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Changeset - a48d9ffdc5db

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Ethan Zonca - 10 years ago 2014-07-03 13:04:24
ezonca@sealandaire.com

Oled driver updates and pin assignment fixes

2 files changed with 36 insertions and 54 deletions:

libraries/oleddrv/bsp.h

ssd1306.c

0 comments (0 inline, 0 general)

libraries/oleddrv/bsp.h

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 #ifndef BSP_H
 #define BSP_H
 /**
   IO Connection map
        SSD1303
   Vcc   1  2  Gnd
 D1/Data 3  4  D0/Clk
     D3  5  6  D2
     D5  7  8  D4
     D7  9 10  D6
     WR 11 12  RD
    RES 13 14  A0  (1-data,0-command)
    CS  15 16  C86 (1-8080, 0-SPI)
        STM32
   D0/Clk    PB13/SPI2 Clk
   D1/Data   PB15/SPI2 MOSI
   RES       PB12
   A0        PB14
   CS        Gnd
   D2~D7     (Float)
   WR        (Float)
   RD        (Float)
  */
 #define   SSD_Clk         GPIOB,GPIO_Pin_13
 #define   SSD_Data        GPIOB,GPIO_Pin_15
 #define   SSD_Reset       GPIOD,GPIO_Pin_12
 #define   SSD_A0          GPIOD,GPIO_Pin_14
 #define   SSD_CS          //GPIOG,GPIO_Pin_2
 #define   SSD_Clk         GPIOA,GPIO_Pin_5
 #define   SSD_Data        GPIOA,GPIO_Pin_7
 #define   SSD_Reset       GPIOB,GPIO_Pin_2
 #define   SSD_A0          GPIOB,GPIO_Pin_10
 #define   SSD_CS          GPIOB,GPIO_Pin_1
 #define   SSD_Clk_Low()     GPIOB->BRR = GPIO_Pin_13
 #define   SSD_Clk_High()    GPIOB->BSRR = GPIO_Pin_13
 #define   SSD_Data_Low()    GPIOB->BRR = GPIO_Pin_15
 #define   SSD_Data_High()   GPIOB->BSRR = GPIO_Pin_15
 #define   SSD_Reset_Low()   GPIOB->BRR = GPIO_Pin_12
 #define   SSD_Reset_High()  GPIOB->BSRR = GPIO_Pin_12
 #define   SSD_A0_Low()      GPIOB->BRR = GPIO_Pin_14
 #define   SSD_A0_High()     GPIOB->BSRR = GPIO_Pin_14
 #define   SSD_CS_Low()      //GPIOG->BRR = GPIO_Pin_2
 #define   SSD_CS_High()     //GPIOG->BSRR = GPIO_Pin_2
 #define   SSD_Clk_Low()     GPIOA->BRR = GPIO_Pin_5
 #define   SSD_Clk_High()    GPIOA->ODR |= GPIO_Pin_5
 #define   SSD_Data_Low()    GPIOA->BRR = GPIO_Pin_7
 #define   SSD_Data_High()   GPIOA->ODR |= GPIO_Pin_7
 #define   SSD_Reset_Low()   GPIOB->BRR = GPIO_Pin_2
 #define   SSD_Reset_High()  GPIOB->ODR |= GPIO_Pin_2
 #define   SSD_A0_Low()      GPIOB->BRR = GPIO_Pin_10
 #define   SSD_A0_High()     GPIOB->ODR |= GPIO_Pin_10
 #define   SSD_CS_Low()      GPIOB->BRR = GPIO_Pin_1
 #define   SSD_CS_High()     GPIOB->ODR |= GPIO_Pin_1
 #define   SPI_SendByte(data)  SPI2->DR = (data)
 #define   SPI_Wait()           while(!(SPI2->SR&SPI_I2S_FLAG_TXE));while(SPI2->SR&SPI_I2S_FLAG_BSY);
 #define   SPI_SendByte(data)  SPI1->DR = (data)
 #define   SPI_Wait()           while(!(SPI1->SR&SPI_I2S_FLAG_TXE));while(SPI1->SR&SPI_I2S_FLAG_BSY);
 #define   SSD1303_FPS                   50
 #define   IsLedOn()       (!(GPIOA->ODR & GPIO_Pin_8))
 #define   LED_ON()        GPIOA->BRR = GPIO_Pin_8
 #define   LED_OFF()       GPIOA->BSRR = GPIO_Pin_8
 #define   ToggleLED()     if(GPIOA->ODR & GPIO_Pin_8){GPIOA->BRR = GPIO_Pin_8;}\
                           else{GPIOA->BSRR = GPIO_Pin_8;}
 #define   IsCHG()         (!(GPIOB->IDR & GPIO_Pin_5))
 #define   IsPGOOD()       (!(GPIOB->IDR & GPIO_Pin_4))
 #define   GSel1_High()    GPIOB->BSRR = GPIO_Pin_9
 #define   GSel1_Low()     GPIOB->BRR = GPIO_Pin_9
 #define   GSel2_High()    GPIOB->BSRR = GPIO_Pin_8
 #define   GSel2_Low()     GPIOB->BRR = GPIO_Pin_8
 #define   MMA_SLEEP()     GPIOB->BRR = GPIO_Pin_11
 #define   MMA_WAKEUP()    GPIOB->BSRR = GPIO_Pin_11
 #define   Is_MMA_WAKEUP() (GPIOB->ODR & GPIO_Pin_11)
 #define   AD_CH_BAT       ADC_Channel_4
 #define   AD_CH_X         ADC_Channel_1
 #define   AD_CH_Y         ADC_Channel_2
 #define   AD_CH_Z         ADC_Channel_3
 #define   AD_CH_CHG       ADC_Channel_9
 #define   AD_CH_REF       ADC_Channel_17
 #define   DMA_SSD_1303    DMA1_Channel5
 #define   DMA_Handler_SSD_1303    DMA1_Channel5_IRQHandler
-#define   DMA_ADC         DMA1_Channel1
 #define   Is_Enc_Key_Down()    (!(GPIOA->IDR & GPIO_Pin_0))
 typedef   struct  _ADResult_t
+{
   uint16_t   ADRef;    // ADC1
   uint16_t   ADBat;    // ADC2
   uint16_t   ADX;      // ADC1
   uint16_t   ADY;      // ADC2
   uint16_t   ADZ;      // ADC1
   uint16_t   ADChg;    // ADC2
 }ADResult_t;
 #endif

