From 67c20bb8dff3cb74c5aacfa3c6c799c39daad50f Mon Sep 17 00:00:00 2001
From: Nao Pross <naopross@thearcway.org>
Date: Fri, 4 May 2018 16:57:26 +0200
Subject: Add templated generic implementaions for uart, rename uart1.tpp to
 uart.tpp

---
 hal/uart.tpp  | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 hal/uart1.tpp |  50 ----------------------------
 main.cpp      |   2 +-
 3 files changed, 106 insertions(+), 51 deletions(-)
 create mode 100644 hal/uart.tpp
 delete mode 100644 hal/uart1.tpp

diff --git a/hal/uart.tpp b/hal/uart.tpp
new file mode 100644
index 0000000..44d9315
--- /dev/null
+++ b/hal/uart.tpp
@@ -0,0 +1,105 @@
+/* 
+ * File:   uart.cpp
+ * Author: naopross
+ *
+ * Created on May 2, 2018, 7:05 PM
+ */
+
+#include "uart.hpp"
+
+extern "C" {
+#include <proc/p32mx470f512h.h>
+#include <sys/attribs.h>
+}
+
+
+/* templated functions */
+namespace uart
+{
+    template<unsigned dev>
+    uint8_t peek<dev>(uint16_t offset)
+    {
+        if (offset >= rx_buffer[dev -1].size())
+            return 0;
+        else 
+            return rx_buffer[dev -1].at(offset);
+    }
+
+    template<unsigned dev>
+    bool rx_buffer_empty<dev>()
+    {
+        return rx_buffer[0].empty();
+    }
+
+    template<unsigned dev>
+    bool tx_buffer_full<dev>()
+    {
+        return !tx_buffer[0].empty();
+    }
+}
+
+
+/* specialization for UART1 */
+void __ISR(_UART_1_VECTOR, IPL1AUTO) usart_1_isr()
+{
+    if (IFS1bits.U1RXIF) {
+        uart::rx_buffer[0].push_back(static_cast<uint8_t>(U1RXREG));
+
+        IFS1bits.U1RXIF = 0;
+    } else if (IFS1bits.U1TXIF) {
+
+        IFS1bits.U1TXIF = 0;
+    }
+}
+
+namespace uart
+{
+    template<>
+    void initialize<1>()
+    {
+        // STSEL 1S;
+        // IREN disabled;
+        // PDSEL 8N;
+        // RTSMD disabled;
+        // RXINV disabled;
+        // SIDL disabled;
+        // WAKE disabled;
+        // ABAUD disabled;
+        // LPBACK disabled;
+        // BRGH enabled;
+        // UEN TX_RX;
+        // ON enabled; 
+        U1MODE = 0x8008;
+        // UTXISEL TX_ONE_CHAR;
+        // UTXINV disabled;
+        // ADDR 0;
+        // URXEN disabled;
+        // OERR disabled;
+        // ADM_EN disabled;
+        // URXISEL RX_ONE_CHAR;
+        // UTXBRK disabled;
+        // UTXEN disabled;
+        // ADDEN disabled; 
+        U1STA = 0x0;
+        // U1TXREG 0; 
+        U1TXREG = 0x0;
+        // BaudRate = 9600;
+        // Frequency = 1000000 Hz;
+        // BRG 25; 
+        U1BRG = 0x19;
+
+        IEC1bits.U1RXIE = 1;
+
+        U1STAbits.UTXEN = 1;
+        U1STAbits.URXEN = 1;
+
+        //Enabling  UART
+        U1MODEbits.ON = 1;
+    }
+
+    template<>
+    uint8_t read<1>()
+    {
+
+    }
+}
diff --git a/hal/uart1.tpp b/hal/uart1.tpp
deleted file mode 100644
index 544ec73..0000000
--- a/hal/uart1.tpp
+++ /dev/null
@@ -1,50 +0,0 @@
-/* 
- * File:   uart.cpp
- * Author: naopross
- *
- * Created on May 2, 2018, 7:05 PM
- */
-
-#include "uart.hpp"
-
-extern "C" {
-#include <proc/p32mx470f512h.h>
-#include <sys/attribs.h>
-}
-
-
-void __ISR(_UART_1_VECTOR, IPL1AUTO) usart_1_isr()
-{
-    if (IFS1bits.U1RXIF) {
-        uart::rx_buffer[0].push_back(static_cast<uint8_t>(U1RXREG));
-
-        IFS1bits.U1RXIF = 0;
-    } else if (IFS1bits.U1TXIF) {
-
-        IFS1bits.U1TXIF = 0;
-    }
-}
-
-namespace uart
-{
-    template<>
-    void initialize<1>()
-    {
-        // STSEL 1S; IREN disabled; PDSEL 8N; RTSMD disabled; RXINV disabled; SIDL disabled; WAKE disabled; ABAUD disabled; LPBACK disabled; BRGH enabled; UEN TX_RX; ON enabled; 
-        U1MODE = 0x8008;
-        // UTXISEL TX_ONE_CHAR; UTXINV disabled; ADDR 0; URXEN disabled; OERR disabled; ADM_EN disabled; URXISEL RX_ONE_CHAR; UTXBRK disabled; UTXEN disabled; ADDEN disabled; 
-        U1STA = 0x0;
-        // U1TXREG 0; 
-        U1TXREG = 0x0;
-        // BaudRate = 9600; Frequency = 1000000 Hz; BRG 25; 
-        U1BRG = 0x19;
-
-        IEC1bits.U1RXIE = 1;
-
-        U1STAbits.UTXEN = 1;
-        U1STAbits.URXEN = 1;
-
-        //Enabling UART
-        U1MODEbits.ON = 1;
-    }
-}
diff --git a/main.cpp b/main.cpp
index 59a9097..427378c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -10,7 +10,7 @@
 
 // #include "mcc_generated_files/mcc.h"
 
-#include "hal/uart1.tpp"
+#include "hal/uart.tpp"
 #include "hal/pin.tpp"
 
 extern "C" {
-- 
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