X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=cctools%2Flib%2Fcp-usb.c;fp=cctools%2Flib%2Fcp-usb.c;h=0000000000000000000000000000000000000000;hp=530848db1cd50bbad8c014bab9019100d56c7f8d;hb=a5782398d968e7cb11f7203afada7c216f233b3b;hpb=7cba411de0780c65e3490ab67186a514f0ea42ec

diff --git a/cctools/lib/cp-usb.c b/cctools/lib/cp-usb.c
deleted file mode 100644
index 530848db..00000000
--- a/cctools/lib/cp-usb.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Copyright © 2008 Keith Packard <keithp@keithp.com>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-/*
- * libusb interface to the GPIO pins on a CP2103.
- *
- * Various magic constants came from the cp210x driver published by silabs.
- */
-
-#include "cp-usb.h"
-#include <stdio.h>
-#include <errno.h>
-#include <libusb.h>
-
-struct cp_usb {
-	usb_dev_handle *usb_dev;
-	uint8_t	gpio;
-};
-
-#define CP2101_UART	0x00
-#define UART_ENABLE	0x0001
-#define UART_DISABLE	0x0000
-#define REQTYPE_HOST_TO_DEVICE  0x41
-#define REQTYPE_DEVICE_TO_HOST  0xc1
-
-static int
-cp_usb_gpio_get(struct cp_usb *cp, uint8_t *gpio_get)
-{
-	return usb_control_msg(cp->usb_dev,		/* dev */
-			       0xc0,			/* request */
-			       0xff,			/* requesttype */
-			       0x00c2,			/* value */
-			       0,			/* index */
-			       (char *) gpio_get,	/* bytes */
-			       1,			/* size */
-			       300);			/* timeout */
-}
-
-static int
-cp_usb_gpio_set(struct cp_usb *cp, uint8_t mask, uint8_t value)
-{
-	uint16_t gpio_set = ((uint16_t) value << 8) | mask;
-
-	return usb_control_msg(cp->usb_dev,		/* dev */
-			       0x40,			/* request */
-			       0xff,			/* requesttype */
-			       0x37e1,			/* value */
-			       gpio_set,		/* index */
-			       NULL,			/* bytes */
-			       0,			/* size */
-			       300);			/* timeout */
-}
-
-static int
-cp_usb_uart_enable_disable(struct cp_usb *cp, uint16_t enable)
-{
-	return usb_control_msg(cp->usb_dev,
-			       CP2101_UART,
-			       REQTYPE_HOST_TO_DEVICE,
-			       enable,
-			       0,
-			       NULL,
-			       0,
-			       300);
-}
-
-struct cp_usb *
-cp_usb_open(void)
-{
-	struct cp_usb *cp;
-	usb_dev_handle *dev_handle;
-	struct usb_device *dev = NULL;
-	struct usb_bus *bus, *busses;
-	int interface;
-	int ret;
-	uint8_t gpio;
-
-	usb_init();
-	usb_find_busses();
-	usb_find_devices();
-
-	busses = usb_get_busses();
-	for (bus = busses; bus; bus = bus->next) {
-		for (dev = bus->devices; dev; dev = dev->next) {
-			if (dev->descriptor.idVendor == 0x10c4 &&
-			    dev->descriptor.idProduct == 0xea60)
-				break;
-		}
-		if (dev)
-			break;
-	}
-	if (!dev){
-		perror("No CP2103 found");
-		return NULL;
-	}
-	cp = calloc(sizeof(struct cp_usb), 1);
-	interface = 0;
-	dev_handle = usb_open(dev);
-	usb_detach_kernel_driver_np(dev_handle, interface);
-	usb_claim_interface(dev_handle, interface);
-	cp->usb_dev = dev_handle;
-	ret = cp_usb_uart_enable_disable(cp, UART_DISABLE);
-	cp->gpio = 0xf;
-	ret = cp_usb_gpio_set(cp, 0xf, cp->gpio);
-	ret = cp_usb_gpio_get(cp, &gpio);
-	return cp;
-}
-
-void
-cp_usb_close(struct cp_usb *cp)
-{
-	cp_usb_uart_enable_disable(cp, UART_DISABLE);
-	usb_close(cp->usb_dev);
-	free(cp);
-}
-
-void
-cp_usb_write(struct cp_usb *cp, uint8_t mask, uint8_t value)
-{
-	uint8_t	new_gpio;
-	int ret;
-
-	new_gpio = (cp->gpio & ~mask) | (value & mask);
-	if (new_gpio != cp->gpio) {
-		ret = cp_usb_gpio_set(cp, new_gpio ^ cp->gpio, new_gpio);
-		if (ret < 0)
-			perror("gpio_set");
-		cp->gpio = new_gpio;
-	}
-}
-
-uint8_t
-cp_usb_read(struct cp_usb *cp)
-{
-	int ret;
-	uint8_t gpio;
-
-	ret = cp_usb_gpio_get(cp, &gpio);
-	if (ret < 0)
-		perror("gpio_get");
-	return gpio;
-}