ssd1306.c

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@@ @@ -38,97 +38,98 @@ static uint8_t lastContrast = 0xCC; @@
 void  WriteCommand(unsigned char command);
 void  WriteData(unsigned char data);
 void  OnPageTransferDone(void);
 unsigned long SSD1303_OFF(void);
 unsigned long SSD1303_ON(void);
 unsigned char* SSD1303_GetBuffer()
+{
   return SSD1303_Buffer;
+}
 /*******************************************************************************
 * Function Name  : WriteCommand
 * Description    : Write command to the SSD1303
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 void WriteCommand(unsigned char command)
+{
   SSD_A0_Low();
   SPI_SendByte(command);
   SPI_Wait();
+}
 /*******************************************************************************
 * Function Name  : WriteData
 * Description    : Write data to the SSD1303
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 void WriteData(unsigned char data)
+{
   SSD_A0_High();
   SPI_SendByte(data);
   SPI_Wait();
+}
 /*******************************************************************************
 * Function Name  : SSD1303_Init
 * Description    : Initialize the SSD1303
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 void SSD1303_Init(void)
+{
   /* Generate a reset */
   SSD_Reset_Low();
   for(u32 i=5000;--i;);//—” ±5uS“‘…œ
   uint32_t i ;
   for(i=5000;--i;);
   SSD_Reset_High();
   /*************************************************
   // SSD1303 Initialization Command
   *************************************************/
   // Lower Column Address
   WriteCommand(0x00); /* Set Lower Column Address */
   // High Column Address
   WriteCommand(0x10); /* Set Higher Column Address*/
   // Display Start Line
   WriteCommand(0x40); /* Set Display Start Line */
 #ifdef    DEBUG_BOARD
   curContrast = lastContrast = 0x30;
 #else
   curContrast = lastContrast = 0xCF;
 #endif
   // Contrast Control Register
   WriteCommand(0x81); /* Set Contrast Control */
   WriteCommand(lastContrast); /* 0 ~ 255 0x1f*/
   // Re-map
   WriteCommand(0xA1); /* [A0]:column address 0 is map
   to SEG0 , [A1]: columnaddress 131 is map to SEG0*/
   // Entire Display ON/OFF
   WriteCommand(0xA4); /* A4=ON */
   // Normal or Inverse Display
   WriteCommand(0XA6); /* Normal Display*/
   // Multiplex Ratio
   WriteCommand(0xA8); /* Set Multiplex Ratio */
   WriteCommand(0x3f); /* Set to 36 Mux*/
   // Set DC-DC
   WriteCommand(0xAD); /* Set DC-DC */
   WriteCommand(0x8B); /* 8B=ON, 8A=Off */
   // Display ON/OFF
   WriteCommand(0xAE); /* AF=ON , AE=OFF*/
   // Display Offset
   WriteCommand(0xD3); /* Set Display Offset */
   WriteCommand(0x00); /* No offset */
   // Display Clock Divide
   WriteCommand(0xD5); /* Set Clock Divide */
   WriteCommand(0x20); /* Set to 80Hz */
   // Area Color Mode
   WriteCommand(0xD8); /* Set Area Color On or Off*/
   WriteCommand(0x00); /* Mono Mode */
   // COM Pins Hardware Configuration
   WriteCommand(0xDA); /* Set Pins HardwareConfiguration */
   WriteCommand(0x12);
@@ @@ -178,283 +179,288 @@ unsigned long SSD1303_TurnOff(void) @@
 * Function Name  : SSD1303_TurnOn
 * Description    : Turn off the SSD1303 controller
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 unsigned long SSD1303_TurnOn(void)
+{
   pre_on = 1;
   return iS_SSD_On;
