diff options
Diffstat (limited to 'ports/esp8266')
| -rw-r--r-- | ports/esp8266/esp_mphal.h | 9 | ||||
| -rw-r--r-- | ports/esp8266/modmachine.c | 30 |
2 files changed, 9 insertions, 30 deletions
diff --git a/ports/esp8266/esp_mphal.h b/ports/esp8266/esp_mphal.h index 0a4f92ac0b..fb2e441c97 100644 --- a/ports/esp8266/esp_mphal.h +++ b/ports/esp8266/esp_mphal.h @@ -27,11 +27,20 @@ #include "user_interface.h" #include "py/ringbuf.h" #include "shared/runtime/interrupt_char.h" +#include "ets_alt_task.h" #include "xtirq.h" #define MICROPY_BEGIN_ATOMIC_SECTION() esp_disable_irq() #define MICROPY_END_ATOMIC_SECTION(state) esp_enable_irq(state) +// During machine.time_pulse_us, feed WDT every now and then. +#define MICROPY_PY_MACHINE_TIME_PULSE_US_HOOK(dt) \ + do { \ + if ((dt & 0xffff) == 0xffff && !ets_loop_dont_feed_sw_wdt) { \ + system_soft_wdt_feed(); \ + } \ + } while (0) + void mp_sched_keyboard_interrupt(void); struct _mp_print_t; diff --git a/ports/esp8266/modmachine.c b/ports/esp8266/modmachine.c index 6ac17da457..d43fe38245 100644 --- a/ports/esp8266/modmachine.c +++ b/ports/esp8266/modmachine.c @@ -33,7 +33,6 @@ #include "os_type.h" #include "osapi.h" #include "etshal.h" -#include "ets_alt_task.h" #include "user_interface.h" // #define MACHINE_WAKE_IDLE (0x01) @@ -327,32 +326,3 @@ MP_DEFINE_CONST_OBJ_TYPE( print, esp_timer_print, locals_dict, &esp_timer_locals_dict ); - -// Custom version of this function that feeds system WDT if necessary -mp_uint_t machine_time_pulse_us(mp_hal_pin_obj_t pin, int pulse_level, mp_uint_t timeout_us) { - int nchanges = 2; - uint32_t start = system_get_time(); // in microseconds - for (;;) { - uint32_t dt = system_get_time() - start; - - // Check if pin changed to wanted value - if (mp_hal_pin_read(pin) == pulse_level) { - if (--nchanges == 0) { - return dt; - } - pulse_level = 1 - pulse_level; - start = system_get_time(); - continue; - } - - // Check for timeout - if (dt >= timeout_us) { - return (mp_uint_t)-nchanges; - } - - // Only feed WDT every now and then, to make sure edge timing is accurate - if ((dt & 0xffff) == 0xffff && !ets_loop_dont_feed_sw_wdt) { - system_soft_wdt_feed(); - } - } -} |