mirror of
https://github.com/apache/nuttx.git
synced 2025-01-13 09:49:21 +08:00
boards/thingy52: add sx1509 support
SX1509 is used to control various peripherals and RGB LEDs available on the board.
This commit is contained in:
raiden00pl
Alan Carvalho de Assis
parent
dc608de144
commit
0aa1af7ff1
5 changed files with 347 additions and 7 deletions
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@ -62,11 +62,11 @@
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/* I2C Pins *****************************************************************/
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/* I2C0 (TWI0)
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* I2C0_SCL - P0.07
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* I2C0_SDA - P0.08
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* I2C0_SCL - P0.08
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* I2C0_SDA - P0.07
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*/
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#define BOARD_I2C0_SCL_PIN (GPIO_OUTPUT | GPIO_PORT0 | GPIO_PIN(7))
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#define BOARD_I2C0_SDA_PIN (GPIO_INPUT | GPIO_PORT0 | GPIO_PIN(8))
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#define BOARD_I2C0_SCL_PIN (GPIO_OUTPUT | GPIO_PORT0 | GPIO_PIN(8))
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#define BOARD_I2C0_SDA_PIN (GPIO_INPUT | GPIO_PORT0 | GPIO_PIN(7))
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#endif /* __BOARDS_ARM_NRF52_THINGY52_INCLUDE_BOARD_H */
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@ -30,6 +30,10 @@ ifeq ($(CONFIG_ARCH_BUTTONS),y)
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CSRCS += nrf52_buttons.c
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endif
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ifeq ($(CONFIG_IOEXPANDER_SX1509),y)
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CSRCS += nrf52_sx1509.c
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endif
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DEPPATH += --dep-path board
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VPATH += :board
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CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board$(DELIM)board
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@ -144,7 +144,6 @@ int nrf52_bringup(void)
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#ifdef CONFIG_NRF52_SOFTDEVICE_CONTROLLER
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ret = nrf52_sdc_initialize();
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: nrf52_sdc_initialize() failed: %d\n", ret);
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@ -155,6 +154,14 @@ int nrf52_bringup(void)
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nrf52_i2ctool();
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#endif
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#ifdef CONFIG_IOEXPANDER_SX1509
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ret = nrf52_sx1509_initialize();
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: nrf52_sx1509_initialize() failed: %d\n", ret);
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}
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#endif
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UNUSED(ret);
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return OK;
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}
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316
boards/arm/nrf52/thingy52/src/nrf52_sx1509.c
Normal file
316
boards/arm/nrf52/thingy52/src/nrf52_sx1509.c
Normal file
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@ -0,0 +1,316 @@
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/****************************************************************************
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* boards/arm/nrf52/thingy52/src/nrf52_sx1509.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/irq.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/ioexpander/sx1509.h>
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#include <nuttx/ioexpander/ioexpander.h>
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#include <nuttx/ioexpander/gpio.h>
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#include "nrf52_i2c.h"
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#include "thingy52.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define SX1509_I2C_BUS (0)
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#define SX1509_I2C_ADDR (0x3e)
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#define SX1509_I2C_FREQ (400000)
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/* LEDs */
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#define BOARD_LEDW_R 0
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#define BOARD_LEDW_G 1
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#define BOARD_LEDW_B 2
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#define BOARD_LEDS_R 3
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#define BOARD_LEDS_G 4
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#define BOARD_LEDS_B 5
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static void nrf52_sx1509_set_nreset(bool state);
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#ifdef CONFIG_IOEXPANDER_INT_ENABLE
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static int nrf52_sx1509_attach(struct sx1509_config_s *state, xcpt_t isr,
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void *arg);
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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struct sx1509_config_s g_sx1509_cfg =
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{
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.address = SX1509_I2C_ADDR,
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.frequency = SX1509_I2C_FREQ,
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.set_nreset = nrf52_sx1509_set_nreset,
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#ifdef CONFIG_IOEXPANDER_INT_ENABLE
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.attach = nrf52_sx1509_attach,
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#endif
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#ifdef CONFIG_SX1509_LED_ENABLE
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.led_pre = 2,
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#endif
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nrf52_sx1509_set_nreset
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****************************************************************************/
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static void nrf52_sx1509_set_nreset(bool state)
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{
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nrf52_gpio_write(GPIO_SX1509_RESET, state);
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}
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#ifdef CONFIG_IOEXPANDER_INT_ENABLE
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/****************************************************************************
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* Name: nrf52_sx1509_attach
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****************************************************************************/
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static int nrf52_sx1509_attach(struct sx1509_config_s *state, xcpt_t isr,
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void *arg)
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{
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# error INT pin not supported
