therm Changeset - 235f584ead39 · protofusion repositories

Changeset - 235f584ead39

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Child rev.

[Not reviewed]

cortex-f0

0 9 0

Ethan Zonca - 10 years ago 2015-11-25 19:03:24
ez@ethanzonca.com

More testing of flash stuff that doesn't exactly work

9 files changed with 116 insertions and 210 deletions:

display.c

flash.c

140

flash.h

main.c

max31855.c

max31865.c

states.h

stm32f042c6_flash.ld

syslib.c

0 comments (0 inline, 0 general)

display.c

➞

Show inline comments

@@ @@ -10,525 +10,525 @@ @@
 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)
 uint8_t trigger_drawsetpoint = 1;
 int16_t last_temp = 21245;
 void display_process(therm_settings_t* set, therm_status_t* status)
+{
     uint8_t last_state = status->state;
     uint8_t temp_changed = status->temp != last_temp;
     last_temp = status->temp;
     uint8_t sw_btn = !HAL_GPIO_ReadPin(SW_BTN);
     uint8_t sw_up = !HAL_GPIO_ReadPin(SW_UP);
     uint8_t sw_down = !HAL_GPIO_ReadPin(SW_DOWN);
     uint8_t sw_left = !HAL_GPIO_ReadPin(SW_LEFT);
     uint8_t sw_right = !HAL_GPIO_ReadPin(SW_RIGHT);
     switch(status->state)
+    {
         // Idle state
         case STATE_IDLE:
+        {
             // Write text to OLED
             // [ therm :: idle ]
             ssd1306_DrawString("therm :: idle ", 0, 40);
             status->pid_enabled = 0;
             if(temp_changed) {
                 char tempstr[6];
                 itoa_fp(status->temp, status->temp_frac, tempstr);
                 ssd1306_DrawString("Temp: ", 3, 40);
                 ssd1306_DrawString("    ", 3, 72);
                 ssd1306_DrawString(tempstr, 3, 72);
+            }
             ssd1306_drawlogo();
             switch(goto_mode) {
                 case 3:
+                {
                     ssd1306_DrawString("-> loader   ", 1, 40);
                 } break;
                 case 2:
+                {
                     ssd1306_DrawString("-> heat     ", 1, 40);
                 } break;
                 case 1:
+                {
                     ssd1306_DrawString("-> setup    ", 1, 40);
                 } break;
                 case 0:
+                {
                     ssd1306_DrawString("-> reset    ", 1, 40);
+                }
+            }
             // Button handler
             if(SW_BTN_PRESSED) {
                 switch(goto_mode) {
                     case 3:
+                    {
                         ssd1306_clearscreen();
                         ssd1306_DrawString("Bootloader Entered", 0, 0);
                         ssd1306_DrawString("Device won't boot", 2, 0);
                         ssd1306_DrawString("until reflashed!", 3, 0);
                         bootloader_enter(); // Resets into bootloader
                         status->state = STATE_IDLE; // Just in case
                     } break;
                     case 2:
                         status->state = STATE_PREHEAT_BREW;
                         break;
                     case 1:
                         status->state = STATE_SETP;
                         break;
                     case 0:
                         status->state = STATE_IDLE;
-                        flash_erase(set);
+                        //flash_erase();
                         NVIC_SystemReset();
                         break;
                     default:
                         status->state = STATE_PREHEAT_BREW;
+                }
+            }
             else if(SW_UP_PRESSED && goto_mode < 3) {
                 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(set->k_p, tempstr, 10);
+            itoa(set->val.k_p, tempstr, 10);
             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) {
                 status->state = STATE_SETI;
+            }
             else {
                 user_input(&set->k_p);
+                user_input(&set->val.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(set->k_i, tempstr, 10);
+            itoa(set->val.k_i, tempstr, 10);
             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) {
                 status->state = STATE_SETD;
+            }
             else {
                 user_input(&set->k_i);
+                user_input(&set->val.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(set->k_d, tempstr, 10);
+            itoa(set->val.k_d, tempstr, 10);
             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) {
                 status->state = STATE_SETWINDUP;
+            }
             else {
                 user_input(&set->k_d);
+                user_input(&set->val.k_d);
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETWINDUP:
+        {
             // Write text to OLED
             // [ therm :: set windup ]
             // [ g = 12         ]
