Initial import of NFC GNSS SDK project

2026-09-15 16:10:12 +08:00
commit 2746cc3d4e
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+/*================================================================
+  Copyright (c) 2022, Quectel Wireless Solutions Co., Ltd. All rights reserved.
+  Quectel Wireless Solutions Proprietary and Confidential.
+=================================================================*/
+
+
+#ifndef _QL_PWM_H
+#define _QL_PWM_H
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+typedef enum QL_PWM_CYCLE_RANGE_ENUM
+{
+    QL_PWM_CYCLE_ABOVE_1US,
+	QL_PWM_CYCLE_ABOVE_10US,
+    QL_PWM_CYCLE_ABOVE_1MS
+} QL_PWM_CYCLE_RANGE_E;
+	
+typedef enum
+{
+	QL_PWM_CLK_SRC_13M,
+	QL_PWM_CLK_SRC_32K,
+}QL_PWM_CLK_SRC_E;
+		
+
+typedef struct
+{
+  unsigned long        pwm_psc;    //(value:1~64)  example:choose 13 MHz,  maximum is 13000000/1=13 MHz, minimum is 13000000/64 = 203,125 KHz.
+  unsigned short       high_one_cycle_duration;  //Time that PWM_OUT puls is high in term of "clk_freq" define above. This value is written to PWDUTY register.
+  unsigned short       total_one_cycle_duration; //(1<value< 1023) One cycle of PWM_OUT puls (high and low) in term of "clk_freq" define above. This value is written to PERVAL register.
+  QL_PWM_CLK_SRC_E   clk_src;       //The clock source,32KHz  and  13MHz
+}QL_PWM_CONFIG_EX;
+
+
+/******************************************************************
+*	 Functions
+******************************************************************/
+
+/*****************************************************************
+* Function: ql_pwm_enable
+*
+* Description: 	
+*此函数打开pwm功能
+* 
+* Parameters:
+* 	gpio_num			[in] 	选择PWM的GPIO口。
+*
+* Return:
+* 	0	             成功。
+*	-1               失败。
+*
+*****************************************************************/
+int ql_pwm_enable(unsigned int gpio_num);
+
+/*****************************************************************
+* Function: ql_pwm_disable
+*
+* Description: 	
+*此函数关闭pwm功能
+* 
+* Parameters:
+* 	gpio_num			[in] 	选择PWM的GPIO口。
+*
+* Return:
+* 	0	             成功。
+*	-1               失败。
+*
+*****************************************************************/
+int ql_pwm_disable(unsigned int gpio_num);
+
+
+/*****************************************************************
+* Function: ql_pwm_config_plus_ex
+*
+* Description: 	2022-02-28
+*此函数产生的pwm频率可根据用户选择时钟源、分频系数、重装值来自定义设置频率；选择高电平、重装值时间(整个周期时间)确定PWM占空比。 
+* 
+* Parameters:
+* 	gpio_num			[in] 	选择PWM的GPIO口。
+* 	pwm_parameter	  　[in] 	设置分频系数、高电平、重装值、时钟源等参数
+*
+* Return:
+* 	0	             成功。
+*	-1               失败。
+*
+*****************************************************************/
+int ql_pwm_config_plus_ex(unsigned int gpio_num,QL_PWM_CONFIG_EX *pwm_parameter);
+
+
+
+#ifdef __cplusplus
+} /*"C" */
+#endif
+
+#endif
+