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initial ESP-IDF project

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Signed-off-by: Peter Siegmund <peter@rdkr.com>
This commit is contained in:
Peter Siegmund
2024-05-29 23:03:43 +02:00
parent 2a98cb9367
commit 09037c6df0
68 changed files with 27746 additions and 88 deletions
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78
ePaper-ESP-IDF/components/lilygo-epd47/rmt_pulse.h Normal file
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/**
* Emit a pulse of precise length on a pin, using the RMT peripheral.
*/
#ifndef _RMT_PULSE_H_
#define _RMT_PULSE_H_
#ifdef __cplusplus
extern "C" {
#endif
/******************************************************************************/
/*** include files ***/
/******************************************************************************/
#include <stdint.h>
#include <driver/gpio.h>
#include <esp_attr.h>
/******************************************************************************/
/*** macro definitions ***/
/******************************************************************************/
/******************************************************************************/
/*** type definitions ***/
/******************************************************************************/
/******************************************************************************/
/*** exported variables ***/
/******************************************************************************/
/******************************************************************************/
/*** exported functions ***/
/******************************************************************************/
/**
* @brief Initializes RMT Channel 0 with a pin for RMT pulsing.
*
* @note The pin will have to be re-initialized if subsequently used as GPIO.
*/
void rmt_pulse_init(gpio_num_t pin);
/**
* @brief Outputs a single pulse (high -> low) on the configured pin.
*
* @note This function will always wait for a previous call to finish.
*
* @param high_time_us Pulse high time in us.
* @param low_time_us Pulse low time in us.
* @param wait Block until the pulse is finished.
*/
void IRAM_ATTR pulse_ckv_us(uint16_t high_time_us, uint16_t low_time_us, bool wait);
/**
* @brief Indicates if the rmt is currently sending a pulse.
*/
bool IRAM_ATTR rmt_busy();
/**
* @brief Outputs a single pulse (high -> low) on the configured pin.
*
* @note This function will always wait for a previous call to finish.
*
* @param high_time_us Pulse high time clock ticks.
* @param low_time_us Pulse low time in clock ticks.
* @param wait Block until the pulse is finished.
*/
void IRAM_ATTR pulse_ckv_ticks(uint16_t high_time_us, uint16_t low_time_us, bool wait);
#ifdef __cplusplus
}
#endif
#endif
/******************************************************************************/
/*** END OF FILE ***/
/******************************************************************************/