therm Changeset - d4552b17855a · protofusion repositories

Changeset - d4552b17855a

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[Not reviewed]

cortex-f0

0 7 0

matthewreed - 9 years ago 2015-12-23 16:09:55

Resolved all compiler warnings

7 files changed with 34 insertions and 28 deletions:

display.c

display.h

gpio.c

gpio.h

main.c

ssd1306.c

ssd1306.h

0 comments (0 inline, 0 general)

display.c

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Show inline comments

 #include "stm32f0xx_hal.h"
 #include "ssd1306.h"
 #include "stringhelpers.h"
 #include "display.h"
 #include "config.h"
 #include "states.h"
 #include "syslib.h"
 #include "flash.h"
 #include "gpio.h"
 #ifdef MAX31865_RTD_SENSOR
 #include "max31865.h"
 #endif
 // Private function prototypes
 static void draw_setpoint(therm_status_t* status);
 // Button transition variables
 static uint8_t sw_btn_last = 0;
 static uint8_t sw_up_last = 0;
 static uint8_t sw_down_last = 0;
 static uint8_t sw_left_last = 0;
 static uint8_t sw_right_last = 0;
 // Buttonpress macros
 #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)
 // States
 static uint8_t trigger_drawsetpoint = 1;
 static int16_t last_temp = 21245;
 static uint8_t goto_mode = MODE_HEAT;
 static uint8_t reset_mode = RESET_REBOOT;
 // Display state machine
 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 MODE_HEAT:
+                {
                     ssd1306_drawstring("-> heat     ", 1, 40);
                 } break;
                 case MODE_SETUP:
+                {
                     ssd1306_drawstring("-> setup    ", 1, 40);
                 } break;
                 case MODE_RESET:
+                {
                     ssd1306_drawstring("-> reset    ", 1, 40);
                 } break;
 				#ifdef BOOTLOADER_SHORTCUT
                 case MODE_BOOTLOADER:
+                {
                     ssd1306_drawstring("-> dfu      ", 1, 40);
+                }
 				#endif
+            }
             // Button handler
             if(SW_BTN_PRESSED) {
                 switch(goto_mode) {
                     case MODE_HEAT:
                         status->state = STATE_PREHEAT;
                         break;
                     case MODE_SETUP:
                         status->state = STATE_SETP;
                         break;
                     case MODE_RESET:
                         status->state = STATE_RESET;
                         reset_mode = RESET_REBOOT;
                         break;
 					#ifdef BOOTLOADER_SHORTCUT
                     case MODE_BOOTLOADER:
                         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_RESET; // Just in case
                         break;
 					#endif
                     default:
                         status->state = STATE_PREHEAT;
+                }
+            }
             else if(SW_DOWN_PRESSED && goto_mode < (MODE_SIZE - 1)) {
                 goto_mode++;
+            }
             else if(SW_UP_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->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->val.k_p);
+                user_input((uint16_t*)&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->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->val.k_i);
+                user_input((uint16_t*)&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->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->val.k_d);
+                user_input((uint16_t*)&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->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->val.windup_guard);
+                user_input((uint16_t*)&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->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->val.boottobrew = 1;
+            }
             else if(!HAL_GPIO_ReadPin(SW_DOWN)) {
                 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->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->val.temp_units = TEMP_UNITS_FAHRENHEIT;
+            }
             else if(!HAL_GPIO_ReadPin(SW_DOWN)) {
                 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->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->val.temp_offset);
+                user_input_signed((int16_t*)(&set->val.temp_offset));
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_PREHEAT:
+        {
             // 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->val.setpoint_brew;
             // Button handler
             if(SW_BTN_PRESSED) {
                 status->state = STATE_IDLE;
+            }
             else {
                 user_input(&set->val.setpoint_brew);
+                user_input((uint16_t*)&set->val.setpoint_brew);
+            }
             // Event Handler
             if(status->temp >= status->setpoint) {
                 status->state = STATE_MAINTAIN;
+            }
         } break;
         case STATE_MAINTAIN:
+        {
             // 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->val.setpoint_brew;
             // Button handler
             if(SW_BTN_PRESSED) {
                 status->state = STATE_IDLE;
+            }
             else {
                 user_input(&set->val.setpoint_brew);
+                user_input((uint16_t*)&set->val.setpoint_brew);
+            }
             // Event Handler
             // N/A
         } break;
         // Thermocouple error
         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->error_code, tempstr, 10);
             ssd1306_drawstring(tempstr, 0, 57);
             //TODO: add RTD error codes
             if(status->error_code == 1)
                 ssd1306_drawstring("    TC Open Circuit", 1, 0);
             else if(status->error_code == 4)
                 ssd1306_drawstring("    TC Short to GND", 1, 0);
             else if(status->error_code == 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;
 				#ifdef MAX31865_RTD_SENSOR
 				max31865_clear_errors(spi_get());
 				#endif
+            }
             else if(SW_RIGHT_PRESSED) {
                 set->val.ignore_error = 1;
                 status->state = STATE_IDLE;
+            }
             // Event Handler
             // Maybe handle if TC is plugged in
             // N/A
         } break;
         // Reset state
         case STATE_RESET:
+        {
             // Write text to OLED
             // [ therm :: reset ]
             ssd1306_drawstring("therm :: reset ", 0, 40);
             status->pid_enabled = 0;
             ssd1306_drawlogo();
             switch(reset_mode) {
 				case RESET_DEFAULTS:
+				{
 					ssd1306_drawstring("-> defaults   ", 1, 40);
 				} break;
                 case RESET_BOOTLOADER:
+                {
                     ssd1306_drawstring("-> bootloader ", 1, 40);
                 } break;
                 case RESET_REBOOT:
+                {
                     ssd1306_drawstring("-> reboot     ", 1, 40);
                 } break;
                 case RESET_EXIT:
+                {
                     ssd1306_drawstring("-> exit       ", 1, 40);
                 } break;
+            }
             // Button handler
             if(SW_BTN_PRESSED) {
                 switch(reset_mode) {
                     case RESET_BOOTLOADER:
+                    {
                         ssd1306_clearscreen();
                         ssd1306_drawstring("Bootloader Entered", 0, 0);
                         ssd1306_drawstring("Device won't boot", 2, 0);
                         ssd1306_drawstring("until reflashed!", 3, 0);
                         HAL_Delay(1000);
                         bootloader_enter(); // Resets into bootloader
                         status->state = STATE_RESET; // Just in case
                     } break;
                     case RESET_DEFAULTS:
+                    {

