From d1f27c8c4ff876a0b0dc6bf030c068a78d527e8a Mon Sep 17 00:00:00 2001
From: Erik Strand <erik.strand@cba.mit.edu>
Date: Mon, 13 May 2019 03:02:52 -0400
Subject: [PATCH] Log data to a file
---
main.cpp | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/main.cpp b/main.cpp
index 0b97861..7ec5ab7 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,9 @@
// Use of libserialport based on https://gist.github.com/Nixes/78e401234e66aa131547d7b78135271c
+#include <chrono>
+#include <ctime>
+#include <fstream>
+#include <iomanip>
#include <iostream>
#include <libserialport.h>
@@ -30,6 +34,8 @@ int main() {
constexpr uint32_t byte_buffer_size = 512;
char byte_buffer[byte_buffer_size];
+ std::ofstream output_file = std::ofstream("data.csv");
+
struct sp_port *port;
std::cout << "Opening port " << desired_port << '\n';
sp_return error = sp_get_port_by_name(desired_port, &port);
@@ -48,7 +54,16 @@ int main() {
//if (byte_buffer[i] == '1') {
// button_pressed = true;
//}
- std::cout << byte_buffer[i];
+ output_file << byte_buffer[i];
+ //std::cout << byte_buffer[i];
+ if (byte_buffer[i] == '\n') {
+ output_file << std::flush;
+ auto const chrono_time = std::chrono::system_clock::now();
+ std::time_t time = std::chrono::system_clock::to_time_t(chrono_time);
+ std::tm local_time = *std::localtime(&time);
+ output_file << std::put_time(&local_time, "%Y/%m/%d %H:%M:%S") << ", ";
+ //std::cout << std::put_time(&local_time, "%Y/%m/%d %H:%M:%S") << ", ";
+ }
}
//std::cout << '\n';
/*
--
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