             ssd1306_DrawString("Windup Guard", 0, 40);
             ssd1306_drawlogo();
             char tempstr[6];
             itoa(set->windup_guard, tempstr, 10);
+            itoa(set->val.windup_guard, tempstr, 10);
             ssd1306_DrawString("G=", 1, 45);
             ssd1306_DrawString("    ", 1, 57);
             ssd1306_DrawString(tempstr, 1, 57);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler
             if(SW_BTN_PRESSED) {
                 status->state = STATE_SETBOOTTOBREW;
+            }
             else {
                 user_input(&set->windup_guard);
+                user_input(&set->val.windup_guard);
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETBOOTTOBREW:
+        {
             // Write text to OLED
             // [ therm :: set windup ]
             // [ g = 12         ]
             ssd1306_DrawString("Start on Boot", 0, 40);
             ssd1306_drawlogo();
             ssd1306_DrawString("sob=", 1, 45);
             if(set->boottobrew)
+            if(set->val.boottobrew)
                 ssd1306_DrawString("Enabled ", 1, 70);
             else
                 ssd1306_DrawString("Disabled", 1, 70);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler
             if(SW_BTN_PRESSED) {
                 status->state = STATE_SETUNITS;
+            }
             else if(!HAL_GPIO_ReadPin(SW_UP)) {
                 set->boottobrew = 1;
+                set->val.boottobrew = 1;
+            }
             else if(!HAL_GPIO_ReadPin(SW_DOWN)) {
                 set->boottobrew = 0;
+                set->val.boottobrew = 0;
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETUNITS:
+        {
             // Write text to OLED
             // [ therm :: set windup ]
             // [ g = 12         ]
             ssd1306_DrawString("Units: ", 0, 40);
             ssd1306_drawlogo();
             if(set->temp_units == TEMP_UNITS_FAHRENHEIT)
+            if(set->val.temp_units == TEMP_UNITS_FAHRENHEIT)
                 ssd1306_DrawString("Fahrenheit", 1, 60);
             else
                 ssd1306_DrawString("Celsius   ", 1, 60);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler
             if(SW_BTN_PRESSED) {
                 status->state = STATE_SETTEMPOFFSET;
+            }
             else if(!HAL_GPIO_ReadPin(SW_UP)) {
                 set->temp_units = TEMP_UNITS_FAHRENHEIT;
+                set->val.temp_units = TEMP_UNITS_FAHRENHEIT;
+            }
             else if(!HAL_GPIO_ReadPin(SW_DOWN)) {
                 set->temp_units = TEMP_UNITS_CELSIUS;
+                set->val.temp_units = TEMP_UNITS_CELSIUS;
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETTEMPOFFSET:
+        {
             // Write text to OLED
             // [ therm :: set temp offset ]
             // [ g = 12         ]
             ssd1306_DrawString("Temp Cal Offset", 0, 40);
             ssd1306_drawlogo();
             char tempstr[6];
             itoa(set->temp_offset, tempstr, 10);
+            itoa(set->val.temp_offset, tempstr, 10);
             ssd1306_DrawString("O=", 1, 45);
             ssd1306_DrawString("    ", 1, 57);
             ssd1306_DrawString(tempstr, 1, 57);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler
             if(SW_BTN_PRESSED) {
                 flash_save(&set);
                 status->state = STATE_IDLE;
+            }
             else {
                 user_input_signed(&set->temp_offset);
+                user_input_signed(&set->val.temp_offset);
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_PREHEAT_BREW:
+        {
             // Write text to OLED
             // [ therm : preheating brew ]
             // [ 30 => 120 C             ]
             ssd1306_DrawString("Preheating...", 0, 0);
             //ssd1306_drawlogo();
             draw_setpoint(status);
             status->pid_enabled = 1;
 	    status->setpoint = set->setpoint_brew;
+	    status->setpoint = set->val.setpoint_brew;
             // Button handler
             if(SW_BTN_PRESSED) {
 		save_setpoints(&set); // TODO: Check for mod
                 status->state = STATE_IDLE;
+            }
             else {
                 user_input(&set->setpoint_brew);
+                user_input(&set->val.setpoint_brew);
+            }
             // Event Handler
             if(status->temp >= status->setpoint) {
                 status->state = STATE_MAINTAIN_BREW;
+            }
         } break;
         case STATE_MAINTAIN_BREW:
+        {
             // Write text to OLED
             // [ therm : ready to brew ]
             // [ 30 => 120 C           ]
             ssd1306_DrawString("Preheated!", 0, 0);
             //ssd1306_drawlogo();
             draw_setpoint(status);
             status->pid_enabled = 1;
 	    status->setpoint = set->setpoint_brew;
