101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
|
#include <furi.h>
|
||
|
|
#include <furi_hal.h>
|
||
|
|
|
||
|
|
#define TAG "WIP_Thread_Demo"
|
||
|
|
|
||
|
|
const GpioPin* pin = &gpio_ext_pa7;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint8_t duty_cycle;
|
||
|
|
uint32_t freq;
|
||
|
|
} MyThreadContext;
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
MyThreadFlagUpdated = 1 << 0,
|
||
|
|
MyThreadFlagFoo = 1 << 1,
|
||
|
|
MyThreadFlagExiting = 1 << 2,
|
||
|
|
MyThreadFlagAll = (1 << 3) - 1,
|
||
|
|
} MyThreadFlags;
|
||
|
|
|
||
|
|
int32_t my_thread_callback(void* context) {
|
||
|
|
MyThreadContext* mtc = (MyThreadContext*)context;
|
||
|
|
furi_thread_flags_clear(MyThreadFlagAll);
|
||
|
|
|
||
|
|
uint32_t cycle = 1000000 / mtc->freq;
|
||
|
|
uint32_t cycle_on = cycle * mtc->duty_cycle / 100;
|
||
|
|
uint32_t cycle_off = cycle - cycle_on;
|
||
|
|
uint32_t num_cycles = mtc->freq;
|
||
|
|
|
||
|
|
MyThreadFlags flags;
|
||
|
|
while(((flags = furi_thread_flags_get()) & MyThreadFlagExiting) != MyThreadFlagExiting) {
|
||
|
|
// Do some work (for ~1 second) then check to see if thead should exit...
|
||
|
|
|
||
|
|
// NOTE: This causes some "flicker" because the LED is not changing states
|
||
|
|
// while we do the above and below checks.
|
||
|
|
|
||
|
|
if(flags & MyThreadFlagUpdated) {
|
||
|
|
cycle = 1000000 / mtc->freq;
|
||
|
|
cycle_on = cycle * mtc->duty_cycle / 100;
|
||
|
|
cycle_off = cycle - cycle_on;
|
||
|
|
num_cycles = mtc->freq;
|
||
|
|
furi_thread_flags_clear(MyThreadFlagUpdated);
|
||
|
|
}
|
||
|
|
|
||
|
|
for(uint32_t i = 0; i < num_cycles * 3; i++) {
|
||
|
|
// Turn on
|
||
|
|
furi_hal_gpio_write(pin, true);
|
||
|
|
furi_delay_us(cycle_on);
|
||
|
|
// Turn off
|
||
|
|
furi_hal_gpio_write(pin, false);
|
||
|
|
furi_delay_us(cycle_off);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
FURI_LOG_D(TAG, "Exiting the thread");
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int thread_demo_app(char* p) {
|
||
|
|
UNUSED(p);
|
||
|
|
|
||
|
|
furi_hal_gpio_init_simple(pin, GpioModeOutputPushPull);
|
||
|
|
|
||
|
|
MyThreadContext* context = (MyThreadContext*)malloc(sizeof(MyThreadContext));
|
||
|
|
context->duty_cycle = 100;
|
||
|
|
context->freq = 30000;
|
||
|
|
|
||
|
|
FuriThread* thread = furi_thread_alloc_ex("MyThread", 2048, my_thread_callback, context);
|
||
|
|
furi_thread_start(thread);
|
||
|
|
|
||
|
|
// This would normally do some work. We sleep here just as a demo..
|
||
|
|
FURI_LOG_D(TAG, "Running the main program");
|
||
|
|
furi_delay_ms(3000);
|
||
|
|
|
||
|
|
context->duty_cycle = 50;
|
||
|
|
furi_thread_flags_set(furi_thread_get_id(thread), MyThreadFlagUpdated);
|
||
|
|
FURI_LOG_D(TAG, "Set duty cycle to %d.", context->duty_cycle);
|
||
|
|
furi_delay_ms(3000);
|
||
|
|
|
||
|
|
context->duty_cycle = 10;
|
||
|
|
furi_thread_flags_set(furi_thread_get_id(thread), MyThreadFlagUpdated);
|
||
|
|
FURI_LOG_D(TAG, "Set duty cycle to %d.", context->duty_cycle);
|
||
|
|
furi_delay_ms(3000);
|
||
|
|
|
||
|
|
context->duty_cycle = 2;
|
||
|
|
furi_thread_flags_set(furi_thread_get_id(thread), MyThreadFlagUpdated);
|
||
|
|
FURI_LOG_D(TAG, "Set duty cycle to %d.", context->duty_cycle);
|
||
|
|
furi_delay_ms(3000);
|
||
|
|
FURI_LOG_D(TAG, "Exiting the main program");
|
||
|
|
|
||
|
|
// Our app is done. Release any resources...
|
||
|
|
|
||
|
|
// Tell the thread we are exiting.
|
||
|
|
furi_thread_flags_set(furi_thread_get_id(thread), MyThreadFlagExiting);
|
||
|
|
// Wait for thread to exit.
|
||
|
|
furi_thread_join(thread);
|
||
|
|
|
||
|
|
furi_hal_gpio_init_simple(pin, GpioModeAnalog);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|