| /**************************************************************************** |
| * boards/arm/samd2l2/circuit-express/include/board.h |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The |
| * ASF licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __BOARDS_ARM_SAMD2L2_CIRCUIT_EXPRESS_INCLUDE_BOARD_H |
| #define __BOARDS_ARM_SAMD2L2_CIRCUIT_EXPRESS_INCLUDE_BOARD_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #ifndef __ASSEMBLY__ |
| # include <stdint.h> |
| # ifdef CONFIG_SAMD2L2_GPIOIRQ |
| # include <arch/irq.h> |
| # endif |
| #endif |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* Clocking *****************************************************************/ |
| |
| /* Overview |
| * |
| * OSC8M Output = 8MHz |
| * `- GCLK1 Input = 8MHz Prescaler = 1 output = 8MHz |
| * `- DFLL Input = 8MHz Multiplier = 6 output = 48MHz |
| * `- GCLK0 Input = 48MHz Prescaler = 1 output = 48MHz |
| * `- PM Input = 48Mhz CPU divider = 1 CPU frequency = 48MHz |
| * APBA divider = 1 APBA frequency = 48MHz |
| * APBB divider = 1 APBB frequency = 48MHz |
| * APBC divider = 1 APBC frequency = 48MHz |
| * |
| */ |
| |
| /* XOSC Configuration -- Not available |
| * |
| * BOARD_XOSC_ENABLE - Boolean (defined / not defined) |
| * BOARD_XOSC_FREQUENCY - In Hz |
| * BOARD_XOSC_STARTUPTIME - See SYSCTRL_XOSC_STARTUP_* definitions |
| * BOARD_XOSC_ISCRYSTAL - Boolean (defined / not defined) |
| * BOARD_XOSC_AMPGC - Boolean (defined / not defined) |
| * BOARD_XOSC_ONDEMAND - Boolean (defined / not defined) |
| * BOARD_XOSC_RUNINSTANDBY - Boolean (defined / not defined) |
| */ |
| |
| #undef BOARD_XOSC_ENABLE |
| #define BOARD_XOSC_FREQUENCY 12000000UL |
| #define BOARD_XOSC_STARTUPTIME SYSCTRL_XOSC_STARTUP_1S |
| #define BOARD_XOSC_ISCRYSTAL 1 |
| #define BOARD_XOSC_AMPGC 1 |
| #define BOARD_XOSC_ONDEMAND 1 |
| #undef BOARD_XOSC_RUNINSTANDBY |
| |
| /* XOSC32 Configuration -- Not used |
| * |
| * BOARD_XOSC32K_ENABLE - Boolean (defined / not defined) |
| * BOARD_XOSC32K_FREQUENCY - In Hz |
| * BOARD_XOSC32K_STARTUPTIME - See SYSCTRL_XOSC32K_STARTUP_* definitions |
| * BOARD_XOSC32K_ISCRYSTAL - Boolean (defined / not defined) |
| * BOARD_XOSC32K_AAMPEN - Boolean (defined / not defined) |
| * BOARD_XOSC32K_EN1KHZ - Boolean (defined / not defined) |
| * BOARD_XOSC32K_EN32KHZ - Boolean (defined / not defined) |
| * BOARD_XOSC32K_ONDEMAND - Boolean (defined / not defined) |
| * BOARD_XOSC32K_RUNINSTANDBY - Boolean (defined / not defined) |
| */ |
| |
| #undef BOARD_XOSC32K_ENABLE |
| #define BOARD_XOSC32K_FREQUENCY 32768 /* 32.768KHz XTAL */ |
| #define BOARD_XOSC32K_STARTUPTIME SYSCTRL_XOSC32K_STARTUP_2S |
| #define BOARD_XOSC32K_ISCRYSTAL 1 |
| #define BOARD_XOSC32K_AAMPEN 1 |
| #undef BOARD_XOSC32K_EN1KHZ |
| #define BOARD_XOSC32K_EN32KHZ 1 |
| #define BOARD_XOSC32K_ONDEMAND 1 |
