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- #include "gd32f10x_fwdgt.h"
- void fwdgt_write_enable(void)
- {
- FWDGT_CTL = FWDGT_WRITEACCESS_ENABLE;
- }
- void fwdgt_write_disable(void)
- {
- FWDGT_CTL = FWDGT_WRITEACCESS_DISABLE;
- }
- void fwdgt_enable(void)
- {
- FWDGT_CTL = FWDGT_KEY_ENABLE;
- }
- ErrStatus fwdgt_prescaler_value_config(uint16_t prescaler_value)
- {
- uint32_t timeout = FWDGT_PSC_TIMEOUT;
- uint32_t flag_status = RESET;
-
-
- FWDGT_CTL = FWDGT_WRITEACCESS_ENABLE;
-
-
- do{
- flag_status = FWDGT_STAT & FWDGT_STAT_PUD;
- }while((--timeout > 0U) && ((uint32_t)RESET != flag_status));
-
- if ((uint32_t)RESET != flag_status){
- return ERROR;
- }
-
-
- FWDGT_PSC = (uint32_t)prescaler_value;
- return SUCCESS;
- }
- ErrStatus fwdgt_reload_value_config(uint16_t reload_value)
- {
- uint32_t timeout = FWDGT_RLD_TIMEOUT;
- uint32_t flag_status = RESET;
-
-
- FWDGT_CTL = FWDGT_WRITEACCESS_ENABLE;
-
-
- do{
- flag_status = FWDGT_STAT & FWDGT_STAT_RUD;
- }while((--timeout > 0U) && ((uint32_t)RESET != flag_status));
-
- if ((uint32_t)RESET != flag_status){
- return ERROR;
- }
-
- FWDGT_RLD = RLD_RLD(reload_value);
- return SUCCESS;
- }
- void fwdgt_counter_reload(void)
- {
- FWDGT_CTL = FWDGT_KEY_RELOAD;
- }
- ErrStatus fwdgt_config(uint16_t reload_value, uint8_t prescaler_div)
- {
- uint32_t timeout = FWDGT_PSC_TIMEOUT;
- uint32_t flag_status = RESET;
-
-
- FWDGT_CTL = FWDGT_WRITEACCESS_ENABLE;
-
- do{
- flag_status = FWDGT_STAT & FWDGT_STAT_PUD;
- }while((--timeout > 0U) && ((uint32_t)RESET != flag_status));
-
- if((uint32_t)RESET != flag_status){
- return ERROR;
- }
-
- FWDGT_PSC = (uint32_t)prescaler_div;
- timeout = FWDGT_RLD_TIMEOUT;
-
- do{
- flag_status = FWDGT_STAT & FWDGT_STAT_RUD;
- }while((--timeout > 0U) && ((uint32_t)RESET != flag_status));
-
- if((uint32_t)RESET != flag_status){
- return ERROR;
- }
- FWDGT_RLD = RLD_RLD(reload_value);
-
- FWDGT_CTL = FWDGT_KEY_RELOAD;
- return SUCCESS;
- }
- FlagStatus fwdgt_flag_get(uint16_t flag)
- {
- if(FWDGT_STAT & flag){
- return SET;
- }
-
- return RESET;
- }
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