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#ifndef __TIMA_H__
#define __TIMA_H__
#include <stdint.h>
#include <stdbool.h>
#include "common.h"
#define _01_TMA_COUNT_START (0x01U) /* count starts */
/* TAIO input polarity select bit (TEDGPL)输入边沿极性选择 */
#define _00_TMA_TAIO_POLARITY_ONE (0x00U) /* one edge */
#define _08_TMA_TAIO_POLARITY_BOTH (0x08U) /* both edges */
/* TAIO event input control bit (TIOGT1,TIOGT0) */
#define _00_TMA_EVENT_ENABLE_ALWAYS (0x00U) /* event is counted */
#define _40_TMA_EVENT_ENABLE_INTP4 (0x40U) /* event is counted during INTP4 specified period */
#define _80_TMA_EVENT_ENABLE_TIMEROUTSIGNAL (0x80U) /* event is counted during polarity period specified for timer output signal */
/* PWM signal and INTP4 polarity selection (RCCPSEL2) */
#define _00_TMA_PWM_POLARITY_L (0x00U) /* L period is counted */
#define _04_TMA_PWM_POLARITY_H (0x04U) /* H period is counted */
/* PWM signal selection (RCCPSEL1,RCCPSEL0) */
#define _00_TMA_PWM_TMIOD1 (0x00U) /* TRDIOD1 */
#define _01_TMA_PWM_TMIOC1 (0x01U) /* TRDIOC1 */
#define _02_TMA_PWM_TO02 (0x02U) /* TO02 */
#define _03_TMA_PWM_TO03 (0x03U) /* TO03 */
/* Timer A underflow flag (TUNDF) */
#define _00_TMA_UNDERFLOW_NOT_OCCUR (0x00U) /* no underflow */
#define _20_TMA_UNDERFLOW_OCCUR (0x20U) /* underflow */
/* Active edge judgment flag (TEDGF) */
#define _00_TMA_ACTIVE_EDGE_UNRECEIVED (0x00U) /* active edge not received */
#define _10_TMA_ACTIVE_EDGE_RECEIVED (0x10U) /* active edge received (end of measurement period) */
/** @defgroup TMA_Edge_t
* @{
*/
#define TMA_RISING_EDGE 0x0001
#define TMA_FALLING_EDGE 0x0002
#define TMA_BOTH_EDGE (TMA_FALLING_EDGE | TMA_RISING_EDGE)
#define IS_TMA_EDGE(edge) ((((edge) & (uint16_t)0xFFFC) == 0x0000) && ((edge) != (uint16_t)0x0000))
/** @defgroup TMA_Ctrl_t
* @{
*/
#define TMA_COUNT_AWLAYS 0x0000
#define TMA_INTP4_LOW_LEVEL 0x0001
#define TMA_INTP4_HIGH_LEVEL 0x0002
#define TMM_TMIOD1_LOW_LEVEL 0x0010
#define TMM_TMIOD1_HIGH_LEVEL 0x0020
#define TMM_TMIOC1_LOW_LEVEL 0x0040
#define TMM_TMIOC1_HIGH_LEVEL 0x0080
#define TIM_TO02_LOW_LEVEL 0x0100
#define TIM_TO02_HIGH_LEVEL 0x0200
#define TIM_TO03_LOW_LEVEL 0x0400
#define TIM_TO03_HIGH_LEVEL 0x0800
#define IS_TMA_CTRL(ctrl) (((ctrl) & (uint16_t)0xF00C) == 0x0000)
typedef enum
{
TMA_FCLK_Div1 = 0x00U,
TMA_FCLK_Div8 = 0x10U,
TMA_FCLK_Div2 = 0x30U,
TMA_FIL = 0x40U,
TMA_EventCount = 0x50U,
TMA_FSUB = 0x60U,
}TMA_Clk_t;
typedef enum
{
TMA_Mode_Interval = 0x00,
TMA_Mode_Square = 0x01,
TMA_Mode_EventCount = 0x02,
TMA_Mode_PluseWidth = 0x03,
TMA_Mode_PlusePeriod= 0x04,
}TMA_Mode_t;
typedef enum
{
TMA_Polarity_0 = 0x00, //事件计数时：上升沿计数； 方波模式：初始电平为高电平
TMA_Polarity_1 = 0x01,
}TMA_Polarity_t;
typedef enum
{
TMA_Pulse_Width_High= 0x00, // measure high level width of TI
TMA_Pulse_Width_Low = 0x01, // measure low level width of TI
TMA_Pulse_Rising = 0x02, // measure rising edge interval of TI
TMA_Pulse_Falling = 0x03, // measure falling edge interval of TI
}TMA_Pulse_t;
typedef struct
{
uint16_t TIMA_Edge; /*!< Specifies the valid edge when eventcount
This parameter can be a value of @ref TIMA_Edge_t */
uint16_t TMA_Ctrl; /*!< TMA counter events under the condition of the paramters of TMA_Ctrl_t
This parameter can be a value of @ref TMA_Ctrl_t */
}TMA_EVNT_t;
typedef struct
{
uint16_t TMA_Period; /*!< Specifies the period value to be loaded into the active
Auto-Reload Register at the next update event.This parameter must be a number between 0x0000 and 0xFFFF. */
uint16_t TMA_Clk; /*!< Specifies the count clock source of TIMA
This parameter can be a value of @ref TMA_Clk_t */
TMA_Mode_t TMA_Mode; /*!< Specifies the TIM work mode of different TIM channel
This parameter can be a value of @ref TIMA_Mode_t */
uint8_t TMA_Polarity; /*!< TAIO polarity switch bit (TEDGSEL) .*/
TMA_EVNT_t TMA_EventPara; /*!< Specifies the TMA counter condition
This parameter can be a value of @ref TMA_EVNT_t */
TMA_Pulse_t TMA_Pulse;
}TMA_InitTypeDef;
void TMA_Init(TMA_InitTypeDef *TIMA_InitStruct);
void TMA_Start(void);
void TMA_Stop(void);
uint32_t TMA_GetPulseWidth(void);
uint32_t TMA_GetPulsePeriod(void);
#endif