+	    status->setpoint = set->val.setpoint_brew;
             // Button handler
             if(SW_BTN_PRESSED) {
 		save_setpoints(&set); // TODO: Check for mod
                 status->state = STATE_IDLE;
+            }
             else {
                 user_input(&set->setpoint_brew);
+                user_input(&set->val.setpoint_brew);
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_PREHEAT_STEAM:
+        {
             // Write text to OLED
             // [ therm : preheating steam ]
             // [ 30 => 120 C           ]
             ssd1306_DrawString("Preheating...", 0, 0);
             //ssd1306_drawlogo();
             draw_setpoint(status);
             status->pid_enabled = 1;
 	    status->setpoint = set->setpoint_steam;
+	    status->setpoint = set->val.setpoint_steam;
             // Button handler
             if(SW_BTN_PRESSED) {
                 status->state = STATE_IDLE;
 		save_setpoints(&set); // TODO: Check for mod
+            }
             else {
                 user_input(&set->setpoint_steam);
+                user_input(&set->val.setpoint_steam);
+            }
             // Event Handler
             if(status->temp >= status->setpoint) {
                 status->state = STATE_MAINTAIN_STEAM;
+            }
         } break;
         case STATE_MAINTAIN_STEAM:
+        {
             // Write text to OLED
             // [ therm : ready to steam ]
             // [ 30 => 120 C            ]
             ssd1306_DrawString("Ready to Steam!", 0, 0);
             //ssd1306_drawlogo();
             draw_setpoint(status);
             status->pid_enabled = 1;
 	    status->setpoint = set->setpoint_steam;
+	    status->setpoint = set->val.setpoint_steam;
             // Button handler
             if(SW_BTN_PRESSED) {
                 status->state = STATE_IDLE;
 		save_setpoints(&set); // TODO: Check for mod
+            }
             else {
                 user_input(&set->setpoint_steam);
+                user_input(&set->val.setpoint_steam);
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_TC_ERROR:
+        {
             // Write text to OLED
             // [ therm : ready to steam ]
             // [ 30 => 120 C            ]
             ssd1306_DrawString("Error:              ", 0, 0);
             char tempstr[6];
             itoa(status->tc_errno, tempstr, 10);
             ssd1306_DrawString(tempstr, 0, 57);
             if(status->tc_errno == 1)
                 ssd1306_DrawString("    TC Open Circuit", 1, 0);
             else if(status->tc_errno == 4)
                 ssd1306_DrawString("    TC Short to GND", 1, 0);
             else if(status->tc_errno == 8)
                 ssd1306_DrawString("    TC Short to VCC", 1, 0);
             else
                 ssd1306_DrawString("#?, Unknown Error", 1, 0);
             ssd1306_DrawString("                    ", 2, 0);
             ssd1306_DrawString("-> to ignore all or", 2, 0);
             ssd1306_DrawString("press to continue", 3, 0);
             // Button handler
             if(SW_BTN_PRESSED) {
                 status->state = STATE_IDLE;
+            }
             else if(SW_RIGHT_PRESSED) {
                 set->ignore_tc_error = 1;
+                set->val.ignore_tc_error = 1;
                 status->state = STATE_IDLE;
+            }
             // Event Handler
             // Maybe handle if TC is plugged in
             // N/A
         } break;
         // Something is terribly wrong
         default:
+        {
             status->state = STATE_IDLE;
             status->pid_enabled = 0;
         } break;
+    }
     if(last_state != status->state) {
         // Clear screen on state change
         goto_mode = 2;
         trigger_drawsetpoint = 1;
         ssd1306_clearscreen();
+    }
     // Last buttonpress
     sw_btn_last = sw_btn;
     sw_up_last = sw_up;
     sw_down_last = sw_down;
     sw_left_last = sw_left;
     sw_right_last = sw_right;
+}
 int32_t temp_last = 43002;
 int32_t setpoint_last = 10023;
 void draw_setpoint(therm_status_t* status) {
     // FIXME: need to do this when switching modes too
     if(status->temp != temp_last || trigger_drawsetpoint) {
         char tempstr[3];
         itoa_fp(status->temp, status->temp_frac, tempstr);
         ssd1306_DrawStringBig("      ", 3, 0);
         ssd1306_DrawStringBig(tempstr, 3, 0);
+    }
     if(trigger_drawsetpoint)
         ssd1306_DrawStringBig(">", 3, 74);
     if(status->setpoint != setpoint_last || trigger_drawsetpoint) {
         char tempstr[3];
         itoa(status->setpoint, tempstr, 10);
         ssd1306_DrawStringBig("   ", 3, 90);
         ssd1306_DrawStringBig(tempstr, 3, 90);
+    }
     trigger_drawsetpoint = 0;
     setpoint_last = status->setpoint;
     temp_last = status->temp;
+}
 // vim:softtabstop=4 shiftwidth=4 expandtab

