Example LPCXpresso project for NXP LPC4088

PUBLISHED_FROM=ec4c4ec1ca7fee10c67fbba5a603d59fe44a046d

examples/Makefile

@@ -3,7 +3,7 @@
 
 # `wildcard ./*/` works in both linux and linux/wine, while `wildcard */` enumerates nothing under wine
 SUBDIRS = $(sort $(dir $(wildcard ./*/)))
-SUBDIRS:=$(filter-out ./ ./CC3200/ ./ESP8266_RTOS/ ./MSP432/ ./NXP_K64/ ./PIC32/ ./STM32F4_CC3100/ ./mbed/ ./nRF51/ ./nRF52/, $(SUBDIRS))
+SUBDIRS:=$(filter-out ./ ./CC3200/ ./ESP8266_RTOS/ ./MSP432/ ./NXP_LPC4088/ ./NXP_K64/ ./PIC32/ ./STM32F4_CC3100/ ./mbed/ ./nRF51/ ./nRF52/, $(SUBDIRS))
 
 ifeq ($(OS), Windows_NT)
   SUBDIRS:=$(filter-out ./netcat/ ./raspberry_pi_mjpeg_led/ ./captive_dns_server/, $(SUBDIRS))

examples/NXP_LPC4088/LPCOpen_QSB/README.md

+Please download the [LPCOpen QSB SDK](https://www.embeddedartists.com/sites/default/files/support/qsb/lpc4088/lpcopen_2_10_lpcxpresso_arm_university_4088qsb.zip) and unpack it into this directory.

examples/NXP_LPC4088/LPCXpresso/Mongoose_LPC4088_QSB_BM/.project

+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Mongoose_LPC4088_QSB_BM</name>
+	<comment></comment>
+	<projects>
+		<project>lpc_chip_40xx</project>
+		<project>lpc_board_ea_devkit_4088</project>
+		<project>webserver</project>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+	</natures>
+	<linkedResources>
+		<link>
+			<name>lwip</name>
+			<type>2</type>
+			<locationURI>LWIP_PATH</locationURI>
+		</link>
+		<link>
+			<name>example/src/mongoose.c</name>
+			<type>1</type>
+			<location>$%7BPARENT-4-PROJECT_LOC%7D/mongoose.c</location>
+		</link>
+	</linkedResources>
+	<variableList>
+		<variable>
+			<name>LWIP_PATH</name>
+			<value>$%7BSDK_PATH%7D/webserver/lwip</value>
+		</variable>
+		<variable>
+			<name>SDK_PATH</name>
+			<value>$%7BPARENT-2-PROJECT_LOC%7D/LPCOpen_QSB</value>
+		</variable>
+	</variableList>
+</projectDescription>

examples/NXP_LPC4088/LPCXpresso/Mongoose_LPC4088_QSB_BM/example/inc/lpc_17xx40xx_emac_config.h

+/* clang-format off */
+/*
+ * @brief LPC17xx/LPC40xx EMAC and PHY driver configuration file for LWIP
+ *
+ * @note
+ * Copyright(C) NXP Semiconductors, 2012
+ * All rights reserved.
+ *
+ * @par
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * LPC products.  This software is supplied "AS IS" without any warranties of
+ * any kind, and NXP Semiconductors and its licensor disclaim any and
+ * all warranties, express or implied, including all implied warranties of
+ * merchantability, fitness for a particular purpose and non-infringement of
+ * intellectual property rights.  NXP Semiconductors assumes no responsibility
+ * or liability for the use of the software, conveys no license or rights under any
+ * patent, copyright, mask work right, or any other intellectual property rights in
+ * or to any products. NXP Semiconductors reserves the right to make changes
+ * in the software without notification. NXP Semiconductors also makes no
+ * representation or warranty that such application will be suitable for the
+ * specified use without further testing or modification.
+ *
+ * @par
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation is hereby granted, under NXP Semiconductors' and its
+ * licensor's relevant copyrights in the software, without fee, provided that it
+ * is used in conjunction with NXP Semiconductors microcontrollers.  This
+ * copyright, permission, and disclaimer notice must appear in all copies of
+ * this code.
+ */
+
+#ifndef __LPC_17XX40XX_EMAC_CONFIG_H_
+#define __LPC_17XX40XX_EMAC_CONFIG_H_
+
+#include "lwip/opt.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* The PHY address connected the to MII/RMII */
+#define LPC_PHYDEF_PHYADDR 1
+
+/* Autonegotiation mode enable flag */
+#define PHY_USE_AUTONEG 1
+
+/* PHY interface full duplex operation or half duplex enable flag.
+   Only applies if PHY_USE_AUTONEG = 0 */
+#define PHY_USE_FULL_DUPLEX 1
+
+/* PHY interface 100MBS or 10MBS enable flag.
+   Only applies if PHY_USE_AUTONEG = 0 */
+#define PHY_USE_100MBS 1
+
+/* Defines the number of descriptors used for RX */
+#define LPC_NUM_BUFF_RXDESCS 4
+
+/* Defines the number of descriptors used for TX */
+#define LPC_NUM_BUFF_TXDESCS 4
+
+/* Disable slow speed memory buffering */
+#define LPC_CHECK_SLOWMEM 0
+
+/* Array of slow memory address ranges for LPC_CHECK_SLOWMEM */
+#define LPC_SLOWMEM_ARRAY
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LPC_17XX40XX_EMAC_CONFIG_H_ */

