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Page 7 of 11

Chapter 6

Page 130 Simple HTTP Server Main Program 

#include <stdio.h>

#include "pico/stdlib.h"
#include "pico/cyw43_arch.h"
#include "lwip/pbuf.h"
#include "lwip/altcp_tcp.h"

#include "hardware/rtc.h"
#include "time.h"

#include "setupWifi.h"

#define BUF_SIZE 2048

void getDateNow(struct tm *t)
{
    datetime_t rtc;
    rtc_get_datetime(&rtc);

    t->tm_sec = rtc.sec;
    t->tm_min = rtc.min;
    t->tm_hour = rtc.hour;
    t->tm_mday = rtc.day;
    t->tm_mon = rtc.month - 1;
    t->tm_year = rtc.year - 1900;
    t->tm_wday = rtc.dotw;
    t->tm_yday = 0;
    t->tm_isdst = -1;
}

void sendData(struct altcp_pcb *pcb)
{
    err_t err;
    char html[] = "<html><head><title>Temperature</title></head><body><p>{\"humidity\":81%, \"airtemperature\":23.5C}</p></body></html>\r\n";
    char headers[1024] = {0};
    char Status[] = "HTTP/1.1 200 OK\r\nContent-Type: text/html;charset=UTF-8\r\nServer:Picow\r\n";

    struct tm t;
    getDateNow(&t);
    char Date[100];
    strftime(Date, sizeof(Date), "Date: %a, %d %b %Y %k:%M:%S %Z\r\n", &t);

    char ContLen[100] = {0};
    snprintf(ContLen, sizeof ContLen, "Content-Length:%d \r\n", strlen(html));
    snprintf(headers, sizeof headers, "%s%s%s\r\n", Status, Date, ContLen);

    char data[2048] = {0};
    snprintf(data, sizeof data, "%s%s", headers, html);

    err = altcp_write(pcb, data, strlen(data), 0);
    err = altcp_output(pcb);
}

err_t recv(void *arg, struct altcp_pcb *pcb, struct pbuf *p, err_t err)
{
    char myBuff[BUF_SIZE];
    if (p != NULL)
    {
        printf("recv total %d  this buffer %d next %d err %d\n", p->tot_len, p->len, p->next, err);
        pbuf_copy_partial(p, myBuff, p->tot_len, 0);
        myBuff[p->tot_len] = 0;
        printf("Buffer= %s\n", myBuff);
        altcp_recved(pcb, p->tot_len);
        pbuf_free(p);
        sendData(pcb);
    }
    return ERR_OK;
}

static err_t sent(void *arg, struct altcp_pcb *pcb, u16_t len)
{
    altcp_close(pcb);
}

static err_t accept(void *arg, struct altcp_pcb *pcb, err_t err)
{
    altcp_recv(pcb, recv);
    altcp_sent(pcb, sent);
    printf("connect!\n");

    return ERR_OK;
}

void setRTC()
{
    datetime_t t = {
        .year = 2023,
        .month = 02,
        .day = 03,
        .dotw = 5,
        .hour = 11,
        .min = 10,
        .sec = 00};
    rtc_init();
    rtc_set_datetime(&t);
}

int main()
{
    stdio_init_all();
    setRTC();
    connect();
    struct altcp_pcb *pcb = altcp_new(NULL);
    altcp_accept(pcb, accept);

    altcp_bind(pcb, IP_ADDR_ANY, 80);
    cyw43_arch_lwip_begin();
    pcb = altcp_listen_with_backlog(pcb, 3);
    cyw43_arch_lwip_end();
    while (true)
    {
        sleep_ms(500);
    }
}

Page 133 Full listing not in book

Simple HTTP Server lwipopts.h

#ifndef _LWIPOPTS_EXAMPLE_COMMONH_H
#define _LWIPOPTS_EXAMPLE_COMMONH_H


// Common settings used in most of the pico_w examples
// (see https://www.nongnu.org/lwip/2_1_x/group__lwip__opts.html for details)

// allow override in some examples
#ifndef NO_SYS
#define NO_SYS                      1
#endif
// allow override in some examples
#ifndef LWIP_SOCKET
#define LWIP_SOCKET                 0
#endif
#if PICO_CYW43_ARCH_POLL
#define MEM_LIBC_MALLOC             1
#else
// MEM_LIBC_MALLOC is incompatible with non polling versions
#define MEM_LIBC_MALLOC             0
#endif
#define MEM_ALIGNMENT               4
#define MEM_SIZE                    4000
#define MEMP_NUM_TCP_SEG            32
#define MEMP_NUM_ARP_QUEUE          10
#define PBUF_POOL_SIZE              24
#define LWIP_ARP                    1
#define LWIP_ETHERNET               1
#define LWIP_ICMP                   1
#define LWIP_RAW                    1
#define TCP_WND                     (8 * TCP_MSS)
#define TCP_MSS                     1460
#define TCP_SND_BUF                 (8 * TCP_MSS)
#define TCP_SND_QUEUELEN            ((4 * (TCP_SND_BUF) + (TCP_MSS - 1)) / (TCP_MSS))
#define LWIP_NETIF_STATUS_CALLBACK  1
#define LWIP_NETIF_LINK_CALLBACK    1
#define LWIP_NETIF_HOSTNAME         1
#define LWIP_NETCONN                0
#define MEM_STATS                   0
#define SYS_STATS                   0
#define MEMP_STATS                  0
#define LINK_STATS                  0
// #define ETH_PAD_SIZE                2
#define LWIP_CHKSUM_ALGORITHM       3
#define LWIP_DHCP                   1
#define LWIP_IPV4                   1
#define LWIP_TCP                    1
#define LWIP_UDP                    1
#define LWIP_DNS                    1
#define LWIP_TCP_KEEPALIVE          1
#define LWIP_NETIF_TX_SINGLE_PBUF   1
#define DHCP_DOES_ARP_CHECK         0
#define LWIP_DHCP_DOES_ACD_CHECK    0

#ifndef NDEBUG
#define LWIP_DEBUG                  1
#define LWIP_STATS                  1
#define LWIP_STATS_DISPLAY          1
#endif

#define ETHARP_DEBUG                LWIP_DBG_OFF
#define NETIF_DEBUG                 LWIP_DBG_OFF
#define PBUF_DEBUG                  LWIP_DBG_OFF
#define API_LIB_DEBUG               LWIP_DBG_OFF
#define API_MSG_DEBUG               LWIP_DBG_OFF
#define SOCKETS_DEBUG               LWIP_DBG_OFF
#define ICMP_DEBUG                  LWIP_DBG_OFF
#define INET_DEBUG                  LWIP_DBG_OFF
#define IP_DEBUG                    LWIP_DBG_OFF
#define IP_REASS_DEBUG              LWIP_DBG_OFF
#define RAW_DEBUG                   LWIP_DBG_OFF
#define MEM_DEBUG                   LWIP_DBG_OFF
#define MEMP_DEBUG                  LWIP_DBG_OFF
#define SYS_DEBUG                   LWIP_DBG_OFF
#define TCP_DEBUG                   LWIP_DBG_OFF
#define TCP_INPUT_DEBUG             LWIP_DBG_OFF
#define TCP_OUTPUT_DEBUG            LWIP_DBG_OFF
#define TCP_RTO_DEBUG               LWIP_DBG_OFF
#define TCP_CWND_DEBUG              LWIP_DBG_OFF
#define TCP_WND_DEBUG               LWIP_DBG_OFF
#define TCP_FR_DEBUG                LWIP_DBG_OFF
#define TCP_QLEN_DEBUG              LWIP_DBG_OFF
#define TCP_RST_DEBUG               LWIP_DBG_OFF
#define UDP_DEBUG                   LWIP_DBG_OFF
#define TCPIP_DEBUG                 LWIP_DBG_OFF
#define PPP_DEBUG                   LWIP_DBG_OFF
#define SLIP_DEBUG                  LWIP_DBG_OFF
#define DHCP_DEBUG                  LWIP_DBG_OFF

#undef TCP_WND
#define TCP_WND  16384

#define LWIP_ALTCP               1

#define LWIP_DEBUG 1
#define TCP_LISTEN_BACKLOG       1
#endif /* __LWIPOPTS_H__ */

Page 113 Full listing not in book

Simple HTTP Server CMakeLists.txt

cmake_minimum_required(VERSION 3.13)
set(PICO_BOARD pico_w)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)

include(pico_sdk_import.cmake)
project(PicoW C CXX ASM)
pico_sdk_init()

add_executable(main
 main.c
)

target_include_directories(main PRIVATE ${CMAKE_CURRENT_LIST_DIR})

target_link_libraries(main pico_stdlib pico_cyw43_arch_lwip_threadsafe_background hardware_rtc)
pico_add_extra_outputs(main)

Page 136 Python program to convert certificate to C code

import binascii

with open("iopress.key", 'rb') as f:
    lines = f.readlines()
lines = b"".join(lines[1:-1])
key = binascii.a2b_base64(lines)

res = ""

for b in key:
    res += "0x%02x," % b

res="u8_t key[]={"+res[:-1]+"};"
print(res)

with open("iopress.crt", 'rb') as f:
    lines = f.readlines()
lines = b"".join(lines[1:-1])
cert = binascii.a2b_base64(lines)
res = ""
for b in cert:
    res += "0x%02x," % b

res="u8_t cert[]={"+res[:-1]+"};"
print()
print(res)

Page 137 Full listing not in book

Simple HTTPS Server Main Program

#include <stdio.h>

#include "pico/stdlib.h"
#include "pico/cyw43_arch.h"
#include "lwip/pbuf.h"
#include "lwip/altcp_tcp.h"

#include "lwip/altcp_tls.h"
#include "hardware/structs/rosc.h"

#include "hardware/rtc.h"
#include "time.h"

#include "setupWifi.h"