flash.c

➞

Show inline comments

 #include "stm32f0xx_hal.h"
 #include "ssd1306.h"
 #include "stm32f0xx_hal_flash.h"
 #include "flash.h"
 void flash_init(therm_settings_t* tosave)
+{
     ssd1306_clearscreen();
     uint16_t size = sizeof(therm_settings_t)-1;
     uint32_t flash_adr = END_ADDR - size;
     flash_adr -= 2;
     uint8_t* flash_ptr = (uint8_t *)flash_adr;
     // Check if flash is blank
     uint16_t i = 0;
     uint16_t count = 0;
 __attribute__((__section__(".eeprom"))) uint16_t eeprom[512];
     char tempstr[10];
     itoa(flash_adr, tempstr, 10);
     ssd1306_DrawString(tempstr, 1, 0);
     uint16_t test;
     for(i=0;i<size;i++)
+    {
         test = *flash_ptr;
         if(test==0xFF) count++;
+    }
     ssd1306_DrawString("END LOOP ", 0, 0);
     // If blank, do nothing and just use values from RAM
     count = size + 1;
     // If not blank, check the checksums
     if(count != size)
+    {
         ssd1306_DrawString("FLASH NOT BLANK", 1, 0);
         // Calculate Checksums
         uint8_t cksum0=0,cksum1=0;
         uint8_t rdSum0=0,rdSum1=0;
 static void __flash_write(therm_settings_t* tosave);
         flash_adr = END_ADDR - size;
         flash_ptr = (uint8_t *)flash_adr;
         for(i=1; i < size; i++)
+        {
             cksum0 += *flash_ptr++;
             cksum1 += cksum0;
+        }
         // Read flash checksums
         flash_adr -= 2;
         flash_ptr = (uint8_t *)flash_adr;
         rdSum0 = *flash_ptr++;
         rdSum1 = *flash_ptr;
         // Compare Checksums values
         if((rdSum1==cksum1)&&(rdSum0==cksum0)) {
 	    ssd1306_DrawString("CHECKSUM OK", 2, 0);
 	    flash_read(tosave);
+	}
         else {
 	    ssd1306_DrawString("CHECKSUM BAD", 2, 0);
 	    return; // If the checksum is bad, just use vals from RAM
+	}
+    }
     else {
         ssd1306_DrawString("FLASH BLANK", 1, 0);
+    }
+}
 #define EEPROM_MAGIC_INDEX 16
 #define EEPROM_MAGIC_VALUE 0xbeef
 void flash_save(therm_settings_t* tosave)
+{
     ssd1306_clearscreen();
-    ssd1306_DrawString("BEGIN SAVE", 0, 0);
+    ssd1306_DrawString("Erase...", 0, 0);
     HAL_Delay(1500);
     flash_erase(tosave);
     flash_write(tosave);
     flash_checksum(tosave);
     ssd1306_DrawString("END SAVE", 2, 0);
     ssd1306_DrawString("Save...", 1, 0);
     __flash_write(tosave);
     HAL_Delay(1500);
     ssd1306_DrawString("Done!", 2, 0);
     HAL_Delay(1500);
+}
-void flash_read(therm_settings_t *tosave)
+void flash_restore(therm_settings_t *torestore)
+{
     ssd1306_clearscreen();
     ssd1306_DrawString("READING SAVE", 1, 0);
     char tempstr[10];
     itoa(sizeof(therm_settings_t), tempstr, 10);
     ssd1306_DrawString(tempstr, 2, 0);
     uint16_t size = sizeof(therm_settings_t)-1; // in Bytes
     uint32_t flash_adr = END_ADDR - size;
     uint8_t *flash_ptr = (uint8_t *)flash_adr;
     uint8_t *struct_ptr = (uint8_t*)tosave;
     if(eeprom[EEPROM_MAGIC_INDEX] != EEPROM_MAGIC_VALUE)
+    {
         ssd1306_DrawString("No data to read!", 2, 0);
         return;
+    }
     uint16_t i;
     for(i=0;i<size;i++)
         *struct_ptr++ = *flash_ptr++;
     for(i=0;i<128;i++)
         torestore->data[i] = *(eeprom+i);
     ssd1306_DrawString("READ COMPLETE", 3, 0);
+}
-void flash_write(therm_settings_t* tosave)
+static void __flash_write(therm_settings_t* tosave)
+{
     // Erase mem
     HAL_FLASH_Unlock();
     uint16_t size = sizeof(therm_settings_t)-1; // in Bytes
     uint32_t start_address = END_ADDR-size; // write to end of page
     uint32_t struct_ptr = (uint32_t*) tosave;
     // Erase the FLASH pages
     FLASH_EraseInitTypeDef erase;
     erase.TypeErase = TYPEERASE_PAGES;
     erase.PageAddress = eeprom;
     erase.NbPages = 1;
     uint32_t SectorError = 0;
     HAL_FLASHEx_Erase(&erase, &SectorError);
     uint16_t  length;
     if(size%2==0)
         length = size/2;
     else
         length = size/2+1;
     CLEAR_BIT(FLASH->CR, FLASH_CR_PER);
     uint16_t i;
     for(i=0;i<length;i++)
+    {
         HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, start_address, struct_ptr);
         struct_ptr++;
         start_address +=2;
+    }
 //    for(i=1;i<20;i++)
  //   {
   //      HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, eeprom+i, tosave->data[i]);
    // }
     HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, eeprom + EEPROM_MAGIC_INDEX, EEPROM_MAGIC_VALUE);
     HAL_FLASH_Lock();
+}
 void flash_checksum(therm_settings_t* tosave)
+{
     uint8_t cksum0=0,cksum1=0;
     uint16_t  i,size,checksum;
     uint32_t flash_adr;
     uint8_t  *flash_ptr;
     HAL_FLASH_Unlock();
     size = sizeof(*tosave)-1; // in Bytes
     flash_adr = END_ADDR-size;
     flash_ptr = (uint8_t *)flash_adr;
     for(i=1; i < size; i++)
+    {
         cksum0 += *flash_ptr++;
         cksum1 += cksum0;
+    }
     checksum = (cksum1<<8) | cksum0;
     flash_adr -= 2;
     HAL_FLASH_Program(TYPEPROGRAM_HALFWORD, flash_adr, checksum);
     HAL_FLASH_Lock();
+}
 void flash_erase(therm_settings_t* tosave)
+{
     uint8_t FLASHStatus = 1; // FLASH_COMPLETE=1
     uint32_t end_addr = END_ADDR;
     uint32_t NbrOfPage = abs( (sizeof(*tosave)-1)/0x400 )+1;   // Number of pages to be erased, most definitely 1 but hey, we might as well try to calculate it.
     uint32_t StartAddr = (end_addr+1) - (0x400*NbrOfPage);   // Starting address to be erased
     HAL_FLASH_Unlock();
     // Clear All pending flags
     //FLASH_ClearFlag(FLASH_FLAG_BSY | FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPERR);
     // Erase the FLASH pages
     FLASH_EraseInitTypeDef erase;
     erase.TypeErase = TYPEERASE_PAGES;
     erase.PageAddress = StartAddr;
     erase.NbPages = NbrOfPage;
     uint32_t SectorError = 0;
     FLASHStatus = HAL_FLASHEx_Erase(&erase, &SectorError);
     HAL_FLASH_Lock();
+}
 // vim:softtabstop=4 shiftwidth=4 expandtab

flash.h

➞

Show inline comments

 #ifndef FLASH_H
 #define FLASH_H
 #include "states.h"
 #define PAGE_SIZE ((uint16_t)0x400)
 #define END_ADDR 0x08007FFF
 void flash_init(therm_settings_t* tosave);
 void flash_save(therm_settings_t* tosave);
 void flash_read(therm_settings_t *tosave);
 void flash_write(therm_settings_t* tosave);
 void flash_checksum(therm_settings_t* tosave);
 void flash_erase(therm_settings_t* tosave);
 void flash_restore(therm_settings_t *tosave);
 void flash_erase(void);
 #endif

