From 6ab94e0b318884bbcb95e2ea3835f951502e1d99 Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.net>
Date: Wed, 14 Oct 2020 12:47:28 +0200
Subject: Move firmware into subdirectory

---
 midi-dials/Src/usbd_midi_if.c | 480 ------------------------------------------
 1 file changed, 480 deletions(-)
 delete mode 100644 midi-dials/Src/usbd_midi_if.c

(limited to 'midi-dials/Src/usbd_midi_if.c')

diff --git a/midi-dials/Src/usbd_midi_if.c b/midi-dials/Src/usbd_midi_if.c
deleted file mode 100644
index bbcbf97..0000000
--- a/midi-dials/Src/usbd_midi_if.c
+++ /dev/null
@@ -1,480 +0,0 @@
-/**
-  ******************************************************************************
-  * @file           : usbd_midi_if.c
-  * @brief          :
-  ******************************************************************************
-
-    (CC at)2016 by D.F.Mac. @TripArts Music
-
-  ******************************************************************************
-
-    Modified by keshikan (www.keshikan.net) 2018
-    The license is (CC BY 4.0), and takes over from original usbd_midi_if.h/c.
-
-    See also original source code page.
-    https://github.com/mimuz/mimuz-tuch/blob/master/STM32/
-
-  ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "usbd_midi_if.h"
-#include "stm32f0xx_hal.h"
-
-
-// basic midi rx/tx functions
-static uint16_t MIDI_DataRx(uint8_t *msg, uint16_t length);
-static uint16_t MIDI_DataTx(uint8_t *msg, uint16_t length);
-
-// for Cure Series
-#define MIDI_BUFFER_SIZ (512)//FIFO buffer byte size for midi message buffer
-
-RingBufferU8 rbuf_usb_rx[MIDI_OUT_JACK_NUM]; //for input from USB
-RingBufferU8 rbuf_jack_rx[MIDI_IN_JACK_NUM];  //for input from MIDI-IN jack
-
-//for receiving midi data from jack
-MidiAnalysisStatus analyzed_status[MIDI_IN_JACK_NUM];
-MIDIEvent midi_event[MIDI_IN_JACK_NUM];	//received midi data
-
-uint8_t rx_midi_msg[MIDI_IN_JACK_NUM];
-
-
-FUNC_STATUS midiInit()
-{
-	uint32_t i,j;
-
-	for(i=0; i<MIDI_OUT_JACK_NUM; i++){
-		if(BUFFER_SUCCESS != cureRingBufferU8Init(&rbuf_usb_rx[i], MIDI_BUFFER_SIZ))
-		{
-			return FUNC_ERROR;
-		}
-	}
-
-	for(i=0; i<MIDI_IN_JACK_NUM; i++){
-		if(BUFFER_SUCCESS != cureRingBufferU8Init(&rbuf_jack_rx[i], MIDI_BUFFER_SIZ))
-		{
-			return FUNC_ERROR;
-		}
-	}
-
-	//Init RX
-	for(i=0; i<MIDI_IN_JACK_NUM; i++){
-
-		rx_midi_msg[i] = 0x00;
-		analyzed_status[i].data_idx = 0;
-		midi_event[i].length = 0;
-
-		for(j=0; j<MIDI_SENDDATA_MAX; j++){
-			midi_event[i].midi_byte[j] = 0x00;
-		}
-	}
-
-	return FUNC_SUCCESS;
-}
-
-FUNC_STATUS midiGetFromUsbRx(uint8_t cable_num, uint8_t* dat)
-{
-	if(BUFFER_SUCCESS != cureRingBufferU8Dequeue(&rbuf_usb_rx[cable_num], dat))
-	{
-		return FUNC_ERROR;
-	}
-
-	return FUNC_SUCCESS;
-}
-
-FUNC_STATUS midiGetFromJackRx(uint8_t cable_num)
-{
-	if(BUFFER_SUCCESS != cureRingBufferU8Dequeue(&rbuf_jack_rx[cable_num], &rx_midi_msg[cable_num]))
-	{
-		return FUNC_ERROR;
-	}
-
-	return FUNC_SUCCESS;
-}
-
-FUNC_STATUS midiSetFromJackRx(uint8_t cable_num, uint8_t* dat)
-{
-	if(BUFFER_SUCCESS != cureRingBufferU8Enqueue(&rbuf_jack_rx[cable_num], dat))
-	{
-		return FUNC_ERROR;
-	}
-
-	return FUNC_SUCCESS;
-}
-
-
-bool isUsbRxBufEmpty(uint8_t cable_num)
-{
