# group `send_functions` {#group__send__functions}
These are the functions you use to send midi data through a device.
## Summary
Members | Descriptions
--------------------------------|---------------------------------------------
`public void `[`midi_send_cc`](#group__send__functions_1gaaf884811c92df405ca8fe1a00082f960)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t val)` | Send a control change message (cc) via the given device.
`public void `[`midi_send_noteon`](#group__send__functions_1ga467bcf46dbf03ec269ce565b46bc2775)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t vel)` | Send a note on message via the given device.
`public void `[`midi_send_noteoff`](#group__send__functions_1gaedb7d8805425eef5d47d57ddcb4c7a49)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t vel)` | Send a note off message via the given device.
`public void `[`midi_send_aftertouch`](#group__send__functions_1ga0014847571317a0e34b2ef46a6bc584f)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t note_num,uint8_t amt)` | Send an after touch message via the given device.
`public void `[`midi_send_pitchbend`](#group__send__functions_1gae5a4a1e71611e7534be80af9ce3d3491)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,int16_t amt)` | Send a pitch bend message via the given device.
`public void `[`midi_send_programchange`](#group__send__functions_1ga7b15588ef25e5e1ff09c2afc3151ce86)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num)` | Send a program change message via the given device.
`public void `[`midi_send_channelpressure`](#group__send__functions_1gaf23e69fdf812e89c0036f51f88ab2e1b)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t amt)` | Send a channel pressure message via the given device.
`public void `[`midi_send_clock`](#group__send__functions_1ga4e1b11a7cdb0875f6e03ce7c79c581aa)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a clock message via the given device.
`public void `[`midi_send_tick`](#group__send__functions_1ga2b43c7d433d940c5b907595aac947972)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a tick message via the given device.
`public void `[`midi_send_start`](#group__send__functions_1ga1569749a8d58ccc56789289d7c7245cc)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a start message via the given device.
`public void `[`midi_send_continue`](#group__send__functions_1gaed5dc29d754a27372e89ab8bc20ee120)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a continue message via the given device.
`public void `[`midi_send_stop`](#group__send__functions_1ga026e1a620276cb653ac501aa0d12a988)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a stop message via the given device.
`public void `[`midi_send_activesense`](#group__send__functions_1ga9b6e4c6ce4719d2604187b325620db37)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send an active sense message via the given device.
`public void `[`midi_send_reset`](#group__send__functions_1ga3671e39a6d93ca9568fc493001af1b1b)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a reset message via the given device.
`public void `[`midi_send_tcquarterframe`](#group__send__functions_1ga5b85639910eec280bb744c934d0fd45a)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t time)` | Send a tc quarter frame message via the given device.
`public void `[`midi_send_songposition`](#group__send__functions_1gab1c9eeef3b57a8cd2e6128d18e85eb7f)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t pos)` | Send a song position message via the given device.
`public void `[`midi_send_songselect`](#group__send__functions_1ga42de7838ba70d949af9a50f9facc3c50)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t song)` | Send a song select message via the given device.
`public void `[`midi_send_tunerequest`](#group__send__functions_1ga8db6c7e04d48e4d2266dd59118ca0656)`(`[`MidiDevice`](#struct__midi__device)` * device)` | Send a tune request message via the given device.
`public void `[`midi_send_byte`](#group__send__functions_1ga857e85eb90b288385642d4d991e09881)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t b)` | Send a byte via the given device.
`public void `[`midi_send_data`](#group__send__functions_1ga36e2f2e45369d911b76969361679054b)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t count,uint8_t byte0,uint8_t byte1,uint8_t byte2)` | Send up to 3 bytes of data.
`public void `[`midi_send_array`](#group__send__functions_1ga245243cb1da18d2cea18d4b18d846ead)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t count,uint8_t * array)` | Send an array of formatted midi data.
