From 8d7e83113be581dc1812e677a38c70b52c0aa1fb Mon Sep 17 00:00:00 2001
From: Drew Bednar <drew@androiddrew.com>
Date: Fri, 24 Apr 2020 22:41:42 -0400
Subject: [PATCH] adding an SDCard Example for the ESP-Wrover-kit

---
 basics/boot.py                       |  2 ++
 esp_wrover_kit_v4_1/sdcard/README.md | 13 +++++++++++++
 esp_wrover_kit_v4_1/sdcard/main.py   | 20 ++++++++++++++++++++
 scripts/profile                      |  8 ++++++++
 4 files changed, 43 insertions(+)
 create mode 100644 esp_wrover_kit_v4_1/sdcard/README.md
 create mode 100644 esp_wrover_kit_v4_1/sdcard/main.py

diff --git a/basics/boot.py b/basics/boot.py
index 514a936..b3e62b2 100644
--- a/basics/boot.py
+++ b/basics/boot.py
@@ -23,3 +23,5 @@ def connect():
     # def no_debug():
     # 	import esp
     # 	esp.osdebug(None)
+
+connect()
\ No newline at end of file
diff --git a/esp_wrover_kit_v4_1/sdcard/README.md b/esp_wrover_kit_v4_1/sdcard/README.md
new file mode 100644
index 0000000..dad7194
--- /dev/null
+++ b/esp_wrover_kit_v4_1/sdcard/README.md
@@ -0,0 +1,13 @@
+# SD Card example
+
+Here are the [docs for the SDCard pins](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/hw-reference/esp32/get-started-wrover-kit.html#get-started-esp-wrover-kit-v4-1-microsd-card-slot).
+
+| . | ESP32 Pin     | MicroSD Signal |
+|---|---------------|----------------|
+| 1 | MTDI / GPIO12 | DATA2          |
+| 2 | MTCK / GPIO13 | CD / DATA      |
+| 3 | MTDO / GPIO15 | CMD            |
+| 4 | MTMS / GPIO14 | CLK            |
+| 5 | GPIO2         | DATA0          |
+| 6 | GPIO4         | DATA1          |
+| 7 | GPIO21        | CD             |
diff --git a/esp_wrover_kit_v4_1/sdcard/main.py b/esp_wrover_kit_v4_1/sdcard/main.py
new file mode 100644
index 0000000..d5ef9a0
--- /dev/null
+++ b/esp_wrover_kit_v4_1/sdcard/main.py
@@ -0,0 +1,20 @@
+import machine, uos
+
+# machine.SDCard(slot=1, width=1, cd=None, wp=None, sck=None, miso=None, mosi=None, cs=None)
+
+sd = machine.SDCard()
+
+uos.mount(sd, '/sd')
+
+
+def cat(file, encoding='utf8'):
+    """Prints the file."""
+    with open(file, mode='r', encoding=encoding) as f:
+        for line in f.readlines():
+            print(line)
+
+
+def to_file(file, text='', encoding='utf8'):
+    """Simple function to write some text to a file."""
+    with open(file, mode='r', encoding=encoding) as f:
+        f.write(text)
diff --git a/scripts/profile b/scripts/profile
index 4e15780..fa50bcc 100644
--- a/scripts/profile
+++ b/scripts/profile
@@ -1,6 +1,14 @@
 export AMPY_PORT=/dev/cu.SLAB_USBtoUART
 export BAUD_RATE=115200
 
+ARG=$1
+
+if [ "$ARG" = '--kit' ] || [ "$ARG" = '-k' ]; then
+  echo "Using ESP-WOVER-kit_v4.1"
+  export AMPY_PORT=/dev/cu.usbserial-143101
+fi
+
+
 function repl_connect (){
 	echo "Connecting to $AMPY_PORT"
 	screen $AMPY_PORT $BAUD_RATE