Move OS independent HID routines to a separate file.

This commit is contained in:
Serge Vakulenko 2018-09-17 23:07:42 -07:00
parent e09c4d3b6e
commit 859b993589
8 changed files with 205 additions and 442 deletions

View File

@ -6,7 +6,7 @@ UNAME = $(shell uname)
CFLAGS = -g -O -Wall -Werror -DVERSION='"$(VERSION).$(GITCOUNT)"'
LDFLAGS = -g
OBJS = main.o util.o radio.o dfu-libusb.o uv380.o md380.o rd5r.o
OBJS = main.o util.o radio.o dfu-libusb.o uv380.o md380.o rd5r.o hid.o
LIBS = -lusb-1.0
# Linux

View File

@ -5,7 +5,7 @@ GITCOUNT = $(shell git rev-list HEAD --count)
CFLAGS = -g -O -Wall -Werror -DVERSION='"$(VERSION).$(GITCOUNT)"'
LDFLAGS = -g -s
OBJS = main.o util.o radio.o dfu-windows.o uv380.o md380.o rd5r.o hid-windows.o
OBJS = main.o util.o radio.o dfu-windows.o uv380.o md380.o rd5r.o hid.o hid-windows.o
LIBS = -lhid -lsetupapi
# Compiling Windows binary from Linux

View File

@ -32,25 +32,11 @@
#include <libusb-1.0/libusb.h>
#include "util.h"
static const unsigned char CMD_PRG[] = "\2PROGRA";
static const unsigned char CMD_PRG2[] = "M\2";
static const unsigned char CMD_ACK[] = "A";
static const unsigned char CMD_READ[] = "Raan";
static const unsigned char CMD_WRITE[] = "Waan...";
static const unsigned char CMD_ENDR[] = "ENDR";
static const unsigned char CMD_ENDW[] = "ENDW";
static const unsigned char CMD_CWB0[] = "CWB\4\0\0\0\0";
static const unsigned char CMD_CWB1[] = "CWB\4\0\1\0\0";
static libusb_context *ctx = NULL; // libusb context
static libusb_device_handle *dev; // libusb device
static struct libusb_transfer *transfer; // async transfer descriptor
static unsigned char receive_buf[42]; // receive buffer
static volatile int nbytes_received = 0; // receive result
static unsigned offset = 0; // CWD offset
#define HID_INTERFACE 0 // interface index
#define TIMEOUT_MSEC 500 // receive timeout
//
// Callback function for asynchronous receive.
@ -205,9 +191,8 @@ void hid_send_recv(const unsigned char *data, unsigned nbytes, unsigned char *rd
//
// Connect to the specified device.
// Initiate the programming session.
// Query and return the device identification string.
//
const char *hid_init(int vid, int pid)
int hid_init(int vid, int pid)
{
int error = libusb_init(&ctx);
if (error < 0) {
@ -224,7 +209,7 @@ const char *hid_init(int vid, int pid)
}
libusb_exit(ctx);
ctx = 0;
return 0;
return -1;
}
if (libusb_kernel_driver_active(dev, 0)) {
libusb_detach_kernel_driver(dev, 0);
@ -239,35 +224,7 @@ const char *hid_init(int vid, int pid)
ctx = 0;
exit(-1);
}
static unsigned char reply[38];
unsigned char ack;
hid_send_recv(CMD_PRG, 7, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong PRD acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
return 0;
}
hid_send_recv(CMD_PRG2, 2, reply, 16);
hid_send_recv(CMD_ACK, 1, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong PRG2 acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
return 0;
}
// Reply:
// 42 46 2d 35 52 ff ff ff 56 32 31 30 00 04 80 04
// B F - 5 R V 2 1 0
// Terminate the string.
char *p = memchr(reply, 0xff, sizeof(reply));
if (p)
*p = 0;
return (char*)reply;
}
void hid_close()
@ -284,98 +241,3 @@ void hid_close()
libusb_exit(ctx);
ctx = 0;
}
void hid_read_block(int bno, uint8_t *data, int nbytes)
{
unsigned addr = bno * nbytes;
unsigned char ack, cmd[4], reply[32+4];
int n;
if (addr < 0x10000 && offset != 0) {
offset = 0;
hid_send_recv(CMD_CWB0, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
} else if (addr >= 0x10000 && offset == 0) {
offset = 0x00010000;
hid_send_recv(CMD_CWB1, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
for (n=0; n<nbytes; n+=32) {
cmd[0] = CMD_READ[0];
cmd[1] = (addr + n) >> 8;
cmd[2] = addr + n;
cmd[3] = 32;
hid_send_recv(cmd, 4, reply, sizeof(reply));
memcpy(data + n, reply + 4, 32);
}
}
void hid_write_block(int bno, uint8_t *data, int nbytes)
{
unsigned addr = bno * nbytes;
unsigned char ack, cmd[4+32];
int n;
if (addr < 0x10000 && offset != 0) {
offset = 0;
hid_send_recv(CMD_CWB0, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
} else if (addr >= 0x10000 && offset == 0) {
offset = 0x00010000;
hid_send_recv(CMD_CWB1, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
for (n=0; n<nbytes; n+=32) {
cmd[0] = CMD_WRITE[0];
cmd[1] = (addr + n) >> 8;
cmd[2] = addr + n;
cmd[3] = 32;
memcpy(cmd + 4, data + n, 32);
hid_send_recv(cmd, 4+32, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
}
void hid_read_finish()
{
unsigned char ack;
hid_send_recv(CMD_ENDR, 4, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
}
}
void hid_write_finish()
{
unsigned char ack;
hid_send_recv(CMD_ENDW, 4, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
}
}

