Updates from Darcy Gong for UG-2864SWEG01 OLED

git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5469 42af7a65-404d-4744-a932-0658087f49c3

nuttx/ChangeLog

@@ -3845,6 +3845,8 @@
 	* configs/zp214xpa/nxlines:  Add an nxlines configuration for the
 	  ZP213x/4xPA (with the LPC2148 and the UG_2864AMBAG01).  Working
 	  as of 2012-12-30.
-	* config/olimex-lpc1766stk/wlan:  Remove non-functional
+	* configs/olimex-lpc1766stk/wlan:  Remove non-functional
 	  configuration.
+	* configs/stm32f4discovery/src and nuttx/drivers/lcd/ug-2864hsweg01.c:
+	  Updates and correctinos for the UG-2864HSWEG01 from Darcy Gong.
 

nuttx/configs/stm32f4discovery/README.txt

@@ -20,7 +20,7 @@ Contents
   - FPU
   - FSMC SRAM
   - SSD1289
-  - UG-2864AMBAG01
+  - UG-2864AMBAG01 / UG-2964SWEG01
   - STM32F4Discovery-specific Configuration Options
   - Configurations
 
@@ -696,10 +696,10 @@ The following summarize the bit banging oprations:
     WriteData(data);
   }
 
-UG-2864AMBAG01
-==============
+UG-2864AMBAG01 / UG-2964SWEG01
+==============================
 
-I purchased an OLED display on eBay.  The OLDE is 128x64 monochrome and
+I purchased an OLED display on eBay.  The OLED is 128x64 monochrome and
 is based on an UG-2864AMBAG01 OLED controller.  The OLED can run in either
 parallel or SPI mode.  I am using SPI mode.  In SPI mode, the OLED is
 write only so the driver keeps a 128*64/8 = 1KB framebuffer to remember
@@ -729,6 +729,10 @@ that I am using:
   (1) Required because of on-board MEMS
   -------------------------------------------------------------------------
 
+Darcy Gong recently added support for the UG-2964SWEG01 OLED which is also
+an option with this configuratin.  I have little technical information about
+the UG-2964SWEG01 interface (see configs/stm32f4discovery/src/up_ug2864sweg01.c).
+
 STM32F4Discovery-specific Configuration Options
 ===============================================
 
@@ -1347,9 +1351,10 @@ Where <subdir> is one of the following:
      b. Execute 'make menuconfig' in nuttx/ in order to start the
         reconfiguration process.
 
-  3. This configured can be re-configured to use the UG-2864AMBAG01
-     0.96 inch OLED by adding or changing the following items int
-     the configuration (using 'make menuconfig'):
+  3. This configured can be re-configured to use either the
+     UG-2864AMBAG01 or UG-2864SWEG01 0.96 inch OLEDs by adding
+     or changing the following items in the configuration (using
+     'make menuconfig'):
 
      +CONFIG_SPI_CMDDATA=y
 
@@ -1360,7 +1365,7 @@ Where <subdir> is one of the following:
 
      -CONFIG_LCD_SSD1289=y
      -CONFIG_SSD1289_PROFILE1=y
-     +CONFIG_LCD_UG2864AMBAG01=y
+     +CONFIG_LCD_UG2864AMBAG01=y              : For the UG-2964AMBAG01
      +CONFIG_UG2864AMBAG01_SPIMODE=3
      +CONFIG_UG2864AMBAG01_FREQUENCY=3500000
      +CONFIG_UG2864AMBAG01_NINTERFACES=1

nuttx/configs/stm32f4discovery/src/stm32f4discovery-internal.h

@@ -113,7 +113,7 @@
 #  define GPIO_OTGFS_OVER  (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_PUSHPULL|GPIO_PORTD|GPIO_PIN5)
 #endif
 
