diff options
Diffstat (limited to 'firmware/target/coldfire/iaudio/x5/lcd-remote-x5.c')
| -rwxr-xr-x | firmware/target/coldfire/iaudio/x5/lcd-remote-x5.c | 130 |
1 files changed, 109 insertions, 21 deletions
diff --git a/firmware/target/coldfire/iaudio/x5/lcd-remote-x5.c b/firmware/target/coldfire/iaudio/x5/lcd-remote-x5.c index c1ec00f0e7..586104fc0a 100755 --- a/firmware/target/coldfire/iaudio/x5/lcd-remote-x5.c +++ b/firmware/target/coldfire/iaudio/x5/lcd-remote-x5.c @@ -19,6 +19,7 @@ #include "config.h" #include "system.h" #include "kernel.h" +#include "lcd-remote.h" /* The LCD in the iAudio M3/M5/X5 remote control is a Tomato LSI 0350 */ @@ -39,6 +40,7 @@ #define LCD_SET_GRAY 0x88 #define LCD_SET_PWM_FRC 0x90 #define LCD_SET_POWER_SAVE 0xa8 +#define LCD_REVERSE 0xa6 #define CS_LO and_l(~0x00000020, &GPIO1_OUT) #define CS_HI or_l(0x00000020, &GPIO1_OUT) @@ -51,8 +53,12 @@ #define LCD_REMOTE_DEFAULT_CONTRAST 0x18; +/* cached settings values */ +static bool cached_invert = false; +static bool cached_flip = false; static int cached_contrast = LCD_REMOTE_DEFAULT_CONTRAST; -static bool remote_initialized = false; + +bool remote_initialized = false; static void remote_write(unsigned char byte, bool is_command) { @@ -94,13 +100,6 @@ void lcd_remote_write_data(const unsigned char* p_bytes, int count) remote_write(*p_bytes++, false); } -void remote_set_row_and_col(int row, int col) -{ - lcd_remote_write_command(LCD_SET_PAGE | (row & 0xf)); - lcd_remote_write_command_ex(LCD_SET_COLUMN | ((col >> 4) & 0xf), - col & 0xf); -} - int lcd_remote_default_contrast(void) { return LCD_REMOTE_DEFAULT_CONTRAST; @@ -108,24 +107,27 @@ int lcd_remote_default_contrast(void) void lcd_remote_powersave(bool on) { - if (on) - lcd_remote_write_command(LCD_SET_POWER_SAVE | 1); - else - lcd_remote_write_command(LCD_SET_POWER_SAVE | 1); + if(remote_initialized) { + if (on) + lcd_remote_write_command(LCD_SET_POWER_SAVE | 1); + else + lcd_remote_write_command(LCD_SET_POWER_SAVE | 1); + } } void lcd_remote_set_contrast(int val) { cached_contrast = val; - lcd_remote_write_command_ex(LCD_SET_VOLUME, val); + if(remote_initialized) + lcd_remote_write_command_ex(LCD_SET_VOLUME, val); } bool remote_detect(void) { - return (GPIO_READ & 0x01000000); + return (GPIO_READ & 0x01000000)?false:true; } -void remote_init(void) +void lcd_remote_init_device(void) { or_l(0x0000e000, &GPIO_OUT); or_l(0x0000e000, &GPIO_ENABLE); @@ -135,17 +137,18 @@ void remote_init(void) or_l(0x00000020, &GPIO1_ENABLE); or_l(0x00000020, &GPIO1_FUNCTION); + and_l(~0x01000000, &GPIO_OUT); + and_l(~0x01000000, &GPIO_ENABLE); + or_l(0x01000000, &GPIO_FUNCTION); +} + +void lcd_remote_on(void) +{ sleep(10); lcd_remote_write_command(LCD_SET_DUTY_RATIO); lcd_remote_write_command(0x70); /* 1/128 */ - lcd_remote_write_command(LCD_SELECT_ADC | 1); /* Reverse direction */ - lcd_remote_write_command(LCD_SELECT_SHL | 8); /* Reverse direction */ - - lcd_remote_write_command(LCD_SET_COM0); - lcd_remote_write_command(0x00); - lcd_remote_write_command(LCD_OSC_ON); lcd_remote_write_command(LCD_SELECT_DCDC | 2); /* DC/DC 5xboost */ @@ -173,5 +176,90 @@ void remote_init(void) remote_initialized = true; + lcd_remote_set_flip(cached_flip); lcd_remote_set_contrast(cached_contrast); + lcd_remote_set_invert_display(cached_invert); +} + +void lcd_remote_off(void) +{ + remote_initialized = false; + CS_HI; + RS_HI; +} + +/* Update the display. + This must be called after all other LCD functions that change the display. */ +void lcd_remote_update(void) ICODE_ATTR; +void lcd_remote_update(void) +{ + int y; + if(remote_initialized) { + for(y = 0;y < LCD_REMOTE_HEIGHT/8;y++) { + /* Copy display bitmap to hardware. + The COM48-COM63 lines are not connected so we have to skip + them. Further, the column address doesn't wrap, so we + have to update one page at a time. */ + lcd_remote_write_command(LCD_SET_PAGE | (y>5?y+2:y)); + lcd_remote_write_command_ex(LCD_SET_COLUMN | 0, 0); + lcd_remote_write_data((unsigned char *)lcd_remote_framebuffer[y], + LCD_REMOTE_WIDTH*2); + } + } +} + +/* Update a fraction of the display. */ +void lcd_remote_update_rect(int, int, int, int) ICODE_ATTR; +void lcd_remote_update_rect(int x, int y, int width, int height) +{ + if(remote_initialized) { + int ymax; + + /* The Y coordinates have to work on even 8 pixel rows */ + ymax = (y + height-1) >> 3; + y >>= 3; + + if(x + width > LCD_REMOTE_WIDTH) + width = LCD_REMOTE_WIDTH - x; + if (width <= 0) + return; /* nothing left to do, 0 is harmful to lcd_write_data() */ + if(ymax >= LCD_REMOTE_HEIGHT) + ymax = LCD_REMOTE_HEIGHT-1; + + /* Copy specified rectangle bitmap to hardware + COM48-COM63 are not connected, so we need to skip those */ + for (; y <= ymax; y++) + { + lcd_remote_write_command(LCD_SET_PAGE | + ((y > 5?y + 2:y) & 0xf)); + lcd_remote_write_command_ex(LCD_SET_COLUMN | ((x >> 4) & 0xf), + x & 0xf); + + lcd_remote_write_data ( + (unsigned char *)&lcd_remote_framebuffer[y][x], width*2); + } + } +} + +void lcd_remote_set_invert_display(bool yesno) +{ + cached_invert = yesno; + if(remote_initialized) + lcd_remote_write_command(LCD_REVERSE | yesno); +} + +void lcd_remote_set_flip(bool yesno) +{ + cached_flip = yesno; + if(remote_initialized) { + if(yesno) { + lcd_remote_write_command(LCD_SELECT_ADC | 0); + lcd_remote_write_command(LCD_SELECT_SHL | 0); + lcd_remote_write_command_ex(LCD_SET_COM0, 16); + } else { + lcd_remote_write_command(LCD_SELECT_ADC | 1); + lcd_remote_write_command(LCD_SELECT_SHL | 8); + lcd_remote_write_command_ex(LCD_SET_COM0, 0); + } + } } |