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esp8266 timer_create

This commit is contained in:
Stephen Crane 2018-11-11 11:21:12 +00:00
parent 7d69cbd34e
commit 9a643171a6
2 changed files with 18 additions and 4 deletions
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18
timed.cpp
View File

@ -5,19 +5,24 @@
#include <driverlib/interrupt.h> #include <driverlib/interrupt.h>
#include <driverlib/sysctl.h> #include <driverlib/sysctl.h>
#include <driverlib/timer.h> #include <driverlib/timer.h>
#elif defined(ESP8266)
#include <ets_sys.h>
#include <osapi.h>
#include <os_type.h>
#endif #endif
#include "timed.h" #include "timed.h"
#if defined(__LM4F120H5QR__) #if defined(__LM4F120H5QR__)
static void (*client_handler)(void); static handler_t client_handler;
static void timer0isr(void) { static void timer0isr(void) {
ROM_TimerIntClear(TIMER0_BASE, TIMER_TIMA_TIMEOUT); ROM_TimerIntClear(TIMER0_BASE, TIMER_TIMA_TIMEOUT);
client_handler(); client_handler();
} }
void timer_create(unsigned freq, void (*handler)(void)) { void timer_create(unsigned freq, handler_t handler) {
client_handler = handler; client_handler = handler;
ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0); ROM_SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0);
ROM_TimerConfigure(TIMER0_BASE, TIMER_CFG_PERIODIC); ROM_TimerConfigure(TIMER0_BASE, TIMER_CFG_PERIODIC);
@ -29,10 +34,17 @@ void timer_create(unsigned freq, void (*handler)(void)) {
} }
#elif defined(ESP_PLATFORM) #elif defined(ESP_PLATFORM)
void timer_create(unsigned freq, void (*handler)(void)) { void timer_create(unsigned freq, handler_t handler) {
hw_timer_t *timer = timerBegin(3, 80, true); // prescaler of 80 hw_timer_t *timer = timerBegin(3, 80, true); // prescaler of 80
timerAttachInterrupt(timer, handler, true); timerAttachInterrupt(timer, handler, true);
timerAlarmWrite(timer, 1000000 / freq, true); timerAlarmWrite(timer, 1000000 / freq, true);
timerAlarmEnable(timer); 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 #endif

4
timed.h
View File

@ -1,6 +1,8 @@
#ifndef __TIMED_H__ #ifndef __TIMED_H__
#define __TIMED_H__ #define __TIMED_H__
void timer_create(unsigned freq, void (*handler)(void)); typedef void (*handler_t)(void);
void timer_create(unsigned freq, handler_t handler);
#endif #endif