Merge pull request #2468 from cesanta/teensy

Add teensy41 example

examples/arduino/teensy41-http/mongoose.c

@@ -0,0 +1 @@
+../../../mongoose.c

examples/arduino/teensy41-http/mongoose.h

@@ -0,0 +1 @@
+../../../mongoose.h

examples/arduino/teensy41-http/mongoose_custom.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#define MG_ARCH MG_ARCH_NEWLIB     // Use ARM toolchain
+#define MG_ENABLE_TCPIP 1          // Enable built-in network stack
+#define MG_ENABLE_DRIVER_RT1020 1  // Enable RTxx driver
+#define MG_ENABLE_CUSTOM_MILLIS 1  // Let user implement mg_millis()
+#define MG_ENABLE_FILE 0           // Disable POSIX filesystem
+#define MG_ENABLE_PACKED_FS 1      // Enable packed filesystem
+
+#define HTTP_URL "http://0.0.0.0"
+#define HTTPS_URL "https://0.0.0.0"

examples/arduino/teensy41-http/net.c

@@ -0,0 +1 @@
+../../device-dashboard/net.c

examples/arduino/teensy41-http/net.h

@@ -0,0 +1 @@
+../../device-dashboard/net.h

examples/arduino/teensy41-http/packed_fs.c

@@ -0,0 +1 @@
+../../device-dashboard/packed_fs.c

examples/arduino/teensy41-http/teensy41-http.ino

@@ -0,0 +1,137 @@
+#include "mongoose.h"
+#include "net.h"
+
+void ethernet_init(void);
+struct mg_mgr mgr;
+struct mg_tcpip_driver_rt1020_data data = {.mdc_cr = 24, .phy_addr = 0};
+struct mg_tcpip_if mif = {
+    // Construct MAC address from the unique chip ID
+    .mac = {2, (uint8_t) (HW_OCOTP_CFG0 & 255),
+            (uint8_t) ((HW_OCOTP_CFG0 >> 10) & 255),
+            (uint8_t) (((HW_OCOTP_CFG0 >> 19) ^ (HW_OCOTP_CFG1 >> 19)) & 255),
+            (uint8_t) ((HW_OCOTP_CFG1 >> 10) & 255),
+            (uint8_t) (HW_OCOTP_CFG1 & 255)},
+    // The default is DHCP. Uncomment 3 lines below for static IP config:
+    // .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
+    // .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
+    // .gw = mg_htonl(MG_U32(192, 168, 0, 1)),
+    .driver = &mg_tcpip_driver_rt1020,
+    .driver_data = &data};
+
+uint64_t mg_millis(void) {  // Let Mongoose use our uptime function
+  return millis();
+}
+
+static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
+  if (ev == MG_EV_HTTP_MSG) {
+    struct mg_http_message *hm = (struct mg_http_message *) ev_data;
+    long n = mg_json_get_long(hm->body, "$.n", 100);
+    mg_xprintf(mg_pfn_iobuf, &c->send,
+               "HTTP/1.1 200 OK\r\nContent-Length: %ld\r\n\r\n", n + 1);
+    for (long i = 0; i < n; i++) mg_iobuf_add(&c->send, c->send.len, "x", 1);
+    mg_iobuf_add(&c->send, c->send.len, "\n", 1);
+    c->is_resp = 0;
+  }
+}
+
+void setup() {
+  pinMode(LED_BUILTIN, OUTPUT);
+  Serial.begin(115200);
+  while (!Serial) delay(50);
+
+  mg_mgr_init(&mgr);        // Initialise Mongoose event manager
+  mg_log_set(MG_LL_DEBUG);  // Set log level and log function
+  mg_log_set_fn([](char ch, void *) { Serial.print(ch); }, NULL);
+
+  MG_INFO(("CPU %g MHz. Starting TCP/IP stack", (double) F_CPU / 1000000));
+  ethernet_init();
+  mg_tcpip_init(&mgr, &mif);  // Initialise built-in TCP/IP stack
+
+  MG_INFO(("Waiting for IP..."));
+  while (mif.state != MG_TCPIP_STATE_READY) mg_mgr_poll(&mgr, 1);
+
+  // See https://mongoose.ws/documentation/#2-minute-integration-guide
+  MG_INFO(("Starting web dashboard"));
+  web_init(&mgr);
+  mg_http_listen(&mgr, "http://0.0.0.0:8000", fn, NULL);
+}
+
+void loop() {
+  static uint64_t timer;
+  if (mg_timer_expired(&timer, 500, mg_millis())) {        // Every 500ms
+    digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));  // blink an LED
+  }
+
+  mg_mgr_poll(&mgr, 1);  // Process network events
+}
+
+extern "C" {
+extern void (*volatile _VectorsRam[176])(void);
+extern void ENET_IRQHandler(void);
+};
+
+#define CLRSET(reg, clear, set) ((reg) = ((reg) & ~(clear)) | (set))
