From 18abece8f8a8af17a3b5e80dc1baf61457409600 Mon Sep 17 00:00:00 2001
From: Nao Pross <naopross@thearcway.org>
Date: Fri, 2 Feb 2018 12:12:18 +0100
Subject: 2 February 2018

Documentation:
  - new API documentation
  - datasheets for new components
  - update BOM
  - update documentation data

Hardware:
  - update schematic for MIDI connector

Software:
  - new MIDI API
  - update prject target to PIC18F45K22
---
 src/main.c | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

(limited to 'src/main.c')

diff --git a/src/main.c b/src/main.c
index da15d3a..4fb245a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,6 +1,6 @@
 /*
  * File:    main.c
- * Author:  _prossn
+ * Author:  Naoki Pross 4E
  * Date:    08.01.2018
  * Target:  PIC18F44K22
  * Version  1.0
@@ -71,21 +71,47 @@
 // Use project enums instead of #define for ON and OFF.
 
 #include "rs232.h"
+#include "midi.h"
 
 #include <xc.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
+int eusart_write_midi(midi_message_t *pkt)
+{
+    if (pkt == NULL) {
+        return -1;
+    }
+    
+    if (pkt->data == NULL) {
+        return -2;
+    }
+    
+    size_t length = pkt->data_size;
+    uint8_t *data = pkt->data;
+    
+    putch((char)((pkt->status << 4) | pkt->channel));
+    
+    while (length--) {
+        putch((char) *(data++));
+    }
+    
+    return 0;
+}
+
 
 /* main program */
 void main(void) {
     
+    midi_message_t sample_message;
+    midi_note_on(&sample_message, 0x0, 0x3C, 0x7F);
+    
     eusart_init();
 
     /* main loop */
     while (1) {
-        
+        eusart_write_midi(&sample_message);
     }
 }
 
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