#define BUF_SIZE 2048

void getDateNow(struct tm *t)
{
    datetime_t rtc;
    rtc_get_datetime(&rtc);

    t->tm_sec = rtc.sec;
    t->tm_min = rtc.min;
    t->tm_hour = rtc.hour;
    t->tm_mday = rtc.day;
    t->tm_mon = rtc.month - 1;
    t->tm_year = rtc.year - 1900;
    t->tm_wday = rtc.dotw;
    t->tm_yday = 0;
    t->tm_isdst = -1;
}

void sendData(struct altcp_pcb *pcb)
{
    err_t err;
    char html[] = "<html><head><title>Temperature</title></head><body><p>{\"humidity\":81%, \"airtemperature\":23.5C}</p></body></html>\r\n";
    char headers[1024] = {0};
    char Status[] = "HTTP/1.1 200 OK\r\nContent-Type: text/html;charset=UTF-8\r\nServer:Picow\r\n";

    struct tm t;
    getDateNow(&t);
    char Date[100];
    strftime(Date, sizeof(Date), "Date: %a, %d %b %Y %k:%M:%S %Z\r\n", &t);

    char ContLen[100] = {0};
    snprintf(ContLen, sizeof ContLen, "Content-Length:%d \r\n", strlen(html));
    snprintf(headers, sizeof headers, "%s%s%s\r\n", Status, Date, ContLen);

    char data[2048] = {0};
    snprintf(data, sizeof data, "%s%s", headers, html);

    err = altcp_write(pcb, data, strlen(data), 0);
    err = altcp_output(pcb);
}

err_t recv(void *arg, struct altcp_pcb *pcb, struct pbuf *p, err_t err)
{
    char myBuff[BUF_SIZE];
    if (p != NULL)
    {
        printf("recv total %d  this buffer %d next %d err %d\n", p->tot_len, p->len, p->next, err);
        pbuf_copy_partial(p, myBuff, p->tot_len, 0);
        myBuff[p->tot_len] = 0;
        printf("Buffer= %s\n", myBuff);
        altcp_recved(pcb, p->tot_len);
        pbuf_free(p);
        sendData(pcb);
    }
    return ERR_OK;
}

static err_t sent(void *arg, struct altcp_pcb *pcb, u16_t len)
{
    altcp_close(pcb);
}

static err_t accept(void *arg, struct altcp_pcb *pcb, err_t err)
{
    altcp_recv(pcb, recv);
    altcp_sent(pcb, sent);
    printf("connect!\n");

    return ERR_OK;
}

void setRTC()
{
    datetime_t t = {
        .year = 2023,
        .month = 02,
        .day = 03,
        .dotw = 5,
        .hour = 11,
        .min = 10,
        .sec = 00};
    rtc_init();
    rtc_set_datetime(&t);
}

int main()
{
    stdio_init_all();
    setRTC();

    connect();