examples/NXP_LPC4088/LPCXpresso/Mongoose_LPC4088_QSB_BM/example/inc/lwipopts.h

+/* clang-format off */
+/*
+ * @brief LWIP build option override file
+ *
+ * @note
+ * Copyright(C) NXP Semiconductors, 2012
+ * All rights reserved.
+ *
+ * @par
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * LPC products.  This software is supplied "AS IS" without any warranties of
+ * any kind, and NXP Semiconductors and its licensor disclaim any and
+ * all warranties, express or implied, including all implied warranties of
+ * merchantability, fitness for a particular purpose and non-infringement of
+ * intellectual property rights.  NXP Semiconductors assumes no responsibility
+ * or liability for the use of the software, conveys no license or rights under any
+ * patent, copyright, mask work right, or any other intellectual property rights in
+ * or to any products. NXP Semiconductors reserves the right to make changes
+ * in the software without notification. NXP Semiconductors also makes no
+ * representation or warranty that such application will be suitable for the
+ * specified use without further testing or modification.
+ *
+ * @par
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation is hereby granted, under NXP Semiconductors' and its
+ * licensor's relevant copyrights in the software, without fee, provided that it
+ * is used in conjunction with NXP Semiconductors microcontrollers.  This
+ * copyright, permission, and disclaimer notice must appear in all copies of
+ * this code.
+ */
+
+#ifndef __LWIPOPTS_H_
+#define __LWIPOPTS_H_
+
+/* Standalone build */
+#define NO_SYS                          1
+
+//#define LWIP_DEBUG			1
+#define LPC_TX_PBUF_BOUNCE_EN	1
+//#define HTTPD_DEBUG         LWIP_DBG_ON
+
+/* Use LWIP timers */
+#define NO_SYS_NO_TIMERS                0
+
+#define LWIP_HTTPD_DYNAMIC_HEADERS      1
+
+/* Need for memory protection */
+#define SYS_LIGHTWEIGHT_PROT            0
+
+/* 32-bit alignment */
+#define MEM_ALIGNMENT                   4
+
+/* pbuf buffers in pool. In zero-copy mode, these buffers are
+   located in peripheral RAM. In copied mode, they are located in
+   internal IRAM */
+#define PBUF_POOL_SIZE                  7
+
+/* No padding needed */
+#define ETH_PAD_SIZE                    0
+
+#define IP_SOF_BROADCAST                1
+#define IP_SOF_BROADCAST_RECV           1
+
+/* The ethernet FCS is performed in hardware. The IP, TCP, and UDP
+   CRCs still need to be done in hardware. */
+#define CHECKSUM_GEN_IP                 1
+#define CHECKSUM_GEN_UDP                1
+#define CHECKSUM_GEN_TCP                1
+#define CHECKSUM_CHECK_IP               1
+#define CHECKSUM_CHECK_UDP              1
+#define CHECKSUM_CHECK_TCP              1
+#define LWIP_CHECKSUM_ON_COPY           1
+
+/* Use LWIP version of htonx() to allow generic functionality across
+   all platforms. If you are using the Cortex Mx devices, you might
+   be able to use the Cortex __rev instruction instead. */
+#define LWIP_PLATFORM_BYTESWAP          0
+
+/* Non-static memory, used with DMA pool */
+#define MEM_SIZE                        (12 * 1024)
+
+/* Raw interface not needed */
+#define LWIP_RAW                        1
+
+/* DHCP is ok, UDP is required with DHCP */
+#define LWIP_DHCP                       1
+#define LWIP_UDP                        1
+
+/* Hostname can be used */
+#define LWIP_NETIF_HOSTNAME             1
+
+#define LWIP_BROADCAST_PING             1
+
+/* MSS should match the hardware packet size */
+#define TCP_MSS                         1460
+#define TCP_SND_BUF                     (2 * TCP_MSS)
+
+#define LWIP_SOCKET                     0
+#define LWIP_NETCONN                    0
+#define MEMP_NUM_SYS_TIMEOUT            300
+
+#define LWIP_STATS                      0
+#define LINK_STATS                      0
+#define LWIP_STATS_DISPLAY              0
+
+/* There are more *_DEBUG options that can be selected.
+   See opts.h. Make sure that LWIP_DEBUG is defined when
+   building the code to use debug. */
+#define TCP_DEBUG                       LWIP_DBG_OFF
+#define ETHARP_DEBUG                    LWIP_DBG_OFF
+#define PBUF_DEBUG                      LWIP_DBG_OFF
+#define IP_DEBUG                        LWIP_DBG_OFF
+#define TCPIP_DEBUG                     LWIP_DBG_OFF
+#define DHCP_DEBUG                      LWIP_DBG_OFF
+#define UDP_DEBUG                       LWIP_DBG_OFF
+
+/* This define is custom for the LPC EMAC driver. Enabled it to
+   get debug messages for the driver. */
+#define EMAC_DEBUG                    LWIP_DBG_OFF
+
+#define MEM_LIBC_MALLOC                 1
+#define MEMP_MEM_MALLOC                 1
+
+/* Needed for malloc/free */
+#include <stdlib.h>
+
+#endif /* __LWIPOPTS_H_ */