main.c

➞

Show inline comments

 #include "stm32f0xx_hal.h"
 #include "config.h"
 #include "syslib.h"
 #include "states.h"
 #include "ssd1306.h"
 #include "max31855.h"
 #include "gpio.h"
 #include "spi.h"
 #include "flash.h"
 #include "stringhelpers.h"
 #include "display.h"
 #include "storage.h"
 #include "usb_device.h"
 #include "usbd_cdc_if.h"
 // Prototypes
 void process();
 therm_settings_t set;
 therm_status_t status;
 // Globalish setting vars
 SPI_HandleTypeDef hspi1;
 static __IO uint32_t TimingDelay;
 void deinit(void)
+{
     HAL_DeInit();
+}
 volatile int i=0;
 int main(void)
+{
     // Initialize HAL
     hal_init();
     // Configure the system clock
     systemclock_config();
     // Unset bootloader option bytes (if set)
     void bootloader_unset(void);
     // Init GPIO
     init_gpio();
     // Init USB (TODO: Handle plugged/unplugged with external power)
     MX_USB_DEVICE_Init();
 //    set.usb_plugged =
+//    set.val.usb_plugged =
     // USB startup delay
     HAL_Delay(1000);
     HAL_GPIO_WritePin(LED_POWER, 1);
     // Enter into bootloader if up button pressed on boot
     if(!HAL_GPIO_ReadPin(SW_UP))
         bootloader_enter();
     // Init SPI busses
     init_spi();
     // Init OLED over SPI
     ssd1306_Init();
     ssd1306_clearscreen();
     // Default settings
     set.boottobrew = 0;
     set.temp_units = TEMP_UNITS_CELSIUS;
     set.windup_guard = 1;
     set.k_p = 1;
     set.k_i = 1;
     set.k_d = 1;
     set.ignore_tc_error = 0;
     set.setpoint_brew = 0;
     set.setpoint_steam = 0;
     set.val.boottobrew = 0;
     set.val.temp_units = TEMP_UNITS_CELSIUS;
     set.val.windup_guard = 1;
     set.val.k_p = 1;
     set.val.k_i = 1;
     set.val.k_d = 1;
     set.val.ignore_tc_error = 0;
     set.val.setpoint_brew = 0;
     set.val.setpoint_steam = 0;
     // Default status
     status.temp = 0;
     status.temp_frac = 0;
     status.state_resume = 0;
     status.state = STATE_IDLE;
     status.setpoint = 0;
     status.pid_enabled = 0;
     // Load settings (if any) from EEPROM
     restore_settings(&set);
     // Go to brew instead of idle if configured thusly
     if(set.boottobrew)
+    if(set.val.boottobrew)
       status.state = STATE_PREHEAT_BREW;
     // Startup screen
     ssd1306_DrawString("therm v0.2", 1, 40);
     ssd1306_DrawString("protofusion.org/therm", 3, 0);
     HAL_Delay(1500);
-    flash_init(&set);
+    flash_restore(&set);
     HAL_Delay(1500);
     ssd1306_clearscreen();
     // Main loop
     while(1)
+    {
         // Process sensor inputs
         process();
         // Run state machine
         display_process(&set, &status);
+    }
+}
 // 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;
 int32_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 = setpoint - temp; // TODO: Use fixed point fraction
   // Proportional component
   int32_t p_term = k_p * error;
   // Error accumulator (integrator)
   i_state += error;
   // to prevent the iTerm getting huge from 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
   int32_t windup_guard_res = set.windup_guard / k_i;
+  int32_t windup_guard_res = set.val.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;
   int32_t i_term = k_i * i_state;
   // Calculate differential term (slope since last iteration)
   int32_t d_term = (k_d * (status.temp - last_pid_temp));
   // Save temperature for next iteration
   last_pid_temp = status.temp;
   last_pid_temp_frac = status.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_vcp_tx = 0;
 uint32_t last_led = 0;
 uint32_t last_pid = 0;
 int16_t ssr_output = 0; // Duty cycle of ssr, 0 to SSR_PERIOD
 // Turn SSR output on/off according to set duty cycle.
 // TODO: Eventually maybe replace with a very slow timer or something. Double-check this code...
 void process()
+{
     uint32_t ticks = HAL_GetTick();
     if(ticks - last_led > 400)
+    {
         last_led = ticks;
+    }
     if((ticks - last_pid > PID_PERIOD))
+    {
         #ifdef MAX31855_TC_SENSOR
         max31855_readtemp(&hspi1, &set, &status); // Read MAX31855
         #endif
         #ifdef MAX31865_RTD_SENSOR
         max31865_readtemp(&set, &status);
         #endif
     HAL_GPIO_TogglePin(LED_POWER);
         if(status.pid_enabled)
+        {
             // Get ssr output for next time
             int16_t power_percent = update_pid(set.k_p, set.k_i, set.k_d, status.temp, status.temp_frac, status.setpoint);
+            int16_t power_percent = update_pid(set.val.k_p, set.val.k_i, set.val.k_d, status.temp, status.temp_frac, status.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;
+        }
         last_pid = ticks;
+    }
     // Every 200ms, set the SSR on unless output is 0
     if((ticks - last_ssr_on > SSR_PERIOD))
+    {
         // Only support heating (ssr_output > 0) right now
         if(ssr_output > 0) {
             char tempstr[6];
             itoa(ssr_output, tempstr, 10);
             ssd1306_DrawString(tempstr, 0, 90);
             HAL_GPIO_WritePin(SSR_PIN, 1);
             last_ssr_on = ticks;
+        }
+    }
     // Kill SSR after elapsed period less than SSR_PERIOD
     if(ticks - last_ssr_on > ssr_output || ssr_output == 0)
+    {
         HAL_GPIO_WritePin(SSR_PIN, 0);
+    }
     if(ticks - last_vcp_tx > VCP_TX_FREQ)
+    {
         // Print temp to cdc
         char tempstr[16];
         itoa_fp(status.temp, status.temp_frac, tempstr);
         uint8_t numlen = strlen(tempstr);
         tempstr[numlen] = '\r';
         tempstr[numlen+1] = '\n';
 //        if(set.usb_plugged)
+//        if(set.val.usb_plugged)
 //            CDC_Transmit_FS(tempstr, numlen+2);
        // while(CDC_Transmit_FS("\r\n", 2) == USBD_BUSY);
         last_vcp_tx = ticks;
+    }
+}
 // vim:softtabstop=4 shiftwidth=4 expandtab