    u8_t key[] = {0x30, 0x82, 0x04, 0xbd, 0x02, 0x01, 0x00, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x04, 0xa7, 0x30, 0x82, 0x04, 0xa3, 0x02, 0x01, 0x00, 0x02, 0x82, 0x01, 0x01, 0x00, 0xbd, 0xb3, 0xb6, 0x94, 0x9f, 0x87, 0x85, 0xd6, 0xd4, 0xd0, 0xf9, 0x24, 0x4b, 0x8c, 0x7d, 0x9e, 0xf5, 0x83, 0xac, 0x90, 0x37, 0x5b, 0xdf, 0x4d, 0x9b, 0x05, 0x6b, 0x5f, 0xaa, 0x87, 0x31, 0x87, 0x0e, 0x97, 0x90, 0xa0, 0xff, 0x12, 0x81, 0xcc, 0xfe, 0x66, 0xa3, 0x8e, 0x34, 0x33, 0x63, 0x27, 0x10, 0xa4, 0xf1, 0x57, 0x27, 0x72, 0x54, 0x45, 0x41, 0x62, 0xee, 0x00, 0x36, 0xaa, 0x1f, 0xfa, 0xa3, 0xb0, 0x27, 0xeb, 0x3e, 0xf3, 0xcf, 0x04, 0x17, 0x68, 0x22, 0xf1, 0x1e, 0x1c, 0x9e, 0x27, 0x7d, 0x82, 0xb3, 0x3f, 0x3c, 0x12, 0x63, 0x94, 0x3b, 0xae, 0x87, 0x3c, 0x33, 0x6a, 0x08, 0x63, 0x84, 0xc2, 0xf8, 0x87, 0xbd, 0xfd, 0x25, 0x92, 0xb7, 0x8d, 0xdb, 0xac, 0xe9, 0xcb, 0x3f, 0x04, 0x3d, 0xee, 0x9f, 0xf6, 0x17, 0xbe, 0xea, 0x41, 0x7f, 0x2b, 0x2d, 0x4a, 0xbf, 0x64, 0xea, 0x01, 0x83, 0xf2, 0x59, 0x82, 0x6c, 0xcb, 0x6c, 0x1f, 0x91, 0x53, 0xde, 0x8a, 0x36, 0x7f, 0x41, 0x7e, 0x19, 0x02, 0x80, 0x42, 0x8c, 0xd5, 0xc1, 0x3c, 0x22, 0x06, 0xf4, 0x2d, 0x09, 0x45, 0xbf, 0xc1, 0x12, 0xe3, 0xfc, 0xa3, 0xc2, 0x89, 0x11, 0x7f, 0x01, 0xcb, 0x49, 0xab, 0xc1, 0x50, 0x37, 0xca, 0x03, 0xb7, 0x44, 0x94, 0x16, 0xbf, 0xd6, 0xf5, 0xa6, 0xbc, 0x10, 0x86, 0xf2, 0x97, 0xea, 0x66, 0x15, 0xa3, 0x9f, 0x4d, 0xf0, 0xe6, 0xa5, 0xfb, 0x1f, 0x25, 0xd7, 0x71, 0xed, 0x85, 0x53, 0x5b, 0x86, 0x1c, 0x46, 0x29, 0xb5, 0xa8, 0xa8, 0x25, 0x27, 0x5a, 0x51, 0x27, 0x30, 0xa7, 0x94, 0x07, 0x21, 0xf7, 0x66, 0xe2, 0xab, 0x16, 0x0e, 0x59, 0xa2, 0x7a, 0x70, 0x30, 0xba, 0x6b, 0x9f, 0xf9, 0x4d, 0x22, 0x4e, 0xa3, 0x33, 0x7e, 0x49, 0x43, 0x62, 0x29, 0xf5, 0xc7, 0x61, 0x7e, 0x5f, 0xcd, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x82, 0x01, 0x00, 0x1e, 0x04, 0x4b, 0xc5, 0xa4, 0xa0, 0x8b, 0x1a, 0xfd, 0x3d, 0xbb, 0xce, 0x74, 0x6d, 0xdc, 0x8a, 0xc4, 0x8a, 0x7b, 0x49, 0xae, 0x98, 0xc8, 0xf2, 0xbc, 0xae, 0xd4, 0xd8, 0xa4, 0x61, 0x14, 0x03, 0x2c, 0xd9, 0xea, 0xb6, 0xae, 0xe5, 0xbc, 0xc8, 0x35, 0x11, 0x04, 0x9c, 0x41, 0xc2, 0x47, 0xd4, 0x2c, 0x9c, 0x0c, 0xdc, 0x1f, 0x8f, 0xc5, 0xa9, 0xd7, 0xb8, 0xd1, 0xb4, 0x12, 0xf2, 0x44, 0x71, 0x22, 0x69, 0x83, 0x47, 0x84, 0x04, 0x8c, 0x23, 0x37, 0x98, 0xf0, 0xbe, 0x7a, 0x67, 0x48, 0xd7, 0x32, 0xd2, 0xf5, 0x8d, 0xf1, 0xf1, 0x6e, 0xf4, 0x4b, 0xa5, 0x48, 0x1c, 0xcc, 0x7d, 0xe0, 0xa9, 0xee, 0x9d, 0xf3, 0x39, 0x77, 0x64, 0x91, 0x07, 0x70, 0x27, 0xf0, 0x34, 0xa2, 0x21, 0xd8, 0xec, 0xd0, 0xe7, 0xeb, 0x43, 0xc3, 0x6a, 0x20, 0x23, 0x10, 0xfe, 0x42, 0x02, 0x6b, 0xda, 0x89, 0xf4, 0x41, 0x96, 0x64, 0x32, 0x52, 0x20, 0x05, 0x0d, 0x5b, 0xf3, 0x67, 0x51, 0xb7, 0x7d, 0xd1, 0x24, 0x0b, 0x2c, 0x33, 0x84, 0x5b, 0xf9, 0xed, 0x66, 0xe6, 0x3c, 0x4d, 0xdf, 0x09, 0x3e, 0xd5, 0xe5, 0x1c, 0x27, 0x2c, 0x81, 0xee, 0x03, 0x91, 0x8d, 0xc0, 0x2b, 0x3e, 0xd9, 0x37, 0x8e, 0x3d, 0xd1, 0x30, 0xd6, 0x97, 0x7b, 0x98, 0xfb, 0x80, 0x13, 0x5a, 0x84, 0x08, 0x90, 0x0d, 0x5c, 0x99, 0x51, 0x4f, 0x8f, 0xab, 0x0c, 0x39, 0x69, 0x76, 0xf8, 0xf4, 0xfd, 0xa7, 0x04, 0x8d, 0x72, 0x27, 0xa6, 0x1e, 0xbd, 0xff, 0x10, 0x43, 0xe8, 0x53, 0xe7, 0x08, 0xb8, 0xbd, 0x55, 0xb4, 0x7a, 0xa2, 0x44, 0xe9, 0xe7, 0x78, 0xf7, 0x11, 0x49, 0x01, 0x70, 0x60, 0xdf, 0xe8, 0xd1, 0xb0, 0x8c, 0xa2, 0x3d, 0x98, 0x07, 0x9b, 0x66, 0xff, 0xe8, 0x68, 0x33, 0x82, 0xe3, 0x75, 0x3d, 0x37, 0x8d, 0xf2, 0x41, 0x02, 0x81, 0x81, 0x00, 0xe8, 0xc0, 0x12, 0x7f, 0x02, 0x98, 0x75, 0x23, 0xa6, 0x32, 0x92, 0x4e, 0x11, 0x27, 0xad, 0xda, 0x5b, 0x9e, 0xec, 0x9c, 0xa4, 0xb4, 0x26, 0x2b, 0x2b, 0xd4, 0xdb, 0x1a, 0x9e, 0xd5, 0xd3, 0xa8, 0xb4, 0x29, 0x58, 0x79, 0x96, 0x9f, 0x1a, 0xff, 0xdc, 0xef, 0x4c, 0xb3, 0x1b, 0x79, 0x36, 0xd3, 0x03, 0x4d, 0x08, 0x15, 0x54, 0xa7, 0x84, 0x2d, 0xc3, 0xb2, 0x44, 0x75, 0x15, 0x9f, 0x57, 0xae, 0x25, 0x64, 0xcc, 0x5f, 0xdf, 0x7d, 0xd3, 0xe9, 0xb7, 0xbc, 0xeb, 0x01, 0x92, 0xda, 0x9f, 0x7e, 0xc3, 0xc6, 0xce, 0xd9, 0xc2, 0x16, 0x5a, 0x52, 0x0c, 0x1e, 0xe2, 0x92, 0x4a, 0xf2, 0x33, 0x13, 0x78, 0x5f, 0xa3, 0xa8, 0x0d, 0x99, 0x75, 0x8d, 0x33, 0xd5, 0x71, 0xc6, 0x3c, 0x86, 0xf9, 0x36, 0xbf, 0x86, 0x2e, 0xc3, 0xfe, 0x63, 0x7d, 0x50, 0x94, 0xb6, 0x71, 0x7f, 0x9f, 0xb6, 0x55, 0xa5, 0x02, 0x81, 0x81, 0x00, 0xd0, 0xa6, 0xcd, 0xaf, 0x92, 0x3b, 0x7a, 0x2f, 0x17, 0xfd, 0xd1, 0x05, 0x6b, 0x9c, 0x95, 0xb7, 0x7b, 0x39, 0x0c, 0xa5, 0xde, 0xb1, 0xa4, 0x86, 0x87, 0x39, 0x73, 0xb0, 0x22, 0xb3, 0x7c, 0x6a, 0x14, 0xdc, 0x19, 0x98, 0xa7, 0xe7, 0x02, 0xdb, 0x54, 0xa0, 0xc3, 0xbc, 0x80, 0x54, 0x60, 0xb6, 0xa6, 0xf4, 0xc5, 0x01, 0xe1, 0xc3, 0xf7, 0xc3, 0xd2, 0xdb, 0xe7, 0x1f, 0xc9, 0xcc, 0x51, 0x66, 0x66, 0xd0, 0xce, 0x31, 0x5a, 0x31, 0x76, 0xb7, 0x98, 0x52, 0xda, 0x82, 0xe8, 0x33, 0xc8, 0xf0, 0x1a, 0x8f, 0x95, 0x46, 0x7f, 0x48, 0x72, 0x47, 0x1e, 0x33, 0x3c, 0x0f, 0xd7, 0x55, 0x21, 0xc3, 0xea, 0x10, 0x8e, 0xae, 0xbc, 0x18, 0xa5, 0xcc, 0x85, 0xf1, 0x09, 0x3d, 0x15, 0x82, 0xa0, 0x49, 0x55, 0xd6, 0x7f, 0x64, 0xe0, 0xb0, 0xf0, 0x17, 0x75, 0xbd, 0x92, 0xc7, 0x83, 0xe3, 0x59, 0x09, 0x02, 0x81, 0x81, 0x00, 0x88, 0x6b, 0xd4, 0x2b, 0x87, 0xcc, 0xee, 0x93, 0xe7, 0x9d, 0x2a, 0xae, 0x01, 0x56, 0x1d, 0x8b, 0xa8, 0x3a, 0x1d, 0x7b, 0xae, 0xfa, 0x3c, 0x88, 0xff, 0x56, 0xf2, 0xd9, 0xc6, 0x91, 0x94, 0x4f, 0x04, 0xd2, 0x5b, 0x1e, 0x61, 0x4f, 0x7e, 0x96, 0xcb, 0xdb, 0xa3, 0x3c, 0x33, 0xf5, 0x37, 0x52, 0x35, 0x54, 0x18, 0x51, 0xd0, 0x5d, 0xa3, 0x96, 0xe3, 0x66, 0x80, 0xc3, 0x93, 0xd9, 0xe2, 0x9d, 0x9b, 0x23, 0x5a, 0xbb, 0x33, 0x16, 0xe0, 0x77, 0xd4, 0x0f, 0x32, 0x3b, 0xa8, 0xe4, 0xe5, 0xa9, 0x7a, 0x7c, 0xf3, 0xcf, 0x24, 0xf8, 0xcf, 0x15, 0xda, 0x2e, 0xdc, 0x24, 0x5d, 0x33, 0x5b, 0x06, 0xa5, 0x7e, 0x81, 0x41, 0x46, 0x3f, 0x55, 0x6c, 0x5f, 0x1e, 0x53, 0x62, 0x9b, 0x25, 0x8d, 0xbb, 0x2e, 0x45, 0x2a, 0xf2, 0x0c, 0x10, 0x2a, 0x6a, 0x69, 0xd0, 0x09, 0xf4, 0x81, 0x1b, 0x71, 0x55, 0x02, 0x81, 0x80, 0x66, 0x63, 0x74, 0x4b, 0xd3, 0xd6, 0x9b, 0xfe, 0xc0, 0x27, 0x2d, 0x8b, 0x1b, 0x63, 0x9b, 0x94, 0x8e, 0x43, 0x50, 0x91, 0x94, 0xd6, 0x57, 0x86, 0x2c, 0x95, 0x64, 0xcf, 0xea, 0x37, 0x69, 0xb6, 0x24, 0xc6, 0x5d, 0x49, 0x2c, 0x1b, 0x90, 0xab, 0x50, 0xbc, 0x13, 0x51, 0x4d, 0x28, 0x1a, 0xcd, 0x86, 0xe0, 0x56, 0x4c, 0xb6, 0x1d, 0x14, 0x58, 0x64, 0x00, 0xc5, 0x4a, 0x34, 0x1c, 0xaf, 0x55, 0x30, 0xdf, 0x06, 0x4f, 0xf1, 0x92, 0x94, 0x4f, 0x43, 0xd0, 0x64, 0xaa, 0x18, 0x88, 0x50, 0xf2, 0x82, 0x16, 0x33, 0x8a, 0x84, 0xab, 0x68, 0x68, 0xbd, 0xc9, 0x26, 0x90, 0x1f, 0x7b, 0x07, 0x36, 0xbc, 0x85, 0xa3, 0x7e, 0xdb, 0x8e, 0xbc, 0xcd, 0xc0, 0x6c, 0xa7, 0xbb, 0xf1, 0xf2, 0x47, 0xf5, 0xb4, 0xc9, 0xad, 0x7a, 0x33, 0x48, 0xa0, 0x88, 0xe2, 0x9e, 0x44, 0x88, 0xe3, 0x8f, 0x8d, 0x01, 0x02, 0x81, 0x80, 0x04, 0xa3, 0xe0, 0xb3, 0x7e, 0xdd, 0x12, 0x94, 0x27, 0xb0, 0xac, 0x4b, 0x26, 0xfd, 0xb2, 0x5f, 0x2b, 0x91, 0x29, 0x5a, 0x0b, 0x2b, 0x9a, 0xeb, 0x08, 0x21, 0xde, 0x15, 0x79, 0x8a, 0x55, 0x0c, 0xec, 0xac, 0x85, 0x72, 0x11, 0xb6, 0x1d, 0x51, 0xf1, 0xa6, 0x28, 0xa0, 0x86, 0xae, 0x23, 0x7c, 0x4c, 0x2c, 0xfe, 0xce, 0xd4, 0xd3, 0xf2, 0x67, 0x47, 0x6c, 0xa7, 0xfd, 0xe6, 0x80, 0x4f, 0x8d, 0x54, 0xa9, 0x8a, 0xb8, 0x80, 0xc5, 0xbc, 0x6b, 0x7e, 0xe1, 0xc2, 0xa1, 0x24, 0xcf, 0x2d, 0xe1, 0x0c, 0x9f, 0x7b, 0x71, 0xcf, 0x75, 0xb2, 0x04, 0xf8, 0x51, 0xac, 0x07, 0x10, 0x56, 0x93, 0x46, 0x92, 0xdd, 0x1d, 0x5b, 0x1f, 0x94, 0x87, 0xcf, 0xe2, 0x99, 0x36, 0x89, 0xe7, 0xc2, 0x8a, 0x0a, 0x9e, 0x0d, 0x30, 0x17, 0xd5, 0x6d, 0xde, 0x10, 0x94, 0x47, 0x35, 0x89, 0x10, 0xe6, 0x8c, 0x0e};

