Changes

examples/microchip/same54/Makefile

@@ -11,7 +11,7 @@ SOURCES = main.c syscalls.c startup.c
 #SOURCES += cmsis_sam/xc32/ATSAME54P20A/startup_atsame54p20a.c
 
 SOURCES += mongoose.c net.c packed_fs.c
-CFLAGS += -DMG_ENABLE_TCPIP=1 -DMG_ARCH=MG_ARCH_NEWLIB -DMG_ENABLE_CUSTOM_MILLIS=1
+CFLAGS += -DMG_ENABLE_TCPIP=1 -DMG_ARCH=MG_ARCH_NEWLIB -DMG_ENABLE_CUSTOM_MILLIS=1 -DMG_ENABLE_LINES=1
 CFLAGS += -DMG_ENABLE_DRIVER_SAME54=1 -DMG_ENABLE_CUSTOM_RANDOM=1 -DMG_ENABLE_PACKED_FS=1 $(CFLAGS_EXTRA)
 
 VCON_API_KEY=IBrJL5K4arSGMiAXbUKWdG6I2gM

examples/microchip/same54/hal.h

@@ -176,3 +176,39 @@ static inline void gpio_set_irq_handler(uint16_t pin, void (*fn)(void *),
                                         void *arg) {
   (void) pin, (void) fn, (void) arg;
 }
+
+static inline void ethernet_init(void) {
+  uint16_t pins[] = {PIN('A', 12), PIN('A', 13), PIN('A', 14), PIN('A', 15),
+                     PIN('A', 17), PIN('A', 18), PIN('A', 19), PIN('C', 11),
+                     PIN('C', 12), PIN('C', 20)};
+  uint32_t af[] = {MUX_PA12L_GMAC_GRX1,  MUX_PA13L_GMAC_GRX0,
+                   MUX_PA14L_GMAC_GTXCK, MUX_PA15L_GMAC_GRXER,
+                   MUX_PA17L_GMAC_GTXEN, MUX_PA18L_GMAC_GTX0,
+                   MUX_PA19L_GMAC_GTX1,  MUX_PC11L_GMAC_GMDC,
+                   MUX_PC12L_GMAC_GMDIO, MUX_PC20L_GMAC_GRXDV};
+
+  MCLK_REGS->MCLK_APBBMASK |= MCLK_APBBMASK_PORT_Msk;
+
+  for (size_t i = 0; i < sizeof(pins) / sizeof(pins[0]); i++) {
+    int bank = PINBANK(pins[i]), no = PINNO(pins[i]);
+    PORT_REGS->GROUP[bank].PORT_PINCFG[no] |= PORT_PINCFG_PMUXEN_Msk;
+    volatile uint8_t *m = &PORT_REGS->GROUP[bank].PORT_PMUX[no / 2], v = m[0];
+    if (no & 1) {
+      m[0] = (uint8_t) (v & ~0xf0) | PORT_PMUX_PMUXO(af[i]);
+    } else {
+      m[0] = (uint8_t) (v & ~0x0f) | PORT_PMUX_PMUXE(af[i]);
+    }
+  }
+
+  PORT_REGS->GROUP[0].PORT_PINCFG[17] |= PORT_PINCFG_DRVSTR_Msk;
+  PORT_REGS->GROUP[0].PORT_PINCFG[18] |= PORT_PINCFG_DRVSTR_Msk;
+  PORT_REGS->GROUP[0].PORT_PINCFG[19] |= PORT_PINCFG_DRVSTR_Msk;
+
+  // Reset PHY
+  uint16_t phy_pin = PIN('C', 21);
+  gpio_output(phy_pin);
+  gpio_write(phy_pin, false);
+  spin(999);
+  gpio_write(phy_pin, true);
+  spin(999);
+}

examples/microchip/same54/main.c

@@ -10,6 +10,7 @@
 
 void SystemInit(void) {  // Called automatically by startup code
   clock_init();
+  rng_init();
 }
 
 static volatile uint64_t s_ticks;  // Milliseconds since boot
@@ -36,11 +37,15 @@ static void timer_fn(void *arg) {
            ifp->ndrop, ifp->nerr));
 }
 
+static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
+  if (ev == MG_EV_HTTP_MSG) mg_http_reply(c, 200, "", "ok\n");
+  }
+
 int main(void) {
   gpio_input(BUTTON_PIN);
   gpio_output(LED_PIN);
   uart_init(UART_DEBUG, 115200);
-  rng_init();
+  ethernet_init();
 
   MG_INFO(("Starting, CPU freq %g MHz", (double) clock_sys_freq() / 1000000));
 
@@ -49,29 +54,30 @@ int main(void) {
   mg_log_set(MG_LL_DEBUG);  // Set log level
 
   // Initialise Mongoose network stack
-  struct mg_tcpip_driver_same54_data driver_data = {.mdc_cr = 4};
-  struct mg_tcpip_if mif = {.mac = {0x02, 0x14, 0x30, 0x00, 0x1a, 0x00},
+  struct mg_tcpip_driver_same54_data driver_data = {.mdc_cr = 5};
+  struct mg_tcpip_if mif = {.mac = {2, 3, 4, 5, 6, 7},
                             // Uncomment below for static configuration:
                             // .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_same54,
                             .driver_data = &driver_data};
   mg_tcpip_init(&mgr, &mif);
-  mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mif);
+  mg_timer_add(&mgr, LOG_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mif);
 
   MG_INFO(("MAC: %M. Waiting for IP...", mg_print_mac, mif.mac));
   while (mif.state != MG_TCPIP_STATE_READY) {
     mg_mgr_poll(&mgr, 0);
   }
 
   MG_INFO(("Initialising application..."));
-  web_init(&mgr);
+  mg_http_listen(&mgr, "http://0.0.0.0", fn, NULL);
+  //web_init(&mgr);
 
   MG_INFO(("Starting event loop"));
   for (;;) {
     mg_mgr_poll(&mgr, 0);
   }
 
   return 0;
-}
+}