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From c4b8eca95c37d728c39c57811d975c50900605fd Mon Sep 17 00:00:00 2001
From: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Date: Tue, 31 May 2016 19:50:27 +0300
Subject: [PATCH] fix poll restart after fail
also add some delay before starting speaking with BT
Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
---
uim.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/uim.c b/uim.c
index 6bde5ca..89bafd8 100644
--- a/uim.c
+++ b/uim.c
@@ -286,6 +286,8 @@ int st_uart_config(unsigned char install)
UIM_START_FUNC();
+ usleep(100 * 1000);
+
if (install == '1') {
memset(buf, 0, UART_DEV_NAME_LEN);
fd = open(DEV_NAME_SYSFS, O_RDONLY);
@@ -375,6 +377,7 @@ int st_uart_config(unsigned char install)
/* Read the response for the Change speed command */
if (read_command_complete(dev_fd, HCI_HDR_OPCODE) < 0) {
+ tcflush(dev_fd, TCIOFLUSH);
close(dev_fd);
return -1;
}
@@ -534,7 +537,6 @@ int main(int argc, char *argv[])
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
@@ -547,6 +549,7 @@ RE_POLL:
UIM_DBG("begin polling...");
+RE_POLL:
memset(&p, 0, sizeof(p));
p.fd = st_fd;
p.events = POLLERR | POLLPRI;
--
1.7.10.4
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