/************************************************************************************ * configs/olimex-lpc1766stk/include/board.h * include/arch/board/board.h * * Copyright (C) 2010-2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #if defined(CONFIG_ARCH_IRQBUTTONS) && defined(CONFIG_GPIO_IRQ) # include #endif /************************************************************************************ * 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 (32768) /* 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 /* Ethernet configuration */ //#define ETH_MCFG_CLKSEL_DIV ETH_MCFG_CLKSEL_DIV44 #define ETH_MCFG_CLKSEL_DIV ETH_MCFG_CLKSEL_DIV20 /* LED definitions ******************************************************************/ /* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in * any way. The following definitions are used to access individual LEDs. * * LED1 -- Connected to P1[25] * LED2 -- Connected to P0[4] */ /* LED index values for use with lpc17_setled() */ #define BOARD_LED1 0 #define BOARD_LED2 1 #define BOARD_NLEDS 2 /* LED bits for use with lpc17_setleds() */ #define BOARD_LED1_BIT (1 << BOARD_LED1) #define BOARD_LED2_BIT (1 << BOARD_LED2) /* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 3 LEDs * on board the Olimex LPC1766-STK. The following definitions * describe how NuttX controls the LEDs: */ /* LED1 LED2 */ #define LED_STARTED 0 /* OFF OFF = Still initializing */ #define LED_HEAPALLOCATE 0 /* OFF OFF = Still initializing */ #define LED_IRQSENABLED 0 /* OFF OFF = Still initializing */ #define LED_STACKCREATED 1 /* ON OFF = Initialization complete */ #define LED_INIRQ 2 /* N/C ON = In an interrupt handler */ #define LED_SIGNAL 2 /* N/C ON = In a signal handler (glowing) */ #define LED_ASSERTION 2 /* N/C ON = In an assertion */ #define LED_PANIC 2 /* N/C ON = Oops! We crashed. (flashing) */ #define LED_IDLE 3 /* OFF N/C = LPC17 in sleep mode (LED1 glowing) */ /* Button definitions ***************************************************************/ /* The LPC1766-STK supports several buttons. All will read "1" when open and "0" * when closed * * BUT1 -- Connected to P0[23] * BUT2 -- Connected to P2[13] * WAKE-UP -- Connected to P2[12] * * And a Joystick * * CENTER -- Connected to P0[4] * DOWN -- Connected to P2[1] * LEFT -- Connected to P2[7] * RIGHT -- Connected to P2[8] * UP -- Connected to P2[0] */ #define BOARD_BUTTON_1 0 #define BOARD_BUTTON_2 1 #define BOARD_BUTTON_WAKEUP 2 #define BOARD_JOYSTICK_CENTER 3 #define BOARD_JOYSTICK_UP 4 #define BOARD_JOYSTICK_DOWN 5 #define BOARD_JOYSTICK_LEFT 6 #define BOARD_JOYSTICK_RIGHT 7 #define BOARD_NUM_BUTTONS 8 #define BOARD_BUTTON_BUTTON1_BIT (1 << BOARD_BUTTON_1) #define BOARD_BUTTON_BUTTON2_BIT (1 << BOARD_BUTTON_2) #define BOARD_BUTTON_WAKEUP_BIT (1 << BOARD_BUTTON_WAKEUP) #define BOARD_JOYSTICK_CENTER_BIT (1 << BOARD_JOYSTICK_CENTER) #define BOARD_JOYSTICK_UP_BIT (1 << BOARD_JOYSTICK_UP) #define BOARD_JOYSTICK_DOWN_BIT (1 << BOARD_JOYSTICK_DOWN) #define BOARD_JOYSTICK_LEFT_BIT (1 << BOARD_JOYSTICK_LEFT) #define BOARD_JOYSTICK_RIGHT_BIT (1 << BOARD_JOYSTICK_RIGHT) /* Alternate pin selections *********************************************************/ /* CAN1 GPIO PIN SIGNAL NAME * -------------------------------- ---- -------------- * P0[0]/RD1/TXD3/SDA1 46 RD1 * P0[1]/TD1/RXD3/SCL1 47 TD1 */ #define GPIO_CAN1_RD GPIO_CAN1_RD_1 #define GPIO_CAN1_TD GPIO_CAN1_TD_1 /* UART0 GPIO PIN SIGNAL NAME * -------------------------------- ---- -------------- * P0[2]/TXD0/AD0[7] 