espressif/ESP8266_RTOS_SDK
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feature(ir_tx): use wdev timer

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xiongyu
2019-10-23 17:47:35 +08:00
parent 7b78b9772b
commit 350971d8bb
3 changed files with 51 additions and 7 deletions
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11
components/esp8266/include/driver/ir_tx.h
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@ -32,7 +32,13 @@ extern "C" {
#define IR_TX_NEC_REP_LOW_US 2250
#define IR_TX_NEC_REP_STOP_US 562
#define IR_TX_NEC_REP_CYCLE 108000
#define IR_TX_ERROR_US 40 // Timing in advance to reduce errors
#define IR_TX_WDEV_TIMER_ERROR_US 5 // Timing in advance to reduce errors
#define IR_TX_HW_TIMER_ERROR_US 40 // Timing in advance to reduce errors
typedef enum {
IR_TX_WDEV_TIMER,
IR_TX_HW_TIMER,
} ir_tx_timer_t;
/**
* @brief ir tx initialization parameter structure type definition
@ -40,6 +46,7 @@ extern "C" {
typedef struct {
uint32_t io_num; // 2 or 14, 2: I2SO_WS 14: I2SI_WS
uint32_t freq;
ir_tx_timer_t timer; // WDEV timer will be more accurate, but PWM will not work
} ir_tx_config_t;
/**
@ -82,6 +89,8 @@ esp_err_t ir_tx_deinit();
/**
* @brief Initialize the ir tx
*
* @note WDEV timer will be more accurate, but PWM will not work.
*
* @param config Pointer to deliver initialize configuration parameter
*