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use a scheduled function for settimeofday_cb (#6600)

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* use a scheduled function for settimeofday_cb

* per review

* use a generic and clear name for trivial functional variable type name used for callbacks
This commit is contained in:
david gauchard 2019-10-06 22:50:57 +02:00 committed by GitHub
parent d1b70dfc1d
commit c55f49bd61
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 23 additions and 19 deletions
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9
cores/esp8266/coredecls.h
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@ -17,7 +17,6 @@ extern bool timeshift64_is_set;
void esp_yield();
void esp_schedule();
void tune_timeshift64 (uint64_t now_us);
void settimeofday_cb (void (*cb)(void));
void disable_extra4k_at_link_time (void) __attribute__((noinline));
uint32_t sqrt32 (uint32_t n);
@ -25,6 +24,14 @@ uint32_t crc32 (const void* data, size_t length, uint32_t crc = 0xffffffff);
#ifdef __cplusplus
}
#include <functional>
using TrivialCB = std::function<void()>;
void settimeofday_cb (TrivialCB&& cb);
void settimeofday_cb (const TrivialCB& cb);
#endif
#endif // __COREDECLS_H

14
cores/esp8266/sntp-lwip2.cpp
View File

@ -42,16 +42,22 @@
#include <osapi.h>
#include <os_type.h>
#include "coredecls.h"
#include "Schedule.h"
extern "C" {
static TrivialCB _settimeofday_cb;
static void (*_settimeofday_cb)(void) = NULL;
void settimeofday_cb (TrivialCB&& cb)
{
_settimeofday_cb = std::move(cb);
}
void settimeofday_cb (void (*cb)(void))
void settimeofday_cb (const TrivialCB& cb)
{
_settimeofday_cb = cb;
}
extern "C" {
#if LWIP_VERSION_MAJOR == 1
#include <pgmspace.h>
@ -478,7 +484,7 @@ int settimeofday(const struct timeval* tv, const struct timezone* tz)
sntp_set_system_time(tv->tv_sec);
if (_settimeofday_cb)
_settimeofday_cb();
schedule_function(_settimeofday_cb);
}
return 0;
}

19
libraries/esp8266/examples/NTP-TZ-DST/NTP-TZ-DST.ino
View File

@ -152,6 +152,10 @@ void printTm(const char* what, const tm* tm) {
void time_is_set_scheduled() {
// everything is allowed in this function
if (time_machine_days == 0) {
time_machine_running = !time_machine_running;
}
// time machine demo
if (time_machine_running) {
if (time_machine_days == 0)
@ -178,19 +182,6 @@ void time_is_set_scheduled() {
}
}
void time_is_set_callback() {
// As in an ISR,
// it is not allowed to call "heavy" core API
// like yield()/delay()/print()/network/...
// If this is needed, use a scheduled function.
// This scheduled function is used for the demo, it is normaly unneeded
schedule_function(time_is_set_scheduled);
if (time_machine_days == 0) {
time_machine_running = !time_machine_running;
}
}
void setup() {
Serial.begin(115200);
Serial.println("\nStarting...\n");
@ -204,7 +195,7 @@ void setup() {
// install callback - called when settimeofday is called (by SNTP or us)
// once enabled (by DHCP), SNTP is updated every hour
settimeofday_cb(time_is_set_callback);
settimeofday_cb(time_is_set_scheduled);
// NTP servers may be overriden by your DHCP server for a more local one
// (see below)