+#define RMII_PAD_INPUT_PULLDOWN 0x30E9
+#define RMII_PAD_INPUT_PULLUP 0xB0E9
+#define RMII_PAD_CLOCK 0x0031
+
+// initialize the ethernet hardware
+void ethernet_init(void) {
+  CCM_CCGR1 |= CCM_CCGR1_ENET(CCM_CCGR_ON);
+  // configure PLL6 for 50 MHz, pg 1173
+  CCM_ANALOG_PLL_ENET_CLR =
+      CCM_ANALOG_PLL_ENET_POWERDOWN | CCM_ANALOG_PLL_ENET_BYPASS | 0x0F;
+  CCM_ANALOG_PLL_ENET_SET = CCM_ANALOG_PLL_ENET_ENABLE |
+                            CCM_ANALOG_PLL_ENET_BYPASS
+                            /*| CCM_ANALOG_PLL_ENET_ENET2_REF_EN*/
+                            | CCM_ANALOG_PLL_ENET_ENET_25M_REF_EN
+                            /*| CCM_ANALOG_PLL_ENET_ENET2_DIV_SELECT(1)*/
+                            | CCM_ANALOG_PLL_ENET_DIV_SELECT(1);
+  while (!(CCM_ANALOG_PLL_ENET & CCM_ANALOG_PLL_ENET_LOCK))
+    ;  // wait for PLL lock
+  CCM_ANALOG_PLL_ENET_CLR = CCM_ANALOG_PLL_ENET_BYPASS;
+  // configure REFCLK to be driven as output by PLL6, pg 326
+
+  CLRSET(IOMUXC_GPR_GPR1,
+         IOMUXC_GPR_GPR1_ENET1_CLK_SEL | IOMUXC_GPR_GPR1_ENET_IPG_CLK_S_EN,
+         IOMUXC_GPR_GPR1_ENET1_TX_CLK_DIR);
+
+  // Configure pins
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B0_14 = 5;  // Reset   B0_14 Alt5 GPIO7.15
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B0_15 = 5;  // Power   B0_15 Alt5 GPIO7.14
+  GPIO7_GDIR |= (1 << 14) | (1 << 15);
+  GPIO7_DR_SET = (1 << 15);                                    // Power on
+  GPIO7_DR_CLEAR = (1 << 14);                                  // Reset PHY chip
+  IOMUXC_SW_PAD_CTL_PAD_GPIO_B1_04 = RMII_PAD_INPUT_PULLDOWN;  // PhyAdd[0] = 0
+  IOMUXC_SW_PAD_CTL_PAD_GPIO_B1_06 = RMII_PAD_INPUT_PULLDOWN;  // PhyAdd[1] = 1
+  IOMUXC_SW_PAD_CTL_PAD_GPIO_B1_05 = RMII_PAD_INPUT_PULLUP;    // Slave mode
+  IOMUXC_SW_PAD_CTL_PAD_GPIO_B1_11 = RMII_PAD_INPUT_PULLDOWN;  // Auto MDIX
+  IOMUXC_SW_PAD_CTL_PAD_GPIO_B1_07 = RMII_PAD_INPUT_PULLUP;
+  IOMUXC_SW_PAD_CTL_PAD_GPIO_B1_08 = RMII_PAD_INPUT_PULLUP;
+  IOMUXC_SW_PAD_CTL_PAD_GPIO_B1_09 = RMII_PAD_INPUT_PULLUP;
+  IOMUXC_SW_PAD_CTL_PAD_GPIO_B1_10 = RMII_PAD_CLOCK;
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B1_05 = 3;         // RXD1    B1_05 Alt3, pg 525
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B1_04 = 3;         // RXD0    B1_04 Alt3, pg 524
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B1_10 = 6 | 0x10;  // REFCLK  B1_10 Alt6, pg 530
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B1_11 = 3;         // RXER    B1_11 Alt3, pg 531
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B1_06 = 3;         // RXEN    B1_06 Alt3, pg 526
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B1_09 = 3;         // TXEN    B1_09 Alt3, pg 529
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B1_07 = 3;         // TXD0    B1_07 Alt3, pg 527
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B1_08 = 3;         // TXD1    B1_08 Alt3, pg 528
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B1_15 = 0;         // MDIO    B1_15 Alt0, pg 535
+  IOMUXC_SW_MUX_CTL_PAD_GPIO_B1_14 = 0;         // MDC     B1_14 Alt0, pg 534
+  IOMUXC_ENET_MDIO_SELECT_INPUT = 2;            // GPIO_B1_15_ALT0, pg 792
+  IOMUXC_ENET0_RXDATA_SELECT_INPUT = 1;         // GPIO_B1_04_ALT3, pg 792
+  IOMUXC_ENET1_RXDATA_SELECT_INPUT = 1;         // GPIO_B1_05_ALT3, pg 793
+  IOMUXC_ENET_RXEN_SELECT_INPUT = 1;            // GPIO_B1_06_ALT3, pg 794
+  IOMUXC_ENET_RXERR_SELECT_INPUT = 1;           // GPIO_B1_11_ALT3, pg 795
+  IOMUXC_ENET_IPG_CLK_RMII_SELECT_INPUT = 1;    // GPIO_B1_10_ALT6, pg 791
+  delay(1);
+  GPIO7_DR_SET = (1 << 14);  // Start PHY chip
+  // ENET_MSCR = ENET_MSCR_MII_SPEED(9);
+  delay(1);
+
+  // Setup IRQ handler
+  _VectorsRam[16 + IRQ_ENET] = ENET_IRQHandler;
+  NVIC_ENABLE_IRQ(IRQ_ENET);
+}

