https://www.electrodragon.com/product/intermittent-switching-mosfet-module-mcu-control/
Board map
board system voltage from LM317-dat == 5V
VOUT++ == VIN++
VOUT-- == mosfet control ON/FF to GND
template
| set | alt | pin | pin | alt | set |
|---|---|---|---|---|---|
| P0.5 | P0.4 | S2=down | |||
| P0.6 | P0.3 | ||||
| P0.7 | P0.2 | ||||
| P2.0 | P0.1 | S3=stop | |||
| P3.0 | P0.0 | ||||
| S1=set | P1.7 | P1.0 | S4=up | ||
| GND | P1.1 | ||||
| P1.6 | P1.2 | ||||
| VDD | P1.3 | ||||
| input | P1.5 | P1.4 |
SDK
- default flashed firmware with starting counting down from 255 to 0
workflow chart
START
|
v
main() init:
- Set_All_GPIO_Quasi_Mode, P15_Input_Mode
- P1SR/P0SR, UART init, display_init(), set key lines
|
v
+----------------------------------+
| while (1) |
| |
| check_boot() |--> (reads save_byte_3; sets test_flag)
| |
| printf("key2=%d, cfg=%d") |
| |
| key1_scan() |--> (debounce; increments k1_value on K1)
| |
| key_operate() |--> (if K2 pressed => cycle config_flag:
| | 0->1 (enter cfg1),
| | 1->2 (save k1 -> k1_val1),
| | 2->0 (save k1 -> k1_val2 + write flash))
| |
| boot_select() |--> switch(config_flag)
| | |
| |-- config_flag == 0 -------+--> route_active()
| | |
| | v
| | route_active():
| | - activeTime = read_APROM or test(2)
| | - for count = activeTime..0:
| | set_relay
| | flash_display(count) (multiplex display)
| | k2_state = key2_scan()
| | if k2_state==1: break (back to loop)
| | - when count==0: clr_relay ; route_deactive()
| |
| |-- config_flag == 1 -------+--> show k1_value on display (display_digis)
| | +--> k2_state = key2_scan()
| |
| `-- config_flag == 2 -------+--> show k1_value on display (dot=1)
| +--> k2_state = key2_scan()
+----------------------------------+
|
v
loop back to top of while