max31855.c

➞

Show inline comments

 #include "stm32f0xx_hal.h"
 #include "config.h"
 #include "stringhelpers.h"
 #include "states.h"
 #include "gpio.h"
 // Grab temperature reading from MAX31855
 void max31855_readtemp(SPI_HandleTypeDef* hspi1, therm_settings_t* set, therm_status_t* status)
+{
     // Assert CS
     HAL_GPIO_WritePin(MAX_CS, 0);
     uint8_t rxdatah[1] = {0x00};
     uint8_t rxdatal[1] = {0x00};
     HAL_SPI_Receive(hspi1, rxdatah, 1, 100);
     HAL_SPI_Receive(hspi1, rxdatal, 1, 100);
     // Release CS
     HAL_GPIO_WritePin(MAX_CS, 1);
     // Assemble data array into one var
     uint16_t temp_pre = rxdatal[0] | (rxdatah[0]<<8);
 /*
     if(temp_pre & 0b010) {
         ssd1306_clearscreen();
         HAL_Delay(400); // FIXME: remove?
         status.tc_errno = 4;
         status.state = STATE_TC_ERROR;
         status.temp = 0;
         status.temp_frac = 0;
     } */
     if(temp_pre & 0b001 && !set->ignore_tc_error) {
+    if(temp_pre & 0b001 && !set->val.ignore_tc_error) {
         status->tc_errno = 1;
         HAL_Delay(400); // FIXME: remove?
         status->state_resume = status->state;
         status->state = STATE_TC_ERROR;
         status->temp = 0;
         status->temp_frac = 0;
     }/*
     else if(temp_pre & 0b100 && !set.ignore_tc_error) {
         status.tc_errno = 8;
         HAL_Delay(400); // FIXME: remove?
         status.state_resume = status.state;
         status.state = STATE_TC_ERROR;
         status.temp = 0;
         status.temp_frac = 0;
     }*/
     else
+    {
         //if(status.state == STATE_TC_ERROR)
         //{
         //    status.state = status.state_resume;
         //    ssd1306_clearscreen();
         //}
         uint8_t sign = status->temp >> 15;// top bit is sign
         temp_pre = temp_pre >> 2; // Drop 2 lowest bits
         status->temp_frac = temp_pre & 0b11; // get fractional part
         status->temp_frac *= 25; // each bit is .25 a degree, up to fixed point
         temp_pre = temp_pre >> 2; // Drop 2 fractional bits
         int8_t signint;
         if(sign) {
             signint = -1;
+        }
         else {
             signint = 1;
+        }
         // Convert to Fahrenheit
         if(set->temp_units == TEMP_UNITS_FAHRENHEIT)
+        if(set->val.temp_units == TEMP_UNITS_FAHRENHEIT)
+        {
             status->temp = signint * ((temp_pre*100) + status->temp_frac);
             status->temp = status->temp * 1.8;
             status->temp += 3200;
             status->temp_frac = status->temp % 100;
             status->temp /= 100;
             status->temp += set->temp_offset;
+            status->temp += set->val.temp_offset;
+        }
         // Use Celsius values
         else
+        {
             status->temp = temp_pre * signint;
             status->temp += set->temp_offset;
+            status->temp += set->val.temp_offset;
+        }
+    }
+}
 // vim:softtabstop=4 shiftwidth=4 expandtab

max31865.c

➞

Show inline comments

 #include "stm32f0xx_hal.h"
 #include "config.h"
 #include "stringhelpers.h"
 #include "states.h"
 #include "gpio.h"
 // Registers
 #define MAX31855_REG_CONFIG 0x00
 #define MAX31855_REG_RTD_MSB 0x01
 #define MAX31855_REG_RTD_LSB 0x02
 #define MAX31855_REG_HFAULT_THRESH_MSB 0x03
 #define MAX31855_REG_HFAULT_THRESH_LSB 0x04
 #define MAX31855_REG_LFAULT_THRESH_MSB 0x05
 #define MAX31855_REG_LFAULT_THRESH_LSB 0x06
 #define MAX31855_REG_FAULTSTATUS 0x07
 #define MAX31855_REGWRITEMODIFIER 0x80
 // Fields
 #define MAX31865_CONF_VBIAS (1<<7)
 #define MAX31865_CONF_CONVMODE (1<<6)
 #define MAX31865_CONF_1SHOT (1<<5)
 #define MAX31865_CONF_3WIRE (1<<4)
 #define MAX31865_CONF_FAULT_NOACTION    0b0000
 #define MAX31865_CONF_FAULT_AUTODELAY   0b0100
 #define MAX31865_CONF_FAULT_MANUALELAY1 0b1000
 #define MAX31865_CONF_FAULT_MANUALELAY2 0b1100
 #define MAX31865_CONF_FAULT_CLEAR (1<<1)
 #define MAX31865_CONF_50_60HZ_FILTER (1<<0)
 // Grab temperature reading from MAX31865
 void max31865_readtemp(SPI_HandleTypeDef* hspi1, therm_settings_t* set, therm_status_t* status)
+{
     ///////////////////////////////////
     // This is duplicated from MAX31855, update for MAX31865 registers/etc
     ///////////////////////////////////
     // TODO: Set configuration register based on params in config.h (2-wire, 4-wire, etc RTD). This is register 0x00.
         // 2-wire RTC or 2-wire (duh) NTC thermistor will be the only options
         // Need option for resistance of RTD
         // These options should be stored in the set structure and should be menu-selectable
     // TODO: Read RTD msbs (0x01)
     // TODO: Read RTD LSBs (0x02)
     // Assert CS
     HAL_GPIO_WritePin(MAX_CS, 0);
     uint8_t rxdatah[1] = {0x00};
     uint8_t rxdatal[1] = {0x00};
     HAL_SPI_Receive(hspi1, rxdatah, 1, 100);
     HAL_SPI_Receive(hspi1, rxdatal, 1, 100);
     // Release CS
     HAL_GPIO_WritePin(MAX_CS, 1);
     // Assemble data array into one var
     uint16_t temp_pre = rxdatal[0] | (rxdatah[0]<<8);
     if(temp_pre & 0b001 && !set->ignore_tc_error) {
+    if(temp_pre & 0b001 && !set->val.ignore_tc_error) {
         status->tc_errno = 1;
         HAL_Delay(400); // FIXME: remove?
         status->state_resume = status->state;
         status->state = STATE_TC_ERROR;
         status->temp = 0;
         status->temp_frac = 0;
+    }
     else
+    {
         uint8_t sign = status->temp >> 15;// top bit is sign
         temp_pre = temp_pre >> 2; // Drop 2 lowest bits
         status->temp_frac = temp_pre & 0b11; // get fractional part
         status->temp_frac *= 25; // each bit is .25 a degree, up to fixed point
         temp_pre = temp_pre >> 2; // Drop 2 fractional bits
         int8_t signint;
         if(sign) {
             signint = -1;
+        }
         else {
             signint = 1;
+        }
         // Convert to Fahrenheit
         if(set->temp_units == TEMP_UNITS_FAHRENHEIT)
+        if(set->val.temp_units == TEMP_UNITS_FAHRENHEIT)
+        {
             status->temp = signint * ((temp_pre*100) + status->temp_frac);
             status->temp = status->temp * 1.8;
             status->temp += 3200;
             status->temp_frac = status->temp % 100;
             status->temp /= 100;
             status->temp += set->temp_offset;
+            status->temp += set->val.temp_offset;
+        }
         // Use Celsius values
         else
+        {
             status->temp = temp_pre * signint;
             status->temp += set->temp_offset;
+            status->temp += set->val.temp_offset;
+        }
+    }
+}
 // vim:softtabstop=4 shiftwidth=4 expandtab

