275 lines
11 KiB
C
275 lines
11 KiB
C
/****************************************************************************
|
|
* configs/olimex-efm32g880f128-stk/include/board.h
|
|
*
|
|
* Copyright (C) 2014 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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __CONFIGS_OLIMEX_EFM32G880F128_STK_INCLUDE_BOARD_H
|
|
#define __CONFIGS_OLIMEX_EFM32G880F128_STK_INCLUDE_BOARD_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "chip/efm32_cmu.h"
|
|
#include "chip/efm32_usart.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
/* Clocking *****************************************************************/
|
|
/* Clock Sources
|
|
* - 1-28 MHz High Frequency RC Oscillator (HFRCO)
|
|
* - 4-32 MHz High Frequency Crystal Oscillator (HFXO)
|
|
* - 32.768 kHz Low Frequency RC Oscillator (LFRCO)
|
|
* - 32.768 kHz Low Frequency Crystal Oscillator (LFXO)
|
|
* - 1KHz Ultra Low Frequency RC Oscillator (ULFRCO)
|
|
*
|
|
* The device boots with 14 MHz HFRCO as the HFCLK source.
|
|
*/
|
|
|
|
#define BOARD_HAVE_HFXO 1 /* Have High frequency crystal oscillator */
|
|
#define BOARD_HAVE_LFXO 1 /* Have Loq frequency crystal oscillator */
|
|
|
|
#define BOARD_HFRCO_FREQUENCY 14000000 /* 14MHz on reset */
|
|
#define BOARD_HFXO_FREQUENCY 32000000 /* 32MHz crystal on board */
|
|
#define BOARD_LFRCO_FREQUENCY 32768 /* Low frequency oscillator */
|
|
#define BOARD_LFXO_FREQUENCY 32768 /* 32MHz crystal on board */
|
|
#define BOARD_ULFRCO_FREQUNCY 1000 /* Ultra low frequency oscillator */
|
|
|
|
/* HFCLK - High Frequency Clock
|
|
*
|
|
* HFCLK is the selected High Frequency Clock. This clock is used by the CMU
|
|
* and drives the two prescalers that generate HFCORECLK and HFPERCLK. The
|
|
* HFCLK can be driven by a high-frequency oscillator (HFRCO or HFXO) or one
|
|
* of the low-frequency oscillators (LFRCO or LFXO). By default the HFRCO is
|
|
* selected.
|
|
*/
|
|
|
|
#define BOARD_HFCLKSEL _CMU_CMD_HFCLKSEL_HFXO
|
|
#define BOARD_HFCLKDIV 0 /* Does not apply to EFM32G */
|
|
#define BOARD_HFCLK_FREQUENCY BOARD_HFXO_FREQUENCY
|
|
|
|
/* HFCORECLK - High Frequency Core Clock
|
|
*
|
|
* HFCORECLK is a prescaled version of HFCLK. This clock drives the Core
|
|
* Modules, which consists of the CPU and modules that are tightly coupled
|
|
* to the CPU, e.g. MSC, DMA etc. The frequency of HFCORECLK is set using
|
|
* the CMU_HFCORECLKDIV register.
|
|
*/
|
|
|
|
#define BOARD_HFCORECLKDIV _CMU_HFCORECLKDIV_HFCORECLKDIV_DEFAULT
|
|
#define BOARD_HFCORECLK_FREQUENCY BOARD_HFXO_FREQUENCY
|
|
|
|
/* HFPERCLK - High Frequency Peripheral Clock
|
|
*
|
|
* Like HFCORECLK, HFPERCLK can also be a prescaled version of HFCLK. This
|
|
* clock drives the High-Frequency Peripherals. The frequency of HFPERCLK is
|
|
* set using the CMU_HFPERCLKDIV register.
|
|
*/
|
|
|
|
#define BOARD_HFPERCLKDIV _CMU_HFPERCLKDIV_HFPERCLKDIV_DEFAULT
|
|
#define BOARD_HFPERCLK_FREQUENCY BOARD_HFXO_FREQUENCY
|
|
|
|
/* LFACLK - Low Frequency A Clock
|
|
*
|
|
* LFACLK is the selected clock for the Low Energy A Peripherals. There are
|
|
* four selectable sources for LFACLK: LFRCO, LFXO, HFCORECLK/2 and ULFRCO.