## Members
#### `public void `[`midi_send_cc`](#group__send__functions_1gaaf884811c92df405ca8fe1a00082f960)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t val)` {#group__send__functions_1gaaf884811c92df405ca8fe1a00082f960}
Send a control change message (cc) via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `num` the cc num
* `val` the value of that cc num
#### `public void `[`midi_send_noteon`](#group__send__functions_1ga467bcf46dbf03ec269ce565b46bc2775)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t vel)` {#group__send__functions_1ga467bcf46dbf03ec269ce565b46bc2775}
Send a note on message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `num` the note number
* `vel` the note velocity
#### `public void `[`midi_send_noteoff`](#group__send__functions_1gaedb7d8805425eef5d47d57ddcb4c7a49)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num,uint8_t vel)` {#group__send__functions_1gaedb7d8805425eef5d47d57ddcb4c7a49}
Send a note off message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `num` the note number
* `vel` the note velocity
#### `public void `[`midi_send_aftertouch`](#group__send__functions_1ga0014847571317a0e34b2ef46a6bc584f)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t note_num,uint8_t amt)` {#group__send__functions_1ga0014847571317a0e34b2ef46a6bc584f}
Send an after touch message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `note_num` the note number
* `amt` the after touch amount
#### `public void `[`midi_send_pitchbend`](#group__send__functions_1gae5a4a1e71611e7534be80af9ce3d3491)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,int16_t amt)` {#group__send__functions_1gae5a4a1e71611e7534be80af9ce3d3491}
Send a pitch bend message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `amt` the bend amount range: -8192..8191, 0 means no bend
#### `public void `[`midi_send_programchange`](#group__send__functions_1ga7b15588ef25e5e1ff09c2afc3151ce86)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t num)` {#group__send__functions_1ga7b15588ef25e5e1ff09c2afc3151ce86}
Send a program change message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `num` the program to change to
#### `public void `[`midi_send_channelpressure`](#group__send__functions_1gaf23e69fdf812e89c0036f51f88ab2e1b)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t chan,uint8_t amt)` {#group__send__functions_1gaf23e69fdf812e89c0036f51f88ab2e1b}
Send a channel pressure message via the given device.
#### Parameters
* `device` the device to use for sending
* `chan` the channel to send on, 0-15
* `amt` the amount of channel pressure
#### `public void `[`midi_send_clock`](#group__send__functions_1ga4e1b11a7cdb0875f6e03ce7c79c581aa)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga4e1b11a7cdb0875f6e03ce7c79c581aa}
Send a clock message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_tick`](#group__send__functions_1ga2b43c7d433d940c5b907595aac947972)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga2b43c7d433d940c5b907595aac947972}
Send a tick message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_start`](#group__send__functions_1ga1569749a8d58ccc56789289d7c7245cc)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga1569749a8d58ccc56789289d7c7245cc}
Send a start message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_continue`](#group__send__functions_1gaed5dc29d754a27372e89ab8bc20ee120)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1gaed5dc29d754a27372e89ab8bc20ee120}
Send a continue message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_stop`](#group__send__functions_1ga026e1a620276cb653ac501aa0d12a988)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga026e1a620276cb653ac501aa0d12a988}
Send a stop message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_activesense`](#group__send__functions_1ga9b6e4c6ce4719d2604187b325620db37)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga9b6e4c6ce4719d2604187b325620db37}
Send an active sense message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_reset`](#group__send__functions_1ga3671e39a6d93ca9568fc493001af1b1b)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga3671e39a6d93ca9568fc493001af1b1b}
Send a reset message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_tcquarterframe`](#group__send__functions_1ga5b85639910eec280bb744c934d0fd45a)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t time)` {#group__send__functions_1ga5b85639910eec280bb744c934d0fd45a}
Send a tc quarter frame message via the given device.
#### Parameters
* `device` the device to use for sending
* `time` the time of this quarter frame, range 0..16383
#### `public void `[`midi_send_songposition`](#group__send__functions_1gab1c9eeef3b57a8cd2e6128d18e85eb7f)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t pos)` {#group__send__functions_1gab1c9eeef3b57a8cd2e6128d18e85eb7f}
Send a song position message via the given device.
