942bbfaefe
* add input debounce code from old fw * exampl of input api * change input API to get/release * revert input API to read * pointer instead of instance * add input API description * add display API * rewrite display names * migrate to valuemanager * add LED API * add closing brakets * add sound api * fix led api * basic api * rename API pages * change pubsub implementation * move FURI AC -> flapp, add valuemutex example, add valuemanager implementation * pubsub usage example * user led example * update example * simplify input * add composed display * add SPI/GPIO and CC1101 bus * change cc1101 api * spi api and devices * spi api and devices * move SPI to page, add GPIO * not block pin open * backlight API and more * add minunit tests * fix logging * ignore unexisting time service on embedded targets * fix warning, issue with printf * Deprecate furi_open and furi_close (#167) Rename existing furi_open and furi_close to deprecated version * add exitcode * migrate to printf * indicate test by leds * add testing description * rename furi.h * wip basic api * add valuemutex, pubsub, split files * add value expanders * value mutex realization and tests * valuemutex test added to makefile * do not build unimplemented files * fix build furmware target f2 * redesigned minunit tests to allow testing in separate files * test file for valuemutex minunit testing * minunit partial test valuemutex * local cmsis_os2 mutex bindings * implement furi open/create, tests * migrate concurrent_access to ValueMutex * add spi header * Lib: add mlib submodule. Co-authored-by: rusdacent <rusdacentx0x08@gmail.com> Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com>
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
#include "valuemutex.h"
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#include <string.h>
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bool init_mutex(ValueMutex* valuemutex, void* value, size_t size) {
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// mutex without name,
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// no attributes (unfortunatly robust mutex is not supported by FreeRTOS),
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// with dynamic memory allocation
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const osMutexAttr_t value_mutext_attr = {
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.name = NULL, .attr_bits = 0, .cb_mem = NULL, .cb_size = 0U};
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valuemutex->mutex = osMutexNew(&value_mutext_attr);
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if(valuemutex->mutex == NULL) return false;
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valuemutex->value = value;
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valuemutex->size = size;
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return true;
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}
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void* acquire_mutex(ValueMutex* valuemutex, uint32_t timeout) {
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if(osMutexAcquire(valuemutex->mutex, timeout) == osOK) {
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return valuemutex->value;
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} else {
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return NULL;
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}
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}
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bool release_mutex(ValueMutex* valuemutex, void* value) {
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if(value != valuemutex->value) return false;
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if(osMutexRelease(valuemutex->mutex) != osOK) return false;
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return true;
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}
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bool read_mutex(ValueMutex* valuemutex, void* data, size_t len, uint32_t timeout) {
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void* value = acquire_mutex(valuemutex, timeout);
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if(value == NULL || len > valuemutex->size) return false;
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memcpy(data, value, len > 0 ? len : valuemutex->size);
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if(!release_mutex(valuemutex, value)) return false;
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return true;
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}
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bool write_mutex(ValueMutex* valuemutex, void* data, size_t len, uint32_t timeout) {
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void* value = acquire_mutex(valuemutex, timeout);
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if(value == NULL || len > valuemutex->size) return false;
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memcpy(value, data, len > 0 ? len : valuemutex->size);
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if(!release_mutex(valuemutex, value)) return false;
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return true;
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} |