Move Host uart_server code into driver Component, and default to cons…

…ole redirection if no ports enabled

For simple applications, avoids the need to run an external telnet instance to see serial port output

Sming/Arch/Host/Components/hostlib/uart_server.cpp → Sming/Arch/Host/Components/driver/uart_server.cpp

@@ -29,12 +29,34 @@ unsigned CUartServer::portBase = 10000;
 
 static CUartServer* uartServers[UART_COUNT];
 
+// Redirect the main serial port to console output
+static void redirectToConsole()
+{
+	auto onNotify = [](uart_t* uart, uart_notify_code_t code) {
+		if(code == UART_NOTIFY_AFTER_WRITE){
+			size_t avail;
+			void* data;
+			while((avail = uart->tx_buffer->getReadData(data)) != 0) {
+				host_nputs(static_cast<const char*>(data), avail);
+				uart->tx_buffer->skipRead(avail);
+			}
+		}
+	};
+	uart_set_notify(UART0, onNotify);
+}
+
 void CUartServer::startup(const UartServerConfig& config)
 {
 	if(config.portBase != 0) {
 		portBase = config.portBase;
 	}
 
+	// If no ports have been enabled then redirect port 0 output to host console
+	if(config.enableMask == 0) {
+		redirectToConsole();
+		return;
+	}
+
 	auto notify = [](uart_t* uart, uart_notify_code_t code) {
 		auto server = uartServers[uart->uart_nr];
 		if(server) {

Sming/Arch/Host/Components/hostlib/uart_server.h → Sming/Arch/Host/Components/driver/uart_server.h

@@ -20,8 +20,8 @@
 #pragma once
 
 #include <driver/uart.h>
-#include "sockets.h"
-#include "threads.h"
+#include <hostlib/sockets.h>
+#include <hostlib/threads.h>
 
 #define UART_SOCKET_PORT_BASE 10000 ///< Port for UART0
 

Sming/Arch/Host/Components/hostlib/hostmsg.c

@@ -66,6 +66,11 @@ void host_printfp(const char* fmt, const char* pretty_function, ...)
 	host_puts(buffer);
 }
 
+size_t host_nputs(const char* str, size_t length)
+{
+	return fwrite(str, 1, length, stderr);
+}
+
 void host_puts(const char* str)
 {
 	fputs(str, stderr);

Sming/Arch/Host/Components/hostlib/hostmsg.h

@@ -19,12 +19,15 @@
 
 #pragma once
 
+#include <stddef.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 void host_printf(const char* fmt, ...);
 void host_printfp(const char* fmt, const char* pretty_function, ...);
+size_t host_nputs(const char* str, size_t length);
 void host_puts(const char* str);
 
 #ifdef __cplusplus

Sming/Arch/Host/Components/hostlib/startup.cpp

@@ -24,7 +24,7 @@
 #include "except.h"
 #include "options.h"
 #include <spi_flash/flashmem.h>
-#include "uart_server.h"
+#include <driver/uart_server.h>
 #include <BitManipulations.h>
 #include <esp_timer_legacy.h>
 #include <esp_tasks.h>