examples/device-dashboard/net.c

@@ -133,7 +133,7 @@ static size_t print_int_arr(void (*out)(char, void *), void *ptr, va_list *ap) {
 
 static void handle_stats_get(struct mg_connection *c) {
   int points[] = {21, 22, 22, 19, 18, 20, 23, 23, 22, 22, 22, 23, 22};
-  mg_http_reply(c, 200, s_json_header, "{%m:%d,%m:%d,%m:[%M]}",
+  mg_http_reply(c, 200, s_json_header, "{%m:%d,%m:%d,%m:[%M]}\n",
                 MG_ESC("temperature"), 21,  //
                 MG_ESC("humidity"), 67,     //
                 MG_ESC("points"), print_int_arr,
@@ -148,11 +148,11 @@ static size_t print_events(void (*out)(char, void *), void *ptr, va_list *ap) {
   int end = no + EVENTS_PER_PAGE;
 
   while ((no = ui_event_next(no, &ev)) != 0 && no <= end) {
-    len += mg_xprintf(out, ptr, "%s{%m:%lu,%m:%d,%m:%d,%m:%m}",  //
-                      len == 0 ? "" : ",",                       //
-                      MG_ESC("time"), ev.timestamp,              //
-                      MG_ESC("type"), ev.type,                   //
-                      MG_ESC("prio"), ev.prio,                   //
+    len += mg_xprintf(out, ptr, "%s{%m:%lu,%m:%d,%m:%d,%m:%m}\n",  //
+                      len == 0 ? "" : ",",                         //
+                      MG_ESC("time"), ev.timestamp,                //
+                      MG_ESC("type"), ev.type,                     //
+                      MG_ESC("prio"), ev.prio,                     //
                       MG_ESC("text"), MG_ESC(ev.text));
   }
 
@@ -162,7 +162,7 @@ static size_t print_events(void (*out)(char, void *), void *ptr, va_list *ap) {
 static void handle_events_get(struct mg_connection *c,
                               struct mg_http_message *hm) {
   int pageno = mg_json_get_long(hm->body, "$.page", 1);
-  mg_http_reply(c, 200, s_json_header, "{%m:[%M], %m:%d}", MG_ESC("arr"),
+  mg_http_reply(c, 200, s_json_header, "{%m:[%M], %m:%d}\n", MG_ESC("arr"),
                 print_events, pageno, MG_ESC("totalCount"), MAX_EVENTS_NO);
 }
 
