therm Changeset - 08c52ee196d1 · protofusion repositories

Changeset - 08c52ee196d1

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[Not reviewed]

cortex-f0

0 3 1

Ethan Zonca - 10 years ago 2015-01-03 13:46:06
ez@ethanzonca.com

Added cube, etc

4 files changed with 188 insertions and 24 deletions:

eeprom_min.c

gpio.c

main.c

therm-cube.ioc

157

0 comments (0 inline, 0 general)

eeprom_min.c

➞

Show inline comments

 #include <inttypes.h>
 /*
 void Minimal_EEPROM_Unlock(void)
+{
   if((FLASH->PECR & FLASH_PECR_PELOCK) != RESET)
+  {
-    /* Unlocking the Data memory and FLASH_PECR register access*/
+    // Unlocking the Data memory and FLASH_PECR register access
     FLASH->PEKEYR = FLASH_PEKEY1;
     FLASH->PEKEYR = FLASH_PEKEY2;
+  }
+}
 void Minimal_EEPROM_Lock(void)
+{
   /* Set the PELOCK Bit to lock the data memory and FLASH_PECR register access */
   // Set the PELOCK Bit to lock the data memory and FLASH_PECR register access
   FLASH->PECR |= FLASH_PECR_PELOCK;
+}
 FLASH_Status Minimal_FLASH_GetStatus(void)
+{
   FLASH_Status FLASHstatus = FLASH_COMPLETE;
   if((FLASH->SR & FLASH_FLAG_BSY) == FLASH_FLAG_BSY)
+  {
     FLASHstatus = FLASH_BUSY;
+  }
   else
+  {
     if((FLASH->SR & (uint32_t)FLASH_FLAG_WRPERR)!= (uint32_t)0x00)
+    {
       FLASHstatus = FLASH_ERROR_WRP;
+    }
     else
+    {
       if((FLASH->SR & (uint32_t)0x1E00) != (uint32_t)0x00)
+      {
         FLASHstatus = FLASH_ERROR_PROGRAM;
+      }
       else
+      {
         FLASHstatus = FLASH_COMPLETE;
+      }
+    }
+  }
-  /* Return the FLASH Status */
+  // Return the FLASH Status
   return FLASHstatus;
+}
 FLASH_Status Minimal_FLASH_WaitForLastOperation(uint32_t Timeout)
+{
   __IO FLASH_Status status = FLASH_COMPLETE;
-  /* Check for the FLASH Status */
+  // Check for the FLASH Status
   status = Minimal_FLASH_GetStatus();
-  /* Wait for a FLASH operation to complete or a TIMEOUT to occur */
+  // Wait for a FLASH operation to complete or a TIMEOUT to occur
   while((status == FLASH_BUSY) && (Timeout != 0x00))
+  {
     status = Minimal_FLASH_GetStatus();
     Timeout--;
+  }
   if(Timeout == 0x00 )
+  {
     status = FLASH_TIMEOUT;
+  }
-  /* Return the operation status */
+  // Return the operation status
   return status;
+}
 void Minimal_EEPROM_ProgramWord(uint32_t Address, uint32_t Data)
+{
   // Wait for last operation to be completed
   FLASH_Status status = FLASH_COMPLETE;
   status = Minimal_FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
   if(status == FLASH_COMPLETE)
+  {
     *(__IO uint32_t *)Address = Data;
     // Wait for last operation to be completed
     status = Minimal_FLASH_WaitForLastOperation(FLASH_ER_PRG_TIMEOUT);
+  }
   // Return the Write Status
   return status;
+}
+*/

