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- /*********************************************************************************************************
- * Module : Sn74lvc573.c
- * Abstract : Sn74lvc573 modules,used to relay locked or unlock IO !
- * Version : 1.0.0
- * Author : Leopul(COPYRIGHT 2025 - 2027 Leopul. All rights reserved.)
- * Complete : 2025-02-16
- * Content : None
- * Note : None
- *********************************************************************************************************/
- #include "Sn74lvc573.h"
- #include "gd32f30x_libopt.h"
- static void Config74LvcGPIO(void);
- #define LOCK_OE GPIO_PIN_3
- #define LOCK_LE GPIO_PIN_4
- static void Config74LvcGPIO(void)
- {
- rcu_periph_clock_enable(RCU_AF);
- gpio_pin_remap_config(GPIO_SWJ_SWDPENABLE_REMAP,ENABLE);
- rcu_periph_clock_enable(RCU_GPIOA);
- rcu_periph_clock_enable(RCU_GPIOB);
-
- gpio_init(GPIOB,GPIO_MODE_OUT_PP,GPIO_OSPEED_50MHZ,LOCK_OE);
- gpio_init(GPIOB,GPIO_MODE_OUT_PP,GPIO_OSPEED_50MHZ,LOCK_LE);
-
- gpio_bit_reset(GPIOA, LOCK_OE);
- gpio_bit_reset(GPIOA, LOCK_LE);
- }
- void Init74Lvc(void)
- {
- Config74LvcGPIO();
- }
- void lock(void)
- {
- gpio_bit_set(GPIOB, LOCK_LE);
- }
- void unlock(void)
- {
- gpio_bit_reset(GPIOB, LOCK_LE);
- }
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