+}
 /*******************************************************************************
 * Function Name  : SSD1303_SetContrast
 * Description    : Set the SSD1303 contrast
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 unsigned char SSD1303_SetContrast(unsigned char contrast)
+{
   curContrast = contrast;
   return lastContrast;
+}
 /*******************************************************************************
 * Function Name  : SSD1303_GetContrast
 * Description    : Get the SSD1303 contrast
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 unsigned char SSD1303_GetContrast()
+{
   return lastContrast;
+}
 /*******************************************************************************
 * Function Name  : SSD1303_OFF
 * Description    : Turn off the SSD1303 controller
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 unsigned long SSD1303_OFF(void)
+{
   if(iS_SSD_On){
 #ifdef  DEBUG_UI
     for(u32 i=0;i<SSD1303_COLUMN_NUMBER*SSD1303_PAGE_NUMBER;i++){
     uint32_t i = 0;
     for(i=0;i<SSD1303_COLUMN_NUMBER*SSD1303_PAGE_NUMBER;i++){
       SSD1303_Buffer[i] = 0;
+    }
 #else
     // Turn off the display
     WriteCommand(0xae);
     // Set Charge pump
     WriteCommand(0x8D); /* Set Charge pump */
     WriteCommand(0x10); /* 0x14=ON, 0x10=Off */
 #endif
     iS_SSD_On = 0;
+  }
   return iS_SSD_On;
+}
 /*******************************************************************************
 * Function Name  : SSD1303_ON
 * Description    : Turn on the SSD1303 controller
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 unsigned long SSD1303_ON(void)
+{
   if(!iS_SSD_On){
 #ifdef  DEBUG_UI
 #else
   #ifdef    DEBUG_BOARD
   #else
     // Set Charge pump
     WriteCommand(0x8D); /* Set Charge pump */
     WriteCommand(0x14); /* 0x14=ON, 0x10=Off */
   #endif
     // Turn on the display
     WriteCommand(0xaf);
 #endif
     iS_SSD_On = 1;
+  }
   return iS_SSD_On;
+}
 /*******************************************************************************
 * Function Name  : SSD1303_IsOn
 * Description    : Check whether the SSD1303 is on or off
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 unsigned long SSD1303_IsOn(void)
+{
   return iS_SSD_On;
+}
 /*******************************************************************************
 * Function Name  : OnPageTransferDone
 * Description    : Called when each page transfer done
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 void  OnPageTransferDone(void)
+{
   if(pageIndex == SSD1303_PAGE_NUMBER){
     pageIndex = 0;
     return;
+  }
 #ifdef    DEBUG_BOARD
   WriteCommand(0xb0 + pageIndex);
   if(pageIndex == 0){
     WriteCommand(0x00);
     WriteCommand(0x10);
+  }
   SSD_A0_High();
-  DMA1_Channel5->CCR &= ((u32)0xFFFFFFFE);
+  DMA1_Channel5->CCR &= ((uint32_t)0xFFFFFFFE);
   DMA1_Channel5->CNDTR = SSD1303_COLUMN_NUMBER+SSD1303_COLUMN_MARGIN_START + SSD1303_COLUMN_MARGIN_END;
   DMA1_Channel5->CMAR = (u32)(SSD1303_Buffer+SSD1303_COLUMN_NUMBER*pageIndex - SSD1303_COLUMN_MARGIN_START);
   DMA_SSD_1303->CCR |= ((u32)0x00000001);
   DMA1_Channel5->CMAR = (uint32_t)(SSD1303_Buffer+SSD1303_COLUMN_NUMBER*pageIndex - SSD1303_COLUMN_MARGIN_START);
   DMA_SSD_1303->CCR |= ((uint32_t)0x00000001);
   pageIndex++;
 #else
   SSD_A0_High();
-  DMA_SSD_1303->CCR &= ((u32)0xFFFFFFFE);