View File

@ -32,21 +32,10 @@
#include <IOKit/hid/IOHIDManager.h>
#include "util.h"
static const unsigned char CMD_PRG[] = "\2PROGRA";
static const unsigned char CMD_PRG2[] = "M\2";
static const unsigned char CMD_ACK[] = "A";
static const unsigned char CMD_READ[] = "Raan";
static const unsigned char CMD_WRITE[] = "Waan...";
static const unsigned char CMD_ENDR[] = "ENDR";
static const unsigned char CMD_ENDW[] = "ENDW";
static const unsigned char CMD_CWB0[] = "CWB\4\0\0\0\0";
static const unsigned char CMD_CWB1[] = "CWB\4\0\1\0\0";
static volatile IOHIDDeviceRef dev; // device handle
static unsigned char transfer_buf[42]; // device buffer
static unsigned char receive_buf[42]; // receive buffer
static volatile int nbytes_received = 0; // receive result
static unsigned offset = 0; // CWD offset
//
// Send a request to the device.
@ -57,6 +46,7 @@ void hid_send_recv(const unsigned char *data, unsigned nbytes, unsigned char *rd
{
unsigned char buf[42];
unsigned k;
IOReturn result;
memset(buf, 0, sizeof(buf));
buf[0] = 1;
@ -80,7 +70,7 @@ void hid_send_recv(const unsigned char *data, unsigned nbytes, unsigned char *rd
memset(receive_buf, 0, sizeof(receive_buf));
again:
// Write to HID device.
IOReturn result = IOHIDDeviceSetReport(dev, kIOHIDReportTypeOutput, 0, buf, sizeof(buf));
result = IOHIDDeviceSetReport(dev, kIOHIDReportTypeOutput, 0, buf, sizeof(buf));
if (result != kIOReturnSuccess) {
fprintf(stderr, "HID output error: %d!\n", result);
exit(-1);
@ -89,9 +79,9 @@ again:
// Run main application loop until reply received.
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, 0);
for (k = 0; nbytes_received <= 0; k++) {
usleep(10000);
usleep(100);
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, 0);
if (k >= 10) {
if (k >= 1000) {
if (trace_flag > 0) {
fprintf(stderr, "No response from HID device!\n");
}
@ -179,7 +169,7 @@ static void callback_close(void *ontext,
//
// Launch the IOHIDManager.
//
const char *hid_init(int vid, int pid)
int hid_init(int vid, int pid)
{
// Create the USB HID Manager.
IOHIDManagerRef HIDManager = IOHIDManagerCreate(kCFAllocatorDefault,
@ -210,7 +200,7 @@ const char *hid_init(int vid, int pid)
if (trace_flag) {
fprintf(stderr, "Cannot find USB device %04x:%04x\n", vid, pid);
}
return 0;
return -1;
}
// Run main application loop until device found.
@ -218,44 +208,16 @@ const char *hid_init(int vid, int pid)
for (k=0; ; k++) {
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, 0);
if (dev)
break;
return 0;
if (k >= 3) {
if (trace_flag) {
fprintf(stderr, "Cannot find USB device %04x:%04x\n", vid, pid);
}
return 0;
return -1;
}
usleep(10000);
}
static unsigned char reply[38];
unsigned char ack;
hid_send_recv(CMD_PRG, 7, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong PRD acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
return 0;
}
hid_send_recv(CMD_PRG2, 2, reply, 16);
hid_send_recv(CMD_ACK, 1, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong PRG2 acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
return 0;
}
// Reply:
// 42 46 2d 35 52 ff ff ff 56 32 31 30 00 04 80 04
// B F - 5 R V 2 1 0
// Terminate the string.
char *p = memchr(reply, 0xff, sizeof(reply));
if (p)
*p = 0;
return (char*)reply;
}
//
@ -269,98 +231,3 @@ void hid_close()
IOHIDDeviceClose(dev, kIOHIDOptionsTypeNone);
dev = 0;
}
void hid_read_block(int bno, uint8_t *data, int nbytes)
{
unsigned addr = bno * nbytes;
unsigned char ack, cmd[4], reply[32+4];
int n;
if (addr < 0x10000 && offset != 0) {
offset = 0;
hid_send_recv(CMD_CWB0, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
} else if (addr >= 0x10000 && offset == 0) {
offset = 0x00010000;
hid_send_recv(CMD_CWB1, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
for (n=0; n<nbytes; n+=32) {
cmd[0] = CMD_READ[0];
cmd[1] = (addr + n) >> 8;
cmd[2] = addr + n;
cmd[3] = 32;
hid_send_recv(cmd, 4, reply, sizeof(reply));
memcpy(data + n, reply + 4, 32);
}
}
void hid_write_block(int bno, uint8_t *data, int nbytes)
{
unsigned addr = bno * nbytes;
unsigned char ack, cmd[4+32];
int n;
if (addr < 0x10000 && offset != 0) {
offset = 0;
hid_send_recv(CMD_CWB0, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
} else if (addr >= 0x10000 && offset == 0) {
offset = 0x00010000;
hid_send_recv(CMD_CWB1, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
for (n=0; n<nbytes; n+=32) {
cmd[0] = CMD_WRITE[0];
cmd[1] = (addr + n) >> 8;
cmd[2] = addr + n;
cmd[3] = 32;
memcpy(cmd + 4, data + n, 32);
hid_send_recv(cmd, 4+32, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
}
void hid_read_finish()
{
unsigned char ack;
hid_send_recv(CMD_ENDR, 4, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
}
}
void hid_write_finish()
{
unsigned char ack;
hid_send_recv(CMD_ENDW, 4, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
}
}

