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Updates to get L2 working on latest iOS codebase

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This commit is contained in:
Ross Owen
2012-02-20 15:53:12 +00:00
parent 0726806ec5
commit 82494331b9
7 changed files with 130 additions and 48 deletions
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96
module_usb_midi/src/usb_midi.xc
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@@ -6,7 +6,7 @@
#include "midiinparse.h"
#include "midioutparse.h"
#include "queue.h"
#include "port32A.h"
//#include "port32A.h"
#ifdef IAP
#include "iAP.h"
#endif
@@ -64,77 +64,93 @@ extern unsigned authenticating;
// state for auto-selecting dock or USB B
extern unsigned polltime;
#ifdef IO_EXPANSION
extern port p_i2c_scl;
extern port p_i2c_sda;
#define p_midi_out p_i2c_scl
#define p_midi_in p_i2c_sda
#else
//extern out port p_midi_tx;
//extern port p_midi_rx;
#define p_midi_out p_midi_tx
#define p_midi_in p_midi_rx
#endif
//#ifdef IO_EXPANSION
#if 0
extern timer i2ctimer;
#define iAPTimer i2ctimer
#else
timer iAPTimer;
#endif
void usb_midi(in port ?p_midi_inj, out port ?p_midi_outj,
void usb_midi(in port ?p_midi_in, out port ?p_midi_out,
clock ?clk_midi,
chanend c_midi,
unsigned cable_number,
chanend c_iap, chanend ?c_i2c // iOS stuff
)
{
unsigned symbol = 0x0; // Symbol in progress of being sent out
unsigned isTX = 0; // Guard when outputting data
unsigned txT; // Timer value used for outputting
//unsigned inputPortState, newInputPortState;
int waiting_for_ack = 0;
// Receiver
unsigned rxByte;
int rxI;
int rxT;
int isRX = 0; // Guard when receiving data
timer t;
timer t2;
{
unsigned symbol = 0x0; // Symbol in progress of being sent out
unsigned isTX = 0; // Guard when outputting data
unsigned txT; // Timer value used for outputting
//unsigned inputPortState, newInputPortState;
int waiting_for_ack = 0;
// Receiver
unsigned rxByte;
int rxI;
int rxT;
int isRX = 0; // Guard when receiving data
timer t;
timer t2;
// One place buffer for data going out to host
queue midi_to_host_fifo;
unsigned char midi_to_host_fifo_arr[4]; // Used for 32bit USB MIDI events
// One place buffer for data going out to host
queue midi_to_host_fifo;
unsigned char midi_to_host_fifo_arr[4]; // Used for 32bit USB MIDI events
unsigned outputting_symbol, outputted_symbol;
unsigned outputting_symbol, outputted_symbol;
struct midi_in_parse_state mips;
struct midi_in_parse_state mips;
// the symbol fifo (to go out of uart)
queue symbol_fifo;
unsigned char symbol_fifo_arr[USB_MIDI_DEVICE_OUT_FIFO_SIZE * 4]; // Used for 32bit USB MIDI events
// the symbol fifo (to go out of uart)
queue symbol_fifo;
unsigned char symbol_fifo_arr[USB_MIDI_DEVICE_OUT_FIFO_SIZE * 4]; // Used for 32bit USB MIDI events
unsigned rxPT, txPT;
int midi_from_host_overflow = 0;
unsigned rxPT, txPT;
int midi_from_host_overflow = 0;
//configure_clock_rate(clk_midi, 100, 1);
init_queue(symbol_fifo, symbol_fifo_arr, USB_MIDI_DEVICE_OUT_FIFO_SIZE, 4);
init_queue(midi_to_host_fifo, midi_to_host_fifo_arr, 1, 4);
//configure_clock_rate(clk_midi, 100, 1);
init_queue(symbol_fifo, symbol_fifo_arr, USB_MIDI_DEVICE_OUT_FIFO_SIZE, 4);
init_queue(midi_to_host_fifo, midi_to_host_fifo_arr, 1, 4);
configure_out_port_no_ready(p_midi_out, clk_midi, 1);
configure_in_port(p_midi_in, clk_midi);
configure_out_port_no_ready(p_midi_out, clk_midi, 1);
configure_in_port(p_midi_in, clk_midi);
start_clock(clk_midi);
start_port(p_midi_out);
start_port(p_midi_in);
start_clock(clk_midi);
start_port(p_midi_out);
start_port(p_midi_in);
reset_midi_state(mips);
reset_midi_state(mips);
t :> txT;
t2 :> rxT;
t :> txT;
t2 :> rxT;
#ifndef MIDI_LOOPBACK
#ifdef IAP
port32A_unset(P32A_I2C_NOTMIDI);
#ifdef IO_EXPANSION
port32A_unset(P32A_I2C_NOTMIDI);
#endif
p_midi_out <: 1; // Start with high bit.
#endif
p_midi_out <: 1; // Start with high bit.
#ifdef IAP
port32A_set(P32A_I2C_NOTMIDI);
#ifdef IO_EXPANSION
port32A_set(P32A_I2C_NOTMIDI);
#endif
#endif
#endif
#ifdef IAP
init_iAP(c_i2c); // uses timer for i2c initialisation pause..
init_iAP(c_i2c); // uses timer for i2c initialisation pause..
#endif
{