-/* UG-2864AMBAG01 or UG-2864HSWEG01 OLED Display:
+/* UG-2864AMBAG01 or UG-2864HSWEG01 OLED Display (SPI 4-wire):
  *
  * --------------------------+----------------------------------------------
  * Connector CON10 J1:      | STM32F4Discovery
@@ -123,7 +123,7 @@
  * 1  3v3        | 3,4 3v3   | P2 3V
  * 3  /RESET     | 8 /RESET  | P2 PB6 (Arbitrary selection)
  * 5  /CS        | 7 /CS     | P2 PB7 (Arbitrary selection)
- * 7  A0         | 9 A0      | P2 PB8 (Arbitrary selection)
+ * 7  A0|D/C     | 9 A0|D/C  | P2 PB8 (Arbitrary selection)
  * 9  LED+ (N/C) | -----     | -----
  * 2  5V Vcc     | 1,2 Vcc   | P2 5V
  * 4  DI         | 18 D1/SI  | P1 PA7 (GPIO_SPI1_MOSI == GPIO_SPI1_MOSI_1 (1))
@@ -142,6 +142,7 @@
                            GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN7)
 #  define GPIO_OLED_A0    (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
                            GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN8)
+#  define GPIO_OLED_DC    GPIO_OLED_A0
 #endif
 
 /****************************************************************************************************

nuttx/configs/stm32f4discovery/src/up_spi.c

@@ -96,11 +96,16 @@
 void weak_function stm32_spiinitialize(void)
 {
 #ifdef CONFIG_STM32_SPI1
-  (void)stm32_configgpio(GPIO_CS_MEMS);
+  (void)stm32_configgpio(GPIO_CS_MEMS);    /* MEMS chip select */
 #endif
-#ifdef CONFIG_LCD_UG2864AMBAG01
+#if defined(CONFIG_LCD_UG2864AMBAG01) || defined(CONFIG_LCD_UG2864HSWEG01)
   (void)stm32_configgpio(GPIO_OLED_CS);    /* OLED chip select */
+# if defined(CONFIG_LCD_UG2864AMBAG01)
   (void)stm32_configgpio(GPIO_OLED_A0);    /* OLED Command/Data */
+# endif
+# if defined(CONFIG_LCD_UG2864HSWEG01)
+  (void)stm32_configgpio(GPIO_OLED_DC);    /* OLED Command/Data */
+# endif
 #endif
 }
 
@@ -134,7 +139,7 @@ void stm32_spi1select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool sele
 {
   spidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");
 
-#ifdef CONFIG_LCD_UG2864AMBAG01
+#if defined(CONFIG_LCD_UG2864AMBAG01) || defined(CONFIG_LCD_UG2864HSWEG01)
   if (devid == SPIDEV_DISPLAY)
     {
       stm32_gpiowrite(GPIO_OLED_CS, !selected);
@@ -180,9 +185,9 @@ uint8_t stm32_spi3status(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
  * Name: stm32_spi1cmddata
  *
  * Description:
- *   Set or clear the SD1329 D/Cn bit to select data (true) or command
- *   (false).  This function must be provided by platform-specific logic.
- *   This is an implementation of the cmddata method of the SPI
+ *   Set or clear the SH1101A A0 or SD1306 D/C n bit to select data (true)
+ *   or command (false). This function must be provided by platform-specific
+ *   logic. This is an implementation of the cmddata method of the SPI
  *   interface defined by struct spi_ops_s (see include/nuttx/spi.h).
  *
  * Input Parameters:
@@ -203,18 +208,23 @@ uint8_t stm32_spi3status(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
 #ifdef CONFIG_STM32_SPI1
 int stm32_spi1cmddata(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool cmd)
 {
-#ifdef CONFIG_LCD_UG2864AMBAG01
+#if defined(CONFIG_LCD_UG2864AMBAG01) || defined(CONFIG_LCD_UG2864HSWEG01)
   if (devid == SPIDEV_DISPLAY)
     {
       /* "This is the Data/Command control pad which determines whether the
        *  data bits are data or a command.
        *
-       *  A0 = “H”: the inputs at D0 to D7 are treated as display data.
-       *  A0 = “L”: the inputs at D0 to D7 are transferred to the command
+       *  A0 = "H": the inputs at D0 to D7 are treated as display data.
+       *  A0 = "L": the inputs at D0 to D7 are transferred to the command
        *       registers."
        */
 
