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Tweaks to VIKI lcd support

pull/1/head
Scott Lahteine 7 years ago
parent
09fa34a9e1
commit
20ebe218c8
1 changed files with 28 additions and 31 deletions
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  1. 55
      Marlin/src/lcd/dogm/ultralcd_st7565_u8glib_VIKI.h

55
Marlin/src/lcd/dogm/ultralcd_st7565_u8glib_VIKI.h
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@ -86,7 +86,6 @@
#define ST7565_DELAY_3 CPU_ST7565_DELAY_3
#endif
#if ENABLED(SHARED_SPI) // Re-ARM requires that the LCD and the SD card share a single SPI
#define ST7565_WRITE_BYTE(a) { spiSend((uint8_t)a); U8G_DELAY; }
@ -129,8 +128,7 @@
uint8_t u8g_dev_st7565_64128n_2x_VIKI_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
switch (msg) {
case U8G_DEV_MSG_INIT:
{
case U8G_DEV_MSG_INIT: {
OUT_WRITE(ST7565_CS_PIN, LOW);
#if ENABLED(SHARED_SPI)
u8g_Delay(250);
@ -149,52 +147,50 @@ uint8_t u8g_dev_st7565_64128n_2x_VIKI_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg
ST7565_NA0(); /* instruction mode */
ST7565_NCS(); /* enable chip */
ST7565_WRITE_BYTE(0x0A2); /* 0x0a2: LCD bias 1/9 (according to Displaytech 64128N datasheet) */
ST7565_WRITE_BYTE(0x0A2); /* 0x0A2: LCD bias 1/9 (according to Displaytech 64128N datasheet) */
ST7565_WRITE_BYTE(0x0A0); /* Normal ADC Select (according to Displaytech 64128N datasheet) */
ST7565_WRITE_BYTE(0x0c8); /* common output mode: set scan direction normal operation/SHL Select; 0x0c0 --> SHL = 0; normal; 0x0c8 --> SHL = 1 */
ST7565_WRITE_BYTE(0x0C8); /* common output mode: set scan direction normal operation/SHL Select; 0x0C0 --> SHL = 0; normal; 0x0C8 --> SHL = 1 */
ST7565_WRITE_BYTE(0x040); /* Display start line for Displaytech 64128N */
ST7565_WRITE_BYTE(0x028 | 0x04); /* power control: turn on voltage converter */
// U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */
//U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */
ST7565_WRITE_BYTE(0x028 | 0x06); /* power control: turn on voltage regulator */
// U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */
//U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */
ST7565_WRITE_BYTE(0x028 | 0x07); /* power control: turn on voltage follower */
// U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */
//U8G_ESC_DLY(50); /* delay 50 ms - hangs after a reset if used */
ST7565_WRITE_BYTE(0x010); /* Set V0 voltage resistor ratio. Setting for controlling brightness of Displaytech 64128N */
ST7565_WRITE_BYTE(0x0a6); /* display normal, bit val 0: LCD pixel off. */
ST7565_WRITE_BYTE(0x0A6); /* display normal, bit val 0: LCD pixel off. */
ST7565_WRITE_BYTE(0x081); /* set contrast */
ST7565_WRITE_BYTE(0x01e); /* Contrast value. Setting for controlling brightness of Displaytech 64128N */
ST7565_WRITE_BYTE(0x01E); /* Contrast value. Setting for controlling brightness of Displaytech 64128N */
ST7565_WRITE_BYTE(0x0af); /* display on */
ST7565_WRITE_BYTE(0x0AF); /* display on */
U8G_ESC_DLY(100); /* delay 100 ms */
ST7565_WRITE_BYTE(0x0a5); /* display all points; ST7565 */