display.h

➞

Show inline comments

 #ifndef DISPLAY_H
 #define DISPLAY_H
 #include <stdlib.h>
 #include "stm32f0xx_hal.h"
 #include "states.h"
 #include "ssd1306.h"
 #include "stringhelpers.h"
 #include "config.h"
 #include "states.h"
 #include "syslib.h"
 #include "flash.h"
 #include "gpio.h"
 #ifdef MAX31865_RTD_SENSOR
 #include "max31865.h"
 #endif
 void display_process(therm_settings_t* set, therm_status_t* status);
 #endif

gpio.c

➞

Show inline comments

 #include "gpio.h"
 #include "config.h"
 #include "stm32f0xx_hal_conf.h"
 #include <inttypes.h>
 // Increase on each press, and increase at a fast rate after duration elapsed of continuously holding down... somehow...
 static uint32_t change_time_reset = 0;
 // Increment/decrement unsigned variable with up/down buttons
 void user_input(uint16_t* to_modify)
+{
     if(CHANGE_ELAPSED) {
         if(!HAL_GPIO_ReadPin(SW_UP) ) {
             CHANGE_RESET;
             (*to_modify)++;
+        }
         else if(!HAL_GPIO_ReadPin(SW_DOWN) && (*to_modify) > 0) {
             CHANGE_RESET;
             (*to_modify)--;
+        }
+    }
+}
 // Increment/decrement signed variable with up/down buttons
 void user_input_signed(int16_t* to_modify)
+{
     // TODO: Bounds check on int16_t
     if(CHANGE_ELAPSED) {
         if(!HAL_GPIO_ReadPin(SW_UP) ) {
             CHANGE_RESET;
             (*to_modify)++;
+        }
         else if(!HAL_GPIO_ReadPin(SW_DOWN)) {
             CHANGE_RESET;
             (*to_modify)--;
+        }
+    }
+}
 // Initialize GPIO
 void gpio_init(void)
+{
   GPIO_InitTypeDef GPIO_InitStruct;
     /* GPIO Ports Clock Enable */
   __GPIOF_CLK_ENABLE();
   __GPIOA_CLK_ENABLE();
   __GPIOB_CLK_ENABLE();
   __SPI1_CLK_ENABLE();
   //////////////////
   // PORT F       //
   //////////////////
   // PORTF OUTPUT
   // Configure GPIO pin : PF0 [Power LED]
   GPIO_InitStruct.Pin = GPIO_PIN_0;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
   HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
   // PORTF UNUSED
   // Configure GPIO pin : PF1
   GPIO_InitStruct.Pin = GPIO_PIN_1;
   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
   //////////////////
   // PORT A       //
   //////////////////
   // PORT A OUTPUT
   // Configure GPIO pins : (SSR+ CS_OLED RES D/C CS_MAX)
   GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_15;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
   // PORTA INPUT
   // Configure GPIO pin : PA15
 //  GPIO_InitStruct.Pin = GPIO_PIN_15;
 //  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
 //  GPIO_InitStruct.Pull = GPIO_PULLUP;
 //  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
   // PORTA UNUSED
   // Configure GPIO pins : PA0 PA8
   GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_8;
   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