states.h

➞

Show inline comments

 #ifndef STATES_H
 #define STATES_H
 typedef struct {
     int32_t temp;
     uint8_t temp_frac;
     uint8_t state_resume;
     uint8_t state;
     int32_t setpoint;
     uint8_t pid_enabled;
     uint8_t tc_errno;
 } therm_status_t;
 typedef struct {
     uint8_t boottobrew;
     uint8_t temp_units;
     uint16_t windup_guard;
     uint16_t k_p;
     uint16_t k_i;
     uint16_t k_d;
     int16_t temp_offset;
     uint8_t ignore_tc_error;
     int16_t setpoint_brew;
     int16_t setpoint_steam;
 typedef union
+{
      struct {
         uint32_t boottobrew;
         uint32_t temp_units;
         uint32_t windup_guard;
         uint32_t k_p;
         uint32_t k_i;
         uint32_t k_d;
         int32_t temp_offset;
         uint32_t ignore_tc_error;
         int32_t setpoint_brew;
         int32_t setpoint_steam;
     } val;
     uint16_t data[128];
 } therm_settings_t;
 enum tempunits {
     TEMP_UNITS_CELSIUS = 0,
     TEMP_UNITS_FAHRENHEIT,
 };
 enum state {
     STATE_IDLE = 0,
     STATE_SETP,
     STATE_SETI,
     STATE_SETD,
     STATE_SETSTEPS,
     STATE_SETWINDUP,
     STATE_SETBOOTTOBREW,
     STATE_SETUNITS,
     STATE_SETTEMPOFFSET,
     STATE_PREHEAT_BREW,
     STATE_MAINTAIN_BREW,
     STATE_PREHEAT_STEAM,
     STATE_MAINTAIN_STEAM,
     STATE_TC_ERROR
 };
 #endif