ST7565_WRITE_BYTE(0x0A5); /* display all points; ST7565 */
U8G_ESC_DLY(100); /* delay 100 ms */
U8G_ESC_DLY(100); /* delay 100 ms */
ST7565_WRITE_BYTE(0x0a4); /* normal display */
ST7565_WRITE_BYTE(0x0A4); /* normal display */
ST7565_CS(); /* disable chip */
} /* end of sequence */
break;
case U8G_DEV_MSG_STOP:
break;
case U8G_DEV_MSG_PAGE_NEXT:
{ u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
case U8G_DEV_MSG_STOP: break;
case U8G_DEV_MSG_PAGE_NEXT: {
u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
ST7565_CS(); /* disable chip */
ST7565_NA0(); /* instruction mode */
ST7565_NCS(); /* enable chip */
ST7565_WRITE_BYTE(0x010); /* set upper 4 bit of the col adr to 0x10 */
ST7565_WRITE_BYTE(0x000); /* set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N */
/* end of sequence */
ST7565_WRITE_BYTE(0x0b0 | (2*pb->p.page));; /* select current page (ST7565R) */
ST7565_WRITE_BYTE(0x0B0 | (2*pb->p.page));; /* select current page (ST7565R) */
ST7565_A0(); /* data mode */
ST7560_WriteSequence( (uint8_t) pb->width, (uint8_t *)pb->buf);
ST7565_CS(); /* disable chip */
@ -203,12 +199,13 @@ uint8_t u8g_dev_st7565_64128n_2x_VIKI_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg
ST7565_WRITE_BYTE(0x010); /* set upper 4 bit of the col adr to 0x10 */
ST7565_WRITE_BYTE(0x000); /* set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N */
/* end of sequence */
ST7565_WRITE_BYTE(0x0b0 | (2*pb->p.page+1)); /* select current page (ST7565R) */
ST7565_WRITE_BYTE(0x0B0 | (2*pb->p.page+1)); /* select current page (ST7565R) */
ST7565_A0(); /* data mode */
ST7560_WriteSequence( (uint8_t) pb->width, (uint8_t *)(pb->buf)+pb->width);
ST7565_CS(); /* disable chip */
}
break;
case U8G_DEV_MSG_CONTRAST:
ST7565_NCS();
ST7565_NA0(); /* instruction mode */
@ -216,21 +213,23 @@ uint8_t u8g_dev_st7565_64128n_2x_VIKI_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg
ST7565_WRITE_BYTE((*(uint8_t *)arg) >> 2);
ST7565_CS(); /* disable chip */
return 1;
case U8G_DEV_MSG_SLEEP_ON:
ST7565_NA0(); /* instruction mode */
ST7565_NCS(); /* enable chip */
ST7565_WRITE_BYTE(0x0ac); /* static indicator off */
ST7565_WRITE_BYTE(0x0AC); /* static indicator off */
ST7565_WRITE_BYTE(0x000); /* indicator register set (not sure if this is required) */
ST7565_WRITE_BYTE(0x0ae); /* display off */
ST7565_WRITE_BYTE(0x0a5); /* all points on */
ST7565_WRITE_BYTE(0x0AE); /* display off */
ST7565_WRITE_BYTE(0x0A5); /* all points on */
ST7565_CS(); /* disable chip , bugfix 12 nov 2014 */
/* end of sequence */
return 1;
case U8G_DEV_MSG_SLEEP_OFF:
ST7565_NA0(); /* instruction mode */
ST7565_NCS(); /* enable chip */
ST7565_WRITE_BYTE(0x0a4); /* all points off */
ST7565_WRITE_BYTE(0x0af); /* display on */
ST7565_WRITE_BYTE(0x0A4); /* all points off */
ST7565_WRITE_BYTE(0x0AF); /* display on */
U8G_ESC_DLY(50); /* delay 50 ms */
ST7565_CS(); /* disable chip , bugfix 12 nov 2014 */
/* end of sequence */
@ -254,8 +253,6 @@ class U8GLIB_ST7565_64128n_2x_VIKI : public U8GLIB {
{ }
};
#pragma GCC reset_options
#endif // U8GLIB_ST7565

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