/****************************************************************************
* configs/olimex-strp711/include/board.h
*
* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 OWNER 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.
*
****************************************************************************/
/****************************************************************************
* Features:
*
* - MCU: STR711FR2T6 16/32 bit ARM7TDMI™ with 256K Bytes Program Flash,
* 64K Bytes RAM, USB 2.0, RTC, 12 bit ADC, 4x UARTs, 2x I2C,2x SPI,
* 5x 32bit TIMERS, 2x PWM, 2x CCR, WDT, up to 50MHz operation
* - Standard JTAG connector with ARM 2x10 pin layout for programming/debugging
* with ARM-JTAG
* - USB connector
* - Two channel RS232 interface and drivers
* - SD/MMC card connector
* - Two buttons
* - Trimpot connected to ADC
* - Two status LEDs
* - Buzzer
* - UEXT - 10 pin extension connector for Olimex addon peripherials like MP3,
* RF2.4Ghz, RFID etc. modules
* - 2x SPI connectors
* - I2C connector
* - On board voltage regulator 3.3V with up to 800mA current
* - Single power supply: 6V AC or DC required, USB port can power the board
* - Power supply LED
* - Power supply filtering capacitor
* - RESET circuit
* - RESET button
* - 4 Mhz crystal oscillator
* - 32768 Hz crystal and RTC
*
****************************************************************************/
#ifndef _CONFIGS_OLIMEX_STRP711_BOARD_H
#define _CONFIGS_OLIMEX_STRP711_BOARD_H
/****************************************************************************
* Included Files
****************************************************************************/
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
#include "chip.h"
/****************************************************************************
* Definitions
****************************************************************************/
/* Clocking *****************************************************************/
/* Main Oscillator Frequency = 4MHz */
#define STR71X_RCCU_MAIN_OSC (4000000)
/* RTC Oscillator Frequency = 32,768 Hz */
#define STR71X_RCCU_RTC_OSC (32768)
/* HCLK driving PLL2 */
#define STR71X_PCU_HCLK_OSC (4000000) /* ? */
/* PLL1 Setup:
*
* PLL1 input clock: CLK2 = Main OSC = 4MHz
* PLL1 output clock: PLL1OUT = 16 * CLK2 / 2 = 32MHz
* PLL1 output: CLK3 = PLL1OUT = 32MHz (hard coded selection)
* RCLK = CLK3 = 32MHz (hard coded selection)
* APB1 peripheral clock: PCLK1 = RCLK = 32MHz
* APB2 peripheral clock: PCLK2 = RCLK = 32MHz
* Main system clock: MCLK = RCLK = 32MHz
*/
#undef STR71X_PLL1IN_DIV2 /* Don't divide main OSC by two */
#define STR71X_PLL1OUT_MUL 16 /* PLL1OUT = 16 * CLK2 */
#define STR71X_PLL1OUT_DIV 2 /* PLL1OUT = CLK2 / 2 */
#define STR71X_APB1_DIV 1 /* PCLK1 = RCLK */
#define STR71X_APB2_DIV 1 /* PCLK2 = RCLK */
#define STR71X_MCLK_DIV 1 /* MCLK = RCLK */
/* PLL2 Setup -- only needed for HDLC or USB
*
* USB input: USB clock
* HCLK = 4MHz?
* USB clock = 12 * HCLK / 1 = 48 MHz
*/
#undef STR71X_USBIN_PLL2 /* USB input is USB clock */
#define STR71X_PLL2OUT_MUL 12 /* PLL2OUT = 12 * HCLK */
#define STR71X_PLL2OUT_DIV 1 /* PLL2OUT = HCLK / 1 */
/* LED definitions **********************************************************/
/* The Olimex board has only two LEDs, so following states are faked as
* follows
*
* SET CLEAR
* LED_STARTED (none) (n/a)
* LED_HEAPALLOCATE LED1 (n/a)
* LED_IRQSENABLED LED1 (n/a)
* LED_STACKCREATED LED1 (n/a)
* LED_INIRQ LED1+LED2 LED1
* LED_SIGNAL LED1+LED2 LED1
* LED_ASSERTION LED1+LED2 LED1
* LED_PANIC LED1+LED2* LED1
*
* *The previous state of LED2 will be retained
*/
#define LED_STARTED 0
#define LED_HEAPALLOCATE 1
#define LED_IRQSENABLED 2
#define LED_STACKCREATED 3
#define LED_INIRQ 4
#define LED_SIGNAL 5
#define LED_ASSERTION 6
#define LED_PANIC 7
/* Button definitions *******************************************************/
/* The Olimex board has two buttons, one labled "BUT" and the other "WAKEUP" */
#define BUT_BUTTON 1 /* Bit 0: BUT button is depressed */
#define WAKEUP_BUTTON 2 /* Bit 1: WAKEUP button is depressed */
/****************************************************************************
* Public Data
****************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
#ifdef CONFIG_ARCH_BUTTONS
EXTERN void up_buttoninit(void);
EXTERN uint8_t up_buttons(void);
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif
#endif /* _CONFIGS_OLIMEX_STRP711_BOARD_H */
