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mimxrt/modmachine: Implement soft_reset() and unique_id() functions.

This commit is contained in:
robert-hh 2021-09-12 17:57:01 +02:00 committed by Damien George
parent a12e318948
commit 6754213a9d
1 changed files with 19 additions and 0 deletions
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19
ports/mimxrt/modmachine.c
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@ -32,10 +32,12 @@
#include "extmod/machine_pulse.h"
#include "extmod/machine_signal.h"
#include "extmod/machine_spi.h"
#include "shared/runtime/pyexec.h"
#include "led.h"
#include "pin.h"
#include "modmachine.h"
#include "fsl_clock.h"
#include "fsl_ocotp.h"
#include "fsl_wdog.h"
#include CPU_HEADER_H
@ -48,6 +50,21 @@ typedef enum {
MP_SOFT_RESET
} reset_reason_t;
STATIC mp_obj_t machine_unique_id(void) {
unsigned char id[8];
OCOTP_Init(OCOTP, CLOCK_GetFreq(kCLOCK_IpgClk));
*(uint32_t *)&id[0] = OCOTP->CFG0;
*(uint32_t *)&id[4] = OCOTP->CFG1;
return mp_obj_new_bytes(id, sizeof(id));
}
MP_DEFINE_CONST_FUN_OBJ_0(machine_unique_id_obj, machine_unique_id);
STATIC mp_obj_t machine_soft_reset(void) {
pyexec_system_exit = PYEXEC_FORCED_EXIT;
mp_raise_type(&mp_type_SystemExit);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_soft_reset_obj, machine_soft_reset);
STATIC mp_obj_t machine_reset(void) {
WDOG_TriggerSystemSoftwareReset(WDOG1);
return mp_const_none;
@ -94,6 +111,8 @@ MP_DEFINE_CONST_FUN_OBJ_1(machine_enable_irq_obj, machine_enable_irq);
STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_umachine) },
{ MP_ROM_QSTR(MP_QSTR_unique_id), MP_ROM_PTR(&machine_unique_id_obj) },
{ MP_ROM_QSTR(MP_QSTR_soft_reset), MP_ROM_PTR(&machine_soft_reset_obj) },
{ MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&machine_reset_obj) },
{ MP_ROM_QSTR(MP_QSTR_reset_cause), MP_ROM_PTR(&machine_reset_cause_obj) },
{ MP_ROM_QSTR(MP_QSTR_freq), MP_ROM_PTR(&machine_freq_obj) },