gpio.c

➞

Show inline comments

 #include "gpio.h"
 #include "config.h"
 extern volatile uint32_t ticks;
 // Increase on each press, and increase at a fast rate after duration elapsed of continuously holding down... somehow...
 uint32_t change_time_reset = 0;
 void user_input(uint16_t* to_modify)
+{
     if(CHANGE_ELAPSED) {
         if(!GPIO_ReadInputDataBit(SW_UP) ) {
             CHANGE_RESET;
             (*to_modify)++;
+        }
         else if(!GPIO_ReadInputDataBit(SW_DOWN) && (*to_modify) > 0) {
             CHANGE_RESET;
             (*to_modify)--;
+        }
+    }
+}
 void init_gpio(void) {
  GPIO_InitTypeDef GPIO_InitStruct;
+  GPIO_InitTypeDef GPIO_InitStruct;
   // Enable SPI clocks
   RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
   RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
   // Enable GPIO clocks
   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC|RCC_AHBPeriph_GPIOB|RCC_AHBPeriph_GPIOA, ENABLE);
   // Enable DMA clocks (Is AHB even the right thing???)
   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); // EMZ TODO get the right ones
   /*Configure GPIO pin : PC */
   GPIO_InitStruct.GPIO_Pin = GPIO_Pin_13;
   GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
   GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
   GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
   GPIO_InitStruct.GPIO_Speed = GPIO_Speed_400KHz;
   GPIO_Init(GPIOC, &GPIO_InitStruct);
   /*Configure GPIO pin : PB */
   GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_10|GPIO_Pin_12
                           |GPIO_Pin_9;
   GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
   GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
   GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
   GPIO_InitStruct.GPIO_Speed = GPIO_Speed_400KHz;
   GPIO_Init(GPIOB, &GPIO_InitStruct);
   /*Configure GPIO pin : PA */
   GPIO_InitStruct.GPIO_Pin = GPIO_Pin_15;
   GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
   GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
   GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
   GPIO_InitStruct.GPIO_Speed = GPIO_Speed_400KHz;
   GPIO_Init(GPIOA, &GPIO_InitStruct);
   /*Configure GPIO pin : PB */
   GPIO_InitStruct.GPIO_Pin = GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6
                           |GPIO_Pin_7;
   GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN;
   GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_UP;
   GPIO_Init(GPIOB, &GPIO_InitStruct);
   /** SPI1 GPIO Configuration
   PA5   ------> SPI1_SCK
   PA7   ------> SPI1_MOSI
   */
   /*Enable or disable the AHB peripheral clock */
   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
   /*Configure GPIO pin : PA: MOSI,SCK */
   GPIO_InitStruct.GPIO_Pin = GPIO_Pin_5|GPIO_Pin_7;
   GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF;
   GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
   GPIO_InitStruct.GPIO_Speed = GPIO_Speed_10MHz;
   GPIO_Init(GPIOA, &GPIO_InitStruct);
   /*Configure GPIO pin alternate function */
   GPIO_PinAFConfig(GPIOA, GPIO_PinSource5, GPIO_AF_SPI1);
   /*Configure GPIO pin alternate function */
   GPIO_PinAFConfig(GPIOA, GPIO_PinSource7, GPIO_AF_SPI1);
   /** SPI2 GPIO Configuration
   PB13   ------> SPI2_SCK
   PB14   ------> SPI2_MISO
   PB15   ------> SPI2_MOSI
   */
   /*Enable or disable the AHB peripheral clock */
   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
 // SPI PINSSS
+  // SPI PINSSS
   /*Configure GPIO pin : PB, MOSI, SCK */
   GPIO_InitStruct.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_15;
   GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF;
   GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
   GPIO_InitStruct.GPIO_Speed = GPIO_Speed_10MHz;
   GPIO_Init(GPIOB, &GPIO_InitStruct);
  GPIO_InitTypeDef GPIO_InitStruct2;
 // MISO
   GPIO_InitTypeDef GPIO_InitStruct2;
   // MISO
   GPIO_InitStruct2.GPIO_Pin = GPIO_Pin_14;
   GPIO_InitStruct2.GPIO_Mode = GPIO_Mode_AF;
   GPIO_InitStruct2.GPIO_PuPd = GPIO_PuPd_NOPULL;
   GPIO_InitStruct2.GPIO_Speed = GPIO_Speed_10MHz;
   GPIO_Init(GPIOB, &GPIO_InitStruct2);
   //Configure GPIO pin alternate function
   GPIO_PinAFConfig(GPIOB, GPIO_PinSource13, GPIO_AF_SPI2);
   GPIO_PinAFConfig(GPIOB, GPIO_PinSource14, GPIO_AF_SPI2);
   GPIO_PinAFConfig(GPIOB, GPIO_PinSource15, GPIO_AF_SPI2);
   /** USB GPIO Configuration
   PA11   ------> USB_DM
   PA12   ------> USB_DP
   */
   /*Enable or disable the AHB peripheral clock */
   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
+  //RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
   GPIO_InitTypeDef GPIO_InitStruct3;
+  //GPIO_InitTypeDef GPIO_InitStruct3;
   /*Configure GPIO pin : PA */
   GPIO_InitStruct3.GPIO_Pin = GPIO_Pin_11|GPIO_Pin_12;
   GPIO_InitStruct3.GPIO_Mode = GPIO_Mode_AF;
   GPIO_InitStruct3.GPIO_PuPd = GPIO_PuPd_NOPULL;
   GPIO_InitStruct3.GPIO_Speed = GPIO_Speed_10MHz;
   GPIO_InitStruct3.GPIO_OType = GPIO_OType_PP;
   GPIO_Init(GPIOA, &GPIO_InitStruct3);
   GPIO_SetBits(GPIOA, GPIO_Pin_12); // emz test
   GPIO_PinAFConfig(GPIOA, GPIO_PinSource11, GPIO_AF_USB);
   GPIO_PinAFConfig(GPIOA, GPIO_PinSource12, GPIO_AF_USB);
   //GPIO_InitStruct3.GPIO_Pin = GPIO_Pin_11|GPIO_Pin_12;
   //GPIO_InitStruct3.GPIO_Mode = GPIO_Mode_AF;
   //GPIO_InitStruct3.GPIO_PuPd = GPIO_PuPd_NOPULL;
   //GPIO_InitStruct3.GPIO_Speed = GPIO_Speed_10MHz;
   //GPIO_InitStruct3.GPIO_OType = GPIO_OType_PP;
   //GPIO_Init(GPIOA, &GPIO_InitStruct3);
   //GPIO_SetBits(GPIOA, GPIO_Pin_12); // emz test
   //GPIO_PinAFConfig(GPIOA, GPIO_PinSource11, GPIO_AF_USB);
   //GPIO_PinAFConfig(GPIOA, GPIO_PinSource12, GPIO_AF_USB);
+}
 // vim:softtabstop=4 shiftwidth=4 expandtab

