Fixed non MSYS2/gcc builds by including proper header & using wrapper…

… function macro for sleep function. Lowered sleep duration during waiting for an ACK report from device. This makes software to finish a bit faster.

software/src/digilivolo.c

@@ -24,7 +24,14 @@
 #include <stdlib.h>
 #include <stdbool.h>
 #include <stdint.h>
+
+#ifdef _WIN32
+#include <windows.h>
+#define dl_sleep_ms(ms) Sleep(ms)
+#else
 #include <unistd.h>
+#define dl_sleep_ms(ms) usleep(ms * 1000)
+#endif
 
 #include "defs.h"
 #include "args.h"
@@ -154,20 +161,24 @@ int main(int argc, char* argv[])
 	res = 0;
 
 	while (res == 0) {
-		sleep(1);
+		dl_sleep_ms(300);
 		res = dlusb_read(&packet, handle);
-		if (res == -1) { // one more try
-			printf("WARN: (%d) Unable to get a feature report: %ls\n", res, hid_error(handle));
-			sleep(1);
+		if (res == -1) { // This error usually means that the hardware didn't finished processing yet, give it one more try after delay
+			if (arguments.verbose) {
+				printf("WARN: (%d) Unable to get ACK feature report: %ls.\n", res, hid_error(handle));
+				dl_sleep_ms(10);
+				printf(" Retrying...\n");
+			}
+			dl_sleep_ms(300);
 			res = dlusb_read(&packet, handle);
 		}
 		if (res < 0) {
-			printf("WARN: (%d) Unable to get a feature report: %ls\n", res, hid_error(handle));
+			printf("WARN: (%d) Unable to get ACK feature report: %ls\n", res, hid_error(handle));
 			continue;
 		}
 		else if (res > 0) {
 			if (packet.cmd_id == ((arguments.old_alg == true) ? CMD_SWITCH_OLD : CMD_SWITCH) && \
-			    packet.remote_id == arguments.remote_id && packet.btn_id == arguments.btn_id) {
+				packet.remote_id == arguments.remote_id && packet.btn_id == arguments.btn_id) {
 				printf("Device acks codes correctly.\n");
 			}
 			else {