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esp8266: Enable setting CPU frequency to 160MHz

This commit is contained in:
Josef Gajdusek 2015-05-15 09:56:41 +02:00 committed by Paul Sokolovsky
parent a16715ac62
commit 492fd5cb6b
3 changed files with 8 additions and 7 deletions
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4
esp8266/esp_mphal.c
View File

@ -93,7 +93,3 @@ void HAL_Delay(uint32_t Delay) {
void mp_hal_set_interrupt_char(int c) {
// TODO
}
uint32_t mp_hal_get_cpu_freq(void) {
return ets_get_cpu_frequency();
}

1
esp8266/etshal.h
View File

@ -5,6 +5,5 @@ void ets_isr_unmask();
void ets_install_putc1();
void ets_isr_attach();
void uart_div_modify();
uint32_t ets_get_cpu_frequency();
#endif // _INCLUDED_ETSHAL_H_

10
esp8266/modpyb.c
View File

@ -81,10 +81,16 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_info_obj, 0, 1, pyb_info);
STATIC mp_obj_t pyb_freq(mp_uint_t n_args, const mp_obj_t *args) {
if (n_args == 0) {
// get
return mp_obj_new_int(mp_hal_get_cpu_freq() * 1000000);
return mp_obj_new_int(system_get_cpu_freq() * 1000000);
} else {
// set
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "can't change freq"));
mp_int_t freq = mp_obj_get_int(args[0]) / 1000000;
if (freq != 80 && freq != 160) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError,
"frequency can only be either 80Mhz or 160MHz"));
}
system_update_cpu_freq(freq);
return mp_const_none;
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_freq_obj, 0, 1, pyb_freq);