main.c

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Show inline comments

@@ @@ -154,433 +154,437 @@ void update_temp() { @@
     // This may not clock at all... might need to send 16 bits first
     SPI_I2S_SendData(SPI2, 0xAAAA); // send dummy data
     //SPI_I2S_SendData(SPI2, 0xAA); // send dummy data
     uint16_t temp_pre = SPI_I2S_ReceiveData(SPI2);
     if(temp_pre & 0b0000000000000010) {
         ssd1306_DrawString("Fatal Error", 3, 35);
         state = STATE_TC_ERROR;
+    }
     else if(temp_pre & 0b0000000000000001 && !ignore_tc_error) {
         state_resume = state;
         state = STATE_TC_ERROR;
         temp = 0;
         temp_frac = 0;
+    }
     else
+    {
         if(state == STATE_TC_ERROR)
+        {
             state = state_resume;
             ssd1306_clearscreen();
+        }
         uint8_t sign = temp >> 15;// top bit is sign
         temp_pre = temp_pre >> 2; // Drop 2 lowest bits
         temp_frac = temp_pre & 0b11; // get fractional part
         temp_frac *= 25; // each bit is .25 a degree, up to fixed point
         temp_pre = temp_pre >> 2; // Drop 2 fractional bits
         if(sign) {
             temp = -temp_pre;
+        }
         else {
             temp = temp_pre;
+        }
         if(temp_units == TEMP_UNITS_FAHRENHEIT) {
             temp *= 9; // fixed point mul by 1.8
             temp /= 5;
             temp += 32;
             temp_frac *= 9;
             temp_frac /= 5;
             temp_frac += 32;
             temp += temp_frac/100; // add overflow to above
             temp_frac %= 100;
+        }
+    }
     // Deassert CS
     delay(1);
     GPIO_SetBits(MAX_CS);
+}
 // PID implementation
 // TODO: Make struct that has the last_temp and i_state in it, pass by ref. Make struct that has other input values maybe.
 int16_t last_pid_temp = 0;
 uint8_t last_pid_temp_frac = 0;
 int16_t i_state = 0;
 int16_t update_pid(uint16_t k_p, uint16_t k_i, uint16_t k_d, int16_t temp, uint8_t temp_frac, int16_t setpoint)
+{
   // Calculate instantaneous error
   int16_t error = (int16_t)setpoint - (int16_t)temp; // TODO: Use fixed point fraction
   // Proportional component
   int16_t p_term = k_p * error;
   // Error accumulator (integrator)
   i_state += error;
   // to prevent the iTerm getting huge despite lots of
   //  error, we use a "windup guard"
   // (this happens when the machine is first turned on and
   // it cant help be cold despite its best efforts)
   // not necessary, but this makes windup guard values
   // relative to the current iGain
   int16_t windup_guard_res = windup_guard / k_i;
   // Calculate integral term with windup guard
   if (i_state > windup_guard_res)
     i_state = windup_guard_res;
   else if (i_state < -windup_guard_res)
     i_state = -windup_guard_res;
   int16_t i_term = k_i * i_state;
   // Calculate differential term (slope since last iteration)
   int16_t d_term = (k_d * (temp - last_pid_temp));
   // Save temperature for next iteration
   last_pid_temp = temp;
   last_pid_temp_frac = temp_frac;
   int16_t result = p_term + i_term - d_term;
   // Put out tenths of percent, 0-1000.
   if(result > 1000)
     result = 1000;
   else if(result < -1000)
     result = -1000;
   // Return feedback
   return result;
+}
 uint32_t last_ssr_on = 0;
 uint32_t last_led = 0;
 int32_t setpoint = 0;
 int16_t ssr_output = 0; // Duty cycle of ssr, 0 to SSR_PERIOD
 uint8_t pid_enabled = 0;
 // Process things
