boards/raspberrypi-pico: Support ENC28J60 SPI ethernet board
This commit is contained in:
Yuichi Nakamura
Alan Carvalho de Assis
parent
174a4c1b68
commit
a657357640
@ -42,6 +42,10 @@ ifeq ($(CONFIG_SENSORS_INA219),y)
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CSRCS += rp2040_ina219.c
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endif
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ifeq ($(CONFIG_ENC28J60),y)
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CSRCS += rp2040_enc28j60.c
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endif
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DEPPATH += --dep-path src
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VPATH += :src
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CFLAGS += $(shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board$(DELIM)src)
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164
boards/arm/rp2040/common/src/rp2040_enc28j60.c
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164
boards/arm/rp2040/common/src/rp2040_enc28j60.c
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@ -0,0 +1,164 @@
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/****************************************************************************
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* boards/arm/rp2040/common/src/rp2040_enc28j60.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 <stdint.h>
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#include <stdio.h>
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#include <debug.h>
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#include <nuttx/spi/spi.h>
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#include <nuttx/net/enc28j60.h>
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#include <arch/board/board.h>
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#include "chip.h"
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#include "arm_arch.h"
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#include "arm_internal.h"
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#include "rp2040_spi.h"
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#include "rp2040_gpio.h"
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#ifdef CONFIG_ENC28J60
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#if CONFIG_RP2040_ENC28J60_INTR_GPIO < 0
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# error "Need CONFIG_RP2040_ENC28J60_INTR_GPIO to specify the interrupt pin"
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#endif
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#define ENC28J60_DEVNO 0 /* Only one ENC28J60 */
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct rp2040_lower_s
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{
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const struct enc_lower_s lower; /* Low-level MCU interface */
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};
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static int up_attach(FAR const struct enc_lower_s *lower, xcpt_t handler,
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FAR void *arg);
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static void up_enable(FAR const struct enc_lower_s *lower);
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static void up_disable(FAR const struct enc_lower_s *lower);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* The ENC28J60 normal provides interrupts to the MCU via a GPIO pin. The
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* following structure provides an MCU-independent mechanism for controlling
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* the ENC28J60 GPIO interrupt.
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*/
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static struct rp2040_lower_s g_enclower =
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{
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.lower =
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{
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.attach = up_attach,
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.enable = up_enable,
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.disable = up_disable
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},
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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: struct enc_lower_s methods
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****************************************************************************/
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static int up_attach(FAR const struct enc_lower_s *lower, xcpt_t handler,
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FAR void *arg)
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{
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rp2040_gpio_irq_attach(CONFIG_RP2040_ENC28J60_INTR_GPIO,
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RP2040_GPIO_INTR_EDGE_LOW, handler, arg);
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return OK;
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}
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static void up_enable(FAR const struct enc_lower_s *lower)
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{
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rp2040_gpio_enable_irq(CONFIG_RP2040_ENC28J60_INTR_GPIO);
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}
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static void up_disable(FAR const struct enc_lower_s *lower)
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{
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rp2040_gpio_disable_irq(CONFIG_RP2040_ENC28J60_INTR_GPIO);
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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: arm_netinitialize
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****************************************************************************/
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void arm_netinitialize(void)
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{
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FAR struct spi_dev_s *spi;
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int ret;
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spi = rp2040_spibus_initialize(CONFIG_RP2040_ENC28J60_SPI_CH);
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if (!spi)
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{
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nerr("ERROR: Failed to initialize SPI port %d\n",
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CONFIG_RP2040_ENC28J60_SPI_CH);
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return;
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}
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/* Take ENC28J60 out of reset (active low) */
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#if CONFIG_RP2040_ENC28J60_RESET_GPIO >= 0
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rp2040_gpio_init(CONFIG_RP2040_ENC28J60_RESET_GPIO);
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rp2040_gpio_setdir(CONFIG_RP2040_ENC28J60_RESET_GPIO, true);
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rp2040_gpio_put(CONFIG_RP2040_ENC28J60_RESET_GPIO, true);
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#endif
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rp2040_gpio_init(CONFIG_RP2040_ENC28J60_INTR_GPIO);
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rp2040_gpio_set_pulls(CONFIG_RP2040_ENC28J60_INTR_GPIO, true, false);
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/* Bind the SPI port to the ENC28J60 driver */
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ret = enc_initialize(spi, &g_enclower.lower, ENC28J60_DEVNO);
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if (ret < 0)
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{
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nerr("ERROR: Failed to bind SPI port %d ENC28J60 device %d: %d\n",
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CONFIG_RP2040_ENC28J60_SPI_CH, ENC28J60_DEVNO, ret);
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return;
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}
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ninfo("Bound SPI port %d to ENC28J60 device %d\n",
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CONFIG_RP2040_ENC28J60_SPI_CH, ENC28J60_DEVNO);
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}
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#endif /* CONFIG_ENC28J60 */
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@ -63,4 +63,25 @@ config RP2040_SPI1_GPIO
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range -1 29
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depends on RP2040_SPI1
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config RP2040_ENC28J60_SPI_CH
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int "ENC28J60 SPI channel number"
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default 1
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range 0 1
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depends on ENC28J60
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---help---
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Select SPI channel number to use ENC28J60 ethernet.