examples/NXP_LPC4088/LPCXpresso/Mongoose_LPC4088_QSB_BM/example/readme.txt

+Mongoose Web Server example without an RTOS
+===========================================
+
+This project sets up a simple Web server using the Mongoose Web Server and
+Networking library.
+
+This project depends on lpc_chip_40xx and lpc_board_ea_devkit_4088 (for
+drivers) and the webserver example project (for LWIP).

examples/NXP_LPC4088/LPCXpresso/Mongoose_LPC4088_QSB_BM/example/src/main.c

+/*
+ * Copyright (c) 2014-2016 Cesanta Software Limited
+ * All rights reserved
+ */
+
+#include "mongoose.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include "lwip/dhcp.h"
+#include "lwip/init.h"
+#include "lwip/netif.h"
+#include "lwip/raw.h"
+#include "lwip/timers.h"
+#include "netif/etharp.h"
+
+#include "board.h"
+#include "lpc_phy.h"
+#include "arch/lpc17xx_40xx_emac.h"
+#include "arch/lpc_arch.h"
+
+/* IP address configuration. */
+#define USE_DHCP 1 /* For static IP, set to 0 and configure options below */
+#if !USE_DHCP
+#define STATIC_IP "192.168.0.111"
+#define STATIC_NM "255.255.255.0"
+#define STATIC_GW "192.168.0.1"
+#endif
+
+void ev_handler(struct mg_connection *nc, int ev, void *ev_data) {
+  if (ev == MG_EV_POLL) return;
+  /* printf("ev %d\r\n", ev); */
+  switch (ev) {
+    case MG_EV_ACCEPT: {
+      char addr[32];
+      mg_sock_addr_to_str(&nc->sa, addr, sizeof(addr),
+                          MG_SOCK_STRINGIFY_IP | MG_SOCK_STRINGIFY_PORT);
+      printf("%p: Connection from %s\r\n", nc, addr);
+      break;
+    }
+    case MG_EV_HTTP_REQUEST: {
+      struct http_message *hm = (struct http_message *) ev_data;
+      char addr[32];
+      mg_sock_addr_to_str(&nc->sa, addr, sizeof(addr),
+                          MG_SOCK_STRINGIFY_IP | MG_SOCK_STRINGIFY_PORT);
+      printf("%p: %.*s %.*s\r\n", nc, (int) hm->method.len, hm->method.p,
+             (int) hm->uri.len, hm->uri.p);
+      mg_send_response_line(nc, 200,
+                            "Content-Type: text/html\r\n"
+                            "Connection: close");
+      mg_printf(nc,
+                "\r\n<h1>Hello, %s!</h1>\r\n"
+                "You asked for %.*s\r\n",
+                addr, (int) hm->uri.len, hm->uri.p);
+      nc->flags |= MG_F_SEND_AND_CLOSE;
+      Board_LED_Toggle(2);
+      break;
+    }
+    case MG_EV_CLOSE: {
+      printf("%p: Connection closed\r\n", nc);
+      break;
+    }
+  }
+}
+
+void handle_eth(struct netif *eth_if) {
+  /* PHY link status. */
+  uint32_t status = lpcPHYStsPoll();
+
+  if (status & PHY_LINK_CHANGED) {
+    if (status & PHY_LINK_CONNECTED) {
+      Board_LED_Set(0, true);
+
+      if (status & PHY_LINK_SPEED100) {
+        Chip_ENET_Set100Mbps(LPC_ETHERNET);
+      } else {
+        Chip_ENET_Set10Mbps(LPC_ETHERNET);
+      }
