123 lines
4.3 KiB
C
123 lines
4.3 KiB
C
#include "panel/oled_zjy150s700.h"
|
|
|
|
#include "epd_private.h"
|
|
|
|
static uint8_t zjy150s700_init_sequence[] = {
|
|
0x01, 0x81, 0x77, // Set contrast control
|
|
0x01, 0xA0, 0x53, // Set segment re-map
|
|
0x01, 0xA1, 0x00, // Set display start line
|
|
0x01, 0xA2, 0x00, // Set display offset
|
|
0x00, 0xA4, // Set normal display mode
|
|
0x01, 0xA8, 0x7F, // Set MUX ratio
|
|
0x01, 0xAB, 0x01, // Set enable internal VDD regulator mode
|
|
0x01, 0xB1, 0x31, // Set phase length of phase 1, phase 2
|
|
0x01, 0xB3, 0xB1, // Set ratio of dividing frequency & oscillation frequency
|
|
0x01, 0xB5, 0x03, // Set GPIO pin output high (External boost regulator EN)
|
|
0x01, 0xB6, 0x0D, // Set pre-charge period
|
|
0x00, 0xB9, // Set gray scale table
|
|
0x01, 0xBC, 0x07, // Set pre-charge voltage
|
|
0x01, 0xBE, 0x07, // Set voltage VCOMH
|
|
0x01, 0xD5, 0x02, // Set second precharge enable
|
|
0x02, 0x15, 0x00, 0x3F, // Set column address
|
|
0x02, 0x75, 0x00, 0x7F, // Set row address
|
|
};
|
|
|
|
static epd_ret_t oled_zjy150s700_reset(oled_zjy150s700_t *oled) {
|
|
if (oled->cb.reset_cb != NULL) {
|
|
return oled->cb.reset_cb(oled->user_data);
|
|
}
|
|
|
|
return EPD_OK;
|
|
}
|
|
|
|
static epd_ret_t oled_zjy150s700_window(oled_zjy150s700_t *oled, epd_coord_t *coord) {
|
|
if (coord->x_start % 2 != 0 || coord->x_end % 2 == 0) {
|
|
return EPD_FAIL;
|
|
}
|
|
|
|
if (coord->x_end > 127 || coord->x_start > coord->x_end) {
|
|
return EPD_FAIL;
|
|
}
|
|
|
|
if (coord->y_end > 127 || coord->y_start > coord->y_end) {
|
|
return EPD_FAIL;
|
|
}
|
|
|
|
uint8_t col_start = coord->x_start / 2;
|
|
uint8_t col_end = coord->x_end / 2;
|
|
|
|
uint8_t col_cmd_buf[3] = {0x15, col_start, col_end};
|
|
uint8_t row_cmd_buf[3] = {0x75, coord->y_start, coord->y_end};
|
|
EPD_ERROR_CHECK(oled->cb.write_command_cb(oled->user_data, col_cmd_buf, 3));
|
|
EPD_ERROR_CHECK(oled->cb.write_command_cb(oled->user_data, row_cmd_buf, 3));
|
|
|
|
return EPD_OK;
|
|
}
|
|
|
|
static inline uint32_t oled_zjy150s700_data_size(epd_coord_t *coord) {
|
|
return (coord->x_end - coord->x_start + 1) * (coord->y_end - coord->y_start + 1) / 2;
|
|
}
|
|
|
|
/**
|
|
* @brief Initialize OLED panel
|
|
* As OLEDs and LCDs need to be driven constantly, also with
|
|
* less overhead and higher data rate, initialization sequence
|
|
* are moved to this seperate function. Call this function before
|
|
* sending framebuffer data.
|
|
* @param oled pointer to oled_zjy150s700_t
|
|
* @return epd_ret_t EPD_OK for success, EPD_FAIL for error.
|
|
*/
|
|
epd_ret_t oled_zjy150s700_init(oled_zjy150s700_t *oled) {
|
|
EPD_ERROR_CHECK(oled_zjy150s700_reset(oled));
|
|
EPD_ERROR_CHECK(epd_common_execute_sequence(&oled->cb, oled->user_data, zjy150s700_init_sequence,
|
|
sizeof(zjy150s700_init_sequence)));
|
|
|
|
EPD_ERROR_CHECK(oled_zjy150s700_power(oled, 1));
|
|
|
|
return EPD_OK;
|
|
}
|
|
|
|
/**
|
|
* @brief Upload frame buffer to screen.
|
|
*
|
|
* @param oled pointer to oled_zjy150s700_t
|
|
* @param coord pointer to epd_coord_t, can be NULL to upload full frame.
|
|
* @param data array pointer to new pixel data.
|
|
* @return epd_ret_t EPD_OK for success, EPD_FAIL for error.
|
|
*/
|
|
epd_ret_t oled_zjy150s700_upload(oled_zjy150s700_t *oled, epd_coord_t *coord, uint8_t *data) {
|
|
uint32_t data_size = 8192;
|
|
if (coord != NULL) {
|
|
EPD_ERROR_CHECK(oled_zjy150s700_window(oled, coord));
|
|
data_size = oled_zjy150s700_data_size(coord);
|
|
}
|
|
EPD_ERROR_CHECK(oled->cb.write_data_cb(oled->user_data, data, data_size));
|
|
|
|
if (coord != NULL) {
|
|
epd_coord_t new_coord = {
|
|
.x_start = 0,
|
|
.x_end = 127,
|
|
.y_start = 0,
|
|
.y_end = 127,
|
|
};
|
|
EPD_ERROR_CHECK(oled_zjy150s700_window(oled, &new_coord));
|
|
}
|
|
return EPD_OK;
|
|
}
|
|
|
|
/**
|
|
* @brief Control the OLED drivers.
|
|
* LCDs and OLEDs needs to be constant driven in order to
|
|
* display a stable image, turn the drivers and source/gate scan on or off.
|
|
*
|
|
* @param oled pointer to oled_zjy150s700_t
|
|
* @param on 0:off, anything else: on
|
|
* @return epd_ret_t EPD_OK for success, EPD_FAIL for error.
|
|
*/
|
|
epd_ret_t oled_zjy150s700_power(oled_zjy150s700_t *oled, uint8_t on) {
|
|
uint8_t cmd[2] = {0xAE, 0x00};
|
|
if (on) cmd[0] = 0xAF;
|
|
EPD_ERROR_CHECK(oled->cb.write_command_cb(oled->user_data, cmd, 1));
|
|
|
|
return EPD_OK;
|
|
} |