LM
/
meta-netmodule-bsp
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'master' into cockpit

This commit is contained in:
Stefan Eichenberger 2016-07-25 11:42:25 +02:00
parent e77d91583b 8113167ad8
commit 52d0720f87
5 changed files with 781 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
recipes-connectivity/tibluetooth/tibluetooth.bb Normal file
View File

@ -0,0 +1,28 @@
SUMMARY = "Start ti bluetooth"
DESCRIPTION = "TI needs a special startup sequence for the wilink module"
AUTHOR = "Stefan Eichenberger"
SECTION = "connectivity"
LICENSE = "GPLv2+"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/GPL-2.0;md5=801f80980d171dd6425610833a22dbe6"
PR = "r0"
RDEPENDS_${PN} = "tiuim"
inherit update-rc.d
SRC_URI = " \
file://tibluetooth.sh \
"
S = "${WORKDIR}"
INHIBIT_PACKAGE_DEBUG_SPLIT = "1"
INITSCRIPT_NAME = "tibluetooth.sh"
INITSCRIPT_PARAMS = "start 99 S . stop 0 0 1 6 ."
do_install () {
install -d ${D}${sysconfdir}
install -m 0755 tibluetooth.sh ${D}${sysconfdir}
}

36
recipes-connectivity/tibluetooth/tibluetooth/tibluetooth.sh Normal file
View File

@ -0,0 +1,36 @@
#!/bin/sh
UIM="uim"
UIM_OPTS="-s 115200 -d /dev/ttyO5 -c"
UIM_PID="/var/run/uim.pid"
BLUETOOTHD="/usr/lib/bluez5/bluetooth/bluetoothd"
BLUETOOTHD_PID="/var/run/bluetoothd.pid"
case $1 in
start)
modprobe st_drv &> /dev/null
eval start-stop-daemon -b -S -q -x $UIM -p $UIM_PID -- "$UIM_OPTS"
modprobe btwilink
eval start-stop-daemon -b -S -q -x $BLUETOOTHD -p $BLUETOOTHD_PID
;;
stop)
eval start-stop-daemon --remove-pidfile -K -p $BLUETOOTHD_PID
rmmod btwilink
eval start-stop-daemon --remove-pidfile -K -p $UIM_PID
rmmod st_drv
;;
restart)
$0 stop
sleep 1
$0 start
;;
*)
echo "Usage: $0 {start|stop|restart}"
exit 1
esac