stm32f042c6_flash.ld

➞

Show inline comments

 /* Entry Point */
 ENTRY(Reset_Handler)
 /* Highest address of the user mode stack */
 _estack = 0x200017FF;    /* end of RAM */
 /* Generate a link error if heap and stack don't fit into RAM */
 _Min_Heap_Size = 0;      /* required amount of heap  */
 _Min_Stack_Size = 0x400; /* required amount of stack */
 /* Specify the memory areas */
 MEMORY
+{
 FLASH (rx)      : ORIGIN = 0x8000000, LENGTH = 32K
 FLASH (rx)      : ORIGIN = 0x8000000, LENGTH = 30K
 EEPROM (xrw)    : ORIGIN = 0x8007C00, LENGTH = 1K
 RAM (xrw)      : ORIGIN = 0x20000000, LENGTH = 6K
+}
 /* Define output sections */
 SECTIONS
+{
   /* The startup code goes first into FLASH */
   .isr_vector :
+  {
     . = ALIGN(4);
     KEEP(*(.isr_vector)) /* Startup code */
     . = ALIGN(4);
   } >FLASH
   /* The program code and other data goes into FLASH */
   .text :
+  {
     . = ALIGN(4);
     *(.text)           /* .text sections (code) */
     *(.text*)          /* .text* sections (code) */
     *(.glue_7)         /* glue arm to thumb code */
     *(.glue_7t)        /* glue thumb to arm code */
     *(.eh_frame)
     KEEP (*(.init))
     KEEP (*(.fini))
     . = ALIGN(4);
     _etext = .;        /* define a global symbols at end of code */
   } >FLASH
   /* Constant data goes into FLASH */
   .rodata :
+  {
     . = ALIGN(4);
     *(.rodata)         /* .rodata sections (constants, strings, etc.) */
     *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */
     . = ALIGN(4);
   } >FLASH
   .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
   .ARM : {
     __exidx_start = .;
     *(.ARM.exidx*)
     __exidx_end = .;
   } >FLASH
   .preinit_array     :
+  {
     PROVIDE_HIDDEN (__preinit_array_start = .);
     KEEP (*(.preinit_array*))
     PROVIDE_HIDDEN (__preinit_array_end = .);
   } >FLASH
   .init_array :
+  {
     PROVIDE_HIDDEN (__init_array_start = .);
     KEEP (*(SORT(.init_array.*)))
     KEEP (*(.init_array*))
     PROVIDE_HIDDEN (__init_array_end = .);
   } >FLASH
   .fini_array :
+  {
     PROVIDE_HIDDEN (__fini_array_start = .);
     KEEP (*(SORT(.fini_array.*)))
     KEEP (*(.fini_array*))
     PROVIDE_HIDDEN (__fini_array_end = .);
   } >FLASH
   /* used by the startup to initialize data */
   _sidata = LOADADDR(.data);
   /* Initialized data sections goes into RAM, load LMA copy after code */
   .data :
+  {
     . = ALIGN(4);
     _sdata = .;        /* create a global symbol at data start */
     *(.data)           /* .data sections */
     *(.data*)          /* .data* sections */
     . = ALIGN(4);
     _edata = .;        /* define a global symbol at data end */
   } >RAM AT> FLASH
   /* Uninitialized data section */
   . = ALIGN(4);
   .bss :
+  {
     /* This is used by the startup in order to initialize the .bss secion */
     _sbss = .;         /* define a global symbol at bss start */
     __bss_start__ = _sbss;
     *(.bss)
     *(.bss*)
     *(COMMON)
     . = ALIGN(4);
     _ebss = .;         /* define a global symbol at bss end */
     __bss_end__ = _ebss;
   } >RAM
   /* User_heap_stack section, used to check that there is enough RAM left */
   ._user_heap_stack :
+  {
     . = ALIGN(4);
     PROVIDE ( end = . );
     PROVIDE ( _end = . );
     . = . + _Min_Heap_Size;
     . = . + _Min_Stack_Size;
     . = ALIGN(4);
   } >RAM
   .eeprom :
+  {
     . = ALIGN(4);
       *(.eeprom)
     . = ALIGN(4);
   } >EEPROM
   /* Remove information from the standard libraries */
   /DISCARD/ :
+  {
     libc.a ( * )
     libm.a ( * )
     libgcc.a ( * )
+  }
   .ARM.attributes 0 : { *(.ARM.attributes) }
+}

syslib.c

➞

Show inline comments

 #include "stm32f0xx_hal.h"
 /* Notes:
 Need to have DFU jump right to the program to unset those option bytes, or somehow have dfu-util unset them. Probably try using the :leave parameter...
        Flashing a binary file to address 0x8004000 of device memory and ask the device to leave DFU mode:
          $ dfu-util -a 0 -s 0x08004000:leave -D /path/to/image.bin
 */
 // Unset bootloader option bytes
 void bootloader_unset(void)
+{
     FLASH_OBProgramInitTypeDef OBParam;
     HAL_FLASHEx_OBGetConfig(&OBParam);
     if(OBParam.USERConfig != 0xFF)
+    {
         OBParam.OptionType = OPTIONBYTE_USER;
         OBParam.USERConfig = 0xFF;
         HAL_FLASH_Unlock();
         HAL_FLASH_OB_Unlock();
         HAL_FLASHEx_OBErase();
         HAL_FLASHEx_OBProgram(&OBParam);
         HAL_FLASH_OB_Lock();
         HAL_FLASH_OB_Launch();
+    }
+}
 // See thread: https://my.st.com/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=https%3a%2f%2fmy.st.com%2fpublic%2fSTe2ecommunities%2fmcu%2fLists%2fcortex_mx_stm32%2fJump%20to%20USB%20DFU%20Bootloader%20in%20startup%20code%20on%20STM32F042&FolderCTID=0x01200200770978C69A1141439FE559EB459D7580009C4E14902C3CDE46A77F0FFD06506F5B&currentviews=185
 // Set option bytes to enter bootloader upon reset
 void bootloader_enter(void) {
     FLASH_OBProgramInitTypeDef OBParam;
     HAL_FLASHEx_OBGetConfig(&OBParam);
     // FIXME TODO: CHECK THESE OPTION BYTES, he was using an F1 processor. What about the switch flag?
     OBParam.OptionType = OPTIONBYTE_USER;
     /*Reset NBOOT0 and BOOT_SEL,  see: RM 2.5 Boot configuration*/
     OBParam.USERConfig = 0x77; //Sorry for magic number :)
     HAL_FLASH_Unlock();
     HAL_FLASH_OB_Unlock();
     HAL_FLASHEx_OBErase();
     HAL_FLASHEx_OBProgram(&OBParam);
     HAL_FLASH_OB_Lock();
     HAL_FLASH_Lock();
     HAL_FLASH_OB_Launch();
+}
 // Clock configuration
 void systemclock_config(void)
+{
   RCC_OscInitTypeDef RCC_OscInitStruct;
   RCC_ClkInitTypeDef RCC_ClkInitStruct;
   RCC_PeriphCLKInitTypeDef PeriphClkInit;
   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48;
   // Enable HSI48 for main system clock
   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48|RCC_OSCILLATORTYPE_HSI14;
   RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
   RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;
   RCC_OscInitStruct.HSI14CalibrationValue = 16;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
   HAL_RCC_OscConfig(&RCC_OscInitStruct);
   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI48;
   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
   HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);
   PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
   PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
   HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
   __SYSCFG_CLK_ENABLE();
+}

0 comments (0 inline, 0 general)