therm Changeset - c02f990f1d3e · protofusion repositories

Changeset - c02f990f1d3e

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Ethan Zonca - 10 years ago 2014-11-14 23:05:11
ez@ethanzonca.com

Start prototyping multiple setpoint support

1 file changed with 62 insertions and 0 deletions:

main.c

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main.c

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@@ @@ -266,192 +266,254 @@ void process() @@
             char tempstr[6];
             itoa(ssr_output, tempstr);
             ssd1306_DrawString(tempstr, 0, 90);
             GPIO_SetBits(LED_STAT);
             GPIO_SetBits(SSR_PIN);
             last_ssr_on = ticks;
+        }
+    }
     // Kill SSR after elapsed period less than SSR_PERIOD
     if(ticks - last_ssr_on > ssr_output || ssr_output == 0)
+    {
         GPIO_ResetBits(LED_STAT);
         GPIO_ResetBits(SSR_PIN);
+    }
+}
 void draw_setpoint() {
     char tempstr[3];
     itoa_fp(temp, temp_frac, tempstr);
     ssd1306_DrawStringBig("      ", 3, 0);
     ssd1306_DrawStringBig(tempstr, 3, 0);
     ssd1306_DrawStringBig(">", 3, 74);
     itoa(setpoint, tempstr);
     ssd1306_DrawStringBig("    ", 3, 90);
     ssd1306_DrawStringBig(tempstr, 3, 90);
+}
 uint8_t goto_mode = 2;
 // State machine
 uint8_t sw_btn_last = 0;
 uint8_t sw_up_last = 0;
 uint8_t sw_down_last = 0;
 uint8_t sw_left_last = 0;
 uint8_t sw_right_last = 0;
 #define SW_BTN_PRESSED (sw_btn_last == 0 && sw_btn == 1) // rising edge on buttonpress
 #define SW_UP_PRESSED (sw_up_last == 0 && sw_up == 1)
 #define SW_DOWN_PRESSED (sw_down_last == 0 && sw_down == 1)
 #define SW_LEFT_PRESSED (sw_left_last == 0 && sw_left == 1)
 #define SW_RIGHT_PRESSED (sw_right_last == 0 && sw_right == 1)
 void save_settings()
+{
    Minimal_EEPROM_Unlock();
     // Try programming a word at an address divisible by 4
     Minimal_EEPROM_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_BOOTTOBREW, boottobrew);
     Minimal_EEPROM_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_WINDUP_GUARD, windup_guard);
     Minimal_EEPROM_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_K_P, k_p);
     Minimal_EEPROM_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_K_I, k_i);
     Minimal_EEPROM_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_K_D, k_d);
     Minimal_EEPROM_Lock();
+}
 void save_setpoints()
+{
     Minimal_EEPROM_Unlock();
     Minimal_EEPROM_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_BREWTEMP, setpoint_brew);
     Minimal_EEPROM_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_STEAMTEMP, setpoint_steam);
     Minimal_EEPROM_Lock();
+}
 // TODO: Make a struct that has all settings in it. Pass by ref to this func in a library.
 void restore_settings()
+{
     Minimal_EEPROM_Unlock();
     while(Minimal_FLASH_GetStatus()==FLASH_BUSY);
     boottobrew = (*(__IO uint32_t*)(EEPROM_BASE_ADDR + EEPROM_ADDR_BOOTTOBREW));
     while(Minimal_FLASH_GetStatus()==FLASH_BUSY);
     windup_guard = (*(__IO uint32_t*)(EEPROM_BASE_ADDR + EEPROM_ADDR_WINDUP_GUARD));
     while(Minimal_FLASH_GetStatus()==FLASH_BUSY);
     k_p = (*(__IO uint32_t*)(EEPROM_BASE_ADDR + EEPROM_ADDR_K_P));
     while(Minimal_FLASH_GetStatus()==FLASH_BUSY);
     k_i = (*(__IO uint32_t*)(EEPROM_BASE_ADDR + EEPROM_ADDR_K_I));
     while(Minimal_FLASH_GetStatus()==FLASH_BUSY);
     k_d = (*(__IO uint32_t*)(EEPROM_BASE_ADDR + EEPROM_ADDR_K_D));
     while(Minimal_FLASH_GetStatus()==FLASH_BUSY);
     setpoint_brew = (*(__IO uint32_t*)(EEPROM_BASE_ADDR + EEPROM_ADDR_BREWTEMP));
     while(Minimal_FLASH_GetStatus()==FLASH_BUSY);
     setpoint_steam = (*(__IO uint32_t*)(EEPROM_BASE_ADDR + EEPROM_ADDR_STEAMTEMP));
     Minimal_EEPROM_Lock();
+}
 int16_t last_temp = 21245;
 ///////////////////////////////////////////////////////////////////////////////////////
 /// freaking multiple setpoint support ///
 uint8_t step_duration[10];
 int16_t step_setpoint[10];
 uint8_t final_setpoint = 0;
 void stepper_init()
+{
     int i;
     for(i=0; i<10; i++)
+    {
         step_duration[i] = 0;