+# if defined(CONFIG_LCD_UG2864AMBAG01)
       (void)stm32_gpiowrite(GPIO_OLED_A0, !cmd);
+# endif
+# if defined(CONFIG_LCD_UG2864HSWEG01)
+      (void)stm32_gpiowrite(GPIO_OLED_DC, !cmd);
+# endif
       return OK;
     }
 #endif

nuttx/configs/stm32f4discovery/src/up_ug2864ambag01.c

@@ -66,7 +66,7 @@
 #endif
 
 /* Pin Configuration ********************************************************/
-/* UG-2864AMBAG01 OLED Display:
+/* UG-2864AMBAG01 OLED Display (SPI 4-wire):
  *
  * --------------------------+----------------------------------------------
  * Connector CON10 J1:      | STM32F4Discovery

nuttx/configs/stm32f4discovery/src/up_ug2864hsweg01.c

@@ -66,7 +66,7 @@
 #endif
 
 /* Pin Configuration ********************************************************/
-/* UG-2864AMBAG01 or UG-2864HSWEG01 OLED Display:
+/* UG-2864HSWEG01 OLED Display (SPI 4-wire):
  *
  * --------------------------+----------------------------------------------
  * Connector CON10 J1:      | STM32F4Discovery
@@ -76,7 +76,7 @@
  * 1  3v3        | 3,4 3v3   | P2 3V
  * 3  /RESET     | 8 /RESET  | P2 PB6 (Arbitrary selection)
  * 5  /CS        | 7 /CS     | P2 PB7 (Arbitrary selection)(2)
- * 7  A0         | 9 A0      | P2 PB8 (Arbitrary selection)(2)
+ * 7  D/C        | 9 D/C     | P2 PB8 (Arbitrary selection)(2)
  * 9  LED+ (N/C) | -----     | -----
  * 2  5V Vcc     | 1,2 Vcc   | P2 5V
  * 4  DI         | 18 D1/SI  | P1 PA7 (GPIO_SPI1_MOSI == GPIO_SPI1_MOSI_1 (1))
@@ -85,7 +85,7 @@
  * 10 GND        | 20 GND    | P2 GND
  * --------------+-----------+----------------------------------------------
  * (1) Required because of on-board MEMS
- * (2) Note that the OLED CS and A0 are managed in the up_spi.c file.
+ * (2) Note that the OLED CS and D/C are managed in the up_spi.c file.
  * -------------------------------------------------------------------------
  */
 

nuttx/drivers/lcd/ug-2864ambag01.c

@@ -428,7 +428,7 @@ static inline void ug2864ambag01_configspi(FAR struct spi_dev_s *spi)
 
   SPI_SETMODE(spi, CONFIG_UG2864AMBAG01_SPIMODE);
   SPI_SETBITS(spi, 8);
-  SPI_SETFREQUENCY(spi, CONFIG_UG2864AMBAG01_FREQUENCY)
+  SPI_SETFREQUENCY(spi, CONFIG_UG2864AMBAG01_FREQUENCY);
 }
 #endif
 
@@ -1035,7 +1035,7 @@ FAR struct lcd_dev_s *ug2864ambag01_initialize(FAR struct spi_dev_s *spi, unsign
 
   /* Configure the SPI */
 
-  ug2864ambag01_configspi(spi)
+  ug2864ambag01_configspi(spi);
 
   /* Lock and select device */
 

nuttx/drivers/lcd/ug-2864hsweg01.c

@@ -434,7 +434,7 @@ static inline void ug2864hsweg01_configspi(FAR struct spi_dev_s *spi)
 
   SPI_SETMODE(spi, CONFIG_UG2864HSWEG01_SPIMODE);
   SPI_SETBITS(spi, 8);
-  SPI_SETFREQUENCY(spi, CONFIG_UG2864HSWEG01_FREQUENCY)
+  SPI_SETFREQUENCY(spi, CONFIG_UG2864HSWEG01_FREQUENCY);
 }
 #endif
 