#### Parameters
* `device` the device to use for sending
* `pos` the song position
#### `public void `[`midi_send_songselect`](#group__send__functions_1ga42de7838ba70d949af9a50f9facc3c50)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t song)` {#group__send__functions_1ga42de7838ba70d949af9a50f9facc3c50}
Send a song select message via the given device.
#### Parameters
* `device` the device to use for sending
* `song` the song to select
#### `public void `[`midi_send_tunerequest`](#group__send__functions_1ga8db6c7e04d48e4d2266dd59118ca0656)`(`[`MidiDevice`](#struct__midi__device)` * device)` {#group__send__functions_1ga8db6c7e04d48e4d2266dd59118ca0656}
Send a tune request message via the given device.
#### Parameters
* `device` the device to use for sending
#### `public void `[`midi_send_byte`](#group__send__functions_1ga857e85eb90b288385642d4d991e09881)`(`[`MidiDevice`](#struct__midi__device)` * device,uint8_t b)` {#group__send__functions_1ga857e85eb90b288385642d4d991e09881}
Send a byte via the given device.
This is a generic method for sending data via the given midi device. This would be useful for sending sysex data or messages that are not implemented in this API, if there are any. Please contact the author if you find some so we can add them.
#### Parameters
* `device` the device to use for sending
* `b` the byte to send
#### `public void `[`midi_send_data`](#group__send__functions_1ga36e2f2e45369d911b76969361679054b)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t count,uint8_t byte0,uint8_t byte1,uint8_t byte2)` {#group__send__functions_1ga36e2f2e45369d911b76969361679054b}
Send up to 3 bytes of data.
% 4 is applied to count so that you can use this to pass sysex through
#### Parameters
* `device` the device to use for sending
* `count` the count of bytes to send, %4 is applied
* `byte0` the first byte
* `byte1` the second byte, ignored if cnt % 4 != 2
* `byte2` the third byte, ignored if cnt % 4 != 3
#### `public void `[`midi_send_array`](#group__send__functions_1ga245243cb1da18d2cea18d4b18d846ead)`(`[`MidiDevice`](#struct__midi__device)` * device,uint16_t count,uint8_t * array)` {#group__send__functions_1ga245243cb1da18d2cea18d4b18d846ead}
Send an array of formatted midi data.
Can be used for sysex.
#### Parameters
* `device` the device to use for sending
* `count` the count of bytes to send
* `array` the array of bytes
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/*
* linux/arch/i386/traps.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*
* Pentium III FXSR, SSE support
* Gareth Hughes <gareth@valinux.com>, May 2000
*/
/*
* 'Traps.c' handles hardware traps and faults after we have saved some
* state in 'asm.s'.
*/
#include <linux/config.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/highmem.h>
#include <linux/kallsyms.h>
#include <linux/ptrace.h>
#include <linux/utsname.h>
#include <linux/kprobes.h>
#include <linux/kexec.h>
#ifdef CONFIG_EISA
#include <linux/ioport.h>
#include <linux/eisa.h>
#endif
#ifdef CONFIG_MCA
#include <linux/mca.h>
#endif
#include <asm/processor.h>
#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/atomic.h>
#include <asm/debugreg.h>
#include <asm/desc.h>
#include <asm/i387.h>
#include <asm/nmi.h>
#include <asm/smp.h>
#include <asm/arch_hooks.h>
#include <asm/kdebug.h>
#include <linux/module.h>
#include "mach_traps.h"
asmlinkage int system_call(void);
struct desc_struct default_ldt[] = { { 0, 0 }, { 0, 0 }, { 0, 0 },
{ 0, 0 }, { 0, 0 } };
/* Do we ignore FPU interrupts ? */
char ignore_fpu_irq = 0;
#ifndef CONFIG_X86_NO_IDT
/*
* The IDT has to be page-aligned to simplify the Pentium
* F0 0F bug workaround.. We have a special link segment
* for this.
