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reduced SPI clock speed for SH1106, issue #551

This commit is contained in:
kraus 2018-04-15 09:07:40 +02:00
parent 5a3abc08ae
commit f4ff57aea7
4 changed files with 4 additions and 3 deletions
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1
cppsrc/U8g2lib.h
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@ -297,6 +297,7 @@ uint8_t u8g2_UserInterfaceInputValue(u8g2_t *u8g2, const char *title, const char
int8_t getFontAscent(void) { return u8g2_GetAscent(&u8g2); }
int8_t getFontDescent(void) { return u8g2_GetDescent(&u8g2); }
int8_t getMaxCharHeight(void) { return u8g2_GetMaxCharHeight(&u8g2); }
int8_t getMaxCharWidth(void) { return u8g2_GetMaxCharWidth(&u8g2); }
u8g2_uint_t getHeight() { return u8g2_GetDisplayHeight(&u8g2); }
u8g2_uint_t getWidth() { return u8g2_GetDisplayWidth(&u8g2); }

2
csrc/u8x8_d_sh1106_64x32.c
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@ -183,7 +183,7 @@ static const u8x8_display_info_t u8x8_sh1106_64x32_display_info =
/* post_reset_wait_ms = */ 100, /* far east OLEDs need much longer setup time */
/* sda_setup_time_ns = */ 50, /* SSD1306: 15ns, but cycle time is 100ns, so use 100/2 */
/* sck_pulse_width_ns = */ 50, /* SSD1306: 20ns, but cycle time is 100ns, so use 100/2, AVR: below 70: 8 MHz, >= 70 --> 4MHz clock */
/* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns, increased to 8MHz (issue 215) */
/* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns, increased to 8MHz (issue 215) */
/* spi_mode = */ 0, /* active high, rising edge */
/* i2c_bus_clock_100kHz = */ 4,
/* data_setup_time_ns = */ 40,

2
csrc/u8x8_d_sh1106_72x40.c
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@ -183,7 +183,7 @@ static const u8x8_display_info_t u8x8_sh1106_72x40_display_info =
/* post_reset_wait_ms = */ 100, /* far east OLEDs need much longer setup time */
/* sda_setup_time_ns = */ 50, /* SSD1306: 15ns, but cycle time is 100ns, so use 100/2 */
/* sck_pulse_width_ns = */ 50, /* SSD1306: 20ns, but cycle time is 100ns, so use 100/2, AVR: below 70: 8 MHz, >= 70 --> 4MHz clock */
/* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns, increased to 8MHz (issue 215) */
/* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns, increased to 8MHz (issue 215) */
/* spi_mode = */ 0, /* active high, rising edge */
/* i2c_bus_clock_100kHz = */ 4,
/* data_setup_time_ns = */ 40,

2
csrc/u8x8_d_ssd1306_128x64_noname.c
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@ -384,7 +384,7 @@ static const u8x8_display_info_t u8x8_sh1106_128x64_noname_display_info =
/* post_reset_wait_ms = */ 100, /* far east OLEDs need much longer setup time */
/* sda_setup_time_ns = */ 50, /* SSD1306: 15ns, but cycle time is 100ns, so use 100/2 */
/* sck_pulse_width_ns = */ 50, /* SSD1306: 20ns, but cycle time is 100ns, so use 100/2, AVR: below 70: 8 MHz, >= 70 --> 4MHz clock */
/* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns, increased to 8MHz (issue 215) */
/* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns, increased to 8MHz (issue 215) */
/* spi_mode = */ 3, /* active low (clock is high by default), rising edge, this seems to be a difference to the ssd1306 */
/* i2c_bus_clock_100kHz = */ 4,
/* data_setup_time_ns = */ 40,