gpio.h

➞

Show inline comments

 #ifndef GPIO_H
 #define GPIO_H
 #include <inttypes.h>
 #include "stm32f0xx_hal.h"
 #include "stm32f0xx_hal_conf.h"
 #include "config.h"
 #define CHANGE_PERIOD_MS 100
 #define CHANGE_ELAPSED (HAL_GetTick() - change_time_reset) > CHANGE_PERIOD_MS
 #define CHANGE_RESET change_time_reset = HAL_GetTick()
 void user_input(uint16_t* to_modify);
 void user_input_signed(int16_t* to_modify);
 void gpio_init(void);
 #endif
 // vim:softtabstop=4 shiftwidth=4 expandtab

main.c

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Show inline comments

 #include "stm32f0xx_hal.h"
 #include "config.h"
 #include "syslib.h"
 #include "pid.h"
 #include "states.h"
 #include "ssd1306.h"
 #ifdef MAX31855_TC_SENSOR
 #include "max31855.h"
 #endif
 #ifdef MAX31865_RTD_SENSOR
 #include "max31865.h"
 #endif
 #include "gpio.h"
 #include "spi.h"
 #include "flash.h"
 #include "stringhelpers.h"
 #include "display.h"
 #include "usb_device.h"
 #include "usbd_cdc_if.h"
 therm_settings_t set;
 therm_status_t status;
 int main(void)
+{
     // Initialize HAL
     hal_init();
     // Configure the system clock
     systemclock_init();
     // Unset bootloader option bytes (if set)
     // FIXME this was never getting called. Try again sometime.
     //bootloader_unset();
     // Init GPIO
     gpio_init();
     // Init USB (TODO: Handle plugged/unplugged with external power)
     MX_USB_DEVICE_Init();
 //    set.val.usb_plugged =
     // USB startup delay
     HAL_Delay(500);
     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
     spi_init();
     #ifdef MAX31865_RTD_SENSOR
     max31865_config(spi_get());
     #endif
     // Init OLED over SPI
     ssd1306_init();
     ssd1306_clearscreen();
     // Default status
     status.temp = 0;
     status.temp_frac = 0;
     status.state_resume = 0;
     status.state = STATE_IDLE;
     status.setpoint = 70;
     status.pid_enabled = 0;
     // Go to brew instead of idle if configured thusly
     if(set.val.boottobrew)
       status.state = STATE_PREHEAT;
     // Startup screen
     ssd1306_drawstring("therm v0.2", 1, 40);
     ssd1306_drawstring("protofusion.org/therm", 3, 0);
     HAL_Delay(1000);
     // Restore settings from flash memory
     flash_restore(&set);
     HAL_Delay(1000);
     ssd1306_clearscreen();
     // Soft timers
     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
     // Main loop
     while(1)
+    {
         // Process sensor inputs
         if(HAL_GetTick() - last_led > 400)
+        {
             last_led = HAL_GetTick();
+        }
         if((HAL_GetTick() - last_pid > PID_PERIOD))
+        {
             #ifdef MAX31855_TC_SENSOR
             max31855_readtemp(spi_get(), &set, &status); // Read MAX31855
             #endif

