zenermerps/lvgl_esp32_drivers
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

fix(uc8151d): Fix break when hardware reset is disabled

Browse source 
CONFIG_LV_DISP_USE_RST is not defined when hardware reset is disabled
This commit is contained in:
C47D 2021-10-05 18:58:47 -05:00
parent 3b33c04585
commit 52f89b10e1
1 changed files with 18 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
lvgl_tft/uc8151d.c
View file

@ -39,8 +39,12 @@
#define PIN_DC CONFIG_LV_DISP_PIN_DC #define PIN_DC CONFIG_LV_DISP_PIN_DC
#define PIN_DC_BIT ((1ULL << (uint8_t)(CONFIG_LV_DISP_PIN_DC))) #define PIN_DC_BIT ((1ULL << (uint8_t)(CONFIG_LV_DISP_PIN_DC)))
#if defined CONFIG_LV_DISP_PIN_RST
#define PIN_RST CONFIG_LV_DISP_PIN_RST #define PIN_RST CONFIG_LV_DISP_PIN_RST
#define PIN_RST_BIT ((1ULL << (uint8_t)(CONFIG_LV_DISP_PIN_RST))) #define PIN_RST_BIT ((1ULL << (uint8_t)(CONFIG_LV_DISP_PIN_RST)))
#endif
#define PIN_BUSY CONFIG_LV_DISP_PIN_BUSY #define PIN_BUSY CONFIG_LV_DISP_PIN_BUSY
#define PIN_BUSY_BIT ((1ULL << (uint8_t)(CONFIG_LV_DISP_PIN_BUSY))) #define PIN_BUSY_BIT ((1ULL << (uint8_t)(CONFIG_LV_DISP_PIN_BUSY)))
#define EVT_BUSY (1UL << 0UL) #define EVT_BUSY (1UL << 0UL)
@ -139,14 +143,13 @@ static void uc8151d_sleep()
uc8151d_spi_send_data_byte(0xa5); uc8151d_spi_send_data_byte(0xa5);
} }
static void uc8151d_reset(void);
static void uc8151d_panel_init() static void uc8151d_panel_init()
{ {
// Hardware reset for 3 times - not sure why but it's from official demo code // Hardware reset for 3 times - not sure why but it's from official demo code
for (uint8_t cnt = 0; cnt < 3; cnt++) { for (uint8_t cnt = 0; cnt < 3; cnt++) {
gpio_set_level(PIN_RST, 0); uc8151d_reset();
vTaskDelay(pdMS_TO_TICKS(10)); // At least 10ms, leave 20ms for now just in case...
gpio_set_level(PIN_RST, 1);
vTaskDelay(pdMS_TO_TICKS(10));
} }
// Power up // Power up
@ -240,16 +243,6 @@ void uc8151d_init()
return; return;
} }
// Setup output pins, output (PP)
gpio_config_t out_io_conf = {
.intr_type = GPIO_INTR_DISABLE,
.mode = GPIO_MODE_OUTPUT,
.pin_bit_mask = PIN_DC_BIT | PIN_RST_BIT,
.pull_down_en = 0,
.pull_up_en = 0,
};
ESP_ERROR_CHECK(gpio_config(&out_io_conf));
// Setup input pin, pull-up, input // Setup input pin, pull-up, input
gpio_config_t in_io_conf = { gpio_config_t in_io_conf = {
.intr_type = GPIO_INTR_POSEDGE, .intr_type = GPIO_INTR_POSEDGE,
@ -266,3 +259,14 @@ void uc8151d_init()
uc8151d_panel_init(); uc8151d_panel_init();
ESP_LOGI(TAG, "Panel initialised"); ESP_LOGI(TAG, "Panel initialised");
} }
static void uc8151d_reset(void)
{
#if defined CONFIG_LV_DISP_USE_RST
gpio_set_level(PIN_RST, 0);
// At least 10ms, leave 20ms for now just in case...
vTaskDelay(pdMS_TO_TICKS(20));
gpio_set_level(PIN_RST, 1);
vTaskDelay(pdMS_TO_TICKS(10));
#endif
}