537
recipes-connectivity/tiuim/tiuim/uim.c Normal file
View File

@ -0,0 +1,537 @@
/*
* User Mode Init manager - For TI shared transport
*
* 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 <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <poll.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#include <unistd.h>
#include <time.h>
#include "uim.h"
/* Maintains the exit state of UIM*/
static int exiting;
static int line_discipline;
static int dev_fd;
static char install_sysfs_entry[48];
static char dev_name_arg[48];
static long baud_rate_arg;
static int flow_ctrl_arg;
/* BD address as string and a pointer to array of hex bytes */
char uim_bd_address[BD_ADDR_LEN];
bdaddr_t *bd_addr;
/*****************************************************************************/
#ifdef UIM_DEBUG
/* Function to Read the firmware version
* module into the system. Currently used for
* debugging purpose, whenever the baud rate is changed
*/
void read_firmware_version(int dev_fd)
{
int index = 0;
char resp_buffer[20] = { 0 };
unsigned char buffer[] = { 0x01, 0x01, 0x10, 0x00 };
UIM_START_FUNC();
UIM_VER(" wrote %d bytes", (int)write(dev_fd, buffer, 4));
UIM_VER(" reading %d bytes", (int)read(dev_fd, resp_buffer, 15));
for (index = 0; index < 15; index++)
UIM_VER(" %x ", resp_buffer[index]);
printf("\n");
}
#endif
/*****************************************************************************/
/* Function to read the HCI event from the given file descriptor
*
* This will parse the response received and returns error
* if the required response is not received
*/
int read_hci_event(int fd, unsigned char *buf, int size)
{
int remain, rd;
int count = 0;
int reading = 1;
int rd_retry_count = 0;
struct timespec tm = {0, 50*1000*1000};
UIM_START_FUNC();
UIM_VER(" read_hci_event");
if (size <= 0)
return -1;
/* The first byte identifies the packet type. For HCI event packets, it
* should be 0x04, so we read until we get to the 0x04. */
while (reading) {
rd = read(fd, buf, 1);
if (rd <= 0 && rd_retry_count++ < 4) {
nanosleep(&tm, NULL);
continue;
} else if (rd_retry_count >= 4) {
return -1;
}
if (buf[0] == RESP_PREFIX) {
break;
}
}
count++;
/* The next two bytes are the event code and parameter total length. */
while (count < 3) {
rd = read(fd, buf + count, 3 - count);
if (rd <= 0)
return -1;
count += rd;
}
/* Now we read the parameters. */
if (buf[2] < (size - 3))
remain = buf[2];
else
remain = size - 3;
while ((count - 3) < remain) {
rd = read(fd, buf + count, remain - (count - 3));
if (rd <= 0)
return -1;
count += rd;
}
return count;
}
/* Function to read the Command complete event
*
* This will read the response for the change speed
* command that was sent to configure the UART speed
* with the custom baud rate
*/
static int read_command_complete(int fd, unsigned short opcode)
{
command_complete_t resp;
UIM_START_FUNC();
UIM_VER(" Command complete started");
if (read_hci_event(fd, (unsigned char *)&resp, sizeof(resp)) < 0) {
UIM_ERR("Invalid response");
return -1;
}
/* Response should be an event packet */
if (resp.uart_prefix != HCI_EVENT_PKT) {
UIM_ERR ("Error in response: not an event packet, 0x%02x!",
resp.uart_prefix);
return -1;
}
/* Response should be a command complete event */
if (resp.hci_hdr.evt != EVT_CMD_COMPLETE) {
/* event must be event-complete */
UIM_ERR("Error in response: not a cmd-complete event,0x%02x!",
resp.hci_hdr.evt);
return -1;
}
if (resp.hci_hdr.plen < 4) {
/* plen >= 4 for EVT_CMD_COMPLETE */
UIM_ERR("Error in response: plen is not >= 4, but 0x%02x!",
resp.hci_hdr.plen);
return -1;
}
if (resp.cmd_complete.opcode != (unsigned short)opcode) {
UIM_ERR("Error in response: opcode is 0x%04x, not 0x%04x!",
resp.cmd_complete.opcode, opcode);
return -1;
}
UIM_DBG("Command complete done");
return resp.status == 0 ? 0 : -1;
}
/* Function to set the default baud rate
*
