From 601ee769f5ceeab7c71e61806804e4788f279c59 Mon Sep 17 00:00:00 2001
From: Nao Pross <naopross@thearcway.org>
Date: Sat, 5 May 2018 17:13:59 +0200
Subject: Rename class pin to io_pin, add general gpio class, add uart echo

---
 hal/uart.hpp | 41 +++++++++++++++++++++++++++++------------
 1 file changed, 29 insertions(+), 12 deletions(-)

(limited to 'hal/uart.hpp')

diff --git a/hal/uart.hpp b/hal/uart.hpp
index 60dd5bb..b1dce29 100644
--- a/hal/uart.hpp
+++ b/hal/uart.hpp
@@ -3,6 +3,8 @@
  * Author: naopross
  *
  * Created on May 2, 2018, 7:04 PM
+ *
+ * Note: Non working or untested features are commented out with #if 0 .. #endif
  */
 
 #ifndef UART_HPP
@@ -23,6 +25,7 @@ namespace uart
 {
     const unsigned devices_count = 4;
 
+#if 0
     enum class status : unsigned int
     {
         rx_data_available = 1<<0,
@@ -42,16 +45,37 @@ namespace uart
         tx_full = 1<<3,
         tx_empty = 1<<4,
     };
+#endif
 
+    bool _echo[devices_count];
     std::queue<uint8_t> _rx_buffer[devices_count];
     std::queue<uint8_t> _tx_buffer[devices_count];
 
+    // the following functions have been inlined 
+
+    // template<unsigned dev>
+    // std::queue<uint8_t>& rx_buffer();
+
+    // template<unsigned dev>
+    // std::queue<uint8_t>& tx_buffer();
+
     template<unsigned dev>
     void initialize();
 
+    // the following functions have been inlined 
+
+    // template<unsigned dev>
+    // void echo(bool enabled);
+
+    // template<unsigned dev>
+    // bool echo_enabled();
+
     template<unsigned dev>
     uint8_t read();
 
+    template<unsigned dev>
+    uint8_t read_wait();
+
 #if 0
     template<unsigned dev>
     std::string read(const unsigned len);
@@ -73,22 +97,15 @@ namespace uart
     unsigned write(const uint8_t *buffer, const unsigned numbytes);
 
     template<unsigned dev>
-    status status();
-
-    template<unsigned dev>
-    transfer_status tranfer_status();
-
-    template<unsigned dev>
-    unsigned rx_buffer_size();
-
-    template<unsigned dev>
-    unsigned tx_buffer_size();
+    void print(const std::string &str);
 
+#if 0
     template<unsigned dev>
-    bool rx_buffer_empty();
+    status status();
 
     template<unsigned dev>
-    bool tx_buffer_full();
+    transfer_status tranfer_status();
+#endif
 }
 
 #endif  /* UART_HPP */
-- 
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