libcc_a_SOURCES = \
ccdbg-command.c \
ccdbg-debug.c \
+ ccdbg-debug.h \
ccdbg-flash.c \
ccdbg.h \
ccdbg-hex.c \
cc-usb.h \
cc-bitbang.c \
cc-bitbang.h \
- cp-usb.c \
- cp-usb-async.c
+ cp-usb-async.c \
+ cp-usb-async.h
#include "ccdbg-debug.h"
#include "cc-bitbang.h"
-#define CP_USB_ASYNC
-
-#ifdef CP_USB_ASYNC
#include "cp-usb-async.h"
-#else
-#include "cp-usb.h"
-#endif
struct cc_bitbang {
-#ifdef CP_USB_ASYNC
struct cp_usb_async *cp_async;
-#else
- struct cp_usb *cp;
-#endif
};
static uint32_t cc_clock_us = CC_CLOCK_US;
perror("calloc");
return NULL;
}
-#ifdef CP_USB_ASYNC
bb->cp_async = cp_usb_async_open();
if (!bb->cp_async) {
free (bb);
return NULL;
}
-#else
- bb->cp = cp_usb_open ();
- if (!bb->cp) {
- free (bb);
- return NULL;
- }
-#endif
return bb;
}
void
cc_bitbang_close(struct cc_bitbang *bb)
{
-#ifdef CP_USB_ASYNC
cp_usb_async_close(bb->cp_async);
-#else
- cp_usb_close(bb->cp);
-#endif
free (bb);
}
int
cc_bitbang_write(struct cc_bitbang *bb, uint8_t mask, uint8_t value)
{
-#ifdef CP_USB_ASYNC
cp_usb_async_write(bb->cp_async, mask, value);
-#else
- cp_usb_write(bb->cp, mask, value);
-#endif
return 0;
}
void
cc_bitbang_read(struct cc_bitbang *bb, uint8_t *valuep)
{
-#ifdef CP_USB_ASYNC
cp_usb_async_read(bb->cp_async, valuep);
-#else
- *valuep = cp_usb_read(bb->cp);
-#endif
}
void
cc_bitbang_sync(struct cc_bitbang *bb)
{
-#ifdef CP_USB_ASYNC
cp_usb_async_sync(bb->cp_async);
-#endif
}
static char
+++ /dev/null
-/*
- * 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.
- */
-
-#include "ccdbg.h"
-
-static void
-say(char *name, uint8_t bits)
-{
- printf("%s: ", name);
- if (bits & CC_RESET_N)
- printf ("R ");
- else
- printf (". ");
- if (bits & CC_CLOCK)
- printf ("C ");
- else
- printf (". ");
- if (bits & CC_DATA)
- printf ("D\n");
- else
- printf (".\n");
-}
-
-static void
-_cccp_write(struct ccdbg *dbg, uint8_t mask, uint8_t value)
-{
- uint16_t set;
- int ret;
-
- set = (mask) | (value << 8);
- dbg->debug_data = (dbg->debug_data & ~mask) | (value & mask);
- ret = ioctl(dbg->fd, CP2101_IOCTL_GPIOSET, &set);
- if (ret < 0)
- perror("CP2101_IOCTL_GPIOSET");
-}
-
-void
-cccp_write(struct ccdbg *dbg, uint8_t mask, uint8_t value)
-{
- _cccp_write(dbg, mask, value);
-// say("w", dbg->debug_data);
-}
-
-uint8_t
-cccp_read_all(struct ccdbg *dbg)
-{
- int ret;
- uint8_t get;
- ret = ioctl(dbg->fd, CP2101_IOCTL_GPIOGET, &get);
- if (ret < 0) {
- perror("CP2101_IOCTL_GPIOGET");
- get = 0;
- }
- return get;
-}
-
-uint8_t
-cccp_read(struct ccdbg *dbg, uint8_t mask)
-{
- uint8_t pull_up;
- uint8_t get;
-
- /* tri-state the bits of interest */
- pull_up = (~dbg->debug_data) & mask;
- if (pull_up)
- _cccp_write(dbg, pull_up, pull_up);
- get = cccp_read_all(dbg);
- say("\t\tr", get);
- return get & mask;
-}
-
-void
-cccp_init(struct ccdbg *dbg)
-{
- /* set all of the GPIOs to a known state */
- cccp_write(dbg, 0xf, 0xf);
-}
-
-void
-cccp_fini(struct ccdbg *dbg)
-{
- /* set all of the GPIOs to a known state */
- cccp_write(dbg, 0xf, 0xf);
- dbg->clock = 1;
-}
-
-cccp_open()
-{
- dbg->fd = open("/dev/ttyUSB0", 2);
- if (dbg->fd < 0) {
- perror(file);
- free(dbg);
- return NULL;
- }
- cccp_init(dbg);
- cccp_write(dbg, CC_CLOCK, CC_CLOCK);
-}
+++ /dev/null
-/*
- * 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.
- */
-
-/*
- * Interface for using a CP2103 to talk to a CC1111
- */
-
-#ifndef _CCCP_H_
-#define _CCCP_H_
-
-void
-cccp_write(struct ccdbg *dbg, uint8_t mask, uint8_t value);
-
-uint8_t
-cccp_read_all(struct ccdbg *dbg);
-
-uint8_t
-cccp_read(struct ccdbg *dbg, uint8_t mask);
-
-void
-cccp_init(struct ccdbg *dbg);
-
-void
-cccp_fini(struct ccdbg *dbg);
-
-#endif /* _CCCP_H_ */
+++ /dev/null
-/*
- * 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;
-}
+++ /dev/null
-/*
- * 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.
- */
-
-#ifndef _CP_USB_H_
-#define _CP_USB_H_
-#include <usb.h>
-
-struct cp_usb *
-cp_usb_open(void);
-
-void
-cp_usb_close(struct cp_usb *cp);
-
-void
-cp_usb_write(struct cp_usb *cp, uint8_t mask, uint8_t value);
-
-uint8_t
-cp_usb_read(struct cp_usb *cp);
-
-
-#endif
projects / fw / altos / commitdiff