    u8_t cert[] = {0x30, 0x82, 0x03, 0x6b, 0x30, 0x82, 0x02, 0x53, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x14, 0x72, 0x8e, 0xfd, 0x0e, 0x52, 0x0a, 0x87, 0xdd, 0x55, 0x25, 0xee, 0x05, 0x11, 0x1d, 0x0d, 0xf7, 0xc8, 0x64, 0x5b, 0xa0, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x30, 0x45, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x41, 0x55, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x53, 0x6f, 0x6d, 0x65, 0x2d, 0x53, 0x74, 0x61, 0x74, 0x65, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x08, 0x49, 0x4f, 0x20, 0x50, 0x72, 0x65, 0x73, 0x73, 0x31, 0x0e, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x05, 0x50, 0x69, 0x63, 0x6f, 0x57, 0x30, 0x1e, 0x17, 0x0d, 0x32, 0x33, 0x30, 0x32, 0x30, 0x36, 0x31, 0x35, 0x30, 0x39, 0x35, 0x34, 0x5a, 0x17, 0x0d, 0x32, 0x34, 0x30, 0x32, 0x30, 0x36, 0x31, 0x35, 0x30, 0x39, 0x35, 0x34, 0x5a, 0x30, 0x45, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x41, 0x55, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x53, 0x6f, 0x6d, 0x65, 0x2d, 0x53, 0x74, 0x61, 0x74, 0x65, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x08, 0x49, 0x4f, 0x20, 0x50, 0x72, 0x65, 0x73, 0x73, 0x31, 0x0e, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x05, 0x50, 0x69, 0x63, 0x6f, 0x57, 0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xbd, 0xb3, 0xb6, 0x94, 0x9f, 0x87, 0x85, 0xd6, 0xd4, 0xd0, 0xf9, 0x24, 0x4b, 0x8c, 0x7d, 0x9e, 0xf5, 0x83, 0xac, 0x90, 0x37, 0x5b, 0xdf, 0x4d, 0x9b, 0x05, 0x6b, 0x5f, 0xaa, 0x87, 0x31, 0x87, 0x0e, 0x97, 0x90, 0xa0, 0xff, 0x12, 0x81, 0xcc, 0xfe, 0x66, 0xa3, 0x8e, 0x34, 0x33, 0x63, 0x27, 0x10, 0xa4, 0xf1, 0x57, 0x27, 0x72, 0x54, 0x45, 0x41, 0x62, 0xee, 0x00, 0x36, 0xaa, 0x1f, 0xfa, 0xa3, 0xb0, 0x27, 0xeb, 0x3e, 0xf3, 0xcf, 0x04, 0x17, 0x68, 0x22, 0xf1, 0x1e, 0x1c, 0x9e, 0x27, 0x7d, 0x82, 0xb3, 0x3f, 0x3c, 0x12, 0x63, 0x94, 0x3b, 0xae, 0x87, 0x3c, 0x33, 0x6a, 0x08, 0x63, 0x84, 0xc2, 0xf8, 0x87, 0xbd, 0xfd, 0x25, 0x92, 0xb7, 0x8d, 0xdb, 0xac, 0xe9, 0xcb, 0x3f, 0x04, 0x3d, 0xee, 0x9f, 0xf6, 0x17, 0xbe, 0xea, 0x41, 0x7f, 0x2b, 0x2d, 0x4a, 0xbf, 0x64, 0xea, 0x01, 0x83, 0xf2, 0x59, 0x82, 0x6c, 0xcb, 0x6c, 0x1f, 0x91, 0x53, 0xde, 0x8a, 0x36, 0x7f, 0x41, 0x7e, 0x19, 0x02, 0x80, 0x42, 0x8c, 0xd5, 0xc1, 0x3c, 0x22, 0x06, 0xf4, 0x2d, 0x09, 0x45, 0xbf, 0xc1, 0x12, 0xe3, 0xfc, 0xa3, 0xc2, 0x89, 0x11, 0x7f, 0x01, 0xcb, 0x49, 0xab, 0xc1, 0x50, 0x37, 0xca, 0x03, 0xb7, 0x44, 0x94, 0x16, 0xbf, 0xd6, 0xf5, 0xa6, 0xbc, 0x10, 0x86, 0xf2, 0x97, 0xea, 0x66, 0x15, 0xa3, 0x9f, 0x4d, 0xf0, 0xe6, 0xa5, 0xfb, 0x1f, 0x25, 0xd7, 0x71, 0xed, 0x85, 0x53, 0x5b, 0x86, 0x1c, 0x46, 0x29, 0xb5, 0xa8, 0xa8, 0x25, 0x27, 0x5a, 0x51, 0x27, 0x30, 0xa7, 0x94, 0x07, 0x21, 0xf7, 0x66, 0xe2, 0xab, 0x16, 0x0e, 0x59, 0xa2, 0x7a, 0x70, 0x30, 0xba, 0x6b, 0x9f, 0xf9, 0x4d, 0x22, 0x4e, 0xa3, 0x33, 0x7e, 0x49, 0x43, 0x62, 0x29, 0xf5, 0xc7, 0x61, 0x7e, 0x5f, 0xcd, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x53, 0x30, 0x51, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x93, 0xc8, 0x8f, 0xac, 0x37, 0x01, 0x7e, 0x4d, 0xd2, 0x87, 0x7a, 0xb5, 0x26, 0xba, 0xd1, 0xa6, 0x1a, 0xcd, 0xd1, 0xb2, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0x93, 0xc8, 0x8f, 0xac, 0x37, 0x01, 0x7e, 0x4d, 0xd2, 0x87, 0x7a, 0xb5, 0x26, 0xba, 0xd1, 0xa6, 0x1a, 0xcd, 0xd1, 0xb2, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x5b, 0x91, 0x51, 0xe1, 0x89, 0x20, 0xf5, 0xdf, 0x02, 0x94, 0x59, 0x76, 0x9e, 0xdc, 0x53, 0xf3, 0x17, 0x8f, 0x96, 0x17, 0xd1, 0x2f, 0x65, 0x36, 0xd4, 0x56, 0x7e, 0xd8, 0x0d, 0x7e, 0x59, 0x79, 0xab, 0x47, 0x67, 0x01, 0xb6, 0x9e, 0xf6, 0x7a, 0x0d, 0x20, 0xd2, 0xb2, 0x2d, 0x87, 0x84, 0x07, 0x40, 0x2d, 0x83, 0x1e, 0x16, 0x4f, 0x2d, 0x20, 0xaf, 0xf2, 0xca, 0xde, 0x10, 0x73, 0x41, 0xb9, 0x48, 0x3c, 0x4f, 0x9d, 0x55, 0xbc, 0xee, 0x68, 0xae, 0x66, 0x4d, 0x5d, 0x41, 0xa9, 0xbc, 0x51, 0x6d, 0xe2, 0x37, 0x0c, 0x0f, 0xf4, 0x43, 0xa0, 0x84, 0xf9, 0x40, 0xbc, 0x89, 0xaa, 0xcd, 0x14, 0xb4, 0xd5, 0xda, 0xd1, 0xb3, 0x2c, 0x4a, 0x56, 0x7e, 0x86, 0x2c, 0x71, 0xaa, 0x75, 0x86, 0x48, 0x14, 0x2a, 0xbc, 0x05, 0xab, 0x14, 0x72, 0x72, 0x01, 0xc8, 0xff, 0x02, 0x3d, 0x2e, 0xe9, 0xef, 0x21, 0x4d, 0x71, 0xf3, 0x0c, 0xba, 0x40, 0xfd, 0x9f, 0xb1, 0x40, 0xea, 0x47, 0x65, 0x3d, 0xb7, 0x52, 0xd8, 0xbb, 0x13, 0x30, 0x38, 0xb4, 0x3c, 0xbf, 0x76, 0x06, 0xe2, 0xb3, 0x3f, 0xf7, 0x7b, 0xdd, 0xdf, 0x54, 0x7b, 0x8d, 0x0c, 0x4d, 0x4a, 0x96, 0xcd, 0x14, 0x5c, 0x7d, 0xed, 0xb3, 0x2f, 0xbd, 0x27, 0xc8, 0x52, 0x6e, 0x58, 0x8e, 0x9c, 0x07, 0xa1, 0x52, 0xe2, 0x49, 0x8c, 0x04, 0x3f, 0x84, 0x32, 0x7b, 0xff, 0x5f, 0xf4, 0xf2, 0xdf, 0x3c, 0x73, 0xff, 0x9f, 0x63, 0x0e, 0xe5, 0x7f, 0xdf, 0xa8, 0x7e, 0x4d, 0xf3, 0x29, 0xd8, 0x2b, 0x41, 0x25, 0xbc, 0x73, 0x41, 0x3b, 0x1f, 0x39, 0x64, 0x48, 0x85, 0xe5, 0x66, 0x90, 0x8c, 0xd3, 0x8a, 0xce, 0xdc, 0xb5, 0x0d, 0x93, 0xb0, 0xd0, 0x8a, 0xef, 0x74, 0x8f, 0x28, 0x2f, 0x2c, 0x96, 0x4a, 0x4f, 0xc3, 0xf1, 0xde, 0x25, 0xff, 0xd4};
    struct altcp_tls_config *tls_config = altcp_tls_create_config_server_privkey_cert(key, sizeof(key), NULL, 0, cert, sizeof(cert));
    struct altcp_pcb *pcb = altcp_tls_new(tls_config, IPADDR_TYPE_ANY);

    altcp_accept(pcb, accept);

    altcp_bind(pcb, IP_ADDR_ANY, 443);
    cyw43_arch_lwip_begin();
    pcb = altcp_listen_with_backlog(pcb, 3);
    cyw43_arch_lwip_end();
    while (true)
    {
        sleep_ms(500);
    }
}

Page 137 Full listing not in book

Simple HTTPS Server lwipopts.h

#ifndef _LWIPOPTS_EXAMPLE_COMMONH_H
#define _LWIPOPTS_EXAMPLE_COMMONH_H


// Common settings used in most of the pico_w examples
// (see https://www.nongnu.org/lwip/2_1_x/group__lwip__opts.html for details)