 void process()
+{
     update_temp(); // Read MAX31855
     // TODO: Add calibration offset (linear)
     if(ticks - last_led > 400)
+    {
         GPIO_ToggleBits(LED_POWER);
         last_led = ticks;
+    }
     // Every 200ms, set the SSR on unless output is 0
     if((ticks - last_ssr_on > SSR_PERIOD))
+    {
         if(pid_enabled)
+        {
             // Get ssr output for next time
             int16_t power_percent = update_pid(k_p, k_i, k_d, temp, temp_frac, setpoint);
             //power-percent is 0-1000
             ssr_output = power_percent; //(((uint32_t)SSR_PERIOD * (uint32_t)10 * (uint32_t)100) * power_percent) / (uint32_t)1000000;
+        }
         else
+        {
             ssr_output = 0;
+        }
         // Only support heating (ssr_output > 0) right now
         if(ssr_output > 0) {
             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_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_UNITS, temp_units);
     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();
+/*    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));
     while(Minimal_FLASH_GetStatus()==FLASH_BUSY);
     temp_units = (*(__IO uint32_t*)(EEPROM_BASE_ADDR + EEPROM_ADDR_UNITS));
     Minimal_EEPROM_Lock();
+    Minimal_EEPROM_Lock(); */
+}
 int16_t last_temp = 21245;
 ///////////////////////////////////////////////////////////////////////////////////////
 /// freaking multiple setpoint support ///
 uint8_t step_duration[10] = {0,0,0,0,0,0,0,0,0,0};
 int16_t step_setpoint[10] = {0,0,0,0,0,0,0,0,0,0};
 uint8_t final_setpoint = 0;
 // 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("-> heat     ", 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
             if(SW_BTN_PRESSED) {
                 state = STATE_SETI;
+            }
             else {
                 user_input(&k_p);
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETI:
+        {
             // Write text to OLED
             // [ therm :: set i ]
             // [ i = 12         ]
             ssd1306_DrawString("Integral", 0, 40);
             ssd1306_drawlogo();
             char tempstr[6];
             itoa(k_i, tempstr);
             ssd1306_DrawString("I=", 1, 45);
             ssd1306_DrawString("    ", 1, 57);
             ssd1306_DrawString(tempstr, 1, 57);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler
             if(SW_BTN_PRESSED) {
                 state = STATE_SETD;
+            }
             else {
                 user_input(&k_i);
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETD:
+        {
             // Write text to OLED
             // [ therm :: set d ]
             // [ d = 12         ]
             ssd1306_DrawString("Derivative", 0, 40);
             ssd1306_drawlogo();
             char tempstr[6];
             itoa(k_d, tempstr);
             ssd1306_DrawString("D=", 1, 45);
             ssd1306_DrawString("    ", 1, 57);
             ssd1306_DrawString(tempstr, 1, 57);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler
             if(SW_BTN_PRESSED) {
                 state = STATE_SETWINDUP;
+            }
             else {
                 user_input(&k_d);
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETSTEPS:
+        {
             // Write text to OLED
             // [ step #1:: Duration: ### ]
             // [           Setpoint: ### ]
             char tempstr[6];
             itoa(final_setpoint, tempstr);