         step_setpoint[i] = 0;
+    }
+}
 void state_setstepper()
+{
     // Write text to OLED
     // [ step #1:: Duration: ### ]
     // [           Setpoint: ### ]
     char tempstr[6];
     itoa(stepnum, tempstr);
     ssd1306_DrawString("Step #", 0, 0);
     ssd1306_DrawString(tempstr, 0, 40);
     ssd1306_DrawString("Duration: ", 0, 5);
     itoa(step_duration[final_setpoint], tempstr);
     ssd1306_DrawString(tempstr, 0, 70);
     ssd1306_DrawString("Setpoint: ", 0, 0);
     itoa(step_setpoint[final_setpoint], tempstr);
     itoa(stepnum, tempstr);
     ssd1306_DrawString("Press to accept", 3, 40);
     // Button handler - TODO: increment max_step if pressed
     // return and go to next state otherwise
     if(SW_BTN_PRESSED) {
         state = STATE_SETSTEPPER;
         final_setpoint++
+    }
     else if(SW_LEFT_PRESSED) {
         state++; // go to next state or something
+    }
     else {
         user_input(&k_p);
+    }
     // Event Handler
     // N/A
+}
 // Multiple screens to set setpoint and duration on each screen
 // press center to go to the next one, and press left or right or something to confirm
 // When executing, complete on time AND(?) temperature. Maybe allow switching to OR via settings
 ////////////////////////////////////////////////////////////////////////////////////////////////
 void machine()
+{
     uint8_t last_state = state;
     uint8_t temp_changed = temp != last_temp;
     last_temp = temp;
     uint8_t sw_btn = !GPIO_ReadInputDataBit(SW_BTN);
     uint8_t sw_up = !GPIO_ReadInputDataBit(SW_UP);
     uint8_t sw_down = !GPIO_ReadInputDataBit(SW_DOWN);
     uint8_t sw_left = !GPIO_ReadInputDataBit(SW_LEFT);
     uint8_t sw_right = !GPIO_ReadInputDataBit(SW_RIGHT);
     switch(state)
+    {
         // Idle state
         case STATE_IDLE:
+        {
             // Write text to OLED
             // [ therm :: idle ]
             ssd1306_DrawString("therm :: idle ", 0, 40);
             pid_enabled = 0;
             if(temp_changed) {
                 char tempstr[6];
                 itoa_fp(temp, temp_frac, tempstr);
                 ssd1306_DrawString("Temp: ", 3, 40);
                 ssd1306_DrawString("    ", 3, 72);
                 ssd1306_DrawString(tempstr, 3, 72);
+            }
             ssd1306_drawlogo();
             switch(goto_mode) {
                 case 2:
+                {
                     ssd1306_DrawString("-> brew     ", 1, 40);
                 } break;
                 case 1:
+                {
                     ssd1306_DrawString("-> setup    ", 1, 40);
                 } break;
                 case 0:
+                {
                     ssd1306_DrawString("-> reset    ", 1, 40);
                 } break;
+            }
             // Button handler
             if(SW_BTN_PRESSED) {
                 switch(goto_mode) {
                     case 2:
                         state = STATE_PREHEAT_BREW;
                         break;
                     case 1:
                         state = STATE_SETP;
                         break;
                     case 0:
                         state = STATE_IDLE;
                         break;
                     default:
                         state = STATE_PREHEAT_BREW;
+                }
+            }
             else if(SW_UP_PRESSED && goto_mode < 2) {
                 goto_mode++;
+            }
             else if(SW_DOWN_PRESSED && goto_mode > 0) {
                 goto_mode--;
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETP:
+        {
             // Write text to OLED
             // [ therm :: set p ]
             // [ p = 12         ]
             ssd1306_DrawString("Proportional", 0, 40);
             ssd1306_drawlogo();
             char tempstr[6];
             itoa(k_p, tempstr);
             ssd1306_DrawString("P=", 1, 45);
             ssd1306_DrawString("    ", 1, 57);
             ssd1306_DrawString(tempstr, 1, 57);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler

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