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[FL-2393][FL-2381] iButton, OneWire: move to plain C (#1068)

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* iButton: getting started on the worker concept
* Hal delay: added global instructions_per_us variable
* iButton: one wire slave
* iButton: ibutton key setter
* iButton: one wire host, use ibutton_hal
* iButton\RFID: common pulse decoder concept
* iButton: cyfral decoder
* iButton: worker thread concept
* iButton: metakom decoder
* iButton: write key through worker
* iButton: worker mode holder
* iButton: worker improvements
* iButton: Cyfral encoder
* iButton: Metakom encoder
* lib: pulse protocol helpers
* iButton: Metakom decoder
* iButton: Cyfral decoder
* iButton worker: separate modes
* iButton: libs documentation
* HAL: iButton gpio modes
* iButton worker: rename modes file
* iButton worker, hal: move to LL
* iButton CLI: worker for reading and emulation commands
* iButton HAL: correct init and emulation sequence
* iButton cli: moved to plain C
* iButton: move to worker, small step to plain C
* Libs, one wire: move to plain C
* Libs: added forgotten files to compilation
* iButton writer: get rid of manual disable/enable irq
This commit is contained in:
SG
2022-03-29 23:01:56 +10:00
committed by GitHub
parent d15a9500c6
commit bdba15b366
112 changed files with 4444 additions and 3231 deletions
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7
firmware/targets/f7/furi_hal/furi_hal_delay.c
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@@ -4,20 +4,19 @@
#include <cmsis_os2.h>
#define TAG "FuriHalDelay"
static uint32_t clk_per_microsecond;
uint32_t instructions_per_us;
void furi_hal_delay_init(void) {
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;
DWT->CYCCNT = 0U;
clk_per_microsecond = SystemCoreClock / 1000000.0f;
instructions_per_us = SystemCoreClock / 1000000.0f;
FURI_LOG_I(TAG, "Init OK");
}
void delay_us(float microseconds) {
uint32_t start = DWT->CYCCNT;
uint32_t time_ticks = microseconds * clk_per_microsecond;
uint32_t time_ticks = microseconds * instructions_per_us;
while((DWT->CYCCNT - start) < time_ticks) {
};
}