98 TXD0 * P0[3]/RXD0/AD0[6] 99 RXD0 */ /* UART1 GPIO PIN SIGNAL NAME * -------------------------------- ---- -------------- * P0[15]/TXD1/SCK0/SCK 62 TXD1 * P0[16]/RXD1/SSEL0/SSEL 63 RXD1 * P0[17]/CTS1/MISO0/MISO 61 CTS1 * P0[18]/DCD1/MOSI0/MOSI 60 DCD1 * P0[19]/DSR1/SDA1 59 DSR1 * P0[20]/DTR1/SCL1 58 DTR1 * P0[22]/RTS1/TD1 56 RTS1 */ #define GPIO_UART1_TXD GPIO_UART1_TXD_1 #define GPIO_UART1_RXD GPIO_UART1_RXD_1 #define GPIO_UART1_CTS GPIO_UART1_CTS_1 #define GPIO_UART1_DCD GPIO_UART1_DCD_1 #define GPIO_UART1_DSR GPIO_UART1_DSR_1 #define GPIO_UART1_DTR GPIO_UART1_DTR_1 #define GPIO_UART1_RTS GPIO_UART1_RTS_1 /* SSP0 GPIO PIN SIGNAL NAME * -------------------------------- ---- -------------- * P1[21]/MCABORT/PWM1[3]/SSEL0 35 SSEL0 * P1[20]/MCFB0/PWM1[2]/SCK0 34 SCK0 * P1[23]/MCFB1/PWM1[4]/MISO0 37 MISO0 * P1[24]/MCFB2/PWM1[5]/MOSI0 38 MOSI0 */ #define GPIO_SSP0_SSEL GPIO_SSP0_SSEL_2 #define GPIO_SSP0_SCK GPIO_SSP0_SCK_2 #define GPIO_SSP0_MISO GPIO_SSP0_MISO_2 #define GPIO_SSP0_MOSI GPIO_SSP0_MOSI_2 /* SSP1 GPIO PIN SIGNAL NAME * -------------------------------- ---- -------------- * P0[6]/I2SRX_SDA/SSEL1/MAT2[0] 79 SSEL1 * P0[7]/I2STX_CLK/SCK1/MAT2[1] 78 SCK1 * P0[8]/I2STX_WS/MISO1/MAT2[2] 77 MISO1 * P0[9]/I2STX_SDA/MOSI1/MAT2[3] 76 MOSI1 */ #define GPIO_SSP1_SCK GPIO_SSP1_SCK_1 /* I2C2 GPIO PIN SIGNAL NAME * -------------------------------- ---- -------------- * P0[10]/TXD2/SDA2/MAT3[0] 48 SDA2 * P0[11]/RXD2/SCL2/MAT3[1] 49 SCL2 */ /* AD GPIO PIN SIGNAL NAME * -------------------------------- ---- -------------- * P0[24]/AD0[1]/I2SRX_WS/CAP3[1] 8 TEMP * P0[25]/AD0[2]/I2SRX_SDA/TXD3 7 MIC IN /* USB GPIO PIN SIGNAL NAME * -------------------------------- ---- -------------- * P0[27]/SDA0/USB_SDA 25 USB_SDA * P0[28]/SCL0/USB_SCL 24 USB_SCL * P0[29]/USB_D+ 29 USB_D+ * P0[30]/USB_D- 30 USB_D- * P1[18]/USB_UP_LED/PWM1[1]/CAP1[0] 32 USB_UP_LED * P1[19]/MC0A/#USB_PPWR/CAP1[1] 33 #USB_PPWR * P1[22]/MC0B/USB_PWRD/MAT1[0] 36 USBH_PWRD * P1[27]/CLKOUT/#USB_OVRCR/CAP0[1] 43 #USB_OVRCR * P1[30]/VBUS/AD0[4] 21 VBUS * P2[9]/USB_CONNECT/RXD2 64 USBD_CONNECT */ #ifdef GPIO_USB_PPWR /* We can only redefine this if they have been defined */ /* The Olimex LPC1766-STK has 10K pull-ups on PPWR and OVRCR and a 100k * pull-down on PWRD so we should make sure that the outputs float. */ # undef GPIO_USB_PPWR # define GPIO_USB_PPWR (GPIO_ALT2 | GPIO_FLOAT | GPIO_PORT1 | GPIO_PIN19) # undef GPIO_USB_OVRCR # define GPIO_USB_OVRCR (GPIO_ALT2 | GPIO_FLOAT | GPIO_PORT1 | GPIO_PIN27) # undef GPIO_USB_PWRD # define GPIO_USB_PWRD (GPIO_ALT2 | GPIO_FLOAT | GPIO_PORT1 | GPIO_PIN22) /* In host mode (only) there are also 15K pull-downs on D+ and D- */ # ifdef CONFIG_USBHOST # undef GPIO_USB_DP # define GPIO_USB_DP (GPIO_ALT1 | GPIO_FLOAT | GPIO_PORT0 | GPIO_PIN29) # undef GPIO_USB_DM # define GPIO_USB_DM (GPIO_ALT1 | GPIO_FLOAT | GPIO_PORT0 | GPIO_PIN30) # endif #endif /* Ethernet GPIO PIN SIGNAL NAME * -------------------------------- ---- -------------- * P1[0]/ENET_TXD0 95 E_TXD0 * P1[1]/ENET_TXD1 94 E_TXD1 * P1[4]/ENET_TX_EN 93 E_TX_EN * P1[8]/ENET_CRS 92 E_CRS * P1[9]/ENET_RXD0 91 E_RXD0 * P1[10]/ENET_RXD1 90 E_RXD1 * P1[14]/ENET_RX_ER 89 E_RX_ER * P1[15]/ENET_REF_CLK 88 E_REF_CLK * P1[16]/ENET_MDC 87 E_MDC * P1[17]/ENET_MDIO 86 E_MDIO */ #define GPIO_ENET_MDC GPIO_ENET_MDC_1 #define GPIO_ENET_MDIO GPIO_ENET_MDIO_1 /* Trace GPIO PIN SIGNAL NAME * -------------------------------- ---- -------------- * P2[2]/PWM1[3]/CTS1/TRACEDATA[3] 