mirror of
git://projects.qi-hardware.com/ben-wpan.git
synced 2024-08-24 23:16:28 +03:00
- atusb/fw/include/atusb/ep0.h, atusb/fw/atusb/ep0.c: rename all ATSPI_* identifiers (EP0 commands, protocol revision, etc.) to ATUSB_* - tools/lib/atusb.c, tools/atspi-id/atspi-id.c: track identifier change
248 lines
4.2 KiB
C
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 atusd_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 atspi_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 = atusd_interrupt,
|
|
};
|