mirror of
https://github.com/jscrane/r65emu.git
synced 2024-12-27 05:32:04 +00:00
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
#include <Arduino.h>
|
|
|
|
#if defined(__LM4F120H5QR__)
|
|
#include <inc/hw_ints.h>
|
|
#include <driverlib/interrupt.h>
|
|
#include <driverlib/sysctl.h>
|
|
#include <driverlib/timer.h>
|
|
|
|
#elif defined(ESP8266)
|
|
#include <ets_sys.h>
|
|
#include <osapi.h>
|
|
#include <os_type.h>
|
|
#endif
|
|
|
|
#include "timed.h"
|
|
|
|
#if defined(__LM4F120H5QR__)
|
|
static handler_t client_handler;
|
|
|
|
static void timer0isr(void) {
|
|
ROM_TimerIntClear(TIMER0_BASE, TIMER_TIMA_TIMEOUT);
|
|
client_handler();
|
|
}
|
|
|
|
void timer_create(unsigned freq, handler_t handler) {
|
|
client_handler = handler;
|
|
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0);
|
|
ROM_TimerConfigure(TIMER0_BASE, TIMER_CFG_PERIODIC);
|
|
TimerIntRegister(TIMER0_BASE, TIMER_A, timer0isr);
|
|
ROM_TimerEnable(TIMER0_BASE, TIMER_A);
|
|
ROM_IntEnable(INT_TIMER0A);
|
|
ROM_TimerIntEnable(TIMER0_BASE, TIMER_TIMA_TIMEOUT);
|
|
ROM_TimerLoadSet(TIMER0_BASE, TIMER_A, ROM_SysCtlClockGet() / freq);
|
|
}
|
|
#elif defined(ESP_PLATFORM)
|
|
|
|
void timer_create(unsigned freq, handler_t handler) {
|
|
hw_timer_t *timer = timerBegin(3, 80, true); // prescaler of 80
|
|
timerAttachInterrupt(timer, handler, true);
|
|
timerAlarmWrite(timer, 1000000 / freq, true);
|
|
timerAlarmEnable(timer);
|
|
}
|
|
#elif defined(ESP8266)
|
|
|
|
void timer_create(unsigned freq, handler_t handler) {
|
|
static os_timer_t t;
|
|
os_timer_setfn(&t, (os_timer_func_t *)handler, 0);
|
|
os_timer_arm(&t, 1000 / freq, true);
|
|
}
|
|
#endif
|