Ken Van Hoeylandt 415096c3b2
Update docs and fix bugs (#149)
Improved the docs for the 3 main Tactility projects. I also fixed some inaccuracies and bugs in certain APIs as I went through the code.
2025-01-07 20:45:23 +01:00

91 lines
2.3 KiB
C++

#pragma once
#include "CoreTypes.h"
#ifdef ESP_PLATFORM
#include "freertos/FreeRTOS.h"
#else
#include "FreeRTOS.h"
#endif
namespace tt::kernel {
/** Recognized platform types */
typedef enum {
PlatformEsp,
PlatformSimulator
} Platform;
/** Check if kernel is running
* @return true if the FreeRTOS kernel is running, false otherwise
*/
bool isRunning();
/** Lock kernel, pause process scheduling
* @warning don't call from ISR context
* @return previous lock state(0 - unlocked, 1 - locked)
*/
int32_t lock();
/** Unlock kernel, resume process scheduling
* @warning don't call from ISR context
* @return previous lock state(0 - unlocked, 1 - locked)
*/
int32_t unlock();
/** Restore kernel lock state
* @warning don't call from ISR context
* @param[in] lock The lock state
* @return new lock state or error
*/
int32_t restoreLock(int32_t lock);
/** Get kernel systick frequency
* @return systick counts per second
*/
uint32_t getTickFrequency();
TickType_t getTicks();
/** Delay execution
* @warning don't call from ISR context
* Also keep in mind delay is aliased to scheduler timer intervals.
* @param[in] ticks The ticks count to pause
*/
void delayTicks(TickType_t ticks);
/** Delay until tick
* @warning don't call from ISR context
* @param[in] ticks The tick until which kerel should delay task execution
* @return the status
*/
TtStatus delayUntilTick(TickType_t tick);
/** Convert milliseconds to ticks
*
* @param[in] milliSeconds time in milliseconds
* @return time in ticks
*/
TickType_t millisToTicks(uint32_t milliSeconds);
/** Delay in milliseconds
* This method uses kernel ticks on the inside, which causes delay to be aliased to scheduler timer intervals.
* Real wait time will be between X+ milliseconds.
* Special value: 0, will cause task yield.
* Also if used when kernel is not running will fall back to delayMicros()
* @warning don't call from ISR context
* @param[in] milliSeconds milliseconds to wait
*/
void delayMillis(uint32_t milliSeconds);
/** Delay in microseconds
* Implemented using Cortex DWT counter. Blocking and non aliased.
* @param[in] microSeconds microseconds to wait
*/
void delayMicros(uint32_t microSeconds);
/** @return the platform that Tactility currently is running on. */
Platform getPlatform();
} // namespace