| #undef BOARD_XOSC32K_RUNINSTANDBY |
| |
| /* OSC32 Configuration -- not used |
| * |
| * BOARD_OSC32K_ENABLE - Boolean (defined / not defined) |
| * BOARD_OSC32K_FREQUENCY - In Hz |
| * BOARD_OSC32K_STARTUPTIME - See SYSCTRL_OSC32K_STARTUP_* definitions |
| * BOARD_OSC32K_EN1KHZ - Boolean (defined / not defined) |
| * BOARD_OSC32K_EN32KHZ - Boolean (defined / not defined) |
| * BOARD_OSC32K_ONDEMAND - Boolean (defined / not defined) |
| * BOARD_OSC32K_RUNINSTANDBY - Boolean (defined / not defined) |
| */ |
| |
| #undef BOARD_OSC32K_ENABLE |
| #define BOARD_OSC32K_FREQUENCY 32768 /* 32.768kHz internal oscillator */ |
| #define BOARD_OSC32K_STARTUPTIME SYSCTRL_OSC32K_STARTUP_4MS |
| #define BOARD_OSC32K_EN1KHZ 1 |
| #define BOARD_OSC32K_EN32KHZ 1 |
| #define BOARD_OSC32K_ONDEMAND 1 |
| #undef BOARD_OSC32K_RUNINSTANDBY |
| |
| /* OSC8M Configuration -- always enabled |
| * |
| * BOARD_OSC8M_PRESCALER - See SYSCTRL_OSC8M_PRESC_DIV* definitions |
| * BOARD_OSC8M_ONDEMAND - Boolean (defined / not defined) |
| * BOARD_OSC8M_RUNINSTANDBY - Boolean (defined / not defined) |
| */ |
| |
| #define BOARD_OSC8M_PRESCALER SYSCTRL_OSC8M_PRESC_DIV1 |
| #define BOARD_OSC8M_ONDEMAND 1 |
| #undef BOARD_OSC8M_RUNINSTANDBY |
| |
| #define BOARD_OSC8M_FREQUENCY 8000000 /* 8MHz high-accuracy internal oscillator */ |
| |
| /* OSCULP32K Configuration -- not used. */ |
| |
| #define BOARD_OSCULP32K_FREQUENCY 32000 /* 32kHz ultra-low-power internal oscillator */ |
| |
| /* Digital Frequency Locked Loop configuration. In closed-loop mode, the |
| * DFLL output frequency (Fdfll) is given by: |
| * |
| * Fdfll = DFLLmul * Frefclk |
| * = 6 * 8000000 = 48MHz |
| * |
| * Where the reference clock is Generic Clock Channel 0 output of GLCK1. |
| * GCLCK1 provides OSC8M, undivided. |
| * |
| * When operating in open-loop mode, the output frequency of the DFLL will |
| * be determined by the values written to the DFLL Coarse Value bit group |
| * and the DFLL Fine Value bit group in the DFLL Value register. |
| * |
| * BOARD_DFLL_OPENLOOP - Boolean (defined / not defined) |
| * BOARD_DFLL_TRACKAFTERFINELOCK - Boolean (defined / not defined) |
| * BOARD_DFLL_KEEPLOCKONWAKEUP - Boolean (defined / not defined) |
| * BOARD_DFLL_ENABLECHILLCYCLE - Boolean (defined / not defined) |
| * BOARD_DFLL_QUICKLOCK - Boolean (defined / not defined) |
| * BOARD_DFLL_ONDEMAND - Boolean (defined / not defined) |
| * |
| * Closed loop mode only: |
| * BOARD_DFLL_GCLKGEN - GCLK index |
| * BOARD_DFLL_MULTIPLIER - Value |
| * BOARD_DFLL_MAXCOARSESTEP - Value |
| * BOARD_DFLL_MAXFINESTEP - Value |
| * |
| * BOARD_DFLL_FREQUENCY - The resulting frequency |
| */ |
| |
| #define BOARD_DFLL_ENABLE 1 |
| #define BOARD_DFLL_OPENLOOP 1 |
| #undef BOARD_DFLL_ONDEMAND |
| #undef BOARD_DFLL_RUNINSTANDBY |
| |
| /* DFLL closed loop mode configuration */ |
| |