therm-cube.ioc

➞

Show inline comments

@@ new file 100644 @@
 #MicroXplorer Configuration settings - do not modify
 #Fri Nov 14 22:42:15 EST 2014
 File.Version=4
 KeepUserPlacement=false
 Mcu.Family=STM32F0
 Mcu.IP0=NVIC
 Mcu.IP1=RCC
 Mcu.IP2=SPI1
 Mcu.IP3=SYS
 Mcu.IP4=USART1
 Mcu.IP5=USB
 Mcu.IP6=USB_DEVICE
 Mcu.IPNb=7
 Mcu.Name=STM32F042K(4-6)Ux
 Mcu.Package=UFQFPN32
 Mcu.Pin0=PA1
 Mcu.Pin1=PA2
 Mcu.Pin10=PA12
 Mcu.Pin11=PA13
 Mcu.Pin12=PA14
 Mcu.Pin13=PA15
 Mcu.Pin14=PB3
 Mcu.Pin15=PB4
 Mcu.Pin16=PB5
 Mcu.Pin17=PB6
 Mcu.Pin18=PB7
 Mcu.Pin19=PB8
 Mcu.Pin2=PA3
 Mcu.Pin20=VP_RCC_USB
 Mcu.Pin21=VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS
 Mcu.Pin3=PA4
 Mcu.Pin4=PA5
 Mcu.Pin5=PA6
 Mcu.Pin6=PA7
 Mcu.Pin7=PA9
 Mcu.Pin8=PA10
 Mcu.Pin9=PA11
 Mcu.PinsNb=22
 Mcu.UserName=STM32F042K6Ux
 NVIC.SysTick_IRQn=true\:0\:0
 NVIC.USB_IRQn=true\:0\:0
 PA1.Locked=true
 PA1.Signal=GPIO_Output
 PA10.Locked=true
 PA10.Mode=Asynchronous
 PA10.Signal=USART1_RX
 PA11.Locked=true
 PA11.Mode=Device
 PA11.Signal=USB_DM
 PA12.Mode=Device
 PA12.Signal=USB_DP
 PA13.Locked=true
 PA13.Mode=Serial-WireDebug
 PA13.Signal=SYS_SWDIO
 PA14.Mode=Serial-WireDebug
 PA14.Signal=SYS_SWCLK
 PA15.Locked=true
 PA15.Signal=GPIO_Output
 PA2.Locked=true
 PA2.Signal=GPIO_Output
 PA3.Locked=true
 PA3.Signal=GPIO_Output
 PA4.Locked=true
 PA4.Signal=GPIO_Output
 PA5.Locked=true
 PA5.Mode=Full_Duplex_Master
 PA5.Signal=SPI1_SCK
 PA6.Locked=true
 PA6.Mode=Full_Duplex_Master
 PA6.Signal=SPI1_MISO
 PA7.Locked=true
 PA7.Mode=Full_Duplex_Master
 PA7.Signal=SPI1_MOSI
 PA9.Locked=true
 PA9.Mode=Asynchronous
 PA9.Signal=USART1_TX
 PB3.Locked=true
 PB3.Signal=GPIO_Input
 PB4.Locked=true
 PB4.Signal=GPIO_Input
 PB5.Locked=true
 PB5.Signal=GPIO_Input
 PB6.Locked=true
 PB6.Signal=GPIO_Input
 PB7.Locked=true
 PB7.Signal=GPIO_Input
 PB8.Locked=true
 PB8.Signal=GPIO_Output
 PCC.Family=STM32F0
 PCC.MCU=STM32F042K(4-6)Ux
 PCC.MXVersion=4.4.0
 PCC.PartNumber=STM32F042K6Ux
 PCC.Seq0=0
 PCC.SubFamily=STM32F0x2
 PCC.Temperature=25
 PCC.Vdd=3.6
 RCC.CECEnable-ClockTree=false
 RCC.EnableHSE-ClockTree=false
 RCC.EnableHSERTCDevisor-ClockTree=false
 RCC.EnableLSE-ClockTree=false
 RCC.EnableLSERTC-ClockTree=false
 RCC.EnableMCOMultDivisor-ClockTree=false
 RCC.FLatency-AdvancedSettings=FLASH_LATENCY_0
 RCC.FamilyName=M
 RCC.HSEState-ClockTree=RCC_HSE_OFF
 RCC.HSI14State-ClockTree=RCC_HSI14_OFF
 RCC.HSI48State-ClockTree=RCC_HSI48_ON
 RCC.HSIState-ClockTree=RCC_HSI_ON
 RCC.I2C1Enable-ClockTree=false
