arduino/esp8266
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Initial support for CPU frequency selection

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This commit is contained in:
Ivan Grokhotkov
2015-04-03 02:18:13 +03:00
parent e6f3a59a52
commit ddb2343bc0
2 changed files with 20 additions and 1 deletions
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13
cores/esp8266/core_esp8266_main.cpp
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@ -37,12 +37,24 @@ extern "C" {
int atexit(void (*func)()) { return 0; }
extern "C" void ets_update_cpu_frequency(int freqmhz);
void initVariant() __attribute__((weak));
void initVariant() { }
extern void loop();
extern void setup();
void preloop_update_frequency() __attribute__((weak));
void preloop_update_frequency()
{
#if defined(F_CPU) && (F_CPU == 16000000L)
REG_SET_BIT(0x3ff00014, BIT(0));
ets_update_cpu_frequency(160);
#endif
}
extern void (*__init_array_start)(void);
extern void (*__init_array_end)(void);
@ -87,6 +99,7 @@ static void loop_wrapper()
setup();
setup_done = true;
}
preloop_update_frequency();
loop();
esp_schedule();
}