View File

@ -35,19 +35,8 @@
#include <stdint.h>
#include "util.h"
static const unsigned char CMD_PRG[] = "\2PROGRA";
static const unsigned char CMD_PRG2[] = "M\2";
static const unsigned char CMD_ACK[] = "A";
static const unsigned char CMD_READ[] = "Raan";
static const unsigned char CMD_WRITE[] = "Waan...";
static const unsigned char CMD_ENDR[] = "ENDR";
static const unsigned char CMD_ENDW[] = "ENDW";
static const unsigned char CMD_CWB0[] = "CWB\4\0\0\0\0";
static const unsigned char CMD_CWB1[] = "CWB\4\0\1\0\0";
HANDLE dev = INVALID_HANDLE_VALUE;; // HID device
static unsigned char receive_buf[42]; // receive buffer
static unsigned offset = 0; // CWD offset
//
// Send a request to the device.
@ -120,24 +109,25 @@ void hid_send_recv(const unsigned char *data, unsigned nbytes, unsigned char *rd
}
//
// Open the radio in programming mode.
// Find a HID device with given GUID, vendor ID and product ID.
// Return an opened file descriptor.
// Setup `dev' file descriptor.
//
HANDLE find_hid_device(int vid, int pid)
int hid_init(int vid, int pid)
{
static GUID guid = { 0x4d1e55b2, 0xf16f, 0x11cf, { 0x88, 0xcb, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30 } };
HANDLE h = INVALID_HANDLE_VALUE;
HDEVINFO devinfo = SetupDiGetClassDevs(&guid, NULL, NULL, DIGCF_PRESENT | DIGCF_INTERFACEDEVICE);
if (devinfo == INVALID_HANDLE_VALUE) {
printf("Cannot get devinfo!\n");
return 0;
return -1;
}
// Loop through available devices with a given GUID.
int index;
SP_INTERFACE_DEVICE_DATA iface;
iface.cbSize = sizeof(iface);
dev = INVALID_HANDLE_VALUE;
for (index=0; SetupDiEnumDeviceInterfaces(devinfo, NULL, &guid, index, &iface); ++index) {
// Obtain a required size of device detail structure.
@ -156,22 +146,22 @@ HANDLE find_hid_device(int vid, int pid)
}
//printf("Device %d: path %s\n", index, detail->DevicePath);
h = CreateFile(detail->DevicePath, GENERIC_WRITE | GENERIC_READ,
dev = CreateFile(detail->DevicePath, GENERIC_WRITE | GENERIC_READ,
0, NULL, OPEN_EXISTING, 0, NULL);
if (h == INVALID_HANDLE_VALUE) {
if (dev == INVALID_HANDLE_VALUE) {
continue;
}
// Get the Vendor ID and Product ID for this device.
HIDD_ATTRIBUTES attrib;
attrib.Size = sizeof(HIDD_ATTRIBUTES);
HidD_GetAttributes(h, &attrib);
HidD_GetAttributes(dev, &attrib);
//printf("Vendor/Product: %04x %04x\n", attrib.VendorID, attrib.ProductID);
// Check the VID/PID.
if (attrib.VendorID != vid || attrib.ProductID != pid) {
CloseHandle(h);
h = INVALID_HANDLE_VALUE;
CloseHandle(dev);
dev = INVALID_HANDLE_VALUE;
continue;
}