 RCC.IPParameters=OscillatorTypeHSE-ClockTree,RTCEnable-ClockTree,EnableLSE-ClockTree,CECEnable-ClockTree,ReloadValue-AdvancedSettings,PLLCLKFreq_Value,FamilyName,PREFETCH_ENABLE-AdvancedSettings,OscillatorTypeHSI48-ClockTree,USBEnable-ClockTree,HSI14State-ClockTree,PLLMCOFreq_Value,IWDGEnable-ClockTree,HSI48State-ClockTree,FLatency-AdvancedSettings,EnableLSERTC-ClockTree,USART2Enable-ClockTree,Source-AdvancedSettings,VCOOutput2Freq_Value,MCOEnable-ClockTree,OscillatorTypeHSI-ClockTree,EnableMCOMultDivisor-ClockTree,I2C1Enable-ClockTree,HSIState-ClockTree,LSIState-ClockTree,PLLState-ClockTree,RCC_PERIPHCLK_USART1Var-ClockTree,USART1Enable-ClockTree,HSEState-ClockTree,EnableHSE-ClockTree,EnableHSERTCDevisor-ClockTree,OscillatorTypeLSI-ClockTree
 RCC.IWDGEnable-ClockTree=false
 RCC.LSIState-ClockTree=RCC_LSI_OFF
 RCC.MCOEnable-ClockTree=false
 RCC.OscillatorTypeHSE-ClockTree=
 RCC.OscillatorTypeHSI-ClockTree=RCC_OSCILLATORTYPE_HSI
 RCC.OscillatorTypeHSI48-ClockTree=RCC_OSCILLATORTYPE_HSI48
 RCC.OscillatorTypeLSI-ClockTree=
 RCC.PLLCLKFreq_Value=16000000
 RCC.PLLMCOFreq_Value=16000000
 RCC.PLLState-ClockTree=RCC_PLL_OFF
 RCC.PREFETCH_ENABLE-AdvancedSettings=0
 RCC.RCC_PERIPHCLK_USART1Var-ClockTree=RCC_PERIPHCLK_USART1
 RCC.RTCEnable-ClockTree=false
 RCC.ReloadValue-AdvancedSettings=__HAL_RCC_CRS_CALCULATE_RELOADVALUE(48000000,
 RCC.Source-AdvancedSettings=RCC_CRS_SYNC_SOURCE_USB
 RCC.USART1Enable-ClockTree=true
 RCC.USART2Enable-ClockTree=false
 RCC.USBEnable-ClockTree=true
 RCC.VCOOutput2Freq_Value=8000000
 SPI1.DataSize-Full_Duplex_Master=SPI_DATASIZE_8BIT
 SPI1.Direction-Full_Duplex_Master=SPI_DIRECTION_2LINES
 SPI1.IPParameters=Direction-Full_Duplex_Master,VirtualType-Full_Duplex_Master,TIMode-Full_Duplex_Master,Mode-Full_Duplex_Master,DataSize-Full_Duplex_Master,NSS-Full_Duplex_Master
 SPI1.Mode-Full_Duplex_Master=SPI_MODE_MASTER
 SPI1.NSS-Full_Duplex_Master=SPI_NSS_SOFT
 SPI1.TIMode-Full_Duplex_Master=SPI_TIMODE_DISABLED
 SPI1.VirtualType-Full_Duplex_Master=VM_MASTER
 USART1.BaudRate=115200
 USART1.HwFlowCtl-Asynchronous=UART_HWCONTROL_NONE
 USART1.IPParameters=VirtualMode-Asynchronous,BaudRate,HwFlowCtl-Asynchronous,WordLength-Asynchronous
 USART1.VirtualMode-Asynchronous=VM_ASYNC
 USART1.WordLength-Asynchronous=UART_WORDLENGTH_7B
 USB.IPParameters=phy_itface-Device,speed-Device
 USB.phy_itface-Device=PCD_PHY_EMBEDDED
 USB.speed-Device=PCD_SPEED_FULL
 USB_DEVICE.CLASS_NAME-CDC_FS=CDC
 USB_DEVICE.IPParameters=CLASS_NAME-CDC_FS,VirtualModeFS,VirtualMode,USBD_HandleTypeDef,hUsbDevice-CDC_FS,USBD_HandleTypeDef-CDC_FS,VirtualModeFS-CDC_FS,VirtualMode-CDC_FS
 USB_DEVICE.USBD_HandleTypeDef=hUsbDeviceFS
 USB_DEVICE.USBD_HandleTypeDef-CDC_FS=hUsbDeviceFS
 USB_DEVICE.VirtualMode=Cdc
 USB_DEVICE.VirtualMode-CDC_FS=Cdc
 USB_DEVICE.VirtualModeFS=Cdc_FS
 USB_DEVICE.VirtualModeFS-CDC_FS=Cdc_FS
 USB_DEVICE.hUsbDevice-CDC_FS=hDeviceDuSmolt
 VP_RCC_USB.Mode=CRS SYNC Source USB
 VP_RCC_USB.Signal=RCC_USB
 VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS.Mode=CDC_FS
 VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS.Signal=USB_DEVICE_VS_USB_DEVICE_CDC_FS

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