+      if (status & PHY_LINK_FULLDUPLX) {
+        Chip_ENET_SetFullDuplex(LPC_ETHERNET);
+      } else {
+        Chip_ENET_SetHalfDuplex(LPC_ETHERNET);
+      }
+
+      netif_set_link_up(eth_if);
+      printf("Link up\r\n");
+    } else {
+      Board_LED_Set(0, false);
+      Board_LED_Set(1, false);
+      netif_set_link_down(eth_if);
+      printf("Link down\r\n");
+    }
+  }
+
+  /* Handle packets as part of this loop, not in the IRQ handler */
+  lpc_enetif_input(eth_if);
+
+  /* Free TX buffers that are done sending */
+  lpc_tx_reclaim(eth_if);
+}
+
+int gettimeofday(struct timeval *tv, void *tzvp) {
+  tv->tv_sec = time(NULL);
+  tv->tv_usec = 0;
+  return 0;
+}
+
+/*
+ * This is a callback invoked by Mongoose to signal that a poll is needed soon.
+ * Since we're in a tight polling loop anyway (see below), we don't need to do
+ * anything.
+ */
+void mg_lwip_mgr_schedule_poll(struct mg_mgr *mgr) {
+}
+
+int main(void) {
+  struct netif eth0;
+
+  SystemCoreClockUpdate();
+  Board_Init();
+  SysTick_Enable(1);
+
+  lwip_init();
+
+  Board_LED_Set(0, false); /* Link state */
+  Board_LED_Set(1, false); /* DHCP state */
+  Board_LED_Set(2, false); /* HTTP request activity indicator */
+  Board_LED_Set(3, false); /* Error indicator */
+
+#if USE_DHCP
+  netif_add(&eth0, NULL, NULL, NULL, NULL, lpc_enetif_init, ethernet_input);
+  printf("Waiting for DHCP...\r\n");
+  dhcp_start(&eth0);
+  u8_t os = 0xff, ds;
+  do {
+    ds = eth0.dhcp->state;
+    if (ds != os) {
+      printf("  DHCP state: %d\r\n", ds);
+      os = ds;
+    }
+    handle_eth(&eth0);
+    sys_check_timeouts();
+  } while (ds != DHCP_BOUND);
+  printf("DHCP bound.\r\n");
+#else
+  ip_addr_t ip, nm, gw;
+  if (!ipaddr_aton(STATIC_IP, &ip) || !ipaddr_aton(STATIC_NM, &nm) ||
+      !ipaddr_aton(STATIC_GW, &gw)) {
+    printf("Invalid static IP configuration.\r\n");
+    Board_LED_Set(3, true);
+    return 1;
+  } else {
+    netif_add(&eth0, &ip, &nm, &gw, NULL, lpc_enetif_init, ethernet_input);
+    netif_set_up(&eth0);
+  }
+#endif
+  netif_set_default(&eth0);
+  printf("Setting up HTTP server...\r\n");
+
+  struct mg_mgr mgr;
+  mg_mgr_init(&mgr, NULL);
+
+  const char *err;
+  struct mg_bind_opts opts = {};
+  opts.error_string = &err;
+  struct mg_connection *nc = mg_bind_opt(&mgr, "80", ev_handler, opts);
+  if (nc == NULL) {
+    printf("Failed to create listener: %s\r\n", err);
+    Board_LED_Set(3, true);
+    return 1;
+  }
+  mg_set_protocol_http_websocket(nc);
+  printf("Server address: http://%s/\r\n", ipaddr_ntoa(&eth0.ip_addr));
+
+  while (1) {
+    /* Ethernet link status, low level input. */
+    handle_eth(&eth0);
+
+    /* LWIP timers - ARP, DHCP, TCP, etc. */
+    sys_check_timeouts();
+
+    /* Mongoose poll */
+    mg_mgr_poll(&mgr, 0);
+  }
+
+  return 0;
+}

