From a3be5a335e0d9c62bea782bdd5a08d99acb74292 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Wed, 23 Dec 2015 16:03:19 +0100
Subject: [PATCH] h4 wiced: check CTS before sending with manual control

---
 port/wiced/hci_transport_h4_wiced.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/port/wiced/hci_transport_h4_wiced.c b/port/wiced/hci_transport_h4_wiced.c
index 4f0e27b3c..d955fc31f 100644
--- a/port/wiced/hci_transport_h4_wiced.c
+++ b/port/wiced/hci_transport_h4_wiced.c
@@ -165,6 +165,13 @@ static wiced_result_t h4_rx_worker_receive_packet(void * arg){
 
 // executed on tx worker thread
 static wiced_result_t h4_tx_worker_send_packet(void * arg){
+#ifdef WICED_BT_UART_MANUAL_CTS_RTS
+    while (platform_gpio_input_get(wiced_bt_uart_pins[WICED_BT_PIN_UART_CTS]) == WICED_TRUE){
+        printf(".");
+        wiced_rtos_delay_milliseconds(10);
+    }
+    printf("\n");
+#endif
     // blocking send
     platform_uart_transmit_bytes(wiced_bt_uart_driver, tx_worker_data_buffer, tx_worker_data_size);
     // let stack know