libraries: get rid of stray printf

VARIANT_M4_GENERIC doesn't define any console pins (due to obvious reasons) so the default printf will make the application crash without mbed blinks of death.

Author: facchinm

libraries/Portenta_SDRAM/src/SDRAM.cpp

@@ -5,9 +5,9 @@ extern "C" {
 
 int SDRAMClass::begin(uint32_t start_address) {
 
-	printf("FMC_SDRAM_DEVICE->SDCMR: %x\n", FMC_SDRAM_DEVICE->SDCMR);
+	//printf("FMC_SDRAM_DEVICE->SDCMR: %x\n", FMC_SDRAM_DEVICE->SDCMR);
 	if (FMC_SDRAM_DEVICE->SDCMR == 0x00000000U) {
-		printf("initializing external ram\n");
+		//printf("initializing external ram\n");
 		bool ret = sdram_init();
 		if (ret == false) {
 			return 0;
@@ -19,7 +19,7 @@ int SDRAMClass::begin(uint32_t start_address) {
 		*/
 
         if (SDRAM_START_ADDRESS != 0xC0000000) {
-		    printf("remap ram to 0x60000000\n");
+		    //printf("remap ram to 0x60000000\n");
             HAL_SetFMCMemorySwappingConfig(FMC_SWAPBMAP_SDRAM_SRAM);
         }
 
@@ -62,7 +62,7 @@ int SDRAMClass::begin(uint32_t start_address) {
 	}
 
 	if (start_address) {
-		printf("malloc_addblock: allocate %d bytes\n", SDRAM_END_ADDRESS - start_address);
+		//printf("malloc_addblock: allocate %d bytes\n", SDRAM_END_ADDRESS - start_address);
 		malloc_addblock((void*)start_address, SDRAM_END_ADDRESS - start_address);
 	}
 

libraries/SocketWrapper/src/MbedUdp.cpp

@@ -42,7 +42,7 @@ uint8_t arduino::MbedUDP::beginMulticast(IPAddress ip, uint16_t port) {
   SocketAddress socketAddress = SocketHelpers::socketAddressFromIpAddress(ip, port);
 
   if (_socket.join_multicast_group(socketAddress) != NSAPI_ERROR_OK) {
-    printf("Error joining the multicast group\n");
+    //printf("Error joining the multicast group\n");
     return 0;
   }
 

libraries/USBHOST/src/USB251xB.cpp

@@ -133,8 +133,8 @@ void write_hub_configuration(struct usb251xb* hub) {
     wbuf[0] = USB251XB_I2C_WRITE_SZ;
     memcpy(&wbuf[1], &i2c_wb[offset], USB251XB_I2C_WRITE_SZ);
 
-    printf("writing %d byte block %d to 0x%02X\n",
-            USB251XB_I2C_WRITE_SZ, i, offset);
+    //printf("writing %d byte block %d to 0x%02X\n",
+    //        USB251XB_I2C_WRITE_SZ, i, offset);
 
     Wire.beginTransmission(0x2C);
     Wire.write(offset);

libraries/WiFi/src/WiFi.cpp

@@ -90,7 +90,7 @@ void* arduino::WiFiClass::handleAPEvents(whd_interface_t ifp, const whd_event_he
     if (osSemaphoreGetCount(whd_driver->ap_info.whd_wifi_sleep_flag) < 1) {
       osStatus_t result = osSemaphoreRelease(whd_driver->ap_info.whd_wifi_sleep_flag);
       if (result != osOK) {
-        printf("Release whd_wifi_sleep_flag ERROR: %d", result);
+        //printf("Release whd_wifi_sleep_flag ERROR: %d", result);
       }
     }
   }

libraries/openamp_arduino/src/openamp.c

@@ -175,7 +175,7 @@ int OPENAMP_Wait_EndPointready(struct rpmsg_endpoint *rp_ept, size_t deadline)
     MAILBOX_Poll(rvdev.vdev);
   }
   if (millis() >= deadline) {
-    printf("OPENAMP_Wait_EndPointready %X timed out\n\r", (unsigned int)rp_ept);
+    //printf("OPENAMP_Wait_EndPointready %X timed out\n\r", (unsigned int)rp_ept);
     return -1;
   }
   return 0;