diff options
| -rw-r--r-- | ports/samd/modmachine.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/ports/samd/modmachine.c b/ports/samd/modmachine.c index 1b78b687e..99fccf5bf 100644 --- a/ports/samd/modmachine.c +++ b/ports/samd/modmachine.c @@ -59,10 +59,21 @@ STATIC mp_obj_t machine_bootloader(void) { } MP_DEFINE_CONST_FUN_OBJ_0(machine_bootloader_obj, machine_bootloader); -STATIC mp_obj_t machine_freq(void) { - return MP_OBJ_NEW_SMALL_INT(CPU_FREQ); +STATIC mp_obj_t machine_freq(size_t n_args, const mp_obj_t *args) { + if (n_args == 0) { + return MP_OBJ_NEW_SMALL_INT(get_cpu_freq()); + } else { + #if defined(MCU_SAMD51) + uint32_t freq = mp_obj_get_int(args[0]); + if (freq >= 48000000 && freq <= 200000000) { + set_cpu_freq(freq); + SysTick_Config(freq / 1000); + } + #endif + return mp_const_none; + } } -MP_DEFINE_CONST_FUN_OBJ_0(machine_freq_obj, machine_freq); +STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_freq_obj, 0, 1, machine_freq); STATIC mp_obj_t machine_unique_id(void) { // Each device has a unique 128-bit serial number which is a concatenation of four 32-bit |