Ken Van Hoeylandt
88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
#include "stream_buffer.h"
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#include "check.h"
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#include "core_defines.h"
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#include "core_types.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/stream_buffer.h"
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StreamBuffer* tt_stream_buffer_alloc(size_t size, size_t trigger_level) {
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tt_assert(size != 0);
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StreamBufferHandle_t handle = xStreamBufferCreate(size, trigger_level);
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tt_check(handle);
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return handle;
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};
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void tt_stream_buffer_free(StreamBuffer* stream_buffer) {
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tt_assert(stream_buffer);
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vStreamBufferDelete(stream_buffer);
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};
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bool tt_stream_set_trigger_level(StreamBuffer* stream_buffer, size_t trigger_level) {
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tt_assert(stream_buffer);
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return xStreamBufferSetTriggerLevel(stream_buffer, trigger_level) == pdTRUE;
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};
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size_t tt_stream_buffer_send(
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StreamBuffer* stream_buffer,
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const void* data,
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size_t length,
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uint32_t timeout
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) {
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size_t ret;
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if (TT_IS_IRQ_MODE()) {
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BaseType_t yield;
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ret = xStreamBufferSendFromISR(stream_buffer, data, length, &yield);
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portYIELD_FROM_ISR(yield);
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} else {
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ret = xStreamBufferSend(stream_buffer, data, length, timeout);
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}
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return ret;
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};
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size_t tt_stream_buffer_receive(
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StreamBuffer* stream_buffer,
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void* data,
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size_t length,
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uint32_t timeout
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) {
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size_t ret;
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if (TT_IS_IRQ_MODE()) {
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BaseType_t yield;
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ret = xStreamBufferReceiveFromISR(stream_buffer, data, length, &yield);
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portYIELD_FROM_ISR(yield);
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} else {
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ret = xStreamBufferReceive(stream_buffer, data, length, timeout);
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}
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return ret;
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}
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size_t tt_stream_buffer_bytes_available(StreamBuffer* stream_buffer) {
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return xStreamBufferBytesAvailable(stream_buffer);
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};
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size_t tt_stream_buffer_spaces_available(StreamBuffer* stream_buffer) {
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return xStreamBufferSpacesAvailable(stream_buffer);
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};
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bool tt_stream_buffer_is_full(StreamBuffer* stream_buffer) {
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return xStreamBufferIsFull(stream_buffer) == pdTRUE;
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};
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bool tt_stream_buffer_is_empty(StreamBuffer* stream_buffer) {
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return (xStreamBufferIsEmpty(stream_buffer) == pdTRUE);
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};
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TtStatus tt_stream_buffer_reset(StreamBuffer* stream_buffer) {
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if (xStreamBufferReset(stream_buffer) == pdPASS) {
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return TtStatusOk;
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} else {
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return TtStatusError;
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}
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} |