extmod/utime_mphal: Implement ticks_add(), add to all maintained ports.

esp8266/modutime.c

@@ -119,6 +119,7 @@ STATIC const mp_map_elem_t time_module_globals_table[] = {
     { MP_OBJ_NEW_QSTR(MP_QSTR_ticks_ms), (mp_obj_t)&mp_utime_ticks_ms_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_ticks_us), (mp_obj_t)&mp_utime_ticks_us_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_ticks_cpu), (mp_obj_t)&mp_utime_ticks_cpu_obj },
+    { MP_ROM_QSTR(MP_QSTR_ticks_add), MP_ROM_PTR(&mp_utime_ticks_add_obj) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_ticks_diff), (mp_obj_t)&mp_utime_ticks_diff_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_time), (mp_obj_t)&time_time_obj },
 };

extmod/utime_mphal.c

@@ -93,4 +93,12 @@ STATIC mp_obj_t time_ticks_diff(mp_obj_t end_in, mp_obj_t start_in) {
 }
 MP_DEFINE_CONST_FUN_OBJ_2(mp_utime_ticks_diff_obj, time_ticks_diff);
 
+STATIC mp_obj_t time_ticks_add(mp_obj_t ticks_in, mp_obj_t delta_in) {
+    // we assume that first argument come from ticks_xx so is small int
+    uint32_t ticks = MP_OBJ_SMALL_INT_VALUE(ticks_in);
+    uint32_t delta = (uint32_t)mp_obj_get_int(delta_in);
+    return MP_OBJ_NEW_SMALL_INT((ticks + delta) & MP_SMALL_INT_POSITIVE_MASK);
+}
+MP_DEFINE_CONST_FUN_OBJ_2(mp_utime_ticks_add_obj, time_ticks_add);
+
 #endif // MICROPY_PY_UTIME_MP_HAL

extmod/utime_mphal.h

@@ -34,3 +34,4 @@ MP_DECLARE_CONST_FUN_OBJ_0(mp_utime_ticks_ms_obj);
 MP_DECLARE_CONST_FUN_OBJ_0(mp_utime_ticks_us_obj);
 MP_DECLARE_CONST_FUN_OBJ_0(mp_utime_ticks_cpu_obj);
 MP_DECLARE_CONST_FUN_OBJ_2(mp_utime_ticks_diff_obj);
+MP_DECLARE_CONST_FUN_OBJ_2(mp_utime_ticks_add_obj);

stmhal/modutime.c

@@ -142,6 +142,7 @@ STATIC const mp_map_elem_t time_module_globals_table[] = {
     { MP_OBJ_NEW_QSTR(MP_QSTR_ticks_ms), (mp_obj_t)&mp_utime_ticks_ms_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_ticks_us), (mp_obj_t)&mp_utime_ticks_us_obj },
     { MP_OBJ_NEW_QSTR(MP_QSTR_ticks_cpu), (mp_obj_t)&mp_utime_ticks_cpu_obj },
+    { MP_ROM_QSTR(MP_QSTR_ticks_add), MP_ROM_PTR(&mp_utime_ticks_add_obj) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_ticks_diff), (mp_obj_t)&mp_utime_ticks_diff_obj },
 };
 

unix/modtime.c

@@ -152,6 +152,7 @@ STATIC const mp_rom_map_elem_t mp_module_time_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_time), MP_ROM_PTR(&mod_time_time_obj) },
     { MP_ROM_QSTR(MP_QSTR_ticks_ms), MP_ROM_PTR(&mp_utime_ticks_ms_obj) },
     { MP_ROM_QSTR(MP_QSTR_ticks_us), MP_ROM_PTR(&mp_utime_ticks_us_obj) },
+    { MP_ROM_QSTR(MP_QSTR_ticks_add), MP_ROM_PTR(&mp_utime_ticks_add_obj) },
     { MP_ROM_QSTR(MP_QSTR_ticks_diff), MP_ROM_PTR(&mp_utime_ticks_diff_obj) },
     { MP_ROM_QSTR(MP_QSTR_strftime), MP_ROM_PTR(&mod_time_strftime_obj) },
 };

zephyr/modutime.c

@@ -53,6 +53,7 @@ STATIC const mp_rom_map_elem_t mp_module_time_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_ticks_ms), MP_ROM_PTR(&mp_utime_ticks_ms_obj) },
     { MP_ROM_QSTR(MP_QSTR_ticks_us), MP_ROM_PTR(&mp_utime_ticks_us_obj) },
     { MP_ROM_QSTR(MP_QSTR_ticks_cpu), MP_ROM_PTR(&mp_utime_ticks_cpu_obj) },
+    { MP_ROM_QSTR(MP_QSTR_ticks_add), MP_ROM_PTR(&mp_utime_ticks_add_obj) },
     { MP_ROM_QSTR(MP_QSTR_ticks_diff), MP_ROM_PTR(&mp_utime_ticks_diff_obj) },
 };