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config RP2040_ENC28J60_INTR_GPIO
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int "ENC28J60 interrupt GPIO pin assign"
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default -1
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range -1 29
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depends on ENC28J60
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config RP2040_ENC28J60_RESET_GPIO
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int "ENC28J60 reset GPIO pin assign (optional)"
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default -1
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range -1 29
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depends on ENC28J60
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endif
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@ -86,6 +86,22 @@ Defconfigs
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DAT1 (NC)
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* Card hot swapping is not supported.
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- enc28j60
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ENC28J60 SPI ethernet controller support
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- IP address is configured by DHCP.
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- DNS address is 8.8.8.8 (CONFIG_NETINIT_DNSIPADDR)
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- NTP client is enabled.
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Connection:
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ENC28J60 Raspberry Pi Pico
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GND ----- GND (Pin 3 or 38 or ...)
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3.3 ----- 3V3 OUT (Pin 36)
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SI ----- GP15 (SPI1 TX) (Pin 20)
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SCK ----- GP14 (SPI1 SCK) (Pin 19)
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CS ----- GP13 (SPI1 CSn) (Pin 17)
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SO ----- GP12 (SPI1 RX) (Pin 16)
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INT ----- GP11 (Pin 15)
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RESET ----- GP10 (Pin 14)
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License exceptions
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==================
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@ -0,0 +1,87 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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# CONFIG_FS_PROCFS_EXCLUDE_ENVIRON is not set
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# CONFIG_LIBC_LONG_LONG is not set
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# CONFIG_NSH_ARGCAT is not set
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
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# CONFIG_NSH_DISABLE_DATE is not set
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# CONFIG_NSH_DISABLE_LOSMART is not set
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# CONFIG_NSH_DISABLE_PRINTF is not set
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# CONFIG_NSH_DISABLE_TRUNCATE is not set
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# CONFIG_STANDARD_SERIAL is not set
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CONFIG_ARCH="arm"
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CONFIG_ARCH_BOARD="raspberrypi-pico"
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CONFIG_ARCH_BOARD_RASPBERRYPI_PICO=y
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CONFIG_ARCH_CHIP="rp2040"
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CONFIG_ARCH_CHIP_RP2040=y
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CONFIG_ARCH_RAMVECTORS=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_BOARDCTL_RESET=y
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CONFIG_BOARD_LOOPSPERMSEC=10450
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CONFIG_BUILTIN=y
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CONFIG_DEBUG_FULLOPT=y
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CONFIG_DEBUG_SYMBOLS=y
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CONFIG_DEV_ZERO=y
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CONFIG_DISABLE_POSIX_TIMERS=y
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CONFIG_ENC28J60=y
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CONFIG_EXAMPLES_HELLO=y
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CONFIG_FS_PROCFS=y
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CONFIG_FS_PROCFS_REGISTER=y
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CONFIG_MAX_TASKS=8
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CONFIG_NET=y
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CONFIG_NETDB_DNSCLIENT=y
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CONFIG_NETDB_DNSSERVER_NOADDR=y
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CONFIG_NETDEVICES=y
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CONFIG_NETDEV_PHY_IOCTL=y
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CONFIG_NETINIT_DHCPC=y
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CONFIG_NETINIT_DNS=y
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CONFIG_NETINIT_DNSIPADDR=0x08080808
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CONFIG_NETINIT_NOMAC=y
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CONFIG_NET_BROADCAST=y
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CONFIG_NET_ICMP=y
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CONFIG_NET_ICMP_SOCKET=y
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CONFIG_NET_LOOPBACK=y
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CONFIG_NET_ROUTE=y
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CONFIG_NET_SOCKOPTS=y
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CONFIG_NET_TCP=y
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CONFIG_NET_UDP=y
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CONFIG_NET_UDP_CHECKSUMS=y
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CONFIG_NFILE_DESCRIPTORS=6
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_READLINE=y
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CONFIG_RAM_SIZE=270336
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CONFIG_RAM_START=0x20000000
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CONFIG_READLINE_CMD_HISTORY=y
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CONFIG_RP2040_ENC28J60_INTR_GPIO=11
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CONFIG_RP2040_ENC28J60_RESET_GPIO=10
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CONFIG_RP2040_SPI0=y
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CONFIG_RP2040_SPI0_GPIO=16
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CONFIG_RP2040_SPI1=y
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CONFIG_RP2040_SPI1_GPIO=12
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CONFIG_RP2040_SPI=y
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_HPWORK=y
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CONFIG_SCHED_LPWORK=y
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CONFIG_START_DAY=9
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CONFIG_START_MONTH=2
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CONFIG_START_YEAR=2021
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CONFIG_SYSLOG_CONSOLE=y
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CONFIG_SYSTEM_DHCPC_RENEW=y
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CONFIG_SYSTEM_NETDB=y
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CONFIG_SYSTEM_NSH=y
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CONFIG_SYSTEM_NTPC=y
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CONFIG_SYSTEM_PING=y
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CONFIG_SYSTEM_SPITOOL=y
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CONFIG_SYSTEM_SYSTEM=y
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CONFIG_SYSTEM_TELNET_CLIENT=y
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CONFIG_TESTING_GETPRIME=y
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CONFIG_TESTING_OSTEST=y
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CONFIG_UART0_SERIAL_CONSOLE=y
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CONFIG_USER_ENTRYPOINT="nsh_main"
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CONFIG_WQUEUE_NOTIFIER=y
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