From 3a282de9331ea261eeadca0dd36c0527f173dd4c Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Wed, 7 Nov 2012 23:18:51 +0200 Subject: Move RGB and button drivers 2 dirs up --- drivers/rgb.h | 143 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 drivers/rgb.h (limited to 'drivers/rgb.h') diff --git a/drivers/rgb.h b/drivers/rgb.h new file mode 100644 index 0000000..27d2276 --- /dev/null +++ b/drivers/rgb.h @@ -0,0 +1,143 @@ +//***************************************************************************** +// +// rgb.h - Prototypes for the evaluation board RGB LED driver. +// +// Copyright (c) 2012 Texas Instruments Incorporated. All rights reserved. +// Software License Agreement +// +// Texas Instruments (TI) is supplying this software for use solely and +// exclusively on TI's microcontroller products. The software is owned by +// TI and/or its suppliers, and is protected under applicable copyright +// laws. You may not combine this software with "viral" open-source +// software in order to form a larger program. +// +// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS. +// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT +// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY +// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL +// DAMAGES, FOR ANY REASON WHATSOEVER. +// +// This is part of revision 9453 of the EK-LM4F120XL Firmware Package. +// +//***************************************************************************** + +#ifndef __RGBLED_H__ +#define __RGBLED_H__ + +//***************************************************************************** +// +// Defines for the hardware resources used by the pushbuttons. +// +// The switches are on the following ports/pins: +// +// PF1 - RED (632 nanometer) +// PF2 - GREEN (518 nanometer) +// PF3 - BLUE (465 nanometer) + +// +// The RGB LED is tied up to 5V but since the lowest Vf is 1.75 we can still +// use a General Purpose Timer in pulse out mode. +// +//***************************************************************************** + +// +// Indexes into the array of colors +// +#define RED 0 +#define BLUE 2 +#define GREEN 1 + + +// +// Ratio for percent of full on that should be "true" white. +// +#define RED_WHITE_BALANCE 0.497f +#define GREEN_WHITE_BALANCE 0.6f +#define BLUE_WHITE_BALANCE 1.0f + +// +// GPIO, Timer, Peripheral, and Pin assignments for the colors +// +#define RED_GPIO_PERIPH SYSCTL_PERIPH_GPIOF +#define RED_TIMER_PERIPH SYSCTL_PERIPH_TIMER0 +#define BLUE_GPIO_PERIPH SYSCTL_PERIPH_GPIOF +#define BLUE_TIMER_PERIPH SYSCTL_PERIPH_TIMER1 +#define GREEN_GPIO_PERIPH SYSCTL_PERIPH_GPIOF +#define GREEN_TIMER_PERIPH SYSCTL_PERIPH_TIMER1 + + +#define RED_GPIO_BASE GPIO_PORTF_BASE +#define RED_TIMER_BASE TIMER0_BASE +#define BLUE_GPIO_BASE GPIO_PORTF_BASE +#define BLUE_TIMER_BASE TIMER1_BASE +#define GREEN_GPIO_BASE GPIO_PORTF_BASE +#define GREEN_TIMER_BASE TIMER1_BASE + +#define RED_GPIO_PIN GPIO_PIN_1 +#define BLUE_GPIO_PIN GPIO_PIN_2 +#define GREEN_GPIO_PIN GPIO_PIN_3 + + +#define RED_GPIO_PIN_CFG GPIO_PF1_T0CCP1 +#define BLUE_GPIO_PIN_CFG GPIO_PF2_T1CCP0 +#define GREEN_GPIO_PIN_CFG GPIO_PF3_T1CCP1 + +#define RED_TIMER_CFG TIMER_CFG_B_PWM +#define BLUE_TIMER_CFG TIMER_CFG_A_PWM +#define GREEN_TIMER_CFG TIMER_CFG_B_PWM + +#define RED_TIMER TIMER_B +#define BLUE_TIMER TIMER_A +#define GREEN_TIMER TIMER_B + + +//***************************************************************************** +// +// Useful macros +// +//***************************************************************************** + +//***************************************************************************** +// +// If building with a C++ compiler, make all of the definitions in this header +// have a C binding. +// +//***************************************************************************** +#ifdef __cplusplus +extern "C" +{ +#endif + +//***************************************************************************** +// +// Functions exported from rgb.c +// +//***************************************************************************** +extern void RGBInit(unsigned long ulEnable); + +extern void RGBEnable(void); +extern void RGBDisable(void); +extern void RGBSet(volatile unsigned long * pulRGBColor, float fIntensity); +extern void RGBColorSet(volatile unsigned long * pulRGBColor); + +extern void RGBIntensitySet(float fIntensity); + +extern void RGBGet(unsigned long * pulRGBColor, float * pfIntensity); + +//***************************************************************************** +// +// Mark the end of the C bindings section for C++ compilers. +// +//***************************************************************************** +#ifdef __cplusplus +} +#endif + +//***************************************************************************** +// +// Prototypes for the globals exported by this driver. +// +//***************************************************************************** + +#endif // __RGBLED_H__ -- cgit v1.3.1