From 1695b11c0e5b12ed930b00f791fe397e4362eeb9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B9=94=E4=BF=8A=E8=B6=85?= <958092084@qq.com>
Date: Tue, 14 Dec 2021 21:46:45 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0gpio=E7=BF=BB=E8=BD=AC?=
 =?UTF-8?q?=E5=87=BD=E6=95=B0?=
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---
 libraries/drivers/inc/at32f403a_407_gpio.h |  1 +
 libraries/drivers/src/at32f403a_407_gpio.c | 34 ++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/libraries/drivers/inc/at32f403a_407_gpio.h b/libraries/drivers/inc/at32f403a_407_gpio.h
index 01d460c9..447f30a8 100644
--- a/libraries/drivers/inc/at32f403a_407_gpio.h
+++ b/libraries/drivers/inc/at32f403a_407_gpio.h
@@ -913,6 +913,7 @@ flag_status gpio_output_data_bit_read(gpio_type *gpio_x, uint16_t pins);
 uint16_t gpio_output_data_read(gpio_type *gpio_x);
 void gpio_bits_set(gpio_type *gpio_x, uint16_t pins);
 void gpio_bits_reset(gpio_type *gpio_x, uint16_t pins);
+void gpio_bits_toggle(gpio_type *gpio_x, uint16_t pins);
 void gpio_bits_write(gpio_type *gpio_x, uint16_t pins, confirm_state bit_state);
 void gpio_port_wirte(gpio_type *gpio_x, uint16_t port_value);
 void gpio_pin_wp_config(gpio_type *gpio_x, uint16_t pins);
diff --git a/libraries/drivers/src/at32f403a_407_gpio.c b/libraries/drivers/src/at32f403a_407_gpio.c
index 5aca62fb..b8215820 100644
--- a/libraries/drivers/src/at32f403a_407_gpio.c
+++ b/libraries/drivers/src/at32f403a_407_gpio.c
@@ -343,6 +343,40 @@ void gpio_bits_reset(gpio_type *gpio_x, uint16_t pins)
   gpio_x->clr = pins;
 }
 
+/**
+  * @brief  toggle the selected data port bits.
+  * @param  gpio_x: to select the gpio peripheral.
+  *         this parameter can be one of the following values:  
+  *         GPIOA, GPIOB, GPIOC, GPIOD, GPIOE.
+  * @param  pins: gpio pin number
+  *         parameter can be any combination of gpio_pin_x, gpio_pin_x as following values:
+  *         - GPIO_PINS_0
+  *         - GPIO_PINS_1
+  *         - GPIO_PINS_2
+  *         - GPIO_PINS_3
+  *         - GPIO_PINS_4
+  *         - GPIO_PINS_5
+  *         - GPIO_PINS_6
+  *         - GPIO_PINS_7
+  *         - GPIO_PINS_8
+  *         - GPIO_PINS_9
+  *         - GPIO_PINS_10
+  *         - GPIO_PINS_11
+  *         - GPIO_PINS_12
+  *         - GPIO_PINS_13
+  *         - GPIO_PINS_14
+  *         - GPIO_PINS_15
+  *         - GPIO_PINS_ALL
+  * @retval none
+  */
+void gpio_bits_toggle(gpio_type *gpio_x, uint16_t pins)
+{
+	uint32_t odt;
+	odt = gpio_x->odt;
+	gpio_x->scr = ((odt & pins) << 16) | (~odt & pins);
+}
+
+
 /**
   * @brief  set or clear the selected data port bit.
   * @param  gpio_x: to select the gpio peripheral.
-- 
Gitee