*/
struct desc_struct idt_table[256] __attribute__((__section__(".data.idt"))) = { {0, 0}, };
#endif
asmlinkage void divide_error(void);
asmlinkage void debug(void);
asmlinkage void nmi(void);
asmlinkage void int3(void);
asmlinkage void overflow(void);
asmlinkage void bounds(void);
asmlinkage void invalid_op(void);
asmlinkage void device_not_available(void);
asmlinkage void coprocessor_segment_overrun(void);
asmlinkage void invalid_TSS(void);
asmlinkage void segment_not_present(void);
asmlinkage void stack_segment(void);
asmlinkage void general_protection(void);
asmlinkage void page_fault(void);
asmlinkage void coprocessor_error(void);
asmlinkage void simd_coprocessor_error(void);
asmlinkage void alignment_check(void);
#ifndef CONFIG_XEN
asmlinkage void spurious_interrupt_bug(void);
#else
asmlinkage void fixup_4gb_segment(void);
#endif
asmlinkage void machine_check(void);
static int kstack_depth_to_print = 24;
struct notifier_block *i386die_chain;
static DEFINE_SPINLOCK(die_notifier_lock);
int register_die_notifier(struct notifier_block *nb)
{
int err = 0;
unsigned long flags;
spin_lock_irqsave(&die_notifier_lock, flags);
err = notifier_chain_register(&i386die_chain, nb);
spin_unlock_irqrestore(&die_notifier_lock, flags);
return err;
}
EXPORT_SYMBOL(register_die_notifier);
static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
{
return p > (void *)tinfo &&
p < (void *)tinfo + THREAD_SIZE - 3;
}
static void print_addr_and_symbol(unsigned long addr, char *log_lvl)
{
printk(log_lvl);
printk(" [<%08lx>] ", addr);
print_symbol("%s", addr);
printk("\n");
}
static inline unsigned long print_context_stack(struct thread_info *tinfo,
unsigned long *stack, unsigned long ebp,
char *log_lvl)
{
unsigned long addr;
#ifdef CONFIG_FRAME_POINTER
while (valid_stack_ptr(tinfo, (void *)ebp)) {
addr = *(unsigned long *)(ebp + 4);
print_addr_and_symbol(addr, log_lvl);
ebp = *(unsigned long *)ebp;
}
#else
while (valid_stack_ptr(tinfo, stack)) {
addr = *stack++;
if (__kernel_text_address(addr))
print_addr_and_symbol(addr, log_lvl);
}
#endif
return ebp;
}
static void show_trace_log_lvl(struct task_struct *task,
unsigned long *stack, char *log_lvl)
{
unsigned long ebp;
if (!task)
task = current;
if (task == current) {
/* Grab ebp right from our regs */
asm ("movl %%ebp, %0" : "=r" (ebp) : );
} else {
/* ebp is the last reg pushed by switch_to */
ebp = *(unsigned long *) task->thread.esp;
}
while (1) {
struct thread_info *context;
context = (struct thread_info *)
((unsigned long)stack & (~(THREAD_SIZE - 1)));
ebp = print_context_stack(context, stack, ebp, log_lvl);
stack = (unsigned long*)context->previous_esp;
if (!stack)
break;
printk(log_lvl);
printk(" =======================\n");
}
}
void show_trace(struct task_struct *task, unsigned long * stack)
{
show_trace_log_lvl(task, stack, "");
}
static void show_stack_log_lvl(struct task_struct *task, unsigned long *esp,
char *log_lvl)
{
unsigned long *stack;
int i;
if (esp == NULL) {
if (task)
esp = (unsigned long*)task->thread.esp;
else
esp = (unsigned long *)&esp;
}
stack = esp;
printk(log_lvl);
for(i = 0; i < kstack_depth_to_print; i++) {
if (kstack_end(stack))
break;
if (i && ((i % 8) == 0)) {
printk("\n");
printk(log_lvl);
printk(" ");
}
printk("%08lx ", *stack++);
