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Change common_hal_mcu_processor_set_frequency to void

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* Add warning about setting RP2040 frequency
This commit is contained in:
Colin B 2023-01-16 20:39:20 -08:00
parent a84a8855ed
commit bfba1e4100
4 changed files with 10 additions and 13 deletions
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4
ports/mimxrt10xx/common-hal/microcontroller/Processor.c
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@ -52,15 +52,13 @@ float common_hal_mcu_processor_get_temperature(void) {
return temp; return temp;
} }
uint32_t common_hal_mcu_processor_set_frequency(mcu_processor_obj_t *self, void common_hal_mcu_processor_set_frequency(mcu_processor_obj_t *self,
uint32_t frequency) { uint32_t frequency) {
uint32_t freq = frequency / 1000000; uint32_t freq = frequency / 1000000;
if (freq != 24 && freq != 150 && freq != 396 && freq != 450 && freq != 528 && freq != 600 && if (freq != 24 && freq != 150 && freq != 396 && freq != 450 && freq != 528 && freq != 600 &&
freq != 720 && freq != 816 && freq != 912 && freq != 960 && freq != 1008) { freq != 720 && freq != 816 && freq != 912 && freq != 960 && freq != 1008) {
mp_raise_ValueError(translate("Frequency must be 24, 150, 396, 450, 528, 600, 720, 816, 912, 960 or 1008 Mhz")); mp_raise_ValueError(translate("Frequency must be 24, 150, 396, 450, 528, 600, 720, 816, 912, 960 or 1008 Mhz"));
} }
SystemCoreClock = setarmclock(frequency);
return SystemCoreClock;
} }

10
ports/raspberrypi/common-hal/microcontroller/Processor.c
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@ -61,14 +61,10 @@ uint32_t common_hal_mcu_processor_get_frequency(void) {
return clock_get_hz(clk_sys); return clock_get_hz(clk_sys);
} }
uint32_t common_hal_mcu_processor_set_frequency(mcu_processor_obj_t *self, void common_hal_mcu_processor_set_frequency(mcu_processor_obj_t *self, uint32_t frequency) {
uint32_t frequency) { if (!set_sys_clock_khz(frequency / 1000, false)) {
uint32_t freq = frequency / 1000; mp_arg_error_invalid(MP_QSTR_frequency);
if (!set_sys_clock_khz(freq, false)) {
mp_raise_ValueError(translate("Invalid frequency supplied"));
} }
return clock_get_hz(clk_sys);
} }
void common_hal_mcu_processor_get_uid(uint8_t raw_id[]) { void common_hal_mcu_processor_get_uid(uint8_t raw_id[]) {

7
shared-bindings/microcontroller/Processor.c
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@ -67,8 +67,11 @@
//| frequency: int //| frequency: int
//| """The CPU operating frequency in Hertz. //| """The CPU operating frequency in Hertz.
//| //|
//| **Limitations:** Setting the ``frequency`` is possible on RP2040 boards and some i.MX boards. //| **Limitations:** On most boards, ``frequency`` is read-only. Setting
//| On most boards, ``frequency`` is read-only. //| the ``frequency`` is possible on RP2040 boards and some i.MX boards.
//|
//| .. warning:: On RP2040 boards changing the frequency may cause issues
//| with other subsystems, such as USB, PWM, and PIO.
//| """ //| """
#if CIRCUITPY_SETTABLE_PROCESSOR_FREQUENCY #if CIRCUITPY_SETTABLE_PROCESSOR_FREQUENCY

2
shared-bindings/microcontroller/Processor.h
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@ -39,6 +39,6 @@ mcu_reset_reason_t common_hal_mcu_processor_get_reset_reason(void);
float common_hal_mcu_processor_get_temperature(void); float common_hal_mcu_processor_get_temperature(void);
void common_hal_mcu_processor_get_uid(uint8_t raw_id[]); void common_hal_mcu_processor_get_uid(uint8_t raw_id[]);
float common_hal_mcu_processor_get_voltage(void); float common_hal_mcu_processor_get_voltage(void);
uint32_t common_hal_mcu_processor_set_frequency(mcu_processor_obj_t *self, uint32_t frequency); void common_hal_mcu_processor_set_frequency(mcu_processor_obj_t *self, uint32_t frequency);
#endif // MICROPY_INCLUDED_SHARED_BINDINGS_MICROCONTROLLER_PROCESSOR_H #endif // MICROPY_INCLUDED_SHARED_BINDINGS_MICROCONTROLLER_PROCESSOR_H