* The default baud rate of 115200 is set to the UART from the host side
* by making a call to this function.This function is also called before
* making a call to set the custom baud rate
*/
static int set_baud_rate(int dev_fd)
{
UIM_START_FUNC();
struct termios ti;
tcflush(dev_fd, TCIOFLUSH);
/* Get the attributes of UART */
if (tcgetattr(dev_fd, &ti) < 0) {
UIM_ERR(" Can't get port settings");
return -1;
}
/* Change the UART attributes before
* setting the default baud rate*/
cfmakeraw(&ti);
ti.c_cflag |= 1;
ti.c_cflag |= CRTSCTS;
/* Set the attributes of UART after making
* the above changes
*/
tcsetattr(dev_fd, TCSANOW, &ti);
/* Set the actual default baud rate */
cfsetospeed(&ti, B115200);
cfsetispeed(&ti, B115200);
tcsetattr(dev_fd, TCSANOW, &ti);
tcflush(dev_fd, TCIOFLUSH);
UIM_DBG("set_baud_rate() done");
return 0;
}
/* Function to set the UART custom baud rate.
*
* The UART baud rate has already been
* set to default value 115200 before calling this function.
* The baud rate is then changed to custom baud rate by this function*/
static int set_custom_baud_rate(int dev_fd, int baud_rate, int flow_ctrl)
{
UIM_START_FUNC();
struct termios ti;
struct termios2 ti2;
tcflush(dev_fd, TCIOFLUSH);
/* Get the attributes of UART */
if (tcgetattr(dev_fd, &ti) < 0) {
UIM_ERR(" Can't get port settings");
return -1;
}
/*Set the UART flow control */
if (flow_ctrl)
ti.c_cflag |= CRTSCTS;
else
ti.c_cflag &= ~CRTSCTS;
/*
* Set the parameters associated with the UART
* The change will occur immediately by using TCSANOW
*/
if (tcsetattr(dev_fd, TCSANOW, &ti) < 0) {
UIM_ERR(" Can't set port settings");
return -1;
}
tcflush(dev_fd, TCIOFLUSH);
/*Set the actual baud rate */
ioctl(dev_fd, TCGETS2, &ti2);
ti2.c_cflag &= ~CBAUD;
ti2.c_cflag |= BOTHER;
ti2.c_ospeed = baud_rate;
ioctl(dev_fd, TCSETS2, &ti2);
return 0;
}
/* Function to configure the UART
* on receiving a notification from the ST KIM driver to install the line
* discipline, this function does UART configuration necessary for the STK
*/
int st_uart_config(unsigned char install)
{
int ldisc, len;
uim_speed_change_cmd cmd;
char uart_dev_name[UART_DEV_NAME_LEN];
uim_bdaddr_change_cmd addr_cmd;
UIM_START_FUNC();
if (install == '1') {
dev_fd = open(dev_name_arg, O_RDWR);
if (dev_fd < 0) {
UIM_ERR("Can't open %s", uart_dev_name);
return -1;
}
/*
* Set only the default baud rate.
* This will set the baud rate to default 115200
*/
if (set_baud_rate(dev_fd) < 0) {
UIM_ERR("set_baudrate() failed");
close(dev_fd);
return -1;
}
fcntl(dev_fd, F_SETFL,fcntl(dev_fd, F_GETFL) | O_NONBLOCK);
/* Set only the custom baud rate */
if (baud_rate_arg != 115200) {
UIM_VER("Setting speed to %ld", baud_rate_arg);
/* Forming the packet for Change speed command */
cmd.uart_prefix = HCI_COMMAND_PKT;
cmd.hci_hdr.opcode = HCI_HDR_OPCODE;
cmd.hci_hdr.plen = sizeof(unsigned long);
cmd.speed = baud_rate_arg;
/* Writing the change speed command to the UART
* This will change the UART speed at the controller
* side
*/
len = write(dev_fd, &cmd, sizeof(cmd));
if (len < 0) {
UIM_ERR("Failed to write speed-set command");
close(dev_fd);
return -1;
}
/* Read the response for the Change speed command */
if (read_command_complete(dev_fd, HCI_HDR_OPCODE) < 0) {
close(dev_fd);
return -1;
}
UIM_VER("Speed changing to %ld, %d", baud_rate_arg, flow_ctrl_arg);
/* Set the actual custom baud rate at the host side */
if (set_custom_baud_rate(dev_fd, baud_rate_arg, flow_ctrl_arg) < 0) {
UIM_ERR("set_custom_baud_rate() failed");
close(dev_fd);
return -1;
}
/* Set the uim BD address */
if (uim_bd_address[0] != 0) {
memset(&addr_cmd, 0, sizeof(addr_cmd));
/* Forming the packet for change BD address command*/
addr_cmd.uart_prefix = HCI_COMMAND_PKT;
addr_cmd.hci_hdr.opcode = WRITE_BD_ADDR_OPCODE;
addr_cmd.hci_hdr.plen = sizeof(bdaddr_t);
memcpy(&addr_cmd.addr, bd_addr, sizeof(bdaddr_t));
/* Writing the change BD address command to the UART