// allow override in some examples
#ifndef NO_SYS
#define NO_SYS                      1
#endif
// allow override in some examples
#ifndef LWIP_SOCKET
#define LWIP_SOCKET                 0
#endif
#if PICO_CYW43_ARCH_POLL
#define MEM_LIBC_MALLOC             1
#else
// MEM_LIBC_MALLOC is incompatible with non polling versions
#define MEM_LIBC_MALLOC             0
#endif
#define MEM_ALIGNMENT               4
#define MEM_SIZE                    4000
#define MEMP_NUM_TCP_SEG            32
#define MEMP_NUM_ARP_QUEUE          10
#define PBUF_POOL_SIZE              24
#define LWIP_ARP                    1
#define LWIP_ETHERNET               1
#define LWIP_ICMP                   1
#define LWIP_RAW                    1
#define TCP_WND                     (8 * TCP_MSS)
#define TCP_MSS                     1460
#define TCP_SND_BUF                 (8 * TCP_MSS)
#define TCP_SND_QUEUELEN            ((4 * (TCP_SND_BUF) + (TCP_MSS - 1)) / (TCP_MSS))
#define LWIP_NETIF_STATUS_CALLBACK  1
#define LWIP_NETIF_LINK_CALLBACK    1
#define LWIP_NETIF_HOSTNAME         1
#define LWIP_NETCONN                0
#define MEM_STATS                   0
#define SYS_STATS                   0
#define MEMP_STATS                  0
#define LINK_STATS                  0
// #define ETH_PAD_SIZE                2
#define LWIP_CHKSUM_ALGORITHM       3
#define LWIP_DHCP                   1
#define LWIP_IPV4                   1
#define LWIP_TCP                    1
#define LWIP_UDP                    1
#define LWIP_DNS                    1
#define LWIP_TCP_KEEPALIVE          1
#define LWIP_NETIF_TX_SINGLE_PBUF   1
#define DHCP_DOES_ARP_CHECK         0
#define LWIP_DHCP_DOES_ACD_CHECK    0

#ifndef NDEBUG
#define LWIP_DEBUG                  1
#define LWIP_STATS                  1
#define LWIP_STATS_DISPLAY          1
#endif

#define ETHARP_DEBUG                LWIP_DBG_OFF
#define NETIF_DEBUG                 LWIP_DBG_OFF
#define PBUF_DEBUG                  LWIP_DBG_OFF
#define API_LIB_DEBUG               LWIP_DBG_OFF
#define API_MSG_DEBUG               LWIP_DBG_OFF
#define SOCKETS_DEBUG               LWIP_DBG_OFF
#define ICMP_DEBUG                  LWIP_DBG_OFF
#define INET_DEBUG                  LWIP_DBG_OFF
#define IP_DEBUG                    LWIP_DBG_OFF
#define IP_REASS_DEBUG              LWIP_DBG_OFF
#define RAW_DEBUG                   LWIP_DBG_OFF
#define MEM_DEBUG                   LWIP_DBG_OFF
#define MEMP_DEBUG                  LWIP_DBG_OFF
#define SYS_DEBUG                   LWIP_DBG_OFF
#define TCP_DEBUG                   LWIP_DBG_OFF
#define TCP_INPUT_DEBUG             LWIP_DBG_OFF
#define TCP_OUTPUT_DEBUG            LWIP_DBG_OFF
#define TCP_RTO_DEBUG               LWIP_DBG_OFF
#define TCP_CWND_DEBUG              LWIP_DBG_OFF
#define TCP_WND_DEBUG               LWIP_DBG_OFF
#define TCP_FR_DEBUG                LWIP_DBG_OFF
#define TCP_QLEN_DEBUG              LWIP_DBG_OFF
#define TCP_RST_DEBUG               LWIP_DBG_OFF
#define UDP_DEBUG                   LWIP_DBG_OFF
#define TCPIP_DEBUG                 LWIP_DBG_OFF
#define PPP_DEBUG                   LWIP_DBG_OFF
#define SLIP_DEBUG                  LWIP_DBG_OFF
#define DHCP_DEBUG                  LWIP_DBG_OFF

#undef TCP_WND
#define TCP_WND  16384

#define LWIP_ALTCP               1
#define LWIP_ALTCP_TLS           1
#define LWIP_ALTCP_TLS_MBEDTLS   1

#define LWIP_DEBUG 1
#define ALTCP_MBEDTLS_DEBUG  LWIP_DBG_ON
#define TCP_LISTEN_BACKLOG       1
#endif /* __LWIPOPTS_H__ */

Page 137 Full listing not in book

Simple HTTPS Server mbedtls_config.h

//Hardware config
#define MBEDTLS_NO_PLATFORM_ENTROPY
#define MBEDTLS_ENTROPY_HARDWARE_ALT
#define MBEDTLS_HAVE_TIME

//error reporting
#define MBEDTLS_ERROR_C
//used by LwIP
#define MBEDTLS_ENTROPY_C
#define MBEDTLS_CTR_DRBG_C

//RSA KEY EXCHANGE
#define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
#define MBEDTLS_RSA_C

//general key exchange
#define MBEDTLS_PKCS1_V15
#define MBEDTLS_BIGNUM_C
#define MBEDTLS_PK_C
#define MBEDTLS_PK_PARSE_C

//encryption
#define MBEDTLS_AES_C
#define MBEDTLS_CCM_C
#define MBEDTLS_CIPHER_MODE_CBC
#define MBEDTLS_AES_FEWER_TABLES
#define MBEDTLS_GCM_C

//certs
#define MBEDTLS_X509_CRT_PARSE_C
#define MBEDTLS_X509_USE_C
#define MBEDTLS_OID_C
#define MBEDTLS_ASN1_PARSE_C
#define MBEDTLS_ASN1_WRITE_C

//hash methods
#define MBEDTLS_SHA1_C
#define MBEDTLS_SHA224_C
#define MBEDTLS_SHA256_C
#define MBEDTLS_SHA512_C

//TLS
#define MBEDTLS_CIPHER_C
#define MBEDTLS_SSL_TLS_C
#define MBEDTLS_MD_C

//enable client and server modes and TLS
#define MBEDTLS_SSL_CLI_C
#define MBEDTLS_SSL_SERVER_NAME_INDICATION

#define MBEDTLS_SSL_SRV_C

//enable TLS 1.2
#define MBEDTLS_SSL_PROTO_TLS1_2

#include "/home/pi/pico/pico-sdk/lib/mbedtls/include/mbedtls/check_config.h"

Page 137 Full listing not in book

Simple HTTPS Server CMakeLists.txt

cmake_minimum_required(VERSION 3.13)
set(PICO_BOARD pico_w)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)

include(pico_sdk_import.cmake)
project(PicoW C CXX ASM)
pico_sdk_init()

add_executable(main
 main.c
)

target_include_directories(main PRIVATE ${CMAKE_CURRENT_LIST_DIR})

target_link_libraries(main pico_stdlib pico_cyw43_arch_lwip_threadsafe_background hardware_rtc pico_lwip_mbedtls pico_mbedtls)
pico_add_extra_outputs(main)

Page 140 Simple HTTP Bultin Server Main Program  

#include <stdio.h>

#include "pico/stdlib.h"
#include "pico/cyw43_arch.h"
#include "lwip/apps/httpd.h"
#include "setupWifi.h"

int main()
{
    stdio_init_all();
    connect();

    httpd_init();

    while (true)
    {
        sleep_ms(500);
    }
}

Page 140 Full listing not in book

Simple HTTP Bultin Server Cmakelists.txt

cmake_minimum_required(VERSION 3.13)
set(PICO_BOARD pico_w)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)

include(pico_sdk_import.cmake)
project(PicoW C CXX ASM)
pico_sdk_init()

add_executable(main
main.c
)

target_include_directories(main PRIVATE ${CMAKE_CURRENT_LIST_DIR})

target_link_libraries(main pico_stdlib pico_cyw43_arch_lwip_threadsafe_background pico_lwip_http)
pico_add_extra_outputs(main)

Page 140 Full listing not in book

Simple HTTP Bultin Server lwipopts.h

#ifndef _LWIPOPTS_EXAMPLE_COMMONH_H
#define _LWIPOPTS_EXAMPLE_COMMONH_H

// Common settings used in most of the pico_w examples
// (see https://www.nongnu.org/lwip/2_1_x/group__lwip__opts.html for details)

// allow override in some examples
#ifndef NO_SYS
#define NO_SYS 1
#endif
// allow override in some examples
#ifndef LWIP_SOCKET
#define LWIP_SOCKET 0
#endif
#if PICO_CYW43_ARCH_POLL
#define MEM_LIBC_MALLOC 1
#else
// MEM_LIBC_MALLOC is incompatible with non polling versions
#define MEM_LIBC_MALLOC 0
#endif
#define MEM_ALIGNMENT 4
#define MEM_SIZE 4000
#define MEMP_NUM_TCP_SEG 32
#define MEMP_NUM_ARP_QUEUE 10
#define PBUF_POOL_SIZE 24
#define LWIP_ARP 1
#define LWIP_ETHERNET 1
#define LWIP_ICMP 1
#define LWIP_RAW 1
#define TCP_WND (8 * TCP_MSS)
#define TCP_MSS 1460
#define TCP_SND_BUF (8 * TCP_MSS)
#define TCP_SND_QUEUELEN ((4 * (TCP_SND_BUF) + (TCP_MSS - 1)) / (TCP_MSS))
#define LWIP_NETIF_STATUS_CALLBACK 1
#define LWIP_NETIF_LINK_CALLBACK 1
#define LWIP_NETIF_HOSTNAME 1
#define LWIP_NETCONN 0
#define MEM_STATS 0
#define SYS_STATS 0
#define MEMP_STATS 0
#define LINK_STATS 0
// #define ETH_PAD_SIZE 2
#define LWIP_CHKSUM_ALGORITHM 3
#define LWIP_DHCP 1
#define LWIP_IPV4 1
#define LWIP_TCP 1
#define LWIP_UDP 1
#define LWIP_DNS 1
#define LWIP_TCP_KEEPALIVE 1
#define LWIP_NETIF_TX_SINGLE_PBUF 1
#define DHCP_DOES_ARP_CHECK 0
#define LWIP_DHCP_DOES_ACD_CHECK 0

#ifndef NDEBUG
#define LWIP_DEBUG 1
#define LWIP_STATS 1
#define LWIP_STATS_DISPLAY 1
#endif

