From 48231efb20432509a7049cff8becc31d8dfc462a Mon Sep 17 00:00:00 2001
From: Dylan Laduranty <dylan.laduranty@mesotic.com>
Date: Tue, 10 Mar 2020 14:19:53 +0100
Subject: [PATCH] boards/cc26xx_cc13xx: use generic hw fc module

---
 boards/cc1312-launchpad/include/periph_conf.h |  7 ++--
 boards/cc1352-launchpad/include/periph_conf.h | 33 +++++++++++--------
 boards/cc2650-launchpad/include/periph_conf.h | 24 +++++++-------
 boards/cc2650stk/include/periph_conf.h        | 19 ++++++-----
 4 files changed, 47 insertions(+), 36 deletions(-)

diff --git a/boards/cc1312-launchpad/include/periph_conf.h b/boards/cc1312-launchpad/include/periph_conf.h
index 081dfbd3a8..0bd76b1da7 100644
--- a/boards/cc1312-launchpad/include/periph_conf.h
+++ b/boards/cc1312-launchpad/include/periph_conf.h
@@ -85,9 +85,10 @@ static const uart_conf_t uart_config[] = {
      .regs = UART0,
      .tx_pin = 3,
      .rx_pin = 2,
-     .rts_pin = 18,      /* ignored when flow_control is 0 */
-     .cts_pin = 19,      /* ignored when flow_control is 0 */
-     .flow_control = 0,
+#ifdef MODULE_PERIPH_UART_HW_FC
+     .rts_pin = 18,
+     .cts_pin = 19,
+#endif
      .intn = UART0_IRQN
  }
 };
diff --git a/boards/cc1352-launchpad/include/periph_conf.h b/boards/cc1352-launchpad/include/periph_conf.h
index b4f5c82b80..fa378737ba 100644
--- a/boards/cc1352-launchpad/include/periph_conf.h
+++ b/boards/cc1352-launchpad/include/periph_conf.h
@@ -71,23 +71,30 @@ static const timer_conf_t timer_config[] = {
 * The TI CC1352 LaunchPad board only has access to a single UART device through
 * the debugger, so all we need to configure are the RX and TX pins.
 *
-* Optionally we can enable hardware flow control, by setting UART_HW_FLOW_CTRL
-* to 1 and defining pins for cts_pin and rts_pin.
-*
-* Add a second UART configuration if using external pins.
+* Optionally we can enable hardware flow control, by using periph_uart_hw_fc
+* module (USEMODULE += periph_uart_hw_fc) and defining pins for cts_pin and
+* rts_pin.
 * @{
 */
+/**
+ * @name    UART configuration
+ *
+ *
+ * Add a second UART configuration if using external pins.
+ * @{
+ */
 
 static const uart_conf_t uart_config[] = {
- {
-     .regs = UART0,
-     .tx_pin = 13,
-     .rx_pin = 12,
-     .rts_pin = 0,      /* ignored when flow_control is 0 */
-     .cts_pin = 0,      /* ignored when flow_control is 0 */
-     .flow_control = 0,
-     .intn = UART0_IRQN
- }
+    {
+        .regs = UART0,
+        .tx_pin = 13,
+        .rx_pin = 12,
+#ifdef MODULE_PERIPH_UART_HW_FC
+        .rts_pin = GPIO_UNDEF,
+        .cts_pin = GPIO_UNDEF,
+#endif
+        .intn = UART0_IRQN
+    }
 };
 #define UART_NUMOF          ARRAY_SIZE(uart_config)
 /** @} */
diff --git a/boards/cc2650-launchpad/include/periph_conf.h b/boards/cc2650-launchpad/include/periph_conf.h
index 861f30317c..dc8d2d48d4 100644
--- a/boards/cc2650-launchpad/include/periph_conf.h
+++ b/boards/cc2650-launchpad/include/periph_conf.h
@@ -71,21 +71,23 @@ static const timer_conf_t timer_config[] = {
 * The used CC26x0 CPU only supports a single UART device, so all we need to
 * configure are the RX and TX pins.
 *
-* Optionally we can enable hardware flow control, by setting flow_control
-* to 1 and defining pins for cts_pin and rts_pin.
+* Optionally we can enable hardware flow control, by using periph_uart_hw_fc
+* module (USEMODULE += periph_uart_hw_fc) and defining pins for cts_pin and
+* rts_pin.
 * @{
 */
 
 static const uart_conf_t uart_config[] = {
- {
-     .regs = UART0,
-     .tx_pin = 3,
-     .rx_pin = 2,
-     .rts_pin = 0,      /* ignored when flow_control is 0 */
-     .cts_pin = 0,      /* ignored when flow_control is 0 */
-     .flow_control = 0,
-     .intn = UART0_IRQN
- }
+    {
+        .regs = UART0,
+        .tx_pin = 3,
+        .rx_pin = 2,
+#ifdef MODULE_PERIPH_UART_HW_FC
+        .rts_pin = GPIO_UNDEF,
+        .cts_pin = GPIO_UNDEF,
+#endif
+        .intn = UART0_IRQN
+    }
 };
 #define UART_NUMOF          ARRAY_SIZE(uart_config)
 /** @} */
diff --git a/boards/cc2650stk/include/periph_conf.h b/boards/cc2650stk/include/periph_conf.h
index fcf4bdc2f4..9d0625be5e 100644
--- a/boards/cc2650stk/include/periph_conf.h
+++ b/boards/cc2650stk/include/periph_conf.h
@@ -75,15 +75,16 @@ static const timer_conf_t timer_config[] = {
  */
 
 static const uart_conf_t uart_config[] = {
- {
-     .regs = UART0,
-     .tx_pin = 29,
-     .rx_pin = 28,
-     .rts_pin = 0,      /* ignored when flow_control is 0 */
-     .cts_pin = 0,      /* ignored when flow_control is 0 */
-     .flow_control = 0,
-     .intn = UART0_IRQN
- }
+    {
+        .regs = UART0,
+        .tx_pin = 29,
+        .rx_pin = 28,
+#ifdef MODULE_PERIPH_UART_HW_FC
+        .rts_pin = GPIO_UNDEF,
+        .cts_pin = GPIO_UNDEF,
+#endif
+        .intn = UART0_IRQN
+    }
 };
 #define UART_NUMOF          ARRAY_SIZE(uart_config)
 /** @} */