* This will change the change BD address at the controller
* side
*/
len = write(dev_fd, &addr_cmd, sizeof(addr_cmd));
if (len < 0) {
UIM_ERR("Failed to write BD address command");
close(dev_fd);
return -1;
}
/* Read the response for the change BD address command */
if (read_command_complete(dev_fd, WRITE_BD_ADDR_OPCODE) < 0) {
close(dev_fd);
return -1;
}
UIM_VER("BD address changed to %s", uim_bd_address);
}
#ifdef UIM_DEBUG
read_firmware_version(dev_fd);
#endif
}
/* After the UART speed has been changed, the IOCTL is
* is called to set the line discipline to N_TI_WL
*/
ldisc = N_TI_WL;
if (ioctl(dev_fd, TIOCSETD, &ldisc) < 0) {
UIM_ERR(" Can't set line discipline");
close(dev_fd);
return -1;
}
UIM_DBG("Installed N_TI_WL Line displine");
}
else {
UIM_DBG("Un-Installed N_TI_WL Line displine");
/* UNINSTALL_N_TI_WL - When the Signal is received from KIM */
/* closing UART fd */
close(dev_fd);
}
return 0;
}
/* Function to convert the BD address from ascii to hex value */
bdaddr_t *strtoba(const char *str)
{
const char *ptr = str;
int i;
uint8_t *ba = malloc(sizeof(bdaddr_t));
if (!ba)
return NULL;
for (i = 0; i < 6; i++) {
ba[i] = (uint8_t) strtol(ptr, NULL, 16);
if (i != 5 && !(ptr = strchr(ptr, ':')))
ptr = ":00:00:00:00:00";
ptr++;
}
return (bdaddr_t *) ba;
}
void usage(void)
{
UIM_ERR("Invalid arguments");
UIM_ERR("Usage: uim [ -f <path-to-sysfs-kim> ] [ -b <bd address XX:XX:XX:XX:XX:XX> ] [ -sdc ]"
" options:"
" -s speed (baudrate)"
" -d the uart device"
" -c if flow control should be used");
}
/*****************************************************************************/
int main(int argc, char *argv[])
{
int opt;
char *arg_kim_path = NULL, *arg_bd_addr = NULL, *temp_path = KIM_SYSFS_BASE;
int st_fd, err;
unsigned char install;
struct pollfd p;
UIM_START_FUNC();
err = 0;
/* Parse the user input */
while ((opt = getopt (argc, argv, "f:b:s:d:c")) != -1) {
switch (opt) {
case 'f':
arg_kim_path = optarg;
break;
case 'b':
arg_bd_addr = optarg;
break;
case 's':
baud_rate_arg = atoi(optarg);
break;
case 'd':
strncpy(dev_name_arg, optarg, sizeof(dev_name_arg));
break;
case 'c':
flow_ctrl_arg = 1;
break;
default:
usage();
return -1;
}
}
if (arg_kim_path != NULL) {
temp_path = arg_kim_path;
if( strlen(temp_path) > (sizeof(install_sysfs_entry)-10) ) {
UIM_ERR("Path to sysfs node too long");
return -1;
}
}
strcpy(install_sysfs_entry, temp_path);
strcat(install_sysfs_entry, "/install");
UIM_DBG("install = %s", install_sysfs_entry);
if (arg_bd_addr != NULL) {
if (strlen(arg_bd_addr) != BD_ADDR_LEN) {
usage();
return -1;
}
UIM_DBG("Address = %s", arg_bd_addr);
/* BD address passed as string in xx:xx:xx:xx:xx:xx format */
strncpy(uim_bd_address, arg_bd_addr, sizeof(uim_bd_address));
bd_addr = strtoba(uim_bd_address);
}
line_discipline = N_TI_WL;
st_fd = open(INSTALL_SYSFS_ENTRY, O_RDONLY);
if (st_fd < 0) {
UIM_DBG("unable to open %s(%s)", INSTALL_SYSFS_ENTRY, strerror(errno));
return -1;
}
RE_POLL:
/* read to start proper poll */
err = read(st_fd, &install, 1);
/* special case where bluetoothd starts before the UIM, and UIM
* needs to turn on bluetooth because of that.
*/
if ((err > 0) && install == '1') {
UIM_DBG("install set previously...");
st_uart_config(install);
}
UIM_DBG("begin polling...");
memset(&p, 0, sizeof(p));
p.fd = st_fd;
p.events = POLLERR | POLLPRI;
while (!exiting) {
p.revents = 0;
err = poll(&p, 1, -1);
UIM_DBG("poll broke due to event %d(PRI:%d/ERR:%d)\n", p.revents, POLLPRI, POLLERR);
if (err < 0 && errno == EINTR)
continue;
if (err)
break;
}
close(st_fd);
st_fd = open(INSTALL_SYSFS_ENTRY, O_RDONLY);
if (st_fd < 0) {
UIM_DBG("unable to open %s (%s)", INSTALL_SYSFS_ENTRY, strerror(errno));
return -1;
}
if (!exiting)
{
err = read(st_fd, &install, 1);
UIM_DBG("read %c from install \n", install);
if (err > 0)
st_uart_config(install);
goto RE_POLL;
}
close(st_fd);
return 0;
}

