Orgazine projects.

CMakeLists.txt

@@ -7,6 +7,5 @@ project(pico-stuff)
 
 pico_sdk_init()
 
-add_subdirectory(bmp180)
-add_subdirectory(iperf_server)
-add_subdirectory(tcp_server)
+add_subdirectory(apps)
+add_subdirectory(lib)

apps/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_subdirectory(iperf_server)
+add_subdirectory(tcp_server)

apps/tcp_server/CMakeLists.txt

@@ -13,10 +13,14 @@ target_link_libraries(tcp_server
     tinyusb_host
     tinyusb_board
     tinyusb_net
+    hardware_i2c
     lwip
 )
 
-target_include_directories(tcp_server PRIVATE .)
+target_include_directories(tcp_server PRIVATE
+    .
+    ${CMAKE_SOURCE_DIR}/lib/bmp180
+)
 
 pico_enable_stdio_usb(tcp_server 1)
 pico_enable_stdio_uart(tcp_server 0)

apps/tcp_server/main.c

@@ -50,9 +50,14 @@ try changing the first byte of tud_network_mac_address[] below from 0x02 to 0x00
 #include "dnserver.h"
 #include "lwip/init.h"
 #include "lwip/timeouts.h"
+#include "lwip/api.h"
+#include "lwip/sys.h"
+#include "lwip/udp.h"
 
 #include "httpd.h"
 
+#include "bmp180.h"
+
 /* lwip context */
 static struct netif netif_data;
 
@@ -220,6 +225,25 @@ void tud_network_init_cb(void)
   }
 }
 
+bmp_t bmp;
+
+static void udpecho_raw_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *addr, u16_t port)
+{
+	if(p == NULL)
+		return;
+
+    struct pbuf *pr;
+    uint8_t buf[4];
+
+    pr = pbuf_alloc(PBUF_TRANSPORT, 4, PBUF_POOL);
+    pr->len = 4;
+    pr->tot_len = 4;
+    pr->payload = buf;
+
+	udp_sendto(pcb, pr, addr, port);
+	pbuf_free(p);
+}
+
 int main(void)
 {
   /* initialize TinyUSB */
@@ -231,6 +255,12 @@ int main(void)
   while (!netif_is_up(&netif_data));
   while (dhserv_init(&dhcp_config) != ERR_OK);
   while (dnserv_init(&ipaddr, 53, dns_query_proc) != ERR_OK);
+
+  struct udp_pcb *pcb;
+  pcb = udp_new();
+  udp_bind(pcb, IP_ADDR_ANY, 7777);
+  udp_recv(pcb , udpecho_raw_recv, pcb);
+
   httpd_init();
 
   while (1)

lib/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(bmp180)