#define ETHARP_DEBUG LWIP_DBG_OFF
#define NETIF_DEBUG LWIP_DBG_OFF
#define PBUF_DEBUG LWIP_DBG_OFF
#define API_LIB_DEBUG LWIP_DBG_OFF
#define API_MSG_DEBUG LWIP_DBG_OFF
#define SOCKETS_DEBUG LWIP_DBG_OFF
#define ICMP_DEBUG LWIP_DBG_OFF
#define INET_DEBUG LWIP_DBG_OFF
#define IP_DEBUG LWIP_DBG_OFF
#define IP_REASS_DEBUG LWIP_DBG_OFF
#define RAW_DEBUG LWIP_DBG_OFF
#define MEM_DEBUG LWIP_DBG_OFF
#define MEMP_DEBUG LWIP_DBG_OFF
#define SYS_DEBUG LWIP_DBG_OFF
#define TCP_DEBUG LWIP_DBG_OFF
#define TCP_INPUT_DEBUG LWIP_DBG_OFF
#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
#define TCP_RTO_DEBUG LWIP_DBG_OFF
#define TCP_CWND_DEBUG LWIP_DBG_OFF
#define TCP_WND_DEBUG LWIP_DBG_OFF
#define TCP_FR_DEBUG LWIP_DBG_OFF
#define TCP_QLEN_DEBUG LWIP_DBG_OFF
#define TCP_RST_DEBUG LWIP_DBG_OFF
#define UDP_DEBUG LWIP_DBG_OFF
#define TCPIP_DEBUG LWIP_DBG_OFF
#define PPP_DEBUG LWIP_DBG_OFF
#define SLIP_DEBUG LWIP_DBG_OFF
#define DHCP_DEBUG LWIP_DBG_OFF

#undef TCP_WND
#define TCP_WND 16384

#define LWIP_ALTCP 1

#define LWIP_DEBUG 1
#define TCP_LISTEN_BACKLOG 1

#endif /* __LWIPOPTS_H__ */

Page 141 Linux Cmakelists.txt for htmlgen

cmake_minimum_required(VERSION 3.13)
project(makefsdata C CXX ASM)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)

add_executable(htmlgen
 makefsdata.c
)

target_include_directories(htmlgen
         PRIVATE ../../../../src/include/
         PRIVATE ../../../../contrib/ports/unix/port/include/
         PRIVATE ${CMAKE_CURRENT_LIST_DIR})

Page 141 Windows Cmakelists.txt for htmlgen

cmake_minimum_required(VERSION 3.13)

project(makefsdata C CXX ASM)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)

add_executable(htmlgen
 makefsdata.c
)

target_include_directories(htmlgen
         PRIVATE ../../../../src/include/

         PRIVATE ../../../../contrib/ports/win32/include/

         PRIVATE ${CMAKE_CURRENT_LIST_DIR})

Page 151

Simple HTTPS Bultin Server Main Program TLS and SSI

#include <stdio.h>

#include "pico/stdlib.h"
#include "pico/cyw43_arch.h"
#include "lwip/altcp_tls.h"

#include "lwip/apps/httpd.h"
#include "hardware/structs/rosc.h"

#include "hardware/rtc.h"
#include "time.h"

#include "setupWifi.h"

#define BUF_SIZE 2048





void getDateNow(struct tm *t)
{
    datetime_t rtc;
    rtc_get_datetime(&rtc);

    t->tm_sec = rtc.sec;
    t->tm_min = rtc.min;
    t->tm_hour = rtc.hour;
    t->tm_mday = rtc.day;
    t->tm_mon = rtc.month - 1;
    t->tm_year = rtc.year - 1900;
    t->tm_wday = rtc.dotw;
    t->tm_yday = 0;
    t->tm_isdst = -1;
}

void setRTC()
{
    datetime_t t = {
        .year = 2023,
        .month = 02,
        .day = 05,
        .dotw = 0,
        .hour = 6,
        .min = 14,
        .sec = 00};
    rtc_init();
    rtc_set_datetime(&t);
}

const char *ssitags[] = {"temp", "hum"};

u16_t mySSIHandler(int iIndex, char *pcInsert, int iInsertLen)
{
    switch(iIndex){
        case 0:
            snprintf(pcInsert, iInsertLen, "42 C");
            break;
        case 1:
            snprintf(pcInsert, iInsertLen, "80%%");
            break;
    }
}

int main()
{
    stdio_init_all();
    setRTC();
    connect();