-	if( 0 != _cureRingBufferU8GetUsedSize(&rbuf_usb_rx[cable_num]) ){
-		return false;
-	}
-
-	return true;
-}
-
-bool isJackRxBufEmpty(uint8_t cable_num)
-{
-	if( 0 != _cureRingBufferU8GetUsedSize(&rbuf_jack_rx[cable_num]) ){
-		return false;
-	}
-
-	return true;
-}
-
-bool isRxBufEmpty()
-{
-	uint32_t i;
-
-	for(i=0; i<MIDI_OUT_JACK_NUM; i++){
-		if(0 != _cureRingBufferU8GetUsedSize(&rbuf_usb_rx[i]))
-		{
-			return false;
-		}
-	}
-
-	for(i=0; i<MIDI_IN_JACK_NUM; i++){
-		if(0 != _cureRingBufferU8GetUsedSize(&rbuf_jack_rx[i]))
-		{
-			return false;
-		}
-	}
-	return true;
-}
-
-
-USBD_MIDI_ItfTypeDef USBD_Interface_fops_FS =
-{
-  MIDI_DataRx,
-  MIDI_DataTx
-};
-
-
-static uint16_t MIDI_DataRx(uint8_t *msg, uint16_t length){
-  uint16_t cnt;
-  uint16_t msgs = length / 4;
-  uint16_t chk = length % 4;
-  uint8_t u8b;
-  uint8_t midi_size;
-
-  if(0 != chk)
-  {
-	  return 0;
-  }
-
-  for(uint32_t cnt_msgs = 0; cnt_msgs < msgs; cnt_msgs++){
-
-	  uint8_t cable_num = (msg[0 + 4*cnt_msgs] & 0xF0) >> 4;
-	  uint8_t code_idx_num = msg[0 + 4*cnt_msgs] & 0x0F;
-
-	  switch (code_idx_num) {
-
-	  	  //not defined
-		  case 0x0:
-		  case 0x1:
-			  midi_size = 0;
-			  break;
-
-		  //1byte message
-		  case 0x5:
-		  case 0xF:
-			  midi_size = 1;
-			  break;
-
-		  //2byte message
-		  case 0x2:
-		  case 0x6:
-		  case 0xC:
-		  case 0xD:
-			  midi_size = 2;
-			  break;
-
-		  //3byte message
-		  case 0x3:
-		  case 0x4:
-		  case 0x7:
-		  case 0x8:
-		  case 0x9:
-		  case 0xA:
-		  case 0xB:
-		  case 0xE:
-			  midi_size = 3;
-			  break;
-
-		  default:
-			  midi_size = 0;
-			  break;
-	  }
-
-	  for(cnt = 0;cnt < midi_size;cnt ++){
-		  u8b = *(msg + 4*cnt_msgs + cnt + 1);
-		  cureRingBufferU8Enqueue(&rbuf_usb_rx[cable_num], &u8b);
-	  }
-  }
-
-  return 0;
-}
-
-void sendMidiMessage(uint8_t *msg, uint16_t size){
-  if(size == 4){
-//	APP_Rx_Buffer[0] = msg[0];
-//	APP_Rx_Buffer[1] = msg[1];
-//	APP_Rx_Buffer[2] = msg[2];
-//	APP_Rx_Buffer[3] = msg[3];
-//    USBD_MIDI_SendData(&hUsbDeviceFS, APP_Rx_Buffer, size);
-    MIDI_DataTx(msg, size);
-  }
-}
-
-static uint16_t MIDI_DataTx(uint8_t *msg, uint16_t length){
-  uint32_t i = 0;
-  while (i < length) {
-    APP_Rx_Buffer[APP_Rx_ptr_in] = *(msg + i);
-    APP_Rx_ptr_in++;
-    i++;
-    if (APP_Rx_ptr_in == APP_RX_DATA_SIZE) {
-      APP_Rx_ptr_in = 0;
-    }
-  }
-  return USBD_OK;
-}
-
-bool midiEventIsGenerated(uint8_t cable_num)
-{
-	uint8_t upper_half_byte= (rx_midi_msg[cable_num]) & 0xF0;
-
-	if( upper_half_byte & 0x80 ){//0x80-0xFF:status byte
-
-		switch(upper_half_byte){
-
-			case 0xF0://0xF0-0xFF:system message
-				switch(rx_midi_msg[cable_num]){
-
-					case 0xF0://SysEx Start
-						analyzed_status[cable_num].data_idx = 0;
-						midi_event[cable_num].midi_byte[ analyzed_status[cable_num].data_idx++ ] = rx_midi_msg[cable_num];
-						analyzed_status[cable_num].type = MSG_SYSEX;
-						analyzed_status[cable_num].stat = WAIT_SYSTEM_DATA;
-						break;
-
-					case 0xF7://SysEx End
-						midi_event[cable_num].midi_byte[ analyzed_status[cable_num].data_idx++ ] = rx_midi_msg[cable_num];
-						midi_event[cable_num].length = analyzed_status[cable_num].data_idx;
-						analyzed_status[cable_num].stat = END_ANALYSIS;