| #define BOARD_DFLL_SRCGCLKGEN 1 |
| #define BOARD_DFLL_MULTIPLIER 6 |
| #define BOARD_DFLL_QUICKLOCK 1 |
| #define BOARD_DFLL_TRACKAFTERFINELOCK 1 |
| #define BOARD_DFLL_KEEPLOCKONWAKEUP 1 |
| #define BOARD_DFLL_ENABLECHILLCYCLE 1 |
| #define BOARD_DFLL_MAXCOARSESTEP (0x1f / 4) |
| #define BOARD_DFLL_MAXFINESTEP (0xff / 4) |
| |
| #define BOARD_DFLL_FREQUENCY (48000000) |
| |
| /* GCLK Configuration |
| * |
| * Global enable/disable. |
| * |
| * BOARD_GCLK_ENABLE - Boolean (defined / not defined) |
| * |
| * For n=1-7: |
| * BOARD_GCLKn_ENABLE - Boolean (defined / not defined) |
| * |
| * For n=0-8: |
| * BOARD_GCLKn_RUN_IN_STANDBY - Boolean (defined / not defined) |
| * BOARD_GCLKn_CLOCK_SOURCE - See GCLK_GENCTRL_SRC_* definitions |
| * BOARD_GCLKn_PRESCALER - Value |
| * BOARD_GCLKn_OUTPUT_ENABLE - Boolean (defined / not defined) |
| */ |
| |
| #define BOARD_GCLK_ENABLE 1 |
| |
| /* GCLK generator 0 (Main Clock) - Source is the DFLL */ |
| |
| #undef BOARD_GCLK0_RUN_IN_STANDBY |
| #define BOARD_GCLK0_CLOCK_SOURCE GCLK_GENCTRL_SRC_DFLL48M |
| #define BOARD_GCLK0_PRESCALER 1 |
| #undef BOARD_GCLK0_OUTPUT_ENABLE |
| #define BOARD_GCLK0_FREQUENCY (BOARD_DFLL_FREQUENCY / BOARD_GCLK0_PRESCALER) |
| |
| /* Configure GCLK generator 1 - Drives the DFLL */ |
| |
| #define BOARD_GCLK1_ENABLE 1 |
| #undef BOARD_GCLK1_RUN_IN_STANDBY |
| #define BOARD_GCLK1_CLOCK_SOURCE GCLK_GENCTRL_SRC_OSC8M |
| #define BOARD_GCLK1_PRESCALER 1 |
| #undef BOARD_GCLK1_OUTPUT_ENABLE |
| #define BOARD_GCLK1_FREQUENCY (BOARD_OSC8M_FREQUENCY / BOARD_GCLK1_PRESCALER) |
| |
| /* Configure GCLK generator 2 (RTC) */ |
| |
| #undef BOARD_GCLK2_ENABLE |
| #undef BOARD_GCLK2_RUN_IN_STANDBY |
| #define BOARD_GCLK2_CLOCK_SOURCE GCLK_GENCTRL_SRC_OSC32K |
| #define BOARD_GCLK2_PRESCALER 32 |
| #undef BOARD_GCLK2_OUTPUT_ENABLE |
| #define BOARD_GCLK2_FREQUENCY (BOARD_OSC8M_FREQUENCY / BOARD_GCLK2_PRESCALER) |
| |
| /* Configure GCLK generator 3 */ |
| |
| #undef BOARD_GCLK3_ENABLE |
| #undef BOARD_GCLK3_RUN_IN_STANDBY |
| #define BOARD_GCLK3_CLOCK_SOURCE GCLK_GENCTRL_SRC_OSC8M |
| #define BOARD_GCLK3_PRESCALER 1 |
| #undef BOARD_GCLK3_OUTPUT_ENABLE |
| #define BOARD_GCLK3_FREQUENCY (BOARD_OSC8M_FREQUENCY / BOARD_GCLK3_PRESCALER) |
| |
| /* Configure GCLK generator 4 */ |
| |
| #undef BOARD_GCLK4_ENABLE |
| #undef BOARD_GCLK4_RUN_IN_STANDBY |
| #define BOARD_GCLK4_CLOCK_SOURCE GCLK_GENCTRL_SRC_OSC8M |
| #define BOARD_GCLK4_PRESCALER 1 |
| #undef BOARD_GCLK4_OUTPUT_ENABLE |
| #define BOARD_GCLK4_FREQUENCY (BOARD_OSC8M_FREQUENCY / BOARD_GCLK4_PRESCALER) |
| |
| /* Configure GCLK generator 5 */ |
| |
| #undef BOARD_GCLK5_ENABLE |
| #undef BOARD_GCLK5_RUN_IN_STANDBY |
| #define BOARD_GCLK5_CLOCK_SOURCE GCLK_GENCTRL_SRC_OSC8M |
| #define BOARD_GCLK5_PRESCALER 1 |
| #undef BOARD_GCLK5_OUTPUT_ENABLE |
| #define BOARD_GCLK5_FREQUENCY (BOARD_OSC8M_FREQUENCY / BOARD_GCLK5_PRESCALER) |