|
|
* From reset, the LFACLK source is set to LFRCO. However, note that the
|
|
* LFRCO is disabled from reset. The selection is configured using the LFA
|
|
* field in CMU_LFCLKSEL. The HFCORECLK/2 setting allows the Low Energy A
|
|
* Peripherals to be used as high-frequency peripherals.
|
|
*
|
|
* Use _CMU_LFCLKSEL_LFA_DISABLED to disable
|
|
* ULFRCO is a special case.
|
|
*/
|
|
|
|
#define BOARD_LFACLKSEL _CMU_LFCLKSEL_LFA_LFXO
|
|
#undef BOARD_LFACLK_ULFRCO
|
|
#define BOARD_LFACLK_FREQUENCY BOARD_LFXO_FREQUENCY
|
|
|
|
/* LFBCLK - Low Frequency B Clock
|
|
*
|
|
* LFBCLK is the selected clock for the Low Energy B Peripherals. There are
|
|
* four selectable sources for LFBCLK: LFRCO, LFXO, HFCORECLK/2 and ULFRCO.
|
|
* From reset, the LFBCLK source is set to LFRCO. However, note that the
|
|
* LFRCO is disabled from reset. The selection is configured using the LFB
|
|
* field in CMU_LFCLKSEL. The HFCORECLK/2 setting allows the Low Energy B
|
|
* Peripherals to be used as high-frequency peripherals.
|
|
*
|
|
* Use _CMU_LFCLKSEL_LFB_DISABLED to disable
|
|
* ULFRCO is a special case.
|
|
*/
|
|
|
|
#define BOARD_LFBCLKSEL _CMU_LFCLKSEL_LFB_LFXO
|
|
#undef BOARD_LFBCLK_ULFRCO
|
|
#define BOARD_LFBCLK_FREQUENCY BOARD_LFXO_FREQUENCY
|
|
|
|
/* PCNTnCLK - Pulse Counter n Clock
|
|
*
|
|
* Each available pulse counter is driven by its own clock, PCNTnCLK where
|
|
* n is the pulse counter instance number. Each pulse counter can be
|
|
* configured to use an external pin (PCNTn_S0) or LFACLK as PCNTnCLK.
|
|
*/
|
|
|
|
/* WDOGCLK - Watchdog Timer Clock
|
|
*
|
|
* The Watchdog Timer (WDOG) can be configured to use one of three different
|
|
* clock sources: LFRCO, LFXO or ULFRCO. ULFRCO (Ultra Low Frequency RC
|
|
* Oscillator) is a separate 1 kHz RC oscillator that also runs in EM3.
|
|
*/
|
|
|
|
/* AUXCLK - Auxiliary Clock
|
|
*
|
|
* AUXCLK is a 1-28 MHz clock driven by a separate RC oscillator, AUXHFRCO.
|
|
* This clock is used for flash programming and Serial Wire Output (SWO).
|
|
* During flash programming this clock will be active. If the AUXHFRCO has
|
|
* not been enabled explicitly by software, the MSC will automatically
|
|
* start and stop it. The AUXHFRCO is enabled by writing a 1 to AUXHFRCOEN
|
|
* in CMU_OSCENCMD. This explicit enabling is required when SWO is used.