@ -179,51 +169,14 @@ HANDLE find_hid_device(int vid, int pid)
break;
}
SetupDiDestroyDeviceInfoList(devinfo);
return h;
}
//
// Open the radio in programming mode.
//
const char *hid_init(int vid, int pid)
{
// Find HID device.
dev = find_hid_device(vid, pid);
if (dev == INVALID_HANDLE_VALUE) {
if (trace_flag) {
fprintf(stderr, "Cannot find HID device %04x:%04x\n", vid, pid);
}
return 0;
return -1;
}
static unsigned char reply[38];
unsigned char ack;
hid_send_recv(CMD_PRG, 7, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong PRD acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
return 0;
}
hid_send_recv(CMD_PRG2, 2, reply, 16);
hid_send_recv(CMD_ACK, 1, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong PRG2 acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
return 0;
}
// Reply:
// 42 46 2d 35 52 ff ff ff 56 32 31 30 00 04 80 04
// B F - 5 R V 2 1 0
// Terminate the string.
char *p = memchr(reply, 0xff, sizeof(reply));
if (p)
*p = 0;
return (char*)reply;
}
//
@ -236,98 +189,3 @@ void hid_close()
dev = INVALID_HANDLE_VALUE;
}
}
void hid_read_block(int bno, uint8_t *data, int nbytes)
{
unsigned addr = bno * nbytes;
unsigned char ack, cmd[4], reply[32+4];
int n;
if (addr < 0x10000 && offset != 0) {
offset = 0;
hid_send_recv(CMD_CWB0, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
} else if (addr >= 0x10000 && offset == 0) {
offset = 0x00010000;
hid_send_recv(CMD_CWB1, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
for (n=0; n<nbytes; n+=32) {
cmd[0] = CMD_READ[0];
cmd[1] = (addr + n) >> 8;
cmd[2] = addr + n;
cmd[3] = 32;
hid_send_recv(cmd, 4, reply, sizeof(reply));
memcpy(data + n, reply + 4, 32);
}
}
void hid_write_block(int bno, uint8_t *data, int nbytes)
{
unsigned addr = bno * nbytes;
unsigned char ack, cmd[4+32];
int n;
if (addr < 0x10000 && offset != 0) {
offset = 0;
hid_send_recv(CMD_CWB0, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
} else if (addr >= 0x10000 && offset == 0) {
offset = 0x00010000;
hid_send_recv(CMD_CWB1, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
for (n=0; n<nbytes; n+=32) {
cmd[0] = CMD_WRITE[0];
cmd[1] = (addr + n) >> 8;
cmd[2] = addr + n;
cmd[3] = 32;
memcpy(cmd + 4, data + n, 32);
hid_send_recv(cmd, 4+32, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
}
void hid_read_finish()
{
unsigned char ack;
hid_send_recv(CMD_ENDR, 4, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
}
}
void hid_write_finish()
{
unsigned char ack;
hid_send_recv(CMD_ENDW, 4, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
}
}