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}
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#endif
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/****************************************************************************
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* Name: nrf52_sx1509_pinscfg
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****************************************************************************/
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static void nrf52_sx1509_pinscfg(struct ioexpander_dev_s *ioe)
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{
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/* Pin 0: IOEXT0 */
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IOEXP_SETDIRECTION(ioe, 0, IOEXPANDER_DIRECTION_IN);
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IOEXP_SETOPTION(ioe, 0, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_NORMAL);
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IOEXP_SETOPTION(ioe, 0, IOEXPANDER_OPTION_INTCFG,
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(void *)IOEXPANDER_VAL_DISABLE);
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IOEXP_WRITEPIN(ioe, 0, false);
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gpio_lower_half(ioe, 0, GPIO_INPUT_PIN, 0);
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/* Pin 1: IOEXT1 */
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IOEXP_SETDIRECTION(ioe, 1, IOEXPANDER_DIRECTION_IN);
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IOEXP_SETOPTION(ioe, 1, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_NORMAL);
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IOEXP_SETOPTION(ioe, 1, IOEXPANDER_OPTION_INTCFG,
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(void *)IOEXPANDER_VAL_DISABLE);
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IOEXP_WRITEPIN(ioe, 1, false);
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gpio_lower_half(ioe, 1, GPIO_INPUT_PIN, 1);
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/* Pin 2: IOEXT2 */
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IOEXP_SETDIRECTION(ioe, 2, IOEXPANDER_DIRECTION_IN);
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IOEXP_SETOPTION(ioe, 2, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_NORMAL);
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IOEXP_SETOPTION(ioe, 2, IOEXPANDER_OPTION_INTCFG,
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(void *)IOEXPANDER_VAL_DISABLE);
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IOEXP_WRITEPIN(ioe, 2, false);
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gpio_lower_half(ioe, 2, GPIO_INPUT_PIN, 2);
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/* Pin 3: IOEXT3 */
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IOEXP_SETDIRECTION(ioe, 3, IOEXPANDER_DIRECTION_IN);
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IOEXP_SETOPTION(ioe, 3, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_NORMAL);
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IOEXP_SETOPTION(ioe, 3, IOEXPANDER_OPTION_INTCFG,
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(void *)IOEXPANDER_VAL_DISABLE);
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IOEXP_WRITEPIN(ioe, 3, false);
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gpio_lower_half(ioe, 3, GPIO_INPUT_PIN, 3);
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/* Pin 4: BAT_MON_EN */
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IOEXP_SETDIRECTION(ioe, 4, IOEXPANDER_DIRECTION_OUT);
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IOEXP_SETOPTION(ioe, 4, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_NORMAL);
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IOEXP_WRITEPIN(ioe, 4, false);
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gpio_lower_half(ioe, 4, GPIO_OUTPUT_PIN, 4);
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#ifdef CONFIG_SX1509_LED_ENABLE
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/* Pin 5: LIGHTWELL_G */
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IOEXP_SETDIRECTION(ioe, 5, IOEXPANDER_DIRECTION_OUT_LED);
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IOEXP_SETOPTION(ioe, 5, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_INVERT);
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IOEXP_SETOPTION(ioe, 5, IOEXPANDER_OPTION_LEDCFG,
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(void *)BOARD_LEDW_G);
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IOEXP_WRITEPIN(ioe, 5, false);
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/* Pin 6: LIGHTWELL_B */
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IOEXP_SETDIRECTION(ioe, 6, IOEXPANDER_DIRECTION_OUT_LED);
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IOEXP_SETOPTION(ioe, 6, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_INVERT);
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IOEXP_SETOPTION(ioe, 6, IOEXPANDER_OPTION_LEDCFG,
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(void *)BOARD_LEDW_B);
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IOEXP_WRITEPIN(ioe, 6, false);
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/* Pin 7: LIGHTWELL_R */
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IOEXP_SETDIRECTION(ioe, 7, IOEXPANDER_DIRECTION_OUT_LED);
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IOEXP_SETOPTION(ioe, 7, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_INVERT);
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IOEXP_SETOPTION(ioe, 7, IOEXPANDER_OPTION_LEDCFG,
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(void *)BOARD_LEDW_R);
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IOEXP_WRITEPIN(ioe, 7, false);
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#endif
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/* Pin 8: MPU_PWR_CTRL */
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IOEXP_SETDIRECTION(ioe, 8, IOEXPANDER_DIRECTION_OUT);
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IOEXP_SETOPTION(ioe, 8, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_NORMAL);
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IOEXP_WRITEPIN(ioe, 8, false);
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gpio_lower_half(ioe, 8, GPIO_OUTPUT_PIN, 8);
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/* Pin 9: MIC_PWR_CTRL */
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IOEXP_SETDIRECTION(ioe, 9, IOEXPANDER_DIRECTION_OUT);
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IOEXP_SETOPTION(ioe, 9, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_NORMAL);
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IOEXP_WRITEPIN(ioe, 9, false);
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gpio_lower_half(ioe, 9, GPIO_OUTPUT_PIN, 9);
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/* Pin 10: CSS_PWR_CTRL */
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IOEXP_SETDIRECTION(ioe, 10, IOEXPANDER_DIRECTION_OUT);
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IOEXP_SETOPTION(ioe, 10, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_NORMAL);
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IOEXP_WRITEPIN(ioe, 10, false);
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gpio_lower_half(ioe, 10, GPIO_OUTPUT_PIN, 10);
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/* Pin 11: CSS_RESET */
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IOEXP_SETDIRECTION(ioe, 11, IOEXPANDER_DIRECTION_OUT);
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IOEXP_SETOPTION(ioe, 11, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_NORMAL);
