Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.
My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.
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diff --git a/firmware/export/config/sansaclipplus.h b/firmware/export/config/sansaclipplus.h index c52d803..40a39e5 100644 #define HAVE_LCD_CONTRAST #define MIN_CONTRAST_SETTING 0 -#define MAX_CONTRAST_SETTING 50 -#define DEFAULT_CONTRAST_SETTING 30 +#define MAX_CONTRAST_SETTING 25 +#define DEFAULT_CONTRAST_SETTING 5 #define IRAM_LCDFRAMEBUFFER IDATA_ATTR /* put the lcd frame buffer in IRAM */ diff --git a/firmware/target/arm/as3525/lcd-ssd1303.c b/firmware/target/arm/as3525/lcd-ssd1303.c index e0e0715..0b5f90e 100644 int lcd_default_contrast(void) void lcd_set_contrast(int val) { lcd_write_command(LCD_CNTL_CONTRAST); - lcd_write_command(val); + lcd_write_command(val * 10 + 1); } void lcd_set_invert_display(bool yesno) void lcd_init_device(void) lcd_hw_init(&offset); + lcd_write_command(LCD_SET_DISPLAY_OFF); + /* Set display clock (divide ratio = 1) and oscillator frequency (1) */ lcd_write_command(LCD_SET_DISPLAY_CLOCK_AND_OSC_FREQ); - lcd_write_command(0x10); - - /* Set VCOM deselect level to 0.76V */ - lcd_write_command(LCD_SET_VCOM_DESELECT_LEVEL); - lcd_write_command(0x34); - - /* Set pre-charge period (p1period is 2 dclk and p2period is 5 dclk) */ - lcd_write_command(LCD_SET_PRECHARGE_PERIOD); - lcd_write_command(0x25); + lcd_write_command(0x80); - /* Set contrast register to 12% */ - lcd_set_contrast(lcd_default_contrast()); - - /* Disable DC-DC */ - lcd_write_command(LCD_SET_DC_DC); - lcd_write_command(LCD_SET_DC_DC_PART2/*|0*/); + lcd_write_command(LCD_SET_MULTIPLEX_RATIO); + lcd_write_command(0x3f); /* Set starting line as 0 */ lcd_write_command(LCD_SET_DISPLAY_START_LINE /*|(0 & 0x3f)*/); + lcd_write_command(0x8d); //?? + + lcd_write_command (LCD_SET_HIGHER_COLUMN_ADDRESS /*| 0*/); + /* Column 131 is remapped to SEG0 */ lcd_write_command(LCD_SET_SEGMENT_REMAP_INV); + lcd_write_command(LCD_SET_DC_DC); + lcd_write_command(0x10); + /* Invert COM scan direction (N-1 to 0) */ lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION_INV); - /* Set normal display mode (not every pixel ON) */ - lcd_write_command(LCD_SET_ENTIRE_DISPLAY_OFF); + lcd_write_command(0xda); // ?? + lcd_write_command(0x12); // ?? + + /* Set pre-charge period (p1period is 2 dclk and p2period is 5 dclk) */ + lcd_write_command(LCD_SET_PRECHARGE_PERIOD); + lcd_write_command(0x22); + + /* Set VCOM deselect level to 0.76V */ + lcd_write_command(LCD_SET_VCOM_DESELECT_LEVEL); + lcd_write_command(0x40); - /* Set normal display mode (not inverted) */ - lcd_write_command(LCD_SET_NORMAL_DISPLAY); + /* Set contrast register to 12% */ + lcd_set_contrast(lcd_default_contrast()); /* Clear whole framebuffer, including "overscan" * We don't need to handle that out of screen columns in lcd_clear_display() * since we will never write into it anymore */ - lcd_write_command (LCD_SET_HIGHER_COLUMN_ADDRESS /*| 0*/); - lcd_write_command (LCD_SET_LOWER_COLUMN_ADDRESS /*| 0*/); - fb_data p_bytes[LCD_WIDTH + 2 * offset]; memset(p_bytes, 0, sizeof(p_bytes)); /* fills with 0 : pixel off */ for(i = 0; i < 8; i++) |