ssd1306.c

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Show inline comments

@@ @@ -167,210 +167,208 @@ static const char fontData[][5] = @@
 //    {0x30,0x48,0x45,0x40,0x20},         //   (100)  ? - 0x00BF Inverted Question Mark
 //    {0x22,0x14,0x08,0x14,0x22},         //   (101)  x - 0x00D7 Multiplcation Sign
 //    {0x08,0x08,0x2A,0x08,0x08},         //   (102)  + - 0x00F7 Division Sign
 //    {0x18,0x14,0x08,0x14,0x0C},         //   (103)    - 0x221E Infinity
 //    {0x44,0x4A,0x4A,0x51,0x51},         //   (104)  < - 0x2264 Less-Than or Equal to
 //    {0x51,0x51,0x4A,0x4A,0x44},         //   (105)  > - 0x2265 Greater-Than or Equal to
 //    {0x54,0x14,0x64,0x08,0x70},         //   (106)  .: - RF Symbol
 //    {0x70,0x7C,0x72,0x7C,0x70},         //   (107)  ^ - Lock symbol
 //    {0x70,0x5C,0x52,0x54,0x70},         //   (108)  / - Unlock symbol
 //    {0x0C,0x1E,0x3C,0x1E,0x0C},         //   (109)  <3 - Heart Symbol
 //    {0x18,0x22,0xFF,0x12,0x0C},         //   (110)  U - USB Symbol
 };
 static void setStartPage(unsigned char d)
+{
     WriteCommand(0xB0|d);       // Set Page Start Address for Page Addressing Mode
                                 // Default => 0xB0 (0x00)
+}
 /* Below are functions used to configure the OLED */
 static void setStartColumn(unsigned char d)
+{
     WriteCommand(0x00+d%16);    // Set Lower Column Start Address for Page Addressing Mode
     WriteCommand(0x10+d/16);    // Set Higher Column Start Address for Page Addressing Mode
                                 // Default => 0x10
+}
 const uint8_t row[4][32] = {
 	{0x00,0x00,0x01,0x03,0x07,0x0F,0x1E,0x3C,0x3C,0x7C,0x7C,0x7C,0xFC,0xFF,0xFF,0xFC,0xFC,0xFC,0xFC,0xFF,0x7F,0x7F,0x7F,0x3C,0x3C,0x1C,0x0C,0x06,0x03,0x01,0x00,0x00},
 	{0x0F,0x7F,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x3F,0x3F,0x7F,0xFF,0xFF,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x7F,0x0F},
 	{0xF0,0xFE,0xFF,0xFF,0xFF,0xC7,0x00,0x00,0x00,0x00,0x87,0xC7,0xC7,0xFF,0xFF,0x00,0x00,0x00,0x00,0x87,0x87,0xC7,0xC3,0x03,0x07,0x07,0x0F,0x7F,0xFF,0xFF,0xFE,0xF0},
 	{0x00,0x00,0x80,0xC0,0xE0,0xF0,0xF8,0xFC,0xFC,0xFE,0xFE,0xFE,0xFF,0xFF,0xFF,0x1F,0x1F,0x1F,0x1F,0xFF,0xFE,0xFE,0xFE,0xFC,0xFC,0xF8,0xF0,0xE0,0xC0,0x80,0x00,0x00},
 };
 void ssd1306_clearscreen()
+{
     uint8_t i = 0;
     uint8_t page = 0;
     for(page = 0; page<4; page++)
+    {
         setStartPage(page);
         setStartColumn(0);
         for(i = 0; i<128; i++)
+        {
             WriteData(0x00);
+        }
+    }
     WriteData(0x00);
+}
 void ssd1306_drawlogo()
+{
     uint8_t i = 0;
     setStartPage(3);
     setStartColumn(0);
     for(i = 0; i<32; i++)
+    {
         WriteData(row[0][i]);
+    }
     WriteData(0x00);
     setStartPage(2);
     setStartColumn(0);
     for(i = 0; i<32; i++)
+    {
         WriteData(row[1][i]);
+    }
     WriteData(0x00);
     setStartPage(1);
     setStartColumn(0);
     for(i = 0; i<32; i++)
+    {
         WriteData(row[2][i]);
+    }
     WriteData(0x00);
     setStartPage(0);
     setStartColumn(0);
     for(i = 0; i<32; i++)
+    {
         WriteData(row[3][i]);
+    }
     WriteData(0x00);
+}
 /* Print a single character from font.cpp */
 void ssd1306_drawchar(char ascii, unsigned char row, unsigned char xPos)
+{
     char *srcPointer = -1;
     unsigned char i;
     const char *srcPointer = (char*)-1;
     srcPointer = &fontData[(ascii-32)][0];
     setStartPage(row);
     setStartColumn(xPos);
     for(i=0;i<5;i++)
+    for(uint8_t i = 0; i < 5; i++)
+    {
         WriteData(*srcPointer);
         srcPointer++;
+    }
     WriteData(0x00);
+}
 void ssd1306_drawcharbig(char ascii, unsigned char row, unsigned char xPos)
+{
     char *srcPointer = -1;
     unsigned char i;
     const char *srcPointer = (char*)-1;
     srcPointer = &fontData[(ascii-32)][0];
     setStartPage(row-1);
     setStartColumn(xPos);
     // Write first row
     for(i=0;i<5;i++)
+    for(uint8_t i = 0; i < 5; i++)
+    {
         uint8_t data = 0;
         data |= ((*srcPointer) & 0b1000) << 4; // get top 4 bits
         data |= ((*srcPointer) & 0b1000) << 3; // get top 4 bits
         data |= ((*srcPointer) & 0b0100) << 3; // get top 4 bits
         data |= ((*srcPointer) & 0b0100) << 2; // get top 4 bits
         data |= ((*srcPointer) & 0b0010) << 2; // get top 4 bits
         data |= ((*srcPointer) & 0b0010) << 1; // get top 4 bits
         data |= ((*srcPointer) & 0b0001) << 1; // get top 4 bits
         data |= ((*srcPointer) & 0b0001); // get top 4 bits
         WriteData(data);
         WriteData(data);
         srcPointer++;
+    }
     WriteData(0x00);
     srcPointer -= 5;
     setStartPage(row);
     setStartColumn(xPos);
     // Write second row
     for(i=0;i<5;i++)
+    for(uint8_t i = 0; i < 5; i++)
+    {
         uint8_t data = 0;
         data |=  (*srcPointer) & 0b10000000; // get top 4 bits
         data |= ((*srcPointer) & 0b10000000) >> 1; // get top 4 bits
         data |= ((*srcPointer) & 0b01000000) >> 1; // get top 4 bits
         data |= ((*srcPointer) & 0b01000000) >> 2; // get top 4 bits
         data |= ((*srcPointer) & 0b00100000) >> 2; // get top 4 bits
         data |= ((*srcPointer) & 0b00100000) >> 3; // get top 4 bits
         data |= ((*srcPointer) & 0b00010000) >> 3; // get top 4 bits
         data |= ((*srcPointer) & 0b00010000) >> 4; // get top 4 bits
         WriteData(data);
         WriteData(data);
         srcPointer++;
+    }
     WriteData(0x00);
+}
 void ssd1306_drawstring(const char *dataPtr, unsigned char row, unsigned char xPos)
+{
     char *srcPointer;
     srcPointer = (char*)dataPtr;
     ssd1306_drawchar(' ',row,xPos); // NBSP must be written first before the string start
     while(1)
+    {
         ssd1306_drawchar(*srcPointer,row,xPos);
         srcPointer++;
         xPos+=6;
         if(*srcPointer == 0) break;
+    }
+}
 void ssd1306_drawstringbig(const char *dataPtr, unsigned char row, unsigned char xPos)
+{
     char *srcPointer;
     srcPointer = (char*)dataPtr;
     ssd1306_drawcharbig(' ',row,xPos); // NBSP must be written first before the string start
     while(1)
+    {
         ssd1306_drawcharbig(*srcPointer,row,xPos);
         srcPointer++;
         xPos+=12;
         if(*srcPointer == 0) break;
+    }
+}
 // vim:softtabstop=4 shiftwidth=4 expandtab