+  DMA_SSD_1303->CCR &= ((uint32_t)0xFFFFFFFE);
   DMA_SSD_1303->CNDTR = SSD1303_COLUMN_NUMBER*SSD1303_PAGE_NUMBER;//+SSD1303_COLUMN_MARGIN_START + SSD1303_COLUMN_MARGIN_END;
-  DMA_SSD_1303->CMAR = (u32)(SSD1303_Buffer);//+SSD1303_COLUMN_NUMBER*pageIndex);
+  DMA_SSD_1303->CMAR = (uint32_t)(SSD1303_Buffer);//+SSD1303_COLUMN_NUMBER*pageIndex);
   //DMA_Cmd(DMA_SSD_1303, ENABLE);
-  DMA_SSD_1303->CCR |= ((u32)0x00000001);
+  DMA_SSD_1303->CCR |= ((uint32_t)0x00000001);
 //  pageIndex++;
   pageIndex = SSD1303_PAGE_NUMBER;
 #endif
+}
 /*******************************************************************************
 * Function Name  : DMA1_Channel5_IRQHandler
 * Description    : This function handles DMA1 Channel 5 interrupt request.
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 void DMA_Handler_SSD_1303(void) //DMA1_Channel5_IRQHandler(void)
+{
   if(DMA_GetITStatus(DMA1_IT_TC5)){
     DMA_ClearITPendingBit(DMA1_IT_GL5);
     OnPageTransferDone();
+  }
+}
 /*******************************************************************************
 * Function Name  : StartPageTransfer
 * Description    : Start a new page transfer
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 void StartPageTransfer(void)
+{
   pageIndex = 0;
   if(pre_on){
     if(iS_SSD_On == 0){
       pre_on = SSD1303_ON();
+    }
   }else{
     if(iS_SSD_On){
       pre_on = SSD1303_OFF();
+    }
+  }
   if( curContrast != lastContrast ){
     lastContrast = curContrast;
     WriteCommand(0x81); /* Set Contrast Control */
     WriteCommand(lastContrast); /* 0 ~ 255 0x1f*/
+  }
   if(iS_SSD_On){
     OnPageTransferDone();
+  }
+}
 /*******************************************************************************
   Display related functions
  ******************************************************************************/
 /*******************************************************************************
 * Function Name  : SSD1303_DrawBlock
 * Description    : Draw a block with specify data to SSD1303
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 unsigned long SSD1303_DrawBlock(
   Pos_t x,
   Pos_t y,
   Pos_t cx,
   Pos_t cy,
   const unsigned char* data)
+{
   if(x >= SSD1303_X_PIXEL)return 0;
   if(y >= SSD1303_Y_PIXEL)return 0;
   if(x+cx > SSD1303_X_PIXEL ) cx = SSD1303_X_PIXEL - x ;
   if(y+cy > SSD1303_Y_PIXEL ) cy = SSD1303_Y_PIXEL - y ;
   unsigned char* pStart = SSD1303_Buffer + (y/8)*SSD1303_COLUMN_NUMBER + x;
   unsigned char offset1 = y%8;
   unsigned char offset2 = (cy+y)%8;
   if(data){
     unsigned char mask1 = (1<<offset1)-1;
     unsigned char mask2 = ~((1<<offset2)-1);
     cy = (cy+offset1)/8;
     for(Pos_t i=0;i<cx;i++){
     Pos_t i = 0;
     for(i=0;i<cx;i++){
       Pos_t j = 0;
       unsigned short tmp = *pStart & mask1;
       for(;j<cy;j++){
         tmp |= (((unsigned short)data[j*cx])<<offset1);
         *(pStart + j*SSD1303_COLUMN_NUMBER) = tmp;
         tmp>>=8;
+      }
       if(offset2){
         tmp |= ((((unsigned short)data[j*cx])<<offset1) & (~mask2))
             | *(pStart + j*SSD1303_COLUMN_NUMBER) & mask2;
         *(pStart + j*SSD1303_COLUMN_NUMBER) = tmp;
+      }
       data++;
       pStart++;
+    }
   }else{
     unsigned char mask1 = ~((1<<offset1)-1);
     unsigned char mask2 = ((1<<offset2)-1);
