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lvgl_tft: Remove gpio_pad_select_gpio from drivers init functions

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This commit is contained in:
C47D 2022-01-11 19:21:38 -06:00
parent 8cb1b3bdc2
commit 31247430df
6 changed files with 205 additions and 218 deletions
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149
lvgl_tft/ili9486.c
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@ -35,7 +35,7 @@ static void ili9486_set_orientation(uint8_t orientation);
static void ili9486_send_cmd(uint8_t cmd);
static void ili9486_send_data(void * data, uint16_t length);
static void ili9486_send_color(void * data, uint16_t length);
static void ili9486_reset(void);
/**********************
* STATIC VARIABLES
**********************/
@ -50,77 +50,62 @@ static void ili9486_send_color(void * data, uint16_t length);
void ili9486_init(void)
{
lcd_init_cmd_t ili_init_cmds[]={
{0x11, {0}, 0x80},
{0x3A, {0x55}, 1},
{0x2C, {0x44}, 1},
{0xC5, {0x00, 0x00, 0x00, 0x00}, 4},
{0xE0, {0x0F, 0x1F, 0x1C, 0x0C, 0x0F, 0x08, 0x48, 0x98, 0x37, 0x0A, 0x13, 0x04, 0x11, 0x0D, 0x00}, 15},
{0XE1, {0x0F, 0x32, 0x2E, 0x0B, 0x0D, 0x05, 0x47, 0x75, 0x37, 0x06, 0x10, 0x03, 0x24, 0x20, 0x00}, 15},
{0x20, {0}, 0}, /* display inversion OFF */
{0x36, {0x48}, 1},
{0x29, {0}, 0x80}, /* display on */
{0x00, {0}, 0xff},
};
lcd_init_cmd_t ili_init_cmds[]={
{0x11, {0}, 0x80},
{0x3A, {0x55}, 1},
{0x2C, {0x44}, 1},
{0xC5, {0x00, 0x00, 0x00, 0x00}, 4},
{0xE0, {0x0F, 0x1F, 0x1C, 0x0C, 0x0F, 0x08, 0x48, 0x98, 0x37, 0x0A, 0x13, 0x04, 0x11, 0x0D, 0x00}, 15},
{0XE1, {0x0F, 0x32, 0x2E, 0x0B, 0x0D, 0x05, 0x47, 0x75, 0x37, 0x06, 0x10, 0x03, 0x24, 0x20, 0x00}, 15},
{0x20, {0}, 0}, /* display inversion OFF */
{0x36, {0x48}, 1},
{0x29, {0}, 0x80}, /* display on */
{0x00, {0}, 0xff},
};
//Initialize non-SPI GPIOs
gpio_pad_select_gpio(ILI9486_DC);
gpio_set_direction(ILI9486_DC, GPIO_MODE_OUTPUT);
ili9486_reset();
#if ILI9486_USE_RST
gpio_pad_select_gpio(ILI9486_RST);
gpio_set_direction(ILI9486_RST, GPIO_MODE_OUTPUT);
LV_LOG_INFO("ILI9486 Initialization.");
//Reset the display
gpio_set_level(ILI9486_RST, 0);
vTaskDelay(100 / portTICK_RATE_MS);
gpio_set_level(ILI9486_RST, 1);
vTaskDelay(100 / portTICK_RATE_MS);
#endif
LV_LOG_INFO("ILI9486 Initialization.");
//Send all the commands
uint16_t cmd = 0;
while (ili_init_cmds[cmd].databytes!=0xff) {
ili9486_send_cmd(ili_init_cmds[cmd].cmd);
ili9486_send_data(ili_init_cmds[cmd].data, ili_init_cmds[cmd].databytes&0x1F);
if (ili_init_cmds[cmd].databytes & 0x80) {
vTaskDelay(100 / portTICK_RATE_MS);
}
cmd++;
}
//Send all the commands
uint16_t cmd = 0;
while (ili_init_cmds[cmd].databytes!=0xff) {
ili9486_send_cmd(ili_init_cmds[cmd].cmd);
ili9486_send_data(ili_init_cmds[cmd].data, ili_init_cmds[cmd].databytes&0x1F);
if (ili_init_cmds[cmd].databytes & 0x80) {
vTaskDelay(100 / portTICK_RATE_MS);