73 TRACE_D3 * P2[3]/PWM1[4]/DCD1/TRACEDATA[2] 70 TRACE_D2 * P2[4]/PWM1[5]/DSR1/TRACEDATA[1] 69 TRACE_D1 * P2[5]/PWM1[6]/DTR1/TRACEDATA[0] 68 TRACE_D0 * P2[6]/PCAP1[0]/RI1/TRACECLK 67 TRACE_CLK */ /* EINT GPIO PIN SIGNAL NAME * -------------------------------- ---- -------------- * P2[11]/#EINT1/I2STX_CLK 52 #EINT1 */ /* ? * P0[26]/AD0[3]/AOUT/RXD3 6 AOUT * P1[31]/SCK1/AD0[5] 20 AIN5 */ /************************************************************************************ * 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); /************************************************************************************ * Name: lpc17_ledinit, lpc17_setled, and lpc17_setleds * * Description: * If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs. If * CONFIG_ARCH_LEDS is not defined, then the following interfacesare available to * control the LEDs from user applications. * ************************************************************************************/ #ifndef CONFIG_ARCH_LEDS EXTERN void lpc17_ledinit(void); EXTERN void lpc17_setled(int led, bool ledon); EXTERN void lpc17_setleds(uint8_t ledset); #endif /************************************************************************************ * Name: up_buttoninit * * Description: * up_buttoninit() must be called to initialize button resources. After that, * up_buttons() may be called to collect the current state of all buttons or * up_irqbutton() may be called to register button interrupt handlers. * ************************************************************************************/ #ifdef CONFIG_ARCH_BUTTONS EXTERN void up_buttoninit(void); /************************************************************************************ * Name: up_buttons * * Description: * up_buttoninit() must be called to initialize button resources. After that, * up_buttons() may be called to collect the current state of all buttons. * * 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 BOARD_BUTTON_*_BIT and BOARD_JOYSTICK_*_BIT * definitions above for the meaning of each bit. * ************************************************************************************/ EXTERN uint8_t up_buttons(void); /************************************************************************************ * Button support. * * Description: * up_buttoninit() must be called to initialize button resources. After that, * up_irqbutton() may be called to register button interrupt handlers. * * up_irqbutton() may be called to register an interrupt handler that will be called * when a button is depressed or released. The ID value is a button enumeration * value that uniquely identifies a button resource. See the BOARD_BUTTON_* and * BOARD_JOYSTICK_* definitions in above for the meaning of enumeration values * The previous interrupt handler address is returned (so that it may restored, if * so desired). * * Note that up_irqbutton() also enables button interrupts. Button interrupts * will remain enabled after the interrupt handler is attached. Interrupts may * be disabled (and detached) by calling up_irqbutton with irqhandler equal to * NULL. * ************************************************************************************/ #if defined(CONFIG_ARCH_IRQBUTTONS) && defined(CONFIG_GPIO_IRQ) EXTERN xcpt_t up_irqbutton(int id, xcpt_t irqhandler); #endif #endif /* CONFIG_ARCH_BUTTONS */ #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __ASSEMBLY__ */ #endif /* __ARCH_BOARD_BOARD_H */