156
recipes-connectivity/tiuim/tiuim/uim.h Normal file
View File

@ -0,0 +1,156 @@
/*
* User Mode Init manager - For shared transport
*
* 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 UIM_H
#define UIM_H
/* the line discipline ideally should be coming
* from tty.h
*/
#define N_TI_WL 22
/* Paramaters to set the baud rate*/
#define FLOW_CTL 0x0001
#define BOTHER 0x00001000
#define ARM_NCCS 19
#ifndef TCGETS2
#define TCGETS2 _IOR('T',0x2A, struct termios2)
#endif
#ifndef TCSETS2
#define TCSETS2 _IOW('T',0x2B, struct termios2)
#endif
/*HCI Command and Event information*/
#define HCI_HDR_OPCODE 0xff36
#define WRITE_BD_ADDR_OPCODE 0xFC06
#define RESP_PREFIX 0x04
#define MAX_TRY 10
/* HCI Packet types */
#define HCI_COMMAND_PKT 0x01
#define HCI_EVENT_PKT 0x04
/* HCI command macros*/
#define HCI_EVENT_HDR_SIZE 2
#define HCI_COMMAND_HDR_SIZE 3
#define HCI_COMMAND_HDR_SIZE 3
/* HCI event macros*/
#define EVT_CMD_COMPLETE_SIZE 3
#define EVT_CMD_STATUS_SIZE 4
#define EVT_CMD_COMPLETE 0x0E
#define EVT_CMD_STATUS 0x0F
/* use it for string lengths and buffers */
#define UART_DEV_NAME_LEN 32
/* BD address length in format xx:xx:xx:xx:xx:xx */
#define BD_ADDR_LEN 17
/* the sysfs entries with device configuration set by
* shared transport driver
*/
#define KIM_SYSFS_BASE "/sys/devices/platform/kim"
#define INSTALL_SYSFS_ENTRY install_sysfs_entry
#define DEV_NAME_SYSFS dev_name_sysfs
#define BAUD_RATE_SYSFS baud_rate_sysfs
#define FLOW_CTRL_SYSFS flow_cntrl_sysfs
#define VERBOSE
/*Debug logs*/
#define UIM_ERR(fmt, arg...) printf("uim:"fmt"\n" , ##arg)
#if defined(UIM_DEBUG) /* limited debug messages */
#define UIM_START_FUNC() printf("uim: Inside %s", __FUNCTION__)
#define UIM_DBG(fmt, arg...) printf("uim:"fmt"\n" , ## arg)
#define UIM_VER(fmt, arg...)
#elif defined(VERBOSE) /* very verbose */
#define UIM_START_FUNC() printf("uim:@ %s\n", __FUNCTION__)
#define UIM_DBG(fmt, arg...) printf("uim:"fmt"\n" , ## arg)
#define UIM_VER(fmt, arg...) printf("uim:"fmt"\n" , ## arg)
#else /* error msgs only */
#define UIM_START_FUNC()
#define UIM_DBG(fmt, arg...)
#define UIM_VER(fmt, arg...)
#endif
/*Termios2 structure for setting the Custom baud rate*/
struct termios2 {
tcflag_t c_iflag; /* input mode flags */
tcflag_t c_oflag; /* output mode flags */
tcflag_t c_cflag; /* control mode flags */
tcflag_t c_lflag; /* local mode flags */
cc_t c_line; /* line discipline */
cc_t c_cc[ARM_NCCS]; /* control characters */
speed_t c_ispeed; /* input speed */
speed_t c_ospeed; /* output speed */
};
/* HCI command header*/
typedef struct {
uint16_t opcode; /* OCF & OGF */
uint8_t plen;
} __attribute__ ((packed)) hci_command_hdr;
/* HCI event header*/
typedef struct {
uint8_t evt;
uint8_t plen;
} __attribute__ ((packed)) hci_event_hdr;
/* HCI command complete event*/
typedef struct {
uint8_t ncmd;
uint16_t opcode;
} __attribute__ ((packed)) evt_cmd_complete;
/* HCI event status*/
typedef struct {
uint8_t status;
uint8_t ncmd;
uint16_t opcode;
} __attribute__ ((packed)) evt_cmd_status;
/* HCI Event structure to set the cusrom baud rate*/
typedef struct {
uint8_t uart_prefix;
hci_event_hdr hci_hdr;
evt_cmd_complete cmd_complete;
uint8_t status;
uint8_t data[16];
} __attribute__ ((packed)) command_complete_t;
/* HCI Command structure to set the cusrom baud rate*/
typedef struct {
uint8_t uart_prefix;
hci_command_hdr hci_hdr;
uint32_t speed;
} __attribute__ ((packed)) uim_speed_change_cmd;
/* BD address structure to set the uim BD address*/
typedef struct {
unsigned char b[6];
} __attribute__((packed)) bdaddr_t;
/* HCI Command structure to set the uim BD address*/
typedef struct {
uint8_t uart_prefix;
hci_command_hdr hci_hdr;
bdaddr_t addr;
} __attribute__ ((packed)) uim_bdaddr_change_cmd;\
#endif /* UIM_H */

24
recipes-connectivity/tiuim/tiuim_1.0.bb Normal file
View File

@ -0,0 +1,24 @@
SUMMARY = "User Mode Init manager for TI shared transport"
DESCRIPTION = "Userpace utility to initialize"
AUTHOR = "Texas Instruments"
SECTION = "connectivity"
LICENSE = "GPLv2+"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/GPL-2.0;md5=801f80980d171dd6425610833a22dbe6"
PR = "r0"
SRC_URI = " \
file://uim.c \
file://uim.h \
"
S = "${WORKDIR}"
do_compile() {
${CC} uim.c -o uim
}
do_install () {
install -d ${D}${bindir}
install -m 0755 uim ${D}${bindir}
}