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IOEXP_WRITEPIN(ioe, 11, false);
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gpio_lower_half(ioe, 11, GPIO_OUTPUT_PIN, 11);
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/* Pin 12: CSS_WAKE */
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IOEXP_SETDIRECTION(ioe, 12, IOEXPANDER_DIRECTION_OUT);
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IOEXP_SETOPTION(ioe, 12, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_NORMAL);
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IOEXP_WRITEPIN(ioe, 12, false);
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gpio_lower_half(ioe, 12, GPIO_OUTPUT_PIN, 12);
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#ifdef CONFIG_SX1509_LED_ENABLE
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/* Pin 13: SENSE_LED_R */
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IOEXP_SETDIRECTION(ioe, 13, IOEXPANDER_DIRECTION_OUT_LED);
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IOEXP_SETOPTION(ioe, 13, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_INVERT);
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IOEXP_SETOPTION(ioe, 13, IOEXPANDER_OPTION_LEDCFG,
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(void *)BOARD_LEDS_R);
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IOEXP_WRITEPIN(ioe, 13, false);
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/* Pin 14: SENSE_LED_G */
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IOEXP_SETDIRECTION(ioe, 14, IOEXPANDER_DIRECTION_OUT_LED);
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IOEXP_SETOPTION(ioe, 14, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_INVERT);
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IOEXP_SETOPTION(ioe, 14, IOEXPANDER_OPTION_LEDCFG,
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(void *)BOARD_LEDS_G);
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IOEXP_WRITEPIN(ioe, 14, false);
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/* Pin 15: SENSE_LED_B */
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IOEXP_SETDIRECTION(ioe, 15, IOEXPANDER_DIRECTION_OUT_LED);
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IOEXP_SETOPTION(ioe, 15, IOEXPANDER_OPTION_INVERT,
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(void *)IOEXPANDER_VAL_INVERT);
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IOEXP_SETOPTION(ioe, 15, IOEXPANDER_OPTION_LEDCFG,
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(void *)BOARD_LEDS_B);
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IOEXP_WRITEPIN(ioe, 15, false);
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#endif
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nrf52_sx1509_initialize
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*
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* Description:
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* Configure the SX1509 io expander.
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*
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****************************************************************************/
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int nrf52_sx1509_initialize(void)
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{
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struct i2c_master_s *i2c = NULL;
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struct ioexpander_dev_s *ioe = NULL;
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int ret = OK;
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/* Configure sx1509 pins */
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nrf52_gpio_config(GPIO_SX1509_RESET);
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/* Get I2C bus */
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i2c = nrf52_i2cbus_initialize(SX1509_I2C_BUS);
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if (i2c == NULL)
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{
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_err("ERROR: Failed to initialize I2C%d\n", SX1509_I2C_BUS);
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return -ENODEV;
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}
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/* Initialize sx1509 */
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ioe = sx1509_initialize(i2c, &g_sx1509_cfg);
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if (ioe == NULL)
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{
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_err("ERROR: Failed to initialize sx1509 %d\n", ret);
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return ret;
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}
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/* Register pins */
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nrf52_sx1509_pinscfg(ioe);
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#ifdef CONFIG_SX1509_LED_ENABLE
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/* Initialize sx1509 LED driver */
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ret = sx1509_leds_initialize(ioe, "/dev/leds");
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if (ret < 0)
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{
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return ret;
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}
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#endif
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return OK;
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}
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@ -86,11 +86,12 @@
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#define GPIO_CCS811_INT (GPIO_INPUT | GPIO_PORT0 | GPIO_PIN(22))
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/* SX1509 (I2C address: 0xe3)
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/* SX1509 (I2C address: 0x3e)
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* RESET - P0.16
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* INT - not connected
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*/
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#define GPIO_XS1509_RESET (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT0 | GPIO_PIN(16))
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#define GPIO_SX1509_RESET (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT0 | GPIO_PIN(16))
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/****************************************************************************
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* Public Types
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@ -122,5 +123,17 @@
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int nrf52_bringup(void);
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#ifdef CONFIG_IOEXPANDER_SX1509
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/****************************************************************************
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* Name: nrf52_sx1509_initialize
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*
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* Description:
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* Configure the SX1509 io expander.
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*
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****************************************************************************/
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int nrf52_sx1509_initialize(void);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_NRF52_THINGY52_SRC_THINGY52_H */
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