From 280aaa7b1db38c7c1e39c8fa39e114b44931a45f Mon Sep 17 00:00:00 2001
From: AuroraRAS <chplee@gmail.com>
Date: Sat, 22 Oct 2022 04:34:43 +0800
Subject: [PATCH] Implement Interface method for ESP32C3: go_setpintype

Signed-off-by: AuroraRAS <chplee@gmail.com>
---
 .../esp32c3/esp32c3-devkit/src/esp32c3_gpio.c | 80 +++++++++++++++++++
 1 file changed, 80 insertions(+)

diff --git a/boards/risc-v/esp32c3/esp32c3-devkit/src/esp32c3_gpio.c b/boards/risc-v/esp32c3/esp32c3-devkit/src/esp32c3_gpio.c
index 13576e6f1f..47dc465a83 100644
--- a/boards/risc-v/esp32c3/esp32c3-devkit/src/esp32c3_gpio.c
+++ b/boards/risc-v/esp32c3/esp32c3-devkit/src/esp32c3_gpio.c
@@ -84,6 +84,8 @@ struct esp32c3gpint_dev_s
 #if BOARD_NGPIOOUT > 0
 static int gpout_read(struct gpio_dev_s *dev, bool *value);
 static int gpout_write(struct gpio_dev_s *dev, bool value);
+static int gpout_setpintype(FAR struct gpio_dev_s *dev,
+                            enum gpio_pintype_e pintype);
 #endif
 
 #if BOARD_NGPIOINT > 0
@@ -91,6 +93,8 @@ static int gpint_read(struct gpio_dev_s *dev, bool *value);
 static int gpint_attach(struct gpio_dev_s *dev,
                         pin_interrupt_t callback);
 static int gpint_enable(struct gpio_dev_s *dev, bool enable);
+static int gpint_setpintype(FAR struct gpio_dev_s *dev,
+                            enum gpio_pintype_e pintype);
 #endif
 
 /****************************************************************************
@@ -104,6 +108,7 @@ static const struct gpio_operations_s gpout_ops =
   .go_write  = gpout_write,
   .go_attach = NULL,
   .go_enable = NULL,
+  .go_setpintype = gpout_setpintype,
 };
 
 /* This array maps the GPIO pins used as OUTPUT */
@@ -123,6 +128,7 @@ static const struct gpio_operations_s gpint_ops =
   .go_write  = NULL,
   .go_attach = gpint_attach,
   .go_enable = gpint_enable,
+  .go_setpintype = gpint_setpintype,
 };
 
 /* This array maps the GPIO pins used as INTERRUPT INPUTS */
@@ -173,6 +179,49 @@ static int gpout_write(struct gpio_dev_s *dev, bool value)
   esp32c3_gpiowrite(g_gpiooutputs[esp32c3gpio->id], value);
   return OK;
 }
+
+/****************************************************************************
+ * Name: gpout_setpintype
+ ****************************************************************************/
+
+static int gpout_setpintype(FAR struct gpio_dev_s *dev,
+                            enum gpio_pintype_e pintype)
+{
+  struct esp32c3gpio_dev_s *esp32c3gpio =
+    (struct esp32c3gpio_dev_s *)dev;
+
+  DEBUGASSERT(esp32c3gpio != NULL);
+  DEBUGASSERT(esp32c3gpio->id < BOARD_NGPIOOUT);
+  gpioinfo("Setting pintype: %d\n", (int)pintype);
+
+  esp32c3_gpio_matrix_out(g_gpiooutputs[esp32c3gpio->id],
+                        SIG_GPIO_OUT_IDX, 0, 0);
+
+  switch (pintype)
+  {
+  case GPIO_INPUT_PIN:
+    esp32c3_configgpio(g_gpiooutputs[esp32c3gpio->id], INPUT);
+    break;
+  case GPIO_INPUT_PIN_PULLUP:
+    esp32c3_configgpio(g_gpiooutputs[esp32c3gpio->id], INPUT_PULLUP);
+    break;
+  case GPIO_INPUT_PIN_PULLDOWN:
+    esp32c3_configgpio(g_gpiooutputs[esp32c3gpio->id], INPUT_PULLDOWN);
+    break;
+  case GPIO_OUTPUT_PIN:
+    esp32c3_configgpio(g_gpiooutputs[esp32c3gpio->id], INPUT | OUTPUT);
+    break;
+  case GPIO_OUTPUT_PIN_OPENDRAIN:
+    esp32c3_configgpio(g_gpiooutputs[esp32c3gpio->id], INPUT |
+                     OUTPUT_OPEN_DRAIN);
+    break;
+  default:
+    return ERROR;
+    break;
+  }
+
+  return OK;
+}
 #endif
 
 /****************************************************************************
@@ -270,6 +319,37 @@ static int gpint_enable(struct gpio_dev_s *dev, bool enable)
 
   return OK;
 }
+
+/****************************************************************************
+ * Name: gpint_setpintype
+ ****************************************************************************/
+
+static int gpint_setpintype(FAR struct gpio_dev_s *dev,
+                            enum gpio_pintype_e pintype)
+{
+  struct esp32c3gpint_dev_s *esp32c3gpint =
+    (struct esp32c3gpint_dev_s *)dev;
+
+  DEBUGASSERT(esp32c3gpint != NULL);
+  DEBUGASSERT(esp32c3gpint->esp32c3gpio.id < BOARD_NGPIOINT);
+  gpioinfo("Setting pintype: %d\n", (int)pintype);
+  switch (pintype)
+  {
+  case GPIO_INTERRUPT_HIGH_PIN:
+    esp32c3_configgpio(g_gpiointinputs[esp32c3gpint->esp32c3gpio.id],
+                     INPUT_PULLUP);
+    break;
+  case GPIO_INTERRUPT_LOW_PIN:
+    esp32c3_configgpio(g_gpiointinputs[esp32c3gpint->esp32c3gpio.id],
+                     INPUT_PULLDOWN);
+    break;
+  default:
+    return ERROR;
+    break;
+  }
+
+  return OK;
+}
 #endif
 
 /****************************************************************************