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authorKhurshid <beenish.khurshid@thisisant.com>2013-09-27 10:27:48 -0600
committerKhurshid <beenish.khurshid@thisisant.com>2013-09-27 10:27:48 -0600
commite1e6966c77655c64f089c5b4a3c49912e39f8257 (patch)
tree1d88f4a36f2599587264e98f61f3fa8c85ebf60f
parentd4107eca65ac525fd7f8d9e43f3a545f8a6e2008 (diff)
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Android_System_ANT-HAL_1-6-1
-rw-r--r--src/bluez_hci/ant_native_hci.c1
-rw-r--r--src/common/inc/ant_version.h2
-rw-r--r--src/vfs/ant_rx_chardev.c56
3 files changed, 46 insertions, 13 deletions
diff --git a/src/bluez_hci/ant_native_hci.c b/src/bluez_hci/ant_native_hci.c
index c2c453f..55cde44 100644
--- a/src/bluez_hci/ant_native_hci.c
+++ b/src/bluez_hci/ant_native_hci.c
@@ -798,6 +798,7 @@ ANTStatus ant_tx_message(ANT_U8 ucLen, ANT_U8 *pucMesg)
{
if(currentTime < endTime)
{
+ nanosleep((struct timespec[]){{0, 50000000}}, NULL);
ANT_DEBUG_V("Retrying. Current time = %d. "
"End time = %d", (int)currentTime, (int)endTime);
diff --git a/src/common/inc/ant_version.h b/src/common/inc/ant_version.h
index a682134..0b8988b 100644
--- a/src/common/inc/ant_version.h
+++ b/src/common/inc/ant_version.h
@@ -21,7 +21,7 @@
#define LIBANT_STACK_MAJOR "1"
#define LIBANT_STACK_MINOR "6"
-#define LIBANT_STACK_INCRE "0"
+#define LIBANT_STACK_INCRE "1"
#endif // __ANT_VERSION_H
diff --git a/src/vfs/ant_rx_chardev.c b/src/vfs/ant_rx_chardev.c
index 2f0cc33..b38757f 100644
--- a/src/vfs/ant_rx_chardev.c
+++ b/src/vfs/ant_rx_chardev.c
@@ -53,9 +53,33 @@ static ANT_U8 aucRxBuffer[NUM_ANT_CHANNELS][ANT_HCI_MAX_MSG_SIZE];
static int iRxBufferLength[NUM_ANT_CHANNELS] = {0, 0};
#endif //
+// Defines for use with the poll() call
+#define EVENT_DATA_AVAILABLE (POLLIN|POLLRDNORM)
+#define EVENT_DISABLE (POLLHUP)
+#define EVENT_HARD_RESET (POLLERR|POLLPRI|POLLRDHUP)
+
+#define EVENTS_TO_LISTEN_FOR (EVENT_DATA_AVAILABLE|EVENT_DISABLE|EVENT_HARD_RESET)
+
int readChannelMsg(ant_channel_type eChannel, ant_channel_info_t *pstChnlInfo);
/*
+ * Function to check that all given flags are set in a particular value.
+ * Designed for use with the revents field of pollfds filled out by poll().
+ *
+ * Parameters:
+ * - value: The value that will be checked to contain all flags.
+ * - flags: Bitwise-or of the flags that value should be checked for.
+ *
+ * Returns:
+ * - true IFF all the bits that are set in 'flags' are also set in 'value'
+ */
+ANT_BOOL areAllFlagsSet(short value, short flags)
+{
+ value &= flags;
+ return (value == flags);
+}
+
+/*
* This thread waits for ANT messages from a VFS file.
*/
void *fnRxThread(void *ant_rx_thread_info)
@@ -70,7 +94,7 @@ void *fnRxThread(void *ant_rx_thread_info)
stRxThreadInfo = (ant_rx_thread_info_t *)ant_rx_thread_info;
for (eChannel = 0; eChannel < NUM_ANT_CHANNELS; eChannel++) {
astPollFd[eChannel].fd = stRxThreadInfo->astChannels[eChannel].iFd;
- astPollFd[eChannel].events = POLLIN | POLLRDNORM;
+ astPollFd[eChannel].events = EVENTS_TO_LISTEN_FOR;
}
/* continue running as long as not terminated */
@@ -83,7 +107,7 @@ void *fnRxThread(void *ant_rx_thread_info)
ANT_ERROR("read thread exiting, unhandled error: %s", strerror(errno));
} else {
for (eChannel = 0; eChannel < NUM_ANT_CHANNELS; eChannel++) {
- if (astPollFd[eChannel].revents & (POLLERR | POLLPRI | POLLRDHUP)) {
+ if (areAllFlagsSet(astPollFd[eChannel].revents, EVENT_HARD_RESET)) {
ANT_ERROR("poll error from %s. exiting rx thread",
stRxThreadInfo->astChannels[eChannel].pcDevicePath);
/* Chip was reset or other error, only way to recover is to
@@ -95,12 +119,21 @@ void *fnRxThread(void *ant_rx_thread_info)
}
goto reset;
- } else if (astPollFd[eChannel].revents & (POLLIN | POLLRDNORM)) {
+ } else if (areAllFlagsSet(astPollFd[eChannel].revents, EVENT_DISABLE)) {
+ /* chip reported it was disabled, either unexpectedly or due to us closing the file */
+ ANT_DEBUG_D(
+ "poll hang-up from %s. exiting rx thread", stRxThreadInfo->astChannels[eChannel].pcDevicePath);
+
+ // set flag to exit out of Rx Loop
+ stRxThreadInfo->ucRunThread = 0;
+
+ } else if (areAllFlagsSet(astPollFd[eChannel].revents, EVENT_DATA_AVAILABLE)) {
ANT_DEBUG_D("data on %s. reading it",
stRxThreadInfo->astChannels[eChannel].pcDevicePath);
if (readChannelMsg(eChannel, &stRxThreadInfo->astChannels[eChannel]) < 0) {
- goto out;
+ // set flag to exit out of Rx Loop
+ stRxThreadInfo->ucRunThread = 0;
}
} else if (astPollFd[eChannel].revents) {
ANT_DEBUG_W("unhandled poll result %#x from %s",
@@ -111,19 +144,18 @@ void *fnRxThread(void *ant_rx_thread_info)
}
}
-out:
- stRxThreadInfo->ucRunThread = 0;
-
- /* Try to get stEnabledStatusLock.
- * if you get it then noone is enabling or disabling
- * if you can't get it assume something made you exit */
+ /* disable ANT radio if not already disabling */
+ // Try to get stEnabledStatusLock.
+ // if you get it then no one is enabling or disabling
+ // if you can't get it assume something made you exit
ANT_DEBUG_V("try getting stEnabledStatusLock in %s", __FUNCTION__);
iMutexLockResult = pthread_mutex_trylock(stRxThreadInfo->pstEnabledStatusLock);
if (!iMutexLockResult) {
ANT_DEBUG_V("got stEnabledStatusLock in %s", __FUNCTION__);
ANT_WARN("rx thread has unexpectedly crashed, cleaning up");
- stRxThreadInfo->stRxThread = 0; /* spoof our handle as closed so we don't
- * try to join ourselves in disable */
+
+ // spoof our handle as closed so we don't try to join ourselves in disable
+ stRxThreadInfo->stRxThread = 0;
if (g_fnStateCallback) {
g_fnStateCallback(RADIO_STATUS_DISABLING);