j3d1/esp-open-rtos
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Fix SPI3 com with SH1106

Browse source
This commit is contained in:
lilian 2016-12-27 14:24:33 +01:00
parent 21d6285de9
commit 476d2ed969
1 changed files with 7 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

12
extras/ssd1306/ssd1306.c
View file

@ -210,12 +210,12 @@ int ssd1306_init(const ssd1306_t *dev)
break;
case SH1106_SCREEN:
if (!ssd1306_display_on(dev, false) &&
!ssd1306_set_charge_pump_enabled(dev, true) &&
!sh1106_set_charge_pump_voltage(dev,SH1106_VOLTAGE_74) &&
!ssd1306_set_osc_freq(dev, 0x80) &&
!ssd1306_set_mux_ratio(dev, dev->height - 1) &&
!ssd1306_set_display_offset(dev, 0x0) &&
!ssd1306_set_display_start_line(dev, 0x0) &&
!ssd1306_set_charge_pump_enabled(dev, true) &&
!ssd1306_set_segment_remapping_enabled(dev, true) &&
!ssd1306_set_scan_direction_fwd(dev, true) &&
!ssd1306_set_com_pin_hw_config(dev, pin_cfg) &&
@ -225,7 +225,6 @@ int ssd1306_init(const ssd1306_t *dev)
!ssd1306_set_whole_display_lighting(dev, true) &&
!ssd1306_set_inversion(dev, false) &&
!ssd1306_display_on(dev, true)) {
return 0;
}
break;
@ -303,6 +302,7 @@ int ssd1306_load_frame_buffer(const ssd1306_t *dev, uint8_t buf[])
for (i = 0 ; i < (dev->height/8) ; i++) {
sh1106_go_coordinate(dev,0,i);
gpio_write(dev->dc_pin, true); // data mode
gpio_write(dev->cs_pin, false);
if (buf)
spi_transfer(SPI_BUS, &buf[dev->width*i], NULL, dev->width, SPI_8BIT);
else
@ -328,10 +328,13 @@ int ssd1306_load_frame_buffer(const ssd1306_t *dev, uint8_t buf[])
for (i = 0 ; i < (dev->height/8) ; i++) {
sh1106_go_coordinate(dev,0,i);
spi_set_command(SPI_BUS,1,1); // data mode
gpio_write(dev->cs_pin, false);
if (buf)
spi_transfer(SPI_BUS, &buf[dev->width*i], NULL, dev->width, SPI_8BIT);
for (j = 0 ; j < dev->width ; j++)
spi_transfer_8(SPI_BUS, buf[dev->width*i+j]);
else
spi_repeat_send_8(SPI_BUS,0,dev->width);
for (j = 0 ; j < dev->width ; j++)
spi_transfer_8(SPI_BUS, buf[dev->width*i+j]);
}
}
spi_clear_command(SPI_BUS);
@ -517,7 +520,6 @@ int ssd1306_set_whole_display_lighting(const ssd1306_t *dev, bool light)
return ssd1306_command(dev, light ? SSD1306_SET_ENTIRE_DISP_ON : SSD1306_SET_ENTIRE_DISP_OFF);
}
/* one byte of xbm - 8 dots in line of picture source
* one byte of fb - 8 rows for 1 column of screen
*/