@@ -190,7 +190,7 @@ static void handle_settings_set(struct mg_connection *c, struct mg_str body) {
 }
 
 static void handle_settings_get(struct mg_connection *c) {
-  mg_http_reply(c, 200, s_json_header, "{%m:%s,%m:%hhu,%m:%hhu,%m:%m}",  //
+  mg_http_reply(c, 200, s_json_header, "{%m:%s,%m:%hhu,%m:%hhu,%m:%m}\n",  //
                 MG_ESC("log_enabled"),
                 s_settings.log_enabled ? "true" : "false",    //
                 MG_ESC("log_level"), s_settings.log_level,    //
@@ -239,7 +239,7 @@ static void handle_firmware_rollback(struct mg_connection *c) {
 
 static size_t print_status(void (*out)(char, void *), void *ptr, va_list *ap) {
   int fw = va_arg(*ap, int);
-  return mg_xprintf(out, ptr, "{%m:%d,%m:%c%lx%c,%m:%u,%m:%u}",
+  return mg_xprintf(out, ptr, "{%m:%d,%m:%c%lx%c,%m:%u,%m:%u}\n",
                     MG_ESC("status"), mg_ota_status(fw), MG_ESC("crc32"), '"',
                     mg_ota_crc32(fw), '"', MG_ESC("size"), mg_ota_size(fw),
                     MG_ESC("timestamp"), mg_ota_timestamp(fw));

examples/device-dashboard/net.h

@@ -4,6 +4,10 @@
 
 #include "mongoose.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #if !defined(HTTP_URL)
 #define HTTP_URL "http://0.0.0.0:8000"
 #endif
@@ -25,3 +29,7 @@ struct ui_event {
 };
 
 void web_init(struct mg_mgr *mgr);
+
+#ifdef __cplusplus
+}
+#endif

examples/nxp/rt1020-evk-make-baremetal-builtin/main.c

@@ -65,7 +65,8 @@ int main(void) {
   mg_log_set(MG_LL_DEBUG);  // Set log level
 
   // Initialise Mongoose network stack
-  struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24};
+  struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24,
+                                                    .phy_addr = 2};
   struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
                             // Uncomment below for static configuration:
                             // .ip = mg_htonl(MG_U32(192, 168, 0, 223)),

examples/nxp/rt1020-evk-make-freertos-builtin/main.c

@@ -51,7 +51,8 @@ static void server(void *args) {
 
   // Initialise Mongoose network stack
   ethernet_init();
-  struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24};
+  struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24,
+                                                    .phy_addr = 2};
   struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
                             // Uncomment below for static configuration:
                             // .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
@@ -76,7 +77,7 @@ static void server(void *args) {
 }
 
 static void blinker(void *args) {
-  gpio_output(LED);               // Setup blue LED
+  gpio_output(LED);  // Setup blue LED
   for (;;) {
     gpio_toggle(LED);
     vTaskDelay(pdMS_TO_TICKS(BLINK_PERIOD_MS));

examples/nxp/rt1060-evk-make-baremetal-builtin/main.c

@@ -42,7 +42,8 @@ int main(void) {
   mg_log_set(MG_LL_DEBUG);  // Set log level
 
   // Initialise Mongoose network stack
-  struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24};
+  struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24,
+                                                    .phy_addr = 2};
   struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
                             // Uncomment below for static configuration:
                             // .ip = mg_htonl(MG_U32(192, 168, 0, 223)),

examples/nxp/rt1060-evk-make-freertos-builtin/main.c

@@ -29,7 +29,8 @@ static void server(void *args) {
 
   // Initialise Mongoose network stack
   ethernet_init();
-  struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24};
+  struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24,
+                                                    .phy_addr = 2};
   struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
                             // Uncomment below for static configuration:
                             // .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
@@ -54,7 +55,7 @@ static void server(void *args) {
 }
 
 static void blinker(void *args) {
-  gpio_output(LED);               // Setup blue LED
+  gpio_output(LED);  // Setup blue LED
   for (;;) {
     gpio_toggle(LED);
     vTaskDelay(pdMS_TO_TICKS(BLINK_PERIOD_MS));