}
cmd++;
}
ili9486_set_orientation(CONFIG_LV_DISPLAY_ORIENTATION);
}
void ili9486_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * color_map)
{
uint8_t data[4] = {0};
uint32_t size = 0;
uint8_t data[4] = {0};
/* 2 is the number of bytes in color depth */
uint32_t size = lv_area_get_width(area) * lv_area_get_height(area) * 2;
/*Column addresses*/
ili9486_send_cmd(0x2A);
data[0] = (area->x1 >> 8) & 0xFF;
data[1] = area->x1 & 0xFF;
data[2] = (area->x2 >> 8) & 0xFF;
data[3] = area->x2 & 0xFF;
ili9486_send_data(data, 4);
/*Column addresses*/
ili9486_send_cmd(0x2A);
data[0] = (area->x1 >> 8) & 0xFF;
data[1] = area->x1 & 0xFF;
data[2] = (area->x2 >> 8) & 0xFF;
data[3] = area->x2 & 0xFF;
ili9486_send_data(data, 4);
/*Page addresses*/
ili9486_send_cmd(0x2B);
data[0] = (area->y1 >> 8) & 0xFF;
data[1] = area->y1 & 0xFF;
data[2] = (area->y2 >> 8) & 0xFF;
data[3] = area->y2 & 0xFF;
ili9486_send_data(data, 4);
/*Page addresses*/
ili9486_send_cmd(0x2B);
data[0] = (area->y1 >> 8) & 0xFF;
data[1] = area->y1 & 0xFF;
data[2] = (area->y2 >> 8) & 0xFF;
data[3] = area->y2 & 0xFF;
ili9486_send_data(data, 4);
/*Memory write*/
ili9486_send_cmd(0x2C);
size = lv_area_get_width(area) * lv_area_get_height(area);
ili9486_send_color((void*) color_map, size * 2);
/*Memory write*/
ili9486_send_cmd(0x2C);
ili9486_send_color((void*) color_map, size);
}
/**********************
@ -128,30 +113,30 @@ void ili9486_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * col
**********************/
static void ili9486_send_cmd(uint8_t cmd)
{
uint8_t to16bit[] = {
0x00, cmd
};
uint8_t to16bit[] = {
0x00, cmd
};
disp_wait_for_pending_transactions();
gpio_set_level(ILI9486_DC, 0); /*Command mode*/
disp_spi_send_data(to16bit, sizeof to16bit);
disp_wait_for_pending_transactions();
gpio_set_level(ILI9486_DC, 0); /*Command mode*/
disp_spi_send_data(to16bit, sizeof to16bit);
}
static void ili9486_send_data(void * data, uint16_t length)
{
uint32_t i;
uint8_t to16bit[32];
uint8_t * dummy = data;
uint32_t i;
uint8_t to16bit[32];
uint8_t * dummy = data;
for(i=0; i < (length); i++)
{
to16bit[2*i+1] = dummy[i];
to16bit[2*i] = 0x00;
}
for(i=0; i < (length); i++)
{
to16bit[2*i+1] = dummy[i];
to16bit[2*i] = 0x00;
}
disp_wait_for_pending_transactions();
gpio_set_level(ILI9486_DC, 1); /*Data mode*/
disp_spi_send_data(to16bit, (length*2));
disp_wait_for_pending_transactions();
gpio_set_level(ILI9486_DC, 1); /*Data mode*/
disp_spi_send_data(to16bit, (length*2));
}
static void ili9486_send_color(void * data, uint16_t length)
@ -179,3 +164,13 @@ static void ili9486_set_orientation(uint8_t orientation)
ili9486_send_cmd(0x36);
ili9486_send_data((void *) &data[orientation], 1);
}
static void ili9486_reset(void)
{
#if ILI9486_USE_RST
gpio_set_level(ILI9486_RST, 0);
vTaskDelay(100 / portTICK_RATE_MS);
gpio_set_level(ILI9486_RST, 1);
vTaskDelay(100 / portTICK_RATE_MS);
#endif
}