| |
| /* Configure GCLK generator 6 */ |
| |
| #undef BOARD_GCLK6_ENABLE |
| #undef BOARD_GCLK6_RUN_IN_STANDBY |
| #define BOARD_GCLK6_CLOCK_SOURCE GCLK_GENCTRL_SRC_OSC8M |
| #define BOARD_GCLK6_PRESCALER 1 |
| #undef BOARD_GCLK6_OUTPUT_ENABLE |
| #define BOARD_GCLK6_FREQUENCY (BOARD_OSC8M_FREQUENCY / BOARD_GCLK6_PRESCALER) |
| |
| /* Configure GCLK generator 7 */ |
| |
| #undef BOARD_GCLK7_ENABLE |
| #undef BOARD_GCLK7_RUN_IN_STANDBY |
| #define BOARD_GCLK7_CLOCK_SOURCE GCLK_GENCTRL_SRC_OSC8M |
| #define BOARD_GCLK7_PRESCALER 1 |
| #undef BOARD_GCLK7_OUTPUT_ENABLE |
| #define BOARD_GCLK7_FREQUENCY (BOARD_OSC8M_FREQUENCY / BOARD_GCLK7_PRESCALER) |
| |
| /* The source of the main clock is always GCLK_MAIN. Also called GCLKGEN[0], |
| * this is the clock feeding the Power Manager. |
| * The Power Manager, in turn, generates main clock which is divided down to |
| * produce the CPU, AHB, and APB clocks. |
| * |
| * The main clock is initially OSC8M divided by 8. |
| */ |
| |
| #define BOARD_GCLK_MAIN_FREQUENCY BOARD_GCLK0_FREQUENCY |
| |
| /* Main clock dividers |
| * |
| * BOARD_CPU_DIVIDER - See PM_CPUSEL_CPUDIV_* definitions |
| * BOARD_CPU_FREQUENCY - In Hz |
| * BOARD_CPU_FAILDECT - Boolean (defined / not defined) |
| * BOARD_APBA_DIVIDER - See M_APBASEL_APBADIV_* definitions |
| * BOARD_APBA_FREQUENCY - In Hz |
| * BOARD_APBB_DIVIDER - See M_APBBSEL_APBBDIV_* definitions |
| * BOARD_APBB_FREQUENCY - In Hz |
| * BOARD_APBC_DIVIDER - See M_APBCSEL_APBCDIV_* definitions |
| * BOARD_APBC_FREQUENCY - In Hz |
| */ |
| |
| #define BOARD_CPU_FAILDECT 1 |
| #define BOARD_CPU_DIVIDER PM_CPUSEL_CPUDIV_1 |
| #define BOARD_APBA_DIVIDER PM_APBASEL_APBADIV_1 |
| #define BOARD_APBB_DIVIDER PM_APBBSEL_APBBDIV_1 |
| #define BOARD_APBC_DIVIDER PM_APBCSEL_APBCDIV_1 |
| |
| /* Resulting frequencies */ |
| |
| #define BOARD_MCK_FREQUENCY (BOARD_GCLK_MAIN_FREQUENCY) |
| #define BOARD_CPU_FREQUENCY (BOARD_MCK_FREQUENCY) |
| #define BOARD_PBA_FREQUENCY (BOARD_MCK_FREQUENCY) |
| #define BOARD_PBB_FREQUENCY (BOARD_MCK_FREQUENCY) |
| #define BOARD_PBC_FREQUENCY (BOARD_MCK_FREQUENCY) |
| #define BOARD_PBD_FREQUENCY (BOARD_MCK_FREQUENCY) |
| |
| /* FLASH wait states |
| * |
| * Vdd Range Wait states Maximum Operating Frequency |
| * ------------- -------------- --------------------------- |
| * 1.62V to 2.7V 0 14 MHz |
| * 1 28 MHz |
| * 2 42 MHz |
| * 3 48 MHz |
| * 2.7V to 3.63V 0 24 MHz |
| * 1 48 MHz |
| */ |
| |
| #if 0 /* REVISIT -- should not be necessary */ |
| # define BOARD_FLASH_WAITSTATES 1 |
| #else |
| # define BOARD_FLASH_WAITSTATES 2 |
| #endif |
| |
| /* SERCOM definitions *******************************************************/ |
| |
| /* This is the source clock generator for the GCLK_SERCOM_SLOW clock that is |
| * common to all SERCOM modules. |
| */ |
| |
