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extmod/modmachine: Provide common implementation of disable/enable_irq.

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The ports esp32, mimxrt, rp2 and samd all shared exactly the same
implementation of machine.disable_irq() and machine.enable_irq(),
implemented in terms of MICROPY_{BEGIN,END}_ATOMIC_SECTION.  This commit
factors these implementations into extmod/modmachine.c.

The cc3200, esp8266, nrf, renesas-ra and stm32 ports do not yet use this
common implementation.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2023-11-27 11:43:15 +11:00
parent e1ec6af654
commit f523b86541
9 changed files with 27 additions and 64 deletions
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16
ports/samd/modmachine.c
View File

@@ -59,9 +59,6 @@
{ MP_ROM_QSTR(MP_QSTR_Timer), MP_ROM_PTR(&machine_timer_type) }, \
MICROPY_PY_MACHINE_RTC_ENTRY \
\
{ MP_ROM_QSTR(MP_QSTR_disable_irq), MP_ROM_PTR(&machine_disable_irq_obj) }, \
{ MP_ROM_QSTR(MP_QSTR_enable_irq), MP_ROM_PTR(&machine_enable_irq_obj) }, \
\
/* Class constants. */ \
/* Use numerical constants instead of the symbolic names, */ \
/* since the names differ between SAMD21 and SAMD51. */ \
@@ -111,19 +108,6 @@ STATIC void mp_machine_idle(void) {
MICROPY_EVENT_POLL_HOOK;
}
STATIC mp_obj_t machine_disable_irq(void) {
uint32_t state = MICROPY_BEGIN_ATOMIC_SECTION();
return mp_obj_new_int(state);
}
MP_DEFINE_CONST_FUN_OBJ_0(machine_disable_irq_obj, machine_disable_irq);
STATIC mp_obj_t machine_enable_irq(mp_obj_t state_in) {
uint32_t state = mp_obj_get_int(state_in);
MICROPY_END_ATOMIC_SECTION(state);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_1(machine_enable_irq_obj, machine_enable_irq);
STATIC mp_int_t mp_machine_reset_cause(void) {
#if defined(MCU_SAMD21)
return PM->RCAUSE.reg;

1
ports/samd/mpconfigport.h
View File

@@ -96,6 +96,7 @@
#define MICROPY_PY_MACHINE_INCLUDEFILE "ports/samd/modmachine.c"
#define MICROPY_PY_MACHINE_BARE_METAL_FUNCS (1)
#define MICROPY_PY_MACHINE_BOOTLOADER (1)
#define MICROPY_PY_MACHINE_DISABLE_IRQ_ENABLE_IRQ (1)
#define MICROPY_PY_OS (1)
#define MICROPY_PY_OS_INCLUDEFILE "ports/samd/modos.c"
#define MICROPY_READER_VFS (1)