}
printk("\n");
printk(log_lvl);
printk("Call Trace:\n");
show_trace_log_lvl(task, esp, log_lvl);
}
void show_stack(struct task_struct *task, unsigned long *esp)
{
show_stack_log_lvl(task, esp, "");
}
/*
* The architecture-independent dump_stack generator
*/
void dump_stack(void)
{
unsigned long stack;
show_trace(current, &stack);
}
EXPORT_SYMBOL(dump_stack);
void show_registers(struct pt_regs *regs)
{
int i;
int in_kernel = 1;
unsigned long esp;
unsigned short ss;
esp = (unsigned long) (®s->esp);
savesegment(ss, ss);
if (user_mode(regs)) {
in_kernel = 0;
esp = regs->esp;
ss = regs->xss & 0xffff;
}
print_modules();
printk(KERN_EMERG "CPU: %d\nEIP: %04x:[<%08lx>] %s VLI\n"
"EFLAGS: %08lx (%s %.*s) \n",
smp_processor_id(), 0xffff & regs->xcs, regs->eip,
print_tainted(), regs->eflags, system_utsname.release,
(int)strcspn(system_utsname.version, " "),
system_utsname.version);
print_symbol(KERN_EMERG "EIP is at %s\n", regs->eip);
printk(KERN_EMERG "eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n",
regs->eax, regs->ebx, regs->ecx, regs->edx);
printk(KERN_EMERG "esi: %08lx edi: %08lx ebp: %08lx esp: %08lx\n",
regs->esi, regs->edi, regs->ebp, esp);
printk(KERN_EMERG "ds: %04x es: %04x ss: %04x\n",
regs->xds & 0xffff, regs->xes & 0xffff, ss);
printk(KERN_EMERG "Process %s (pid: %d, threadinfo=%p task=%p)",
current->comm, current->pid, current_thread_info(), current);
/*
* When in-kernel, we also print out the stack and code at the
* time of the fault..
*/
if (in_kernel) {
u8 __user *eip;
printk("\n" KERN_EMERG "Stack: ");
show_stack_log_lvl(NULL, (unsigned long *)esp, KERN_EMERG);
printk(KERN_EMERG "Code: ");
eip = (u8 __user *)regs->eip - 43;
for (i = 0; i < 64; i++, eip++) {
unsigned char c;
if (eip < (u8 __user *)PAGE_OFFSET || __get_user(c, eip)) {
printk(" Bad EIP value.");
break;
}
if (eip == (u8 __user *)regs->eip)
printk("<%02x> ", c);
else
printk("%02x ", c);
}
}
printk("\n");
}
static void handle_BUG(struct pt_regs *regs)
{
unsigned short ud2;
unsigned short line;
char *file;
char c;
unsigned long eip;
eip = regs->eip;
if (eip < PAGE_OFFSET)
goto no_bug;
if (__get_user(ud2, (unsigned short __user *)eip))
goto no_bug;
if (ud2 != 0x0b0f)
goto no_bug;
if (__get_user(line, (unsigned short __user *)(eip + 2)))
goto bug;
if (__get_user(file, (char * __user *)(eip + 4)) ||
(unsigned long)file < PAGE_OFFSET || __get_user(c, file))
file = "<bad filename>";
printk(KERN_EMERG "------------[ cut here ]------------\n");
printk(KERN_EMERG "kernel BUG at %s:%d!\n", file, line);
no_bug:
return;
/* Here we know it was a BUG but file-n-line is unavailable */
bug:
printk(KERN_EMERG "Kernel BUG\n");
}
/* This is gone through when something in the kernel
* has done something bad and is about to be terminated.
*/
void die(const char * str, struct pt_regs * regs, long err)
{
static struct {
spinlock_t lock;
u32 lock_owner;
int lock_owner_depth;
} die = {
.lock = SPIN_LOCK_UNLOCKED,
.lock_owner = -1,
.lock_owner_depth = 0
};
static int die_counter;
unsigned long flags;
if (die.lock_owner != raw_smp_processor_id()) {
console_verbose();
spin_lock_irqsave(&die.lock, flags);
die.lock_owner = smp_processor_id();
die.lock_owner_depth = 0;
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