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zephyr-hci-uart-3wire
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Adds separate queue and thread to deprioritize event data

This commit is contained in:
Shawn Nock 2019-07-30 12:38:10 -04:00
parent 36138b56fb
commit 503047e171
1 changed files with 30 additions and 4 deletions
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32
src/main.c
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@ -64,6 +64,9 @@ static struct k_thread tx_thread_data;
static K_THREAD_STACK_DEFINE(unproc_stack, 4096);
static struct k_thread unproc_thread_data;
static K_THREAD_STACK_DEFINE(event_stack, 4096);
static struct k_thread event_thread_data;
static struct k_delayed_work ack_work;
static struct k_delayed_work retx_work;
@ -122,6 +125,7 @@ static struct h5 {
struct k_fifo host_queue;
struct k_fifo unack_queue;
struct k_fifo unprocessed_queue;
struct k_fifo event_queue;
u8_t tx_win;
u8_t tx_ack;
@ -656,6 +660,19 @@ static void tx_thread(void)
}
}
static void event_thread(void) {
static struct net_buf *buf = NULL;
while (true) {
buf = net_buf_get(&h5.event_queue, K_MSEC(1000));
if (!buf) {
LOG_WRN("host_queue is empty");
continue;
}
net_buf_put(&h5.host_queue, buf);
net_buf_unref(buf);
}
}
static void h5_init(void)
{
LOG_DBG("h5_init");
@ -669,7 +686,7 @@ static void h5_init(void)
k_thread_create(&tx_thread_data, tx_stack,
K_THREAD_STACK_SIZEOF(tx_stack),
(k_thread_entry_t)tx_thread, NULL, NULL, NULL,
K_PRIO_COOP(CONFIG_BT_HCI_TX_PRIO),
K_PRIO_PREEMPT(1),
0, K_NO_WAIT);
k_fifo_init(&h5.host_queue);
@ -687,9 +704,18 @@ static void h5_init(void)
k_thread_create(&unproc_thread_data, unproc_stack,
K_THREAD_STACK_SIZEOF(unproc_stack),
(k_thread_entry_t)unproc_thread, NULL, NULL, NULL,
K_PRIO_COOP(CONFIG_BT_RX_PRIO),
K_PRIO_PREEMPT(1),
0, K_NO_WAIT);
/* Thread handles incoming events from BT Controller */
k_fifo_init(&h5.event_queue);
k_thread_create(&event_thread_data, event_stack,
K_THREAD_STACK_SIZEOF(event_stack),
(k_thread_entry_t)event_thread, NULL, NULL, NULL,
K_PRIO_PREEMPT(2),
0, K_NO_WAIT);
/* Init delayed work */
k_delayed_work_init(&ack_work, ack_timeout);
k_delayed_work_init(&retx_work, retx_timeout);
@ -911,7 +937,7 @@ void main(void)
LOG_DBG("Start");
gpio_init();
// Adds controller output to host output queue
bt_enable_raw(&h5.host_queue);
bt_enable_raw(&h5.event_queue);
struct net_buf *buf = NULL;
h5_init();