| #define BOARD_SERCOM05_SLOW_GCLKGEN 0 |
| |
| /* SERCOM5 USART used to Serial Console |
| * |
| * PIN PORT SERCOM FUNCTION |
| * --- ------------------ ----------- |
| * 7 PB08 SERCOM4 PAD0 USART TXD |
| * 8 PB09 SERCOM4 PAD1 USART RXD |
| */ |
| |
| #define BOARD_SERCOM4_GCLKGEN 0 |
| #define BOARD_SERCOM4_SLOW_GCLKGEN BOARD_SERCOM05_SLOW_GCLKGEN |
| #define BOARD_SERCOM4_MUXCONFIG (USART_CTRLA_RXPAD1 | USART_CTRLA_TXPAD0_1) |
| #define BOARD_SERCOM4_PINMAP_PAD0 PORT_SERCOM4_PAD0_3 /* USART 4 TXD */ |
| #define BOARD_SERCOM4_PINMAP_PAD1 PORT_SERCOM4_PAD1_3 /* USART 4 RXD */ |
| #define BOARD_SERCOM4_PINMAP_PAD2 0 |
| #define BOARD_SERCOM4_PINMAP_PAD3 0 |
| |
| #define BOARD_SERCOM4_FREQUENCY BOARD_GCLK0_FREQUENCY |
| |
| /* USB definitions **********************************************************/ |
| |
| /* This is the source clock generator for the GCLK_USB clock |
| */ |
| |
| #define BOARD_USB_GCLKGEN 0 |
| #define BOARD_USB_FREQUENCY BOARD_GCLK0_FREQUENCY |
| |
| /* default USB Pad calibration (not used yet by USB driver) */ |
| |
| #define BOARD_USB_PADCAL_P 29 |
| #define BOARD_USB_PADCAL_N 5 |
| #define BOARD_USB_PADCAL_TRIM 3 |
| |
| /* LED definitions **********************************************************/ |
| |
| /* There are 2 LEDs on board the Adafruit Circuit Express board in addition |
| * to the neopixel LEDs. |
| * The power ON LED which is connected to the 3.3V rail. |
| * D13 which is an active high user status LED. |
| * |
| * This user LED is controlled by PA17. |
| */ |
| |
| /* LED index values for use with board_userled() */ |
| |
| #define BOARD_STATUS_LED 0 |
| #define BOARD_NLEDS 1 |
| |
| /* LED bits for use with board_userled_all() */ |
| |
| #define BOARD_STATUS LED_BIT (1 << BOARD_STATUS_LED) |
| |
| /* When CONFIG_ARCH_LEDS is defined in the NuttX configuration, NuttX will |
| * control the LED as defined below. Thus if the LED is statically on, NuttX |
| * has successfully booted and is, apparently, running normally. |
| * If the LED is flashing at approximately 2Hz, then a fatal error |
| * has been detected and the system has halted. |
| */ |
| |
| #define LED_STARTED 0 /* STATUS LED=OFF */ |
| #define LED_HEAPALLOCATE 0 /* STATUS LED=OFF */ |
| #define LED_IRQSENABLED 0 /* STATUS LED=OFF */ |
| #define LED_STACKCREATED 1 /* STATUS LED=ON */ |
| #define LED_INIRQ 2 /* STATUS LED=no change */ |
| #define LED_SIGNAL 2 /* STATUS LED=no change */ |
| #define LED_ASSERTION 2 /* STATUS LED=no change */ |
| #define LED_PANIC 3 /* STATUS LED=flashing */ |
| |
| /* Button definitions *******************************************************/ |
| |
| /* Mechanical buttons: |
| * |
| * The Adafruit Circuit Express contains 2 mechanical buttons and a switch. |
| */ |
| |
| #define NUM_BUTTONS 3 |
| |
| #endif /* __BOARDS_ARM_SAMD2L2_CIRCUIT_EXPRESS_INCLUDE_BOARD_H */ |
