From dfe905512dbaea00949e5f1d8c26b366855c6e81 Mon Sep 17 00:00:00 2001
From: cube <cube@noreply.example.org>
Date: Sat, 22 Mar 2025 21:17:47 +0000
Subject: [PATCH] Add 'Seeed Wio Terminal/m5-gps-left.ino'

---
 Seeed Wio Terminal/m5-gps-left.ino | 103 +++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 Seeed Wio Terminal/m5-gps-left.ino

diff --git a/Seeed Wio Terminal/m5-gps-left.ino b/Seeed Wio Terminal/m5-gps-left.ino
new file mode 100644
index 0000000..29c566f
--- /dev/null
+++ b/Seeed Wio Terminal/m5-gps-left.ino	
@@ -0,0 +1,103 @@
+
+#include <TinyGPS++.h>
+#include <wiring_private.h>
+
+static const uint32_t GPSBaud = 115200;
+
+// The TinyGPS++ object
+TinyGPSPlus gps;
+
+// The serial connection to the GPS device - Left side Grove connector.
+// Left side Grove connector shares pins with I2C1 of 40 pin connector.
+static Uart Serial3(&sercom3, PIN_WIRE_SCL, PIN_WIRE_SDA, SERCOM_RX_PAD_1, UART_TX_PAD_0);
+
+void setup()
+{
+  Serial.begin(115200);
+
+  Serial3.begin(GPSBaud);
+  pinPeripheral(PIN_WIRE_SCL, PIO_SERCOM_ALT);
+  pinPeripheral(PIN_WIRE_SCL, PIO_SERCOM_ALT);
+}
+ 
+void loop()
+{
+  // This sketch displays information every time a new sentence is correctly encoded.
+  while (Serial3.available() > 0)
+    if (gps.encode(Serial3.read()))
+      displayInfo();
+ 
+  if (millis() > 5000 && gps.charsProcessed() < 10)
+  {
+    Serial.println(F("No GPS detected: check wiring."));
+    while(true);
+  }
+}
+
+void displayInfo()
+{
+  Serial.print(F("Location: ")); 
+  if (gps.location.isValid())
+  {
+    Serial.print(gps.location.lat(), 6);
+    Serial.print(F(","));
+    Serial.print(gps.location.lng(), 6);
+  }
+  else
+  {
+    Serial.print(F("INVALID"));
+  }
+
+  Serial.print(F("  Date/Time: "));
+  if (gps.date.isValid())
+  {
+    Serial.print(gps.date.month());
+    Serial.print(F("/"));
+    Serial.print(gps.date.day());
+    Serial.print(F("/"));
+    Serial.print(gps.date.year());
+  }
+  else
+  {
+    Serial.print(F("INVALID"));
+  }
+
+  Serial.print(F(" "));
+  if (gps.time.isValid())
+  {
+    if (gps.time.hour() < 10) Serial.print(F("0"));
+    Serial.print(gps.time.hour());
+    Serial.print(F(":"));
+    if (gps.time.minute() < 10) Serial.print(F("0"));
+    Serial.print(gps.time.minute());
+    Serial.print(F(":"));
+    if (gps.time.second() < 10) Serial.print(F("0"));
+    Serial.print(gps.time.second());
+    Serial.print(F("."));
+    if (gps.time.centisecond() < 10) Serial.print(F("0"));
+    Serial.print(gps.time.centisecond());
+  }
+  else
+  {
+    Serial.print(F("INVALID"));
+  }
+
+  Serial.println();
+}
+
+void SERCOM3_0_Handler()
+{
+  Serial3.IrqHandler();
+}
+void SERCOM3_1_Handler()
+{
+  Serial3.IrqHandler();
+}
+void SERCOM3_2_Handler()
+{
+  Serial3.IrqHandler();
+}
+void SERCOM3_3_Handler()
+{
+  Serial3.IrqHandler();
+}
\ No newline at end of file