     cy = (cy+offset1)/8;
     for(Pos_t i=0;i<cx;i++){
     Pos_t i = 0;
     for(i=0;i<cx;i++){
       Pos_t j = 1;
       *pStart ^= mask1;
       for(;j<cy;j++){
         *(pStart + j*SSD1303_COLUMN_NUMBER) ^= 0xFF;
+      }
       if(offset2){
         *(pStart + j*SSD1303_COLUMN_NUMBER) ^= mask2;
+      }
       pStart++;
+    }
+  }
 //  if(!offset){
 //    for(Pos_t i=0;i<cx;i++){
 //      unsigned char tmp;
 //      Pos_t j = 0;
 //      for(;j<cy/8;j++){
 //        tmp = data[i+j*cx];
 //        *(pStart + j*SSD1303_COLUMN_NUMBER + i + x) = tmp;
 //      }
 //      if(cy&0x7){
 //        unsigned char mask1 = (1<<(cy&7)) - 1;
 //        unsigned char mask2 = 0xFF - mask1;
 //        tmp = (data[i+j*cx] & mask1)
 //            | (*(pStart + j*SSD1303_COLUMN_NUMBER + i + x) & mask2);
 //        *(pStart + j*SSD1303_COLUMN_NUMBER + i + x) = tmp;
 //      }
 //    }
 //  }else{
 //    for(Pos_t i=0;i<cx;i++){
 //      unsigned short tmp;
 //      for(Pos_t j=0;j<cy/8;j++){
 //        if(j == 0){
 //          // First line
 //          tmp = *(pStart + j*SSD1303_COLUMN_NUMBER + i + x) & mask;
 //        }
 //        tmp |= (((unsigned short)data[i+j*cx])<<offset);
 //        *(pStart + j*SSD1303_COLUMN_NUMBER + i + x) = tmp;
 //        tmp>>=8;
 //        if(j == (cy/8)-1){
 //          // Last line
 //          *(pStart + (j+1)*SSD1303_COLUMN_NUMBER + i + x) &= ~mask;
 //          *(pStart + (j+1)*SSD1303_COLUMN_NUMBER + i + x) |= tmp;
 //        }
 //      }
 //    }
 //  }
@@ @@ -467,61 +473,62 @@ unsigned long SSD1303_DrawBlock( @@
 * Description    : Draw a point with specify data to SSD1303
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 unsigned long SSD1303_DrawPoint(
   Pos_t x,
   Pos_t y,
   Color_t color)
+{
   if(x >= SSD1303_X_PIXEL)return 0;
   if(y >= SSD1303_Y_PIXEL)return 0;
   unsigned char* pStart = SSD1303_Buffer + (y/8)*SSD1303_COLUMN_NUMBER + x;
   unsigned char mask = 1<<(y%8);
   if(color){
     *pStart |= mask;
   }else{
     *pStart &= ~mask;
+  }
   return 0;
+}
 /*******************************************************************************
 * Function Name  : SSD1303_ReadPoint
 * Description    : Read a point from SSD1303
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 unsigned long SSD1303_ReadPoint(
   Pos_t x,
   Pos_t y)
+{
   unsigned char* pStart = SSD1303_Buffer + (y/8)*SSD1303_COLUMN_NUMBER + x;
   unsigned char mask = 1<<(y%8);
   return *pStart&mask ? 1 : 0;
+}
 /*******************************************************************************
 * Function Name  : SSD1303_ClearScreen
 * Description    : Clear the screen contents
 * Input          : None
 * Output         : None
 * Return         : None
 *******************************************************************************/
 void  SSD1303_FillScreen(Color_t color)
+{
   unsigned char mask = color ? 0xFF : 0;
   for(unsigned long i=0;i<SSD1303_COLUMN_NUMBER*SSD1303_PAGE_NUMBER;i++){
   unsigned long i = 0;
   for(i=0;i<SSD1303_COLUMN_NUMBER*SSD1303_PAGE_NUMBER;i++){
     SSD1303_Buffer[i] = mask;
+  }
+}
 const DeviceProp  SSD1303_Prop =
+{
   .pfnDrawBlok = SSD1303_DrawBlock,
   .pfnDrawPoint = SSD1303_DrawPoint,
   .xPixel = 128,
   .yPixel = 64,
 };

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