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Diffstat (limited to 'nuttx/configs/detron/include/board.h')
| -rwxr-xr-x | nuttx/configs/detron/include/board.h | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/nuttx/configs/detron/include/board.h b/nuttx/configs/detron/include/board.h new file mode 100755 index 000000000..0b8df9e5d --- /dev/null +++ b/nuttx/configs/detron/include/board.h @@ -0,0 +1,207 @@ +/************************************************************************************ + * configs/detron/include/board.h + * include/arch/board/board.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Authors: + * Decio Renno <http://www.detroneletronica.com.br> + * Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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. + * + ************************************************************************************/ + +#ifndef __ARCH_BOARD_BOARD_H +#define __ARCH_BOARD_BOARD_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> +#include <arch/irq.h> //GPIO IRQ +#include <arch/lpc17xx/irq.h> + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/* Clocking *************************************************************************/ +/* NOTE: The following definitions require lpc17_syscon.h. It is not included here + * because the including C file may not have that file in its include path. + */ + +#define BOARD_XTAL_FREQUENCY (12000000) /* XTAL oscillator frequency */ +#define BOARD_OSCCLK_FREQUENCY BOARD_XTAL_FREQUENCY /* Main oscillator frequency */ +#define BOARD_RTCCLK_FREQUENCY (32000) /* RTC oscillator frequency */ +#define BOARD_INTRCOSC_FREQUENCY (4000000) /* Internal RC oscillator frequency */ + +/* This is the clock setup we configure for: + * + * SYSCLK = BOARD_OSCCLK_FREQUENCY = 12MHz -> Select Main oscillator for source + * PLL0CLK = (2 * 20 * SYSCLK) / 1 = 480MHz -> PLL0 multipler=20, pre-divider=1 + * CCLCK = 480MHz / 6 = 80MHz -> CCLK divider = 6 + */ + +#define LPC17_CCLK 80000000 /* 80Mhz */ + +/* Select the main oscillator as the frequency source. SYSCLK is then the frequency + * of the main oscillator. + */ + +#undef CONFIG_LPC17_MAINOSC +#define CONFIG_LPC17_MAINOSC 1 +#define BOARD_SCS_VALUE SYSCON_SCS_OSCEN + +/* Select the main oscillator and CCLK divider. The output of the divider is CCLK. + * The input to the divider (PLLCLK) will be determined by the PLL output. + */ + +#define BOARD_CCLKCFG_DIVIDER 6 +#define BOARD_CCLKCFG_VALUE ((BOARD_CCLKCFG_DIVIDER-1) << SYSCON_CCLKCFG_SHIFT) + +/* PLL0. PLL0 is used to generate the CPU clock divider input (PLLCLK). + * + * Source clock: Main oscillator + * PLL0 Multiplier value (M): 20 + * PLL0 Pre-divider value (N): 1 + * + * PLL0CLK = (2 * 20 * SYSCLK) / 1 = 480MHz + */ + +#undef CONFIG_LPC17_PLL0 +#define CONFIG_LPC17_PLL0 1 +#define BOARD_CLKSRCSEL_VALUE SYSCON_CLKSRCSEL_MAIN + +#define BOARD_PLL0CFG_MSEL 20 +#define BOARD_PLL0CFG_NSEL 1 +#define BOARD_PLL0CFG_VALUE \ + (((BOARD_PLL0CFG_MSEL-1) << SYSCON_PLL0CFG_MSEL_SHIFT) | \ + ((BOARD_PLL0CFG_NSEL-1) << SYSCON_PLL0CFG_NSEL_SHIFT)) + +/* PLL1 -- Not used. */ + +#undef CONFIG_LPC17_PLL1 +#define BOARD_PLL1CFG_MSEL 36 +#define BOARD_PLL1CFG_NSEL 1 +#define BOARD_PLL1CFG_VALUE \ + (((BOARD_PLL1CFG_MSEL-1) << SYSCON_PLL1CFG_MSEL_SHIFT) | \ + ((BOARD_PLL1CFG_NSEL-1) << SYSCON_PLL1CFG_NSEL_SHIFT)) + +/* USB divider. This divider is used when PLL1 is not enabled to get the + * USB clock from PLL0: + * + * USBCLK = PLL0CLK / 10 = 48MHz + */ + +#define BOARD_USBCLKCFG_VALUE SYSCON_USBCLKCFG_DIV10 + +/* FLASH Configuration */ + +#undef CONFIG_LP17_FLASH +#define CONFIG_LP17_FLASH 1 +#define BOARD_FLASHCFG_VALUE 0x0000303a + + +/* Button definitions ***************************************************************/ + +#define panel_pulse_up 1 /* Bit 0: painel_pulsada_up */ +#define panel_pulse_down 2 /* Bit 1: painel_pulsada_down */ +#define panel_center 4 /* Bit 2: painel_pulsada_centro */ + +/************************************************************************************ + * Public Types + ************************************************************************************/ + +#ifndef __ASSEMBLY__ + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/************************************************************************************ + * Public Function Prototypes + ************************************************************************************/ +/************************************************************************************ + * Name: lpc17_boardinitialize + * + * Description: + * All LPC17xx architectures must provide the following entry point. This entry point + * is called early in the intitialization -- after all memory has been configured + * and mapped but before any devices have been initialized. + * + ************************************************************************************/ + +EXTERN void lpc17_boardinitialize(void); + + +EXTERN void up_buttoninit(void); + +/************************************************************************************ + * Name: up_buttons + * + * Description: + * After up_buttoninit() has been called, up_buttons() may be called to collect + * the state of all buttons. up_buttons() returns an 8-bit bit set with each bit + * associated with a button. See the BUTTON* definitions above for the meaning of + * each bit in the returned value. + * + ************************************************************************************/ + +EXTERN uint8_t up_buttons(void); + +/************************************************************************************ + * Name: up_up_irq_pin_panel_pulse_up/down/center + * + * Description: + * These functions may be called to register an interrupt handler that will be + * called when BUTTON UP/DOWN/CENTER is depressed. The previous interrupt handler value is + * returned (so that it may restored, if so desired). + * + ************************************************************************************/ + + +EXTERN xcpt_t up_irq_pin_panel_pulse_up(xcpt_t irqhandler); +EXTERN xcpt_t up_irq_pin_panel_pulse_down(xcpt_t irqhandler); +EXTERN xcpt_t up_irq_pin_panel_center(xcpt_t irqhandler); + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __ARCH_BOARD_BOARD_H */ |