57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
#include "oled_panel_elw1501aa.h"
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#include "epd_private.h"
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static uint8_t ewl1501aa_init_sequence[] = {
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0x01, 0x81, 0x9C, // Set contrast control
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0x01, 0xA0, 0x53, // Set segment re-map
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0x01, 0xA1, 0x00, // Set display start line
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0x01, 0xA2, 0x00, // Set display offset
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0x00, 0xA4, // Set normal display mode
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0x01, 0xA8, 0x7F, // Set MUX ratio
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0x01, 0xAB, 0x01, // Set enable internal VDD regulator mode
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0x01, 0xB1, 0x31, // Set phase length of phase 1, phase 2
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0x01, 0xB3, 0xF1, // Set ratio of dividing frequency & oscillation frequency
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0x00, 0xB9, // Set gray scale table
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0x01, 0xBC, 0x07, // Set pre-charge voltage
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0x01, 0xBE, 0x07, // Set voltage VCOMH
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0x02, 0x15, 0x00, 0x3F, // Set column address
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0x02, 0x75, 0x00, 0x7F, // Set row address
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};
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static epd_ret_t oled_ewl1501aa_reset(oled_ewl1501aa_t *oled) {
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if (oled->cb.reset_cb != NULL) {
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return oled->cb.reset_cb(oled->user_data);
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}
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return EPD_OK;
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}
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epd_ret_t oled_ewl1501aa_init(oled_ewl1501aa_t *oled) {
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EPD_ERROR_CHECK(oled_ewl1501aa_reset(oled));
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EPD_ERROR_CHECK(epd_common_execute_sequence(&oled->cb, oled->user_data, ewl1501aa_init_sequence,
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sizeof(ewl1501aa_init_sequence)));
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return EPD_OK;
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}
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static epd_ret_t oled_ewl1501aa_window(oled_ewl1501aa_t *oled, epd_coord_t *coord) {
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if (coord->x_start % 2 != 0 || coord->x_end % 2 == 0) {
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return EPD_FAIL;
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}
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return EPD_OK;
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}
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epd_ret_t oled_ewl1501aa_upload(oled_ewl1501aa_t *ewl, uint8_t *data) {
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EPD_ERROR_CHECK(ewl->cb.write_data_cb(ewl->user_data, data, 8192));
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return EPD_OK;
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}
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epd_ret_t oled_ewl1501aa_power(oled_ewl1501aa_t *oled, uint8_t on) {
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uint8_t cmd[2] = {0xAE, 0x00};
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if (on) cmd[0] = 0xAF;
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EPD_ERROR_CHECK(oled->cb.write_command_cb(oled->user_data, cmd, 1));
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return EPD_OK;
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} |