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depg0213_epd
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Fix LUT initialization sequence according to datasheet, fix #1

This commit is contained in:
imi415 2021-01-15 00:26:29 +08:00
parent b60a55be73
commit 8abed07c23
Signed by: imi415
GPG Key ID: 17F01E106F9F5E0A
1 changed files with 13 additions and 14 deletions
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27
depg0213_epd.c
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@ -9,10 +9,7 @@ uint8_t depg0213_dke_init_sequence[] = {
0x01, 0x03, 0x17, // Gate voltage settings
0x03, 0x04, 0x41, 0xAC, 0x32, // Source voltage settings
0x01, 0x3A, 0x02, // Frame setting 1
0x01, 0x3B, 0x0D, // Frame setting 2
0x01, 0x18, 0x80, // Set built-in temperature sensor
0x01, 0x22, 0xB1, // Load LUT 1
0x00, 0x20 // Load LUT 2
0x01, 0x3B, 0x0D // Frame setting 2
};
uint8_t depg0213_dke_lut_full[] = {
@ -75,24 +72,26 @@ depg0213_ret_t _depg0213_init_seq(depg0213_epd_t *epd) {
i += DEPG0213_PANEL_SELECTION[i] + 2;
}
// The end of the sequence is load LUT from OTP memory.
DEPG0213_ERROR_CHECK(epd->cb.poll_busy_cb(epd->user_data));
return DEPG0213_OK;
}
#if(!DEPG0213_LUT_OTP)
depg0213_ret_t _depg0213_load_lut(depg0213_epd_t *epd) {
#if(!DEPG0213_LUT_OTP)
uint8_t lut_command = 0x32;
DEPG0213_ERROR_CHECK(epd->cb.write_cmd_cb(epd->user_data, &lut_command, 0x01));
DEPG0213_ERROR_CHECK(epd->cb.write_cmd_cb(epd->user_data, DEPG0213_LUT_FULL_SELECTION, 70));
DEPG0213_ERROR_CHECK(epd->cb.write_data_cb(epd->user_data, DEPG0213_LUT_FULL_SELECTION, 70));
#else
uint8_t lut_command[2] = { 0x18, 0x80, 0x22, 0xB1, 0x20 };
DEPG0213_ERROR_CHECK(epd->cb.write_cmd_cb(epd->user_data, lut_command, 0x02));
DEPG0213_ERROR_CHECK(epd->cb.write_cmd_cb(epd->user_data, &lut_command[2], 0x02));
DEPG0213_ERROR_CHECK(epd->cb.write_cmd_cb(epd->user_data, &lut_command[4], 0x01));
// The end of the sequence is load LUT from OTP memory.
DEPG0213_ERROR_CHECK(epd->cb.poll_busy_cb(epd->user_data));
#endif
return DEPG0213_OK;
}
#endif
depg0213_ret_t depg0213_epd_init(depg0213_epd_t *epd) {
// Software reset follows hardware reset
@ -102,11 +101,11 @@ depg0213_ret_t depg0213_epd_init(depg0213_epd_t *epd) {
// Setup default direction
DEPG0213_ERROR_CHECK(depg0213_epd_direction(epd, DEPG0213_VERTICAL));
// Send initialization chants
DEPG0213_ERROR_CHECK(_depg0213_init_seq(epd));
#if(!DEPG0213_LUT_OTP)
// Write LUT
DEPG0213_ERROR_CHECK(_depg0213_load_lut(epd));
#endif
return DEPG0213_OK;
}