@@ -1041,7 +1041,7 @@ FAR struct lcd_dev_s *ug2864hsweg01_initialize(FAR struct spi_dev_s *spi, unsign
 
   /* Configure the SPI */
 
-  ug2864hsweg01_configspi(spi)
+  ug2864hsweg01_configspi(spi);
 
   /* Lock and select device */
 
@@ -1052,40 +1052,81 @@ FAR struct lcd_dev_s *ug2864hsweg01_initialize(FAR struct spi_dev_s *spi, unsign
 
   SPI_CMDDATA(spi, SPIDEV_DISPLAY, true);
 
+  /* Configure OLED SPI or I/O, must be delayed 1-10ms */
+
+  up_mdelay(5);
+
   /* Configure the device */
 
+//#define OLED_WriteCmd(v)	SPI_SEND(spi,v)
+//
+// /* Module manufacturers to provide initialization code 模块厂家提供初始化代码 */
+//
+// OLED_WriteCmd(0xAE);  /* 关闭OLED面板显示(休眠) */
+// OLED_WriteCmd(0x00);  /* 设置列地址低4bit */
+// OLED_WriteCmd(0x10);  /* 设置列地址高4bit */
+// OLED_WriteCmd(0x40);  /* 设置起始行地址（低5bit 0-63）， 硬件相关*/
+//
+// OLED_WriteCmd(0x81);  /* 设置对比度命令(双字节命令），第1个字节是命令，第2个字节是对比度参数0-255 */
+// OLED_WriteCmd(0xCF);  /* 设置对比度参数 */
+//
+// OLED_WriteCmd(0xA1);  /* A0 ：列地址0映射到SEG0; A1 ：列地址127映射到SEG0 */
+// OLED_WriteCmd(0xA6);  /* A6 : 设置正常显示模式; A7 : 设置为反显模式 */
+//
+// OLED_WriteCmd(0xA8);  /* 设置COM路数 */
+// OLED_WriteCmd(0x3F);  /* 1 ->（63+1）路 */
+//
+// OLED_WriteCmd(0xD3);  /* 设置显示偏移（双字节命令）*/
+// OLED_WriteCmd(0x00);  /* 无偏移 */
+//
+// OLED_WriteCmd(0xD5);  /* 设置显示时钟分频系数/振荡频率 */
+// OLED_WriteCmd(0x80);  /* 设置分频系数,高4bit是分频系数，低4bit是振荡频率 */
+//
+// OLED_WriteCmd(0xD9);  /* 设置预充电周期 */
+// OLED_WriteCmd(0xF1);  /* [3:0],PHASE 1; [7:4],PHASE 2; */
+//
+// OLED_WriteCmd(0xDA);  /* 设置COM脚硬件接线方式 */
+// OLED_WriteCmd(0x12);
+//
+// OLED_WriteCmd(0xDB);  /* 设置 vcomh 电压倍率 */
+// OLED_WriteCmd(0x40);  /* [6:4] 000 = 0.65 x VCC; 0.77 x VCC (RESET); 0.83 x VCC  */
+//
+// OLED_WriteCmd(0x8D);  /* 设置充电泵（和下个命令结合使用） */
+// OLED_WriteCmd(0x14);  /* 0x14 使能充电泵， 0x10 是关闭 */
+// OLED_WriteCmd(0xAF);  /* 打开OLED面板 */
+
   SPI_SEND(spi, SSD1306_DISPOFF);         /* Display off 0xAE*/
   SPI_SEND(spi, SSD1306_SETCOLL(0));      /* Set lower column address 0x00 */
   SPI_SEND(spi, SSD1306_SETCOLH(0));      /* Set higher column address 0x10 */
   SPI_SEND(spi, SSD1306_STARTLINE(0));    /* Set display start line 0x40*/
-  SPI_SEND(spi, SSD1306_PAGEADDR(0));     /* Set page address [可忽略] */
+  /* SPI_SEND(spi, SSD1306_PAGEADDR(0));*//* Set page address  (Can ignore)*/
   SPI_SEND(spi, SSD1306_CONTRAST_MODE);   /* Contrast control 0x81*/