174
hid.c Normal file
View File

@ -0,0 +1,174 @@
/*
* HID routines, OS independent.
*
* Copyright (C) 2018 Serge Vakulenko, KK6ABQ
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
static const unsigned char CMD_PRG[] = "\2PROGRA";
static const unsigned char CMD_PRG2[] = "M\2";
static const unsigned char CMD_ACK[] = "A";
static const unsigned char CMD_READ[] = "Raan";
static const unsigned char CMD_WRITE[] = "Waan...";
static const unsigned char CMD_ENDR[] = "ENDR";
static const unsigned char CMD_ENDW[] = "ENDW";
static const unsigned char CMD_CWB0[] = "CWB\4\0\0\0\0";
static const unsigned char CMD_CWB1[] = "CWB\4\0\1\0\0";
static unsigned offset = 0; // CWD offset
//
// Query and return the device identification string.
//
const char *hid_identify()
{
static unsigned char reply[38];
unsigned char ack;
hid_send_recv(CMD_PRG, 7, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong PRD acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
return 0;
}
hid_send_recv(CMD_PRG2, 2, reply, 16);
hid_send_recv(CMD_ACK, 1, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong PRG2 acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
return 0;
}
// Reply:
// 42 46 2d 35 52 ff ff ff 56 32 31 30 00 04 80 04
// B F - 5 R V 2 1 0
// Terminate the string.
char *p = memchr(reply, 0xff, sizeof(reply));
if (p)
*p = 0;
return (char*)reply;
}
void hid_read_block(int bno, unsigned char *data, int nbytes)
{
unsigned addr = bno * nbytes;
unsigned char ack, cmd[4], reply[32+4];
int n;
if (addr < 0x10000 && offset != 0) {
offset = 0;
hid_send_recv(CMD_CWB0, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
} else if (addr >= 0x10000 && offset == 0) {
offset = 0x00010000;
hid_send_recv(CMD_CWB1, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
for (n=0; n<nbytes; n+=32) {
cmd[0] = CMD_READ[0];
cmd[1] = (addr + n) >> 8;
cmd[2] = addr + n;
cmd[3] = 32;
hid_send_recv(cmd, 4, reply, sizeof(reply));
memcpy(data + n, reply + 4, 32);
}
}
void hid_write_block(int bno, unsigned char *data, int nbytes)
{
unsigned addr = bno * nbytes;
unsigned char ack, cmd[4+32];
int n;
if (addr < 0x10000 && offset != 0) {
offset = 0;
hid_send_recv(CMD_CWB0, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
} else if (addr >= 0x10000 && offset == 0) {
offset = 0x00010000;
hid_send_recv(CMD_CWB1, 8, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
for (n=0; n<nbytes; n+=32) {
cmd[0] = CMD_WRITE[0];
cmd[1] = (addr + n) >> 8;
cmd[2] = addr + n;
cmd[3] = 32;
memcpy(cmd + 4, data + n, 32);
hid_send_recv(cmd, 4+32, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
exit(-1);
}
}
}
void hid_read_finish()
{
unsigned char ack;
hid_send_recv(CMD_ENDR, 4, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
}
}
void hid_write_finish()
{
unsigned char ack;
hid_send_recv(CMD_ENDW, 4, &ack, 1);
if (ack != CMD_ACK[0]) {
fprintf(stderr, "%s: Wrong acknowledge %#x, expected %#x\n",
__func__, ack, CMD_ACK[0]);
}
}

View File

@ -91,7 +91,8 @@ void radio_connect()
ident = dfu_init(0x0483, 0xdf11);
if (! ident) {
// Try RD-5R.
ident = hid_init(0x15a2, 0x0073);
if (hid_init(0x15a2, 0x0073) >= 0)
ident = hid_identify();
}
if (! ident) {
fprintf(stderr, "No radio detected.\n");

5
util.h
View File

@ -68,9 +68,10 @@ void dfu_reboot(void);
//
// HID functions.
//
const char *hid_init(int vid, int pid);
int hid_init(int vid, int pid);
const char *hid_identify(void);
void hid_close(void);
int hid_write_read(const unsigned char *data, unsigned length, unsigned char *reply, unsigned rlength);
void hid_send_recv(const unsigned char *data, unsigned nbytes, unsigned char *rdata, unsigned rlength);
void hid_read_block(int bno, unsigned char *data, int nbytes);
void hid_read_finish(void);
void hid_write_block(int bno, unsigned char *data, int nbytes);