ssd1306.h

➞

Show inline comments

 #ifndef   ssd1306_H
 #define   ssd1306_H
 #define   SSD_RESET       GPIOA,GPIO_PIN_3
 #define   SSD_A0          GPIOA,GPIO_PIN_4
 #define   SSD_CS          GPIOA,GPIO_PIN_2
 #define   SSD_Reset_Low()   HAL_GPIO_WritePin(SSD_RESET, 0)
 #define   SSD_Reset_High()  HAL_GPIO_WritePin(SSD_RESET, 1)
 #define   SSD_A0_Low()      HAL_GPIO_WritePin(SSD_A0, 0)
 #define   SSD_A0_High()     HAL_GPIO_WritePin(SSD_A0, 1)
 #define   SSD_CS_Low()      HAL_GPIO_WritePin(SSD_CS, 0)
 #define   SSD_CS_High()     HAL_GPIO_WritePin(SSD_CS, 1)
 #include "spi.h"
 // EMZ FIXME this won't really work
 #define   SPI_SendByte(data)  HAL_SPI_Transmit(spi_get(), &data, 1, 100)
 //#define SPI_SendByte(data)
 #define SPI_Wait()
 //#define   SPI_SendByte(data)  SPI_I2S_SendData(SPI1,data)
 //#define   SPI_Wait()       while(!(SPI1->SR&SPI_FLAG_TXE));while(SPI1->SR&SPI_FLAG_BSY);
 #include "stm32f0xx_hal_conf.h"
 void ssd1306_init(void);
 void ssd1306_drawchar(char ascii, unsigned char row, unsigned char xPos);
 void ssd1306_drawcharbig(char ascii, unsigned char row, unsigned char xPos);
 void ssd1306_drawstring(const char *dataPtr, unsigned char row, unsigned char xPos);
 void ssd1306_drawstringbig(const char *dataPtr, unsigned char row, unsigned char xPos);
 void ssd1306_drawlogo();
 void ssd1306_clearscreen();
 #endif
 // vim:softtabstop=4 shiftwidth=4 expandtab

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