intensity; - } - - // Switch the LED pin to its PWM function. - led_gpio_port = &AVR32_GPIO.port[led_descriptor->GPIO.PORT]; - if (led_descriptor->PWM.FUNCTION & 0x1) - { - led_gpio_port->pmr0s = led_descriptor->GPIO.PIN_MASK; - } - else - { - led_gpio_port->pmr0c = led_descriptor->GPIO.PIN_MASK; - } - if (led_descriptor->PWM.FUNCTION & 0x2) - { - led_gpio_port->pmr1s = led_descriptor->GPIO.PIN_MASK; - } - else - { - led_gpio_port->pmr1c = led_descriptor->GPIO.PIN_MASK; - } - led_gpio_port->gperc = led_descriptor->GPIO.PIN_MASK; - } -} |