-						break;
-
-					case 0xF2://Song Position
-						midi_event[cable_num].midi_byte[0] = rx_midi_msg[cable_num];
-						analyzed_status[cable_num].type = MSG_THREE_BYTE;
-						analyzed_status[cable_num].stat = WAIT_DATA1;
-						break;
-
-					case 0xF1://Time Code
-					case 0xF3://Song Select
-						midi_event[cable_num].midi_byte[0] = rx_midi_msg[cable_num];
-						analyzed_status[cable_num].type = MSG_TWO_BYTE;
-						analyzed_status[cable_num].stat = WAIT_DATA1;
-						break;
-
-					case 0xF4://Undefined
-					case 0xF5://Undefined
-					case 0xF6://Tune request
-					case 0xF8://Timing clock
-					case 0xF9://Undefined
-					case 0xFA://Start
-					case 0xFB://Continue
-					case 0xFC://Stop
-					case 0xFD://Undefined
-					case 0xFE://Active Sensing
-					case 0xFF://Reset
-						midi_event[cable_num].midi_byte[0] = rx_midi_msg[cable_num];
-						midi_event[cable_num].length = 1;
-						analyzed_status[cable_num].type = MSG_ONE_BYTE;
-						analyzed_status[cable_num].stat = END_ANALYSIS;
-						break;
-				}
-				analyzed_status[cable_num].is_system_common = true;
-				break;
-
-			case 0x80://Note Off
-			case 0x90://Note On
-			case 0xA0://Polyphonic key-pressure
-			case 0xB0://ControlChange
-			case 0xE0://PitchBend
-				midi_event[cable_num].midi_byte[0] = rx_midi_msg[cable_num];
-				analyzed_status[cable_num].type = MSG_THREE_BYTE;
-				analyzed_status[cable_num].stat = WAIT_DATA1;
-				analyzed_status[cable_num].is_system_common = false;
-				break;
-
-			case 0xC0://Program Change
-			case 0xD0://Channel pressure
-				midi_event[cable_num].midi_byte[0] = rx_midi_msg[cable_num];
-				analyzed_status[cable_num].type = MSG_TWO_BYTE;
-				analyzed_status[cable_num].stat = WAIT_DATA1;
-				analyzed_status[cable_num].is_system_common = false;
-				break;
-
-			default:
-				analyzed_status[cable_num].type = MSG_NOTHING;
-				analyzed_status[cable_num].stat = START_ANALYSIS;
-				analyzed_status[cable_num].is_system_common = false;
-				break;
-		}
-
-	}else{//0x00-0x7F:data byte
-
-		switch(analyzed_status[cable_num].stat){
-
-			case WAIT_DATA1:
-				midi_event[cable_num].midi_byte[1] = rx_midi_msg[cable_num];
-
-				if(MSG_THREE_BYTE == analyzed_status[cable_num].type ){
-					analyzed_status[cable_num].stat = WAIT_DATA2;
-				}else if( MSG_TWO_BYTE == analyzed_status[cable_num].type ){
-					midi_event[cable_num].length = 2;
-					analyzed_status[cable_num].stat = END_ANALYSIS;
-				}else{
-					analyzed_status[cable_num].stat = START_ANALYSIS;
-				}
-				break;
-
-			case WAIT_DATA2:
-				if(MSG_THREE_BYTE == analyzed_status[cable_num].type ){
-					midi_event[cable_num].midi_byte[2] = rx_midi_msg[cable_num];
-					midi_event[cable_num].length = 3;
-					analyzed_status[cable_num].stat = END_ANALYSIS;
-				}else{
-					analyzed_status[cable_num].stat = START_ANALYSIS;
-				}
-				break;
-
-			case WAIT_SYSTEM_DATA:
-				midi_event[cable_num].midi_byte[ analyzed_status[cable_num].data_idx++ ] = rx_midi_msg[cable_num];
-
-				if(analyzed_status[cable_num].data_idx > (MIDI_SENDDATA_MAX - 1) ){
-					analyzed_status[cable_num].stat = END_ANALYSIS;
-				}
-				break;
-
-			case END_ANALYSIS://running status:When status byte is omitted.