   SPI_SEND(spi ,SSD1306_CONTRAST(UG2864HSWEG01_CONTRAST));  /*   Default contrast 0xCF */
   SPI_SEND(spi, SSD1306_REMAPPLEFT);      /* Set segment remap left 95 to 0 | 0xA1*/
-  SPI_SEND(spi, SSD1306_EDISPOFF);        /* Normal display :off  0xA4 [多出的一行] */
+  /* SPI_SEND(spi, SSD1306_EDISPOFF); */  /* Normal display :off  0xA4 (Can ignore)*/
   SPI_SEND(spi, SSD1306_NORMAL);          /* Normal (un-reversed) display mode 0xA6 */
   SPI_SEND(spi, SSD1306_MRATIO_MODE);     /* Multiplex ratio 0xA8*/
   SPI_SEND(spi, SSD1306_MRATIO(0x3f));    /*   Duty = 1/64 */
-  SPI_SEND(spi, SSD1306_SCANTOCOM0);      /* Com scan direction: Scan from COM[n-1] to COM[0]  [可忽略] */
+  /* SPI_SEND(spi, SSD1306_SCANTOCOM0);*/ /* Com scan direction: Scan from COM[n-1] to COM[0] (Can ignore)*/
   SPI_SEND(spi, SSD1306_DISPOFFS_MODE);   /* Set display offset 0xD3 */
   SPI_SEND(spi, SSD1306_DISPOFFS(0));
   SPI_SEND(spi, SSD1306_CLKDIV_SET);      /* Set clock divider 0xD5*/
-  SPI_SEND(spi, SSD1306_CLKDIV(8,0));     /* 0x80 ? 检查 默认0,0*/ 
-  
+  SPI_SEND(spi, SSD1306_CLKDIV(8,0));     /* 0x80*/
+
   SPI_SEND(spi, SSD1306_CHRGPER_SET);     /* ++Set pre-charge period 0xD9*/
-  SPI_SEND(spi, SSD1306_CHRGPER(0x0f,1));    /* 0xf1 or 0x22（增强模式？） */
-  
+  SPI_SEND(spi, SSD1306_CHRGPER(0x0f,1)); /* 0xf1 or 0x22（Enhanced mode?） */
+
   SPI_SEND(spi, SSD1306_CMNPAD_CONFIG);   /* Set common pads / set com pins hardware configuration 0xDA*/
-  SPI_SEND(spi, SSD1306_CMNPAD(0x12));    /* 0x12 ? 检查 默认 0x10 */
-  
-  SPI_SEND(spi, SSD1306_VCOM_SET);		  /* set vcomh 0xDB*/
+  SPI_SEND(spi, SSD1306_CMNPAD(0x12));    /* 0x12 */
+
+  SPI_SEND(spi, SSD1306_VCOM_SET);        /* set vcomh 0xDB*/
   SPI_SEND(spi, SSD1306_VCOM(0x40));
 
-  SPI_SEND(spi, SSD1306_CHRPUMP_SET);     /* ++Set Charge Pump enable/disable 0x8D 增加的*/
-  SPI_SEND(spi, SSD1306_CHRPUMP_ON);      /* 0x14 */
+  SPI_SEND(spi, SSD1306_CHRPUMP_SET);     /* ++Set Charge Pump enable/disable 0x8D ssd1306*/
+  SPI_SEND(spi, SSD1306_CHRPUMP_ON);      /* 0x14 close 0x10 */
 
-  //SPI_SEND(spi, SSD1306_DCDC_MODE);       /* DC/DC control mode: on */
-  //SPI_SEND(spi, SSD1306_DCDC_ON);
+  /*SPI_SEND(spi, SSD1306_DCDC_MODE); */  /* DC/DC control mode: on (SSD1306 Not supported) */
+  /*SPI_SEND(spi, SSD1306_DCDC_ON); */
 
   SPI_SEND(spi, SSD1306_DISPON);          /* display ON 0xAF */