examples/NXP_LPC4088/LPCXpresso/Mongoose_LPC4088_QSB_BM/example/src/sysinit.c

+/* clang-format off */
+/*
+ * @brief Common SystemInit function for LPC17xx/40xx chips
+ *
+ * @note
+ * Copyright(C) NXP Semiconductors, 2013
+ * All rights reserved.
+ *
+ * @par
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * LPC products.  This software is supplied "AS IS" without any warranties of
+ * any kind, and NXP Semiconductors and its licensor disclaim any and
+ * all warranties, express or implied, including all implied warranties of
+ * merchantability, fitness for a particular purpose and non-infringement of
+ * intellectual property rights.  NXP Semiconductors assumes no responsibility
+ * or liability for the use of the software, conveys no license or rights under any
+ * patent, copyright, mask work right, or any other intellectual property rights in
+ * or to any products. NXP Semiconductors reserves the right to make changes
+ * in the software without notification. NXP Semiconductors also makes no
+ * representation or warranty that such application will be suitable for the
+ * specified use without further testing or modification.
+ *
+ * @par
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation is hereby granted, under NXP Semiconductors' and its
+ * licensor's relevant copyrights in the software, without fee, provided that it
+ * is used in conjunction with NXP Semiconductors microcontrollers.  This
+ * copyright, permission, and disclaimer notice must appear in all copies of
+ * this code.
+ */
+
+ #include "board.h"
+
+/*****************************************************************************
+ * Private types/enumerations/variables
+ ****************************************************************************/
+
+/*****************************************************************************
+ * Public types/enumerations/variables
+ ****************************************************************************/
+
+/*****************************************************************************
+ * Private functions
+ ****************************************************************************/
+
+/*****************************************************************************
+ * Public functions
+ ****************************************************************************/
+
+/* Set up and initialize hardware prior to call to main */
+void SystemInit(void)
+{
+	unsigned int *pSCB_VTOR = (unsigned int *) 0xE000ED08;
+
+#if defined(__IAR_SYSTEMS_ICC__)
+	extern void *__vector_table;
+
+	*pSCB_VTOR = (unsigned int) &__vector_table;
+#elif defined(__CODE_RED)
+	extern void *g_pfnVectors;
+
+	*pSCB_VTOR = (unsigned int) &g_pfnVectors;
+#elif defined(__ARMCC_VERSION)
+	extern void *__Vectors;
+
+	*pSCB_VTOR = (unsigned int) &__Vectors;
+#endif
+
+#if defined(__FPU_PRESENT) && __FPU_PRESENT == 1
+	fpuInit();
+#endif
+
+#if defined(NO_BOARD_LIB)
+	/* Chip specific SystemInit */
+	Chip_SystemInit();
+#else
+	/* Setup system clocking and muxing */
+	Board_SystemInit();
+#endif
+}

examples/NXP_LPC4088/README.md

+Mongoose Web Server example without an RTOS
+===========================================
+
+This project sets up a simple Web server using the Mongoose Web Server and
+Networking library.
+
+This project is based on the [LPC4088 QuickStart Board](https://www.embeddedartists.com/products/boards/lpc4088_qsb.php) from Embedded Artists.
+
+Please download the [modified LPCOpen SDK](https://www.embeddedartists.com/sites/default/files/support/qsb/lpc4088/lpcopen_2_10_lpcxpresso_arm_university_4088qsb.zip)
+and unpack it into the `LPCOpen_QSB` directory.
+
+This project depends on `lpc_chip_40xx` and `lpc_board_ea_devkit_4088` (for drivers)
+and the `webserver` example project (for LWIP). Please import them along with this project.
+
+By default, the project uses DHCP to obtain an IP address.
+If you want to configure a static IP address, please edit the settings at the top of `example/src/main.c`.