    u8_t key[] = {0x30, 0x82, 0x04, 0xbd, 0x02, 0x01, 0x00, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x04, 0xa7, 0x30, 0x82, 0x04, 0xa3, 0x02, 0x01, 0x00, 0x02, 0x82, 0x01, 0x01, 0x00, 0xbd, 0xb3, 0xb6, 0x94, 0x9f, 0x87, 0x85, 0xd6, 0xd4, 0xd0, 0xf9, 0x24, 0x4b, 0x8c, 0x7d, 0x9e, 0xf5, 0x83, 0xac, 0x90, 0x37, 0x5b, 0xdf, 0x4d, 0x9b, 0x05, 0x6b, 0x5f, 0xaa, 0x87, 0x31, 0x87, 0x0e, 0x97, 0x90, 0xa0, 0xff, 0x12, 0x81, 0xcc, 0xfe, 0x66, 0xa3, 0x8e, 0x34, 0x33, 0x63, 0x27, 0x10, 0xa4, 0xf1, 0x57, 0x27, 0x72, 0x54, 0x45, 0x41, 0x62, 0xee, 0x00, 0x36, 0xaa, 0x1f, 0xfa, 0xa3, 0xb0, 0x27, 0xeb, 0x3e, 0xf3, 0xcf, 0x04, 0x17, 0x68, 0x22, 0xf1, 0x1e, 0x1c, 0x9e, 0x27, 0x7d, 0x82, 0xb3, 0x3f, 0x3c, 0x12, 0x63, 0x94, 0x3b, 0xae, 0x87, 0x3c, 0x33, 0x6a, 0x08, 0x63, 0x84, 0xc2, 0xf8, 0x87, 0xbd, 0xfd, 0x25, 0x92, 0xb7, 0x8d, 0xdb, 0xac, 0xe9, 0xcb, 0x3f, 0x04, 0x3d, 0xee, 0x9f, 0xf6, 0x17, 0xbe, 0xea, 0x41, 0x7f, 0x2b, 0x2d, 0x4a, 0xbf, 0x64, 0xea, 0x01, 0x83, 0xf2, 0x59, 0x82, 0x6c, 0xcb, 0x6c, 0x1f, 0x91, 0x53, 0xde, 0x8a, 0x36, 0x7f, 0x41, 0x7e, 0x19, 0x02, 0x80, 0x42, 0x8c, 0xd5, 0xc1, 0x3c, 0x22, 0x06, 0xf4, 0x2d, 0x09, 0x45, 0xbf, 0xc1, 0x12, 0xe3, 0xfc, 0xa3, 0xc2, 0x89, 0x11, 0x7f, 0x01, 0xcb, 0x49, 0xab, 0xc1, 0x50, 0x37, 0xca, 0x03, 0xb7, 0x44, 0x94, 0x16, 0xbf, 0xd6, 0xf5, 0xa6, 0xbc, 0x10, 0x86, 0xf2, 0x97, 0xea, 0x66, 0x15, 0xa3, 0x9f, 0x4d, 0xf0, 0xe6, 0xa5, 0xfb, 0x1f, 0x25, 0xd7, 0x71, 0xed, 0x85, 0x53, 0x5b, 0x86, 0x1c, 0x46, 0x29, 0xb5, 0xa8, 0xa8, 0x25, 0x27, 0x5a, 0x51, 0x27, 0x30, 0xa7, 0x94, 0x07, 0x21, 0xf7, 0x66, 0xe2, 0xab, 0x16, 0x0e, 0x59, 0xa2, 0x7a, 0x70, 0x30, 0xba, 0x6b, 0x9f, 0xf9, 0x4d, 0x22, 0x4e, 0xa3, 0x33, 0x7e, 0x49, 0x43, 0x62, 0x29, 0xf5, 0xc7, 0x61, 0x7e, 0x5f, 0xcd, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x82, 0x01, 0x00, 0x1e, 0x04, 0x4b, 0xc5, 0xa4, 0xa0, 0x8b, 0x1a, 0xfd, 0x3d, 0xbb, 0xce, 0x74, 0x6d, 0xdc, 0x8a, 0xc4, 0x8a, 0x7b, 0x49, 0xae, 0x98, 0xc8, 0xf2, 0xbc, 0xae, 0xd4, 0xd8, 0xa4, 0x61, 0x14, 0x03, 0x2c, 0xd9, 0xea, 0xb6, 0xae, 0xe5, 0xbc, 0xc8, 0x35, 0x11, 0x04, 0x9c, 0x41, 0xc2, 0x47, 0xd4, 0x2c, 0x9c, 0x0c, 0xdc, 0x1f, 0x8f, 0xc5, 0xa9, 0xd7, 0xb8, 0xd1, 0xb4, 0x12, 0xf2, 0x44, 0x71, 0x22, 0x69, 0x83, 0x47, 0x84, 0x04, 0x8c, 0x23, 0x37, 0x98, 0xf0, 0xbe, 0x7a, 0x67, 0x48, 0xd7, 0x32, 0xd2, 0xf5, 0x8d, 0xf1, 0xf1, 0x6e, 0xf4, 0x4b, 0xa5, 0x48, 0x1c, 0xcc, 0x7d, 0xe0, 0xa9, 0xee, 0x9d, 0xf3, 0x39, 0x77, 0x64, 0x91, 0x07, 0x70, 0x27, 0xf0, 0x34, 0xa2, 0x21, 0xd8, 0xec, 0xd0, 0xe7, 0xeb, 0x43, 0xc3, 0x6a, 0x20, 0x23, 0x10, 0xfe, 0x42, 0x02, 0x6b, 0xda, 0x89, 0xf4, 0x41, 0x96, 0x64, 0x32, 0x52, 0x20, 0x05, 0x0d, 0x5b, 0xf3, 0x67, 0x51, 0xb7, 0x7d, 0xd1, 0x24, 0x0b, 0x2c, 0x33, 0x84, 0x5b, 0xf9, 0xed, 0x66, 0xe6, 0x3c, 0x4d, 0xdf, 0x09, 0x3e, 0xd5, 0xe5, 0x1c, 0x27, 0x2c, 0x81, 0xee, 0x03, 0x91, 0x8d, 0xc0, 0x2b, 0x3e, 0xd9, 0x37, 0x8e, 0x3d, 0xd1, 0x30, 0xd6, 0x97, 0x7b, 0x98, 0xfb, 0x80, 0x13, 0x5a, 0x84, 0x08, 0x90, 0x0d, 0x5c, 0x99, 0x51, 0x4f, 0x8f, 0xab, 0x0c, 0x39, 0x69, 0x76, 0xf8, 0xf4, 0xfd, 0xa7, 0x04, 0x8d, 0x72, 0x27, 0xa6, 0x1e, 0xbd, 0xff, 0x10, 0x43, 0xe8, 0x53, 0xe7, 0x08, 0xb8, 0xbd, 0x55, 0xb4, 0x7a, 0xa2, 0x44, 0xe9, 0xe7, 0x78, 0xf7, 0x11, 0x49, 0x01, 0x70, 0x60, 0xdf, 0xe8, 0xd1, 0xb0, 0x8c, 0xa2, 0x3d, 0x98, 0x07, 0x9b, 0x66, 0xff, 0xe8, 0x68, 0x33, 0x82, 0xe3, 0x75, 0x3d, 0x37, 0x8d, 0xf2, 0x41, 0x02, 0x81, 0x81, 0x00, 0xe8, 0xc0, 0x12, 0x7f, 0x02, 0x98, 0x75, 0x23, 0xa6, 0x32, 0x92, 0x4e, 0x11, 0x27, 0xad, 0xda, 0x5b, 0x9e, 0xec, 0x9c, 0xa4, 0xb4, 0x26, 0x2b, 0x2b, 0xd4, 0xdb, 0x1a, 0x9e, 0xd5, 0xd3, 0xa8, 0xb4, 0x29, 0x58, 0x79, 0x96, 0x9f, 0x1a, 0xff, 0xdc, 0xef, 0x4c, 0xb3, 0x1b, 0x79, 0x36, 0xd3, 0x03, 0x4d, 0x08, 0x15, 0x54, 0xa7, 0x84, 0x2d, 0xc3, 0xb2, 0x44, 0x75, 0x15, 0x9f, 0x57, 0xae, 0x25, 0x64, 0xcc, 0x5f, 0xdf, 0x7d, 0xd3, 0xe9, 0xb7, 0xbc, 0xeb, 0x01, 0x92, 0xda, 0x9f, 0x7e, 0xc3, 0xc6, 0xce, 0xd9, 0xc2, 0x16, 0x5a, 0x52, 0x0c, 0x1e, 0xe2, 0x92, 0x4a, 0xf2, 0x33, 0x13, 0x78, 0x5f, 0xa3, 0xa8, 0x0d, 0x99, 0x75, 0x8d, 0x33, 0xd5, 0x71, 0xc6, 0x3c, 0x86, 0xf9, 0x36, 0xbf, 0x86, 0x2e, 0xc3, 0xfe, 0x63, 0x7d, 0x50, 0x94, 0xb6, 0x71, 0x7f, 0x9f, 0xb6, 0x55, 0xa5, 0x02, 0x81, 0x81, 0x00, 0xd0, 0xa6, 0xcd, 0xaf, 0x92, 0x3b, 0x7a, 0x2f, 0x17, 0xfd, 0xd1, 0x05, 0x6b, 0x9c, 0x95, 0xb7, 0x7b, 0x39, 0x0c, 0xa5, 0xde, 0xb1, 0xa4, 0x86, 0x87, 0x39, 0x73, 0xb0, 0x22, 0xb3, 0x7c, 0x6a, 0x14, 0xdc, 0x19, 0x98, 0xa7, 0xe7, 0x02, 0xdb, 0x54, 0xa0, 0xc3, 0xbc, 0x80, 0x54, 0x60, 0xb6, 0xa6, 0xf4, 0xc5, 0x01, 0xe1, 0xc3, 0xf7, 0xc3, 0xd2, 0xdb, 0xe7, 0x1f, 0xc9, 0xcc, 0x51, 0x66, 0x66, 0xd0, 0xce, 0x31, 0x5a, 0x31, 0x76, 0xb7, 0x98, 0x52, 0xda, 0x82, 0xe8, 0x33, 0xc8, 0xf0, 0x1a, 0x8f, 0x95, 0x46, 0x7f, 0x48, 0x72, 0x47, 0x1e, 0x33, 0x3c, 0x0f, 0xd7, 0x55, 0x21, 0xc3, 0xea, 0x10, 0x8e, 0xae, 0xbc, 0x18, 0xa5, 0xcc, 0x85, 0xf1, 0x09, 0x3d, 0x15, 0x82, 0xa0, 0x49, 0x55, 0xd6, 0x7f, 0x64, 0xe0, 0xb0, 0xf0, 0x17, 0x75, 0xbd, 0x92, 0xc7, 0x83, 0xe3, 0x59, 0x09, 0x02, 0x81, 0x81, 0x00, 0x88, 0x6b, 0xd4, 0x2b, 0x87, 0xcc, 0xee, 0x93, 0xe7, 0x9d, 0x2a, 0xae, 0x01, 0x56, 0x1d, 0x8b, 0xa8, 0x3a, 0x1d, 0x7b, 0xae, 0xfa, 0x3c, 0x88, 0xff, 0x56, 0xf2, 0xd9, 0xc6, 0x91, 0x94, 0x4f, 0x04, 0xd2, 0x5b, 0x1e, 0x61, 0x4f, 0x7e, 0x96, 0xcb, 0xdb, 0xa3, 0x3c, 0x33, 0xf5, 0x37, 0x52, 0x35, 0x54, 0x18, 0x51, 0xd0, 0x5d, 0xa3, 0x96, 0xe3, 0x66, 0x80, 0xc3, 0x93, 0xd9, 0xe2, 0x9d, 0x9b, 0x23, 0x5a, 0xbb, 0x33, 0x16, 0xe0, 0x77, 0xd4, 0x0f, 0x32, 0x3b, 0xa8, 0xe4, 0xe5, 0xa9, 0x7a, 0x7c, 0xf3, 0xcf, 0x24, 0xf8, 0xcf, 0x15, 0xda, 0x2e, 0xdc, 0x24, 0x5d, 0x33, 0x5b, 0x06, 0xa5, 0x7e, 0x81, 0x41, 0x46, 0x3f, 0x55, 0x6c, 0x5f, 0x1e, 0x53, 0x62, 0x9b, 0x25, 0x8d, 0xbb, 0x2e, 0x45, 0x2a, 0xf2, 0x0c, 0x10, 0x2a, 0x6a, 0x69, 0xd0, 0x09, 0xf4, 0x81, 0x1b, 0x71, 0x55, 0x02, 0x81, 0x80, 0x66, 0x63, 0x74, 0x4b, 0xd3, 0xd6, 0x9b, 0xfe, 0xc0, 0x27, 0x2d, 0x8b, 0x1b, 0x63, 0x9b, 0x94, 0x8e, 0x43, 0x50, 0x91, 0x94, 0xd6, 0x57, 0x86, 0x2c, 0x95, 0x64, 0xcf, 0xea, 0x37, 0x69, 0xb6, 0x24, 0xc6, 0x5d, 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    u8_t cert[] = {0x30, 0x82, 0x03, 0x6b, 0x30, 0x82, 0x02, 0x53, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x14, 0x72, 0x8e, 0xfd, 0x0e, 0x52, 0x0a, 0x87, 0xdd, 0x55, 0x25, 0xee, 0x05, 0x11, 0x1d, 0x0d, 0xf7, 0xc8, 0x64, 0x5b, 0xa0, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x30, 0x45, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x41, 0x55, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x53, 0x6f, 0x6d, 0x65, 0x2d, 0x53, 0x74, 0x61, 0x74, 0x65, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x08, 0x49, 0x4f, 0x20, 0x50, 0x72, 0x65, 0x73, 0x73, 0x31, 0x0e, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x05, 0x50, 0x69, 0x63, 0x6f, 0x57, 0x30, 0x1e, 0x17, 0x0d, 0x32, 0x33, 0x30, 0x32, 0x30, 0x36, 0x31, 0x35, 0x30, 0x39, 0x35, 0x34, 0x5a, 0x17, 0x0d, 0x32, 0x34, 0x30, 0x32, 0x30, 0x36, 0x31, 0x35, 0x30, 0x39, 0x35, 0x34, 0x5a, 0x30, 0x45, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 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0xf6, 0x7a, 0x0d, 0x20, 0xd2, 0xb2, 0x2d, 0x87, 0x84, 0x07, 0x40, 0x2d, 0x83, 0x1e, 0x16, 0x4f, 0x2d, 0x20, 0xaf, 0xf2, 0xca, 0xde, 0x10, 0x73, 0x41, 0xb9, 0x48, 0x3c, 0x4f, 0x9d, 0x55, 0xbc, 0xee, 0x68, 0xae, 0x66, 0x4d, 0x5d, 0x41, 0xa9, 0xbc, 0x51, 0x6d, 0xe2, 0x37, 0x0c, 0x0f, 0xf4, 0x43, 0xa0, 0x84, 0xf9, 0x40, 0xbc, 0x89, 0xaa, 0xcd, 0x14, 0xb4, 0xd5, 0xda, 0xd1, 0xb3, 0x2c, 0x4a, 0x56, 0x7e, 0x86, 0x2c, 0x71, 0xaa, 0x75, 0x86, 0x48, 0x14, 0x2a, 0xbc, 0x05, 0xab, 0x14, 0x72, 0x72, 0x01, 0xc8, 0xff, 0x02, 0x3d, 0x2e, 0xe9, 0xef, 0x21, 0x4d, 0x71, 0xf3, 0x0c, 0xba, 0x40, 0xfd, 0x9f, 0xb1, 0x40, 0xea, 0x47, 0x65, 0x3d, 0xb7, 0x52, 0xd8, 0xbb, 0x13, 0x30, 0x38, 0xb4, 0x3c, 0xbf, 0x76, 0x06, 0xe2, 0xb3, 0x3f, 0xf7, 0x7b, 0xdd, 0xdf, 0x54, 0x7b, 0x8d, 0x0c, 0x4d, 0x4a, 0x96, 0xcd, 0x14, 0x5c, 0x7d, 0xed, 0xb3, 0x2f, 0xbd, 0x27, 0xc8, 0x52, 0x6e, 0x58, 0x8e, 0x9c, 0x07, 0xa1, 0x52, 0xe2, 0x49, 0x8c, 0x04, 0x3f, 0x84, 0x32, 0x7b, 0xff, 0x5f, 0xf4, 0xf2, 0xdf, 0x3c, 0x73, 0xff, 0x9f, 0x63, 0x0e, 0xe5, 0x7f, 0xdf, 0xa8, 0x7e, 0x4d, 0xf3, 0x29, 0xd8, 0x2b, 0x41, 0x25, 0xbc, 0x73, 0x41, 0x3b, 0x1f, 0x39, 0x64, 0x48, 0x85, 0xe5, 0x66, 0x90, 0x8c, 0xd3, 0x8a, 0xce, 0xdc, 0xb5, 0x0d, 0x93, 0xb0, 0xd0, 0x8a, 0xef, 0x74, 0x8f, 0x28, 0x2f, 0x2c, 0x96, 0x4a, 0x4f, 0xc3, 0xf1, 0xde, 0x25, 0xff, 0xd4};
    struct altcp_tls_config *tls_config = altcp_tls_create_config_server_privkey_cert(key, sizeof(key), NULL, 0, cert, sizeof(cert));
    http_set_ssi_handler(mySSIHandler, ssitags, 2);
    httpd_inits(tls_config);
    while (true)
    {
        sleep_ms(500);
    }
}

