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ben-wpan/tools/lib/atusb.c
Werner Almesberger 809311284d lib/atusb.c: fix typo in function name
- lib/atusb.c (atusd_interrupt, atusb_driver): we're in atusb.c, so the
  function name should begin with atusb_, not atusd_
2010-11-11 10:34:09 -03:00

248 lines
4.2 KiB
C

/*
* lib/atusb.c - ATUSB access functions library (USB version)
*
* Written 2010 by Werner Almesberger
* Copyright 2010 Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <stdio.h>
#include <usb.h>
#include "f32xbase/usb.h"
#include "atusb/ep0.h"
#include "atusb/usb-ids.h"
#include "driver.h"
#define FROM_DEV ATUSB_FROM_DEV(0)
#define TO_DEV ATUSB_TO_DEV(0)
/* ----- error handling ---------------------------------------------------- */
static int error;
static int atusb_error(void *dsc)
{
return error;
}
static int atusb_clear_error(void *dsc)
{
int ret;
ret = error;
error = 0;
return ret;
}
/* ----- open/close -------------------------------------------------------- */
static void *atusb_open(void)
{
usb_dev_handle *dev;
dev = open_usb(USB_VENDOR, USB_PRODUCT);
if (dev) {
error = 0;
} else {
fprintf(stderr, ":-(\n");
error = 1;
}
return dev;
}
static void atusb_close(void *dsc)
{
/* to do */
}
/* ----- device mode ------------------------------------------------------- */
static void atusb_reset(void *dsc)
{
usb_dev_handle *dev = dsc;
int res;
if (error)
return;
res =
usb_control_msg(dev, TO_DEV, ATUSB_RESET, 0, 0, NULL, 0, 1000);
if (res < 0) {
fprintf(stderr, "ATUSB_RESET: %d\n", res);
error = 1;
}
}
static void atusb_reset_rf(void *dsc)
{
usb_dev_handle *dev = dsc;
int res;
if (error)
return;
res =
usb_control_msg(dev, TO_DEV, ATUSB_RF_RESET, 0, 0, NULL, 0, 1000);
if (res < 0) {
fprintf(stderr, "ATUSB_RF_RESET: %d\n", res);
error = 1;
}
}
static void atusb_test_mode(void *dsc)
{
usb_dev_handle *dev = dsc;
int res;
if (error)
return;
res =
usb_control_msg(dev, TO_DEV, ATUSB_TEST, 0, 0, NULL, 0, 1000);
if (res < 0) {
fprintf(stderr, "ATUSB_TEST: %d\n", res);
error = 1;
}
}
/* ----- register access --------------------------------------------------- */
static void atusb_reg_write(void *dsc, uint8_t reg, uint8_t value)
{
usb_dev_handle *dev = dsc;
int res;
if (error)
return;
res = usb_control_msg(dev, TO_DEV, ATUSB_REG_WRITE, value, reg,
NULL, 0, 1000);
if (res < 0) {
fprintf(stderr, "ATUSB_REG_WRITE: %d\n", res);
error = 1;
}
}
static uint8_t atusb_reg_read(void *dsc, uint8_t reg)
{
usb_dev_handle *dev = dsc;
uint8_t value = 0;
int res;
if (error)
return 0;
res = usb_control_msg(dev, FROM_DEV, ATUSB_REG_READ, 0, reg,
(void *) &value, 1, 1000);
if (res < 0) {
fprintf(stderr, "ATUSB_REG_READ: %d\n", res);
error = 1;
}
return value;
}
/* ----- frame buffer access ----------------------------------------------- */
static void atusb_buf_write(void *dsc, const void *buf, int size)
{
usb_dev_handle *dev = dsc;
int res;
if (error)
return;
res = usb_control_msg(dev, TO_DEV, ATUSB_BUF_WRITE, 0, 0,
(void *) buf, size, 1000);
if (res < 0) {
fprintf(stderr, "ATUSB_BUF_WRITE: %d\n", res);
error = 1;
}
}
static int atusb_buf_read(void *dsc, void *buf, int size)
{
usb_dev_handle *dev = dsc;
int res;
if (error)
return -1;
res = usb_control_msg(dev, FROM_DEV, ATUSB_BUF_READ, 0, 0,
buf, size, 1000);
if (res < 0) {
fprintf(stderr, "ATUSB_BUF_READ: %d\n", res);
error = 1;
}
return res;
}
/* ----- RF interrupt ------------------------------------------------------ */
static int atusb_interrupt(void *dsc)
{
usb_dev_handle *dev = dsc;
uint8_t buf;
int res;
if (error)
return -1;
res = usb_control_msg(dev, FROM_DEV, ATUSB_POLL_INT, 0, 0,
(void *) &buf, 1, 1000);
if (res < 0) {
fprintf(stderr, "ATUSB_POLL_INT: %d\n", res);
error = 1;
}
return buf;
}
/* ----- driver interface -------------------------------------------------- */
struct atrf_driver atusb_driver = {
.name = "USB",
.open = atusb_open,
.close = atusb_close,
.error = atusb_error,
.clear_error = atusb_clear_error,
.reset = atusb_reset,
.reset_rf = atusb_reset_rf,
.test_mode = atusb_test_mode,
.reg_write = atusb_reg_write,
.reg_read = atusb_reg_read,
.buf_write = atusb_buf_write,
.buf_read = atusb_buf_read,
.interrupt = atusb_interrupt,
};