-				midi_event[cable_num].midi_byte[1] = rx_midi_msg[cable_num];
-				if(MSG_THREE_BYTE == analyzed_status[cable_num].type){
-					analyzed_status[cable_num].stat = WAIT_DATA2;
-				}else if(MSG_TWO_BYTE == analyzed_status[cable_num].type){
-					midi_event[cable_num].length = 2;
-					analyzed_status[cable_num].stat = END_ANALYSIS;
-				}
-				break;
-
-			case START_ANALYSIS:
-				break;
-
-			default:
-				break;
-		}
-	}
-
-	if(END_ANALYSIS == analyzed_status[cable_num].stat){
-		return true;
-	}else{
-		return false;
-	}
-
-}
-
-
-void midiGenerateUsbPacket(uint8_t cable_num)
-{
-	uint8_t msg_buf[4] = {0x00,0x00,0x00,0x00};
-	uint32_t cnt_remain=0, cnt_length;
-
-	switch(analyzed_status[cable_num].type){
-
-		case MSG_ONE_BYTE:
-			//byte 0: cable number + code index number
-			msg_buf[0] = (cable_num << 4) + ((midi_event[cable_num].midi_byte[0] & 0xF0) >> 4);
-
-			sendMidiMessage(msg_buf,4);
-			break;
-
-		case MSG_TWO_BYTE:
-		case MSG_THREE_BYTE:
-			//byte 0: cable number + code index number
-			if(analyzed_status[cable_num].is_system_common){
-				msg_buf[0] = (cable_num << 4) + midi_event[cable_num].length;
-			}else{
-				msg_buf[0] = (cable_num << 4) + ((midi_event[cable_num].midi_byte[0] & 0xF0) >> 4);
-			}
-
-			//byte 1-3
-			for(uint32_t i=0; i<midi_event[cable_num].length; i++){
-				msg_buf[i+1] = midi_event[cable_num].midi_byte[i];
-			}
-
-			sendMidiMessage(msg_buf,4);
-			break;
-
-		case MSG_SYSEX:
-			for(cnt_length = 0; cnt_length < midi_event[cable_num].length; cnt_length++){
-				if( 0xF7 !=midi_event[cable_num].midi_byte[cnt_length] ){
-					if(2 == cnt_remain){
-						msg_buf[3] = midi_event[cable_num].midi_byte[cnt_length];
-						msg_buf[0] = (cable_num << 4) + 0x4;	//SysEx starts or continues
-						sendMidiMessage(msg_buf,4);
-					}else{
-						msg_buf[1 + cnt_remain] = midi_event[cable_num].midi_byte[cnt_length];
-					}
-
-
-				}else{
-
-					switch (cnt_remain) {
-						case 0:
-							msg_buf[0] = (cable_num << 4) + 0x5;	//SysEx ends with following single byte
-							msg_buf[1] = 0xF7;
-							msg_buf[2] = msg_buf[3] = 0x00;
-							sendMidiMessage(msg_buf,4);
-							break;
-
-						case 1:
-							msg_buf[0] = (cable_num << 4) + 0x6;	//SysEx ends with following two bytes.
-							msg_buf[2] = 0xF7;
-							msg_buf[3] = 0x00;
-							sendMidiMessage(msg_buf,4);
-							break;
-
-						case 2:
-							msg_buf[0] = (cable_num << 4) + 0x7;	//SysEx ends with following three bytes.
-							msg_buf[3] = 0xF7;
-							sendMidiMessage(msg_buf,4);
-							break;
-						default:
-							break;
-					}
-				}
-
-				cnt_remain++;
-				if(cnt_remain >=3){
-					cnt_remain = 0;
-				}
-			}
-			break;
-
-		default:
-			break;
-	}
-	USBD_MIDI_SendPacket();
-}
-
-void midiProcess(){
-
-	for(uint32_t cable_num=0; cable_num<MIDI_IN_JACK_NUM; cable_num++){
-		while( FUNC_SUCCESS == midiGetFromJackRx(cable_num) ){
-			if( midiEventIsGenerated(cable_num) ){// Generate MIDI event from UART buffer.
-				//Analyze MIDI Message.
-				midiGenerateUsbPacket(cable_num);
-			}
-		}
-	}
-}
-
-- 
cgit