diff --git a/Firmware/ultralcd.cpp b/Firmware/ultralcd.cpp index 084602a5..ff487e26 100644 --- a/Firmware/ultralcd.cpp +++ b/Firmware/ultralcd.cpp @@ -318,8 +318,8 @@ volatile uint8_t slow_buttons;//Contains the bits of the currently pressed butto #endif uint8_t currentMenuViewOffset; /* scroll offset in the current menu */ uint8_t lastEncoderBits; -uint32_t encoderPosition; -uint32_t savedEncoderPosition; +uint16_t encoderPosition; +uint16_t savedEncoderPosition; #if (SDCARDDETECT > 0) bool lcd_oldcardstatus; #endif @@ -6554,11 +6554,32 @@ static void lcd_quick_feedback() lcd_implementation_quick_feedback(); } +#define ENC_STACK_SIZE 3 +static uint8_t enc_stack[ENC_STACK_SIZE]; //encoder is originaly uint16, but for menu +static uint8_t enc_stack_cnt = 0; + +static void lcd_push_encoder(void) +{ + if (enc_stack_cnt >= ENC_STACK_SIZE) return; + enc_stack[enc_stack_cnt] = encoderPosition; + enc_stack_cnt++; +} + +static void lcd_pop_encoder(void) +{ + if (enc_stack_cnt == 0) return; + enc_stack_cnt--; + encoderPosition = enc_stack[enc_stack_cnt]; +} + + /** Menu action functions **/ static void menu_action_back(menuFunc_t data) { lcd_goto_menu(data); + lcd_pop_encoder(); } static void menu_action_submenu(menuFunc_t data) { + lcd_push_encoder(); lcd_goto_menu(data); } static void menu_action_gcode(const char* pgcode) {