From e6bffe23c87a9f6de8abdec747600f674b9cab62 Mon Sep 17 00:00:00 2001
From: William Harrington <kb0iic@berzerkula.org>
Date: Sat, 27 Jul 2019 22:16:27 -0500
Subject: Copy project files into repo

---
 uart.c | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100755 uart.c

(limited to 'uart.c')

diff --git a/uart.c b/uart.c
new file mode 100755
index 0000000..5670530
--- /dev/null
+++ b/uart.c
@@ -0,0 +1,70 @@
+//***Initializing UART module for PIC16F887***//
+
+#include "uart.h"
+#include "conf.h"
+
+void Initialize_UART(void) {
+    //****Setting I/O pins for UART****//
+    TRISC6 = 0; // TX Pin set as output
+    TRISC7 = 1; // RX Pin set as input
+    //________I/O pins set __________//
+
+    /**Initialize SPBRG register for required 
+    baud rate and set BRGH for fast baud_rate**/
+    SPBRG = ((_XTAL_FREQ / 16) / Baud_rate) - 1;
+    BRGH = 1; // for high baud_rate
+    //_________End of baud_rate setting_________//
+
+    //****Enable Asynchronous serial port*******//
+    SYNC = 0; // Asynchronous
+    SPEN = 1; // Enable serial port pins
+    //_____Asynchronous serial port enabled_______//
+
+    //**Lets prepare for transmission & reception**//
+    TXEN = 1; // enable transmission
+    CREN = 1; // enable reception
+    //__UART module up and ready for transmission and reception__//
+
+    //**Select 8-bit mode**//  
+    TX9 = 0; // 8-bit reception selected
+    RX9 = 0; // 8-bit reception mode selected
+    //__8-bit mode selected__//     
+}
+//________UART module Initialized__________//
+
+
+
+//**Function to send one byte of date to UART**//
+
+void UART_send_char(char bt) {
+    while (!TXIF); // hold the program till TX buffer is free
+    TXREG = bt; //Load the transmitter buffer with the received value
+}
+//_____________End of function________________//
+
+
+
+//**Function to get one byte of date from UART**//
+
+char UART_get_char() {
+    if (OERR) // check for Error 
+    {
+        CREN = 0; //If error -> Reset 
+        CREN = 1; //If error -> Reset 
+    }
+
+    while (!RCIF); // hold the program till RX buffer is free
+
+    return RCREG; //receive the value and send it to main function
+}
+//_____________End of function________________//
+
+
+
+//**Function to convert string to byte**//
+
+void UART_send_string(char* st_pt) {
+    while (*st_pt) //if there is a char
+        UART_send_char(*st_pt++); //process it as a byte data
+}
+//___________End of function______________//
\ No newline at end of file
-- 
cgit v1.2.3-54-g00ecf