void oled_draw_rect(uint8 x, uint8 y, uint8 w