Merge pull request #13224 from fjmolinas/pr_xbee_cts_reset

drivers/xbee: disable CTS/RTS pin unless periph_uart_hw_fc is used
RIOT-OS · Apr 24, 2020 · e7a1b40 · e7a1b40
2 parents 268152b + 922b35d
commit e7a1b40
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/drivers/xbee/xbee.c b/drivers/xbee/xbee.c
@@ -599,6 +599,14 @@ int xbee_init(netdev_t *dev)
     _at_cmd(xbee, "ATMM2\r");
     /* put XBee module in "API mode without escaped characters" */
     _at_cmd(xbee, "ATAP1\r");
+    /* disable xbee CTS and RTS, unless hardware flow control is used */
+    if(!IS_USED(MODULE_PERIPH_UART_HW_FC)) {
+        DEBUG("[xbee] init: WARNING if using an arduino BOARD + arduino xbee " \
+            "shield with ICSP connector, hardware flow control can't be " \
+            "used since CTS pin is connected to ICSP RESET pin\n");
+        _at_cmd(xbee, "ATD6 0\r");
+        _at_cmd(xbee, "ATD7 0\r");
+    }
     /* apply AT commands */
     _at_cmd(xbee, "ATAC\r");
     /* exit command mode */