UpsilonNumworks/Upsilon
1
0
Fork 0
mirror of https://github.com/UpsilonNumworks/Upsilon.git synced 2026-01-19 00:37:25 +01:00
Code Issues Packages Projects Releases Wiki Activity

ili9341 initializes for RGB input

Browse Source
This commit is contained in:
Romain Goyet
2015-05-11 16:37:45 +02:00
parent 3986953524
commit acfc67db6b
3 changed files with 21 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
platform/ili9341/ili9341.c
View File

@@ -45,21 +45,28 @@ static instruction_t initialisation_sequence[] = {
COMMAND(FRMCTR1), DATA(0x00), DATA(0x1B),
*/
// Gamma
//FIXME
// Gamma //TODO
// Display
// RGB Interface mode //FIXME: explain
/* RGB Interface mode
* DE is on "high enable"
* DOTCLK polarity: data fetched at rising time
* HSYNC polarity: low-level sync clock
* VSYNC polarity: low-level sync clock
* RCM: valid data is determined by DE signal */
COMMAND(IFMODE), DATA(0xC0),
/* Interface control
* DM(1): RGB interface mode
* RM(1): RGB interface for writing to GRAM
* RIM(0): 16/18bits RGB interface (1 transfer/pixel) */
COMMAND(IFCTL), DATA(0x01), DATA(0x00), DATA(0x06),
// Entry mode set, skipped
// Sleep out, requires a 100ms delay
COMMAND(SLPOUT), DELAY(100),
COMMAND(DISPON), DELAY(20),
COMMAND(NOP) // Used to mark the end of the init sequence
// Display on, requires a 20ms delay
COMMAND(DISPON), DELAY(20)
};
void perform_instruction(ili9341_t * c, instruction_t * instruction) {
@@ -73,14 +80,14 @@ void perform_instruction(ili9341_t * c, instruction_t * instruction) {
}
}
void ili9341_initialize(ili9341_t * c, bool rgb) {
void ili9341_initialize(ili9341_t * c) {
// Falling edge on CSX
c->chip_select_pin_write(0);
// Send all the initialisation_sequence
instruction_t * instruction = initialisation_sequence;
while (!(instruction->mode == COMMAND_MODE && instruction->payload == NOP)) {
perform_instruction(c, instruction++);
size_t init_sequence_length = sizeof(initialisation_sequence)/sizeof(initialisation_sequence[0]);
for (int i=0; i<init_sequence_length;i++) {
perform_instruction(c, initialisation_sequence+i);
}
#define FILL_SCREEN_UPON_INIT 1

2
platform/ili9341/ili9341.h
View File

@@ -14,6 +14,6 @@ typedef struct {
void (*spi_write)(char * data, size_t size);
} ili9341_t;
void ili9341_initialize(ili9341_t * controller, bool enable_rgb_interface);
void ili9341_initialize(ili9341_t * controller);
void ili9341_set_gamma(ili9341_t * controller);
#endif

2
platform/stm32f429/init_lcd.c
View File

@@ -298,7 +298,7 @@ static ili9341_t panel = {
};
static void init_panel() {
ili9341_initialize(&panel, 1);
ili9341_initialize(&panel);
}
static void spi_5_write(char * data, size_t size) {