|
|
*/
|
|
|
|
/* LEDs *********************************************************************/
|
|
/* The EFM32 Gecko Starter Kit supports 4 yellow LEDs. One side is grounded
|
|
* so these LEDs are illuminated by outputting a high value.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/* LED index values for use with efm32_setled() */
|
|
|
|
#define BOARD_LED1 0
|
|
#define BOARD_LED2 1
|
|
#define BOARD_LED3 2
|
|
#define BOARD_LED4 3
|
|
#define BOARD_NLEDS 4
|
|
|
|
#define BOARD_LED_GREEN BOARD_LED1
|
|
#define BOARD_LED_ORANGE BOARD_LED2
|
|
#define BOARD_LED_RED BOARD_LED3
|
|
#define BOARD_LED_BLUE BOARD_LED4
|
|
|
|
/* LED bits for use with efm32_setleds() */
|
|
|
|
#define BOARD_LED1_BIT (1 << BOARD_LED1)
|
|
#define BOARD_LED2_BIT (1 << BOARD_LED2)
|
|
#define BOARD_LED3_BIT (1 << BOARD_LED3)
|
|
#define BOARD_LED4_BIT (1 << BOARD_LED4)
|
|
|
|
/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 4 LEDs on
|
|
* board the EFM32 Gecko Starter Kit. The following definitions describe
|
|
* how NuttX controls the LEDs in this configuration:
|
|
*/
|
|
|
|
#define LED_STARTED 0 /* LED1 */
|
|
#define LED_HEAPALLOCATE 1 /* LED2 */
|
|
#define LED_IRQSENABLED 2 /* LED1 + LED2 */
|
|
#define LED_STACKCREATED 3 /* LED3 */
|
|
#define LED_INIRQ 4 /* LED1 + LED3 */
|
|
#define LED_SIGNAL 5 /* LED2 + LED3 */
|
|
#define LED_ASSERTION 6 /* LED1 + LED2 + LED3 */
|
|
#define LED_PANIC 7 /* N/C + N/C + N/C + LED4 */
|
|
|
|
/* Buttons ******************************************************************/
|
|
/* The Olimex board has four buttons, BUT1-4. Each is grounded and so should
|
|
* have a weak pull-up so that it will be sensed as "1" when open and "0"
|
|
* when closed.
|
|
*
|
|
* --------------------- ---------------------
|
|
* PIN CONNECTIONS
|
|
* --------------------- ---------------------
|
|
* PE0/PCNT0_S0IN/U0_TX BUT1, EXT-18
|
|
* PE1/PCNT0_S1IN/U0_RX BUT2, EXT-19
|
|
* PE2/ACMP0_O BUT3, EXT-20
|
|
* PE3/ACMP1_O BUT4, EXT-21
|
|
* --------------------- ---------------------
|
|
*/
|
|
|
|
#define BUTTON_1 0
|
|
#define BUTTON_2 1
|
|
#define BUTTON_3 2
|
|
#define BUTTON_4 3
|
|
#define NUM_BUTTONS 4
|
|
|
|
#define BUTTON_1_BIT (1 << BUTTON_1)
|
|
#define BUTTON_2_BIT (1 << BUTTON_2)
|
|
#define BUTTON_3_BIT (1 << BUTTON_3)
|
|
#define BUTTON_4_BIT (1 << BUTTON_4)
|
|
|
|
/* Pin routing **************************************************************/
|
|
/* UART0:
|
|
*
|
|
* U0_RX #1 PE1 **AVAILABLE at EXT-19**
|
|
* U0_TX #1 PE0 **AVAILABLE at EXT-18**
|
|
*/
|
|
|
|
#define BOARD_UART0_RX_GPIO (GPIO_PORTE|GPIO_PIN1)
|
|
#define BOARD_UART0_TX_GPIO (GPIO_PORTE|GPIO_PIN0)
|
|
#define BOARD_UART0_ROUTE_LOCATION _USART_ROUTE_LOCATION_LOC1
|
|
|
|
/* LEUART1:
|
|
*
|
|
* LEU1_RX #0 PC7 LEU1_RX to DB-9 connector
|
|
* LEU1_TX #0 PC6 LEU1_TX to DB-9 connector
|
|
*/
|
|
|
|
#define BOARD_LEUART1_RX_GPIO (GPIO_PORTC|GPIO_PIN7)
|
|
#define BOARD_LEUART1_TX_GPIO (GPIO_PORTC|GPIO_PIN6)
|
|
#define BOARD_LEUART1_ROUTE_LOCATION _LEUART_ROUTE_LOCATION_LOC0
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: efm32_ledinit, efm32_setled, and efm32_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 interfaces
|
|
* are available to control the LEDs from user applications.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef CONFIG_ARCH_LEDS
|
|
void efm32_ledinit(void);
|
|
void efm32_setled(int led, bool ledon);
|
|
void efm32_setleds(uint8_t ledset);
|
|
#endif
|
|
|
|
#endif /* __CONFIGS_EFM32_DK3650_INCLUDE_BOARD_H */
|