Page 151 Simple HTTPS Bultin Server TLS and SSI CMakeLists.txt

cmake_minimum_required(VERSION 3.13)
set(PICO_BOARD pico_w)
set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)

include(pico_sdk_import.cmake)
project(PicoW C CXX ASM)
pico_sdk_init()

add_executable(main
main.c
)

target_include_directories(main PRIVATE ${CMAKE_CURRENT_LIST_DIR})

target_link_libraries(main pico_stdlib pico_cyw43_arch_lwip_threadsafe_background hardware_rtc pico_lwip_mbedtls pico_mbedtls pico_lwip_http)
pico_add_extra_outputs(main)

Page 151 Full listing not in book

Simple HTTPS Bultin Server LWIPOPTS.H TLS and SSI

#ifndef _LWIPOPTS_EXAMPLE_COMMONH_H
#define _LWIPOPTS_EXAMPLE_COMMONH_H


// Common settings used in most of the pico_w examples
// (see https://www.nongnu.org/lwip/2_1_x/group__lwip__opts.html for details)

// allow override in some examples
#ifndef NO_SYS
#define NO_SYS                      1
#endif
// allow override in some examples
#ifndef LWIP_SOCKET
#define LWIP_SOCKET                 0
#endif
#if PICO_CYW43_ARCH_POLL
#define MEM_LIBC_MALLOC             1
#else
// MEM_LIBC_MALLOC is incompatible with non polling versions
#define MEM_LIBC_MALLOC             0
#endif
#define MEM_ALIGNMENT               4
#define MEM_SIZE                    4000
#define MEMP_NUM_TCP_SEG            32
#define MEMP_NUM_ARP_QUEUE          10
#define PBUF_POOL_SIZE              24
#define LWIP_ARP                    1
#define LWIP_ETHERNET               1
#define LWIP_ICMP                   1
#define LWIP_RAW                    1
#define TCP_WND                     (8 * TCP_MSS)
#define TCP_MSS                     1460
#define TCP_SND_BUF                 (8 * TCP_MSS)
#define TCP_SND_QUEUELEN            ((4 * (TCP_SND_BUF) + (TCP_MSS - 1)) / (TCP_MSS))
#define LWIP_NETIF_STATUS_CALLBACK  1
#define LWIP_NETIF_LINK_CALLBACK    1
#define LWIP_NETIF_HOSTNAME         1
#define LWIP_NETCONN                0
#define MEM_STATS                   0
#define SYS_STATS                   0
#define MEMP_STATS                  0
#define LINK_STATS                  0
// #define ETH_PAD_SIZE                2
#define LWIP_CHKSUM_ALGORITHM       3
#define LWIP_DHCP                   1
#define LWIP_IPV4                   1
#define LWIP_TCP                    1
#define LWIP_UDP                    1
#define LWIP_DNS                    1
#define LWIP_TCP_KEEPALIVE          1
#define LWIP_NETIF_TX_SINGLE_PBUF   1
#define DHCP_DOES_ARP_CHECK         0
#define LWIP_DHCP_DOES_ACD_CHECK    0

#ifndef NDEBUG
#define LWIP_DEBUG                  1
#define LWIP_STATS                  1
#define LWIP_STATS_DISPLAY          1
#endif

#define ETHARP_DEBUG                LWIP_DBG_OFF
#define NETIF_DEBUG                 LWIP_DBG_OFF
#define PBUF_DEBUG                  LWIP_DBG_OFF
#define API_LIB_DEBUG               LWIP_DBG_OFF
#define API_MSG_DEBUG               LWIP_DBG_OFF
#define SOCKETS_DEBUG               LWIP_DBG_OFF
#define ICMP_DEBUG                  LWIP_DBG_OFF
#define INET_DEBUG                  LWIP_DBG_OFF
#define IP_DEBUG                    LWIP_DBG_OFF
#define IP_REASS_DEBUG              LWIP_DBG_OFF
#define RAW_DEBUG                   LWIP_DBG_OFF
#define MEM_DEBUG                   LWIP_DBG_OFF
#define MEMP_DEBUG                  LWIP_DBG_OFF
#define SYS_DEBUG                   LWIP_DBG_OFF
#define TCP_DEBUG                   LWIP_DBG_OFF
#define TCP_INPUT_DEBUG             LWIP_DBG_OFF
#define TCP_OUTPUT_DEBUG            LWIP_DBG_OFF
#define TCP_RTO_DEBUG               LWIP_DBG_OFF
#define TCP_CWND_DEBUG              LWIP_DBG_OFF
#define TCP_WND_DEBUG               LWIP_DBG_OFF
#define TCP_FR_DEBUG                LWIP_DBG_OFF
#define TCP_QLEN_DEBUG              LWIP_DBG_OFF
#define TCP_RST_DEBUG               LWIP_DBG_OFF
#define UDP_DEBUG                   LWIP_DBG_OFF
#define TCPIP_DEBUG                 LWIP_DBG_OFF
#define PPP_DEBUG                   LWIP_DBG_OFF
#define SLIP_DEBUG                  LWIP_DBG_OFF
#define DHCP_DEBUG                  LWIP_DBG_OFF

#undef TCP_WND
#define TCP_WND  16384

#define LWIP_ALTCP               1
#define LWIP_ALTCP_TLS           1
#define LWIP_ALTCP_TLS_MBEDTLS   1

#define LWIP_DEBUG 1
#define ALTCP_MBEDTLS_DEBUG  LWIP_DBG_ON
#define TCP_LISTEN_BACKLOG       1



#define HTTPD_ENABLE_HTTPS   1
#undef MEM_SIZE
#define MEM_SIZE                    8000
#define LWIP_HTTPD_SSI   1

#endif /* __LWIPOPTS_H__ */

Page 144 Full listing not in book

Simple HTTPS Bultin Server mbedtls_config.h TLS and SSI

//Hardware config
#define MBEDTLS_NO_PLATFORM_ENTROPY
#define MBEDTLS_ENTROPY_HARDWARE_ALT
#define MBEDTLS_HAVE_TIME

//error reporting
#define MBEDTLS_ERROR_C
//used by LwIP
#define MBEDTLS_ENTROPY_C
#define MBEDTLS_CTR_DRBG_C

//RSA KEY EXCHANGE
#define MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
#define MBEDTLS_RSA_C

//general key exchange
#define MBEDTLS_PKCS1_V15
#define MBEDTLS_BIGNUM_C
#define MBEDTLS_PK_C
#define MBEDTLS_PK_PARSE_C

//encryption
#define MBEDTLS_AES_C
#define MBEDTLS_CCM_C
#define MBEDTLS_CIPHER_MODE_CBC
#define MBEDTLS_AES_FEWER_TABLES
#define MBEDTLS_GCM_C

//certs
#define MBEDTLS_X509_CRT_PARSE_C
#define MBEDTLS_X509_USE_C
#define MBEDTLS_OID_C
#define MBEDTLS_ASN1_PARSE_C
#define MBEDTLS_ASN1_WRITE_C

//hash methods
#define MBEDTLS_SHA1_C
#define MBEDTLS_SHA224_C
#define MBEDTLS_SHA256_C
#define MBEDTLS_SHA512_C

//TLS
#define MBEDTLS_CIPHER_C
#define MBEDTLS_SSL_TLS_C
#define MBEDTLS_MD_C

//enable client and server modes and TLS
#define MBEDTLS_SSL_CLI_C
#define MBEDTLS_SSL_SERVER_NAME_INDICATION
#define MBEDTLS_SSL_SRV_C

//enable TLS 1.2
#define MBEDTLS_SSL_PROTO_TLS1_2

#include "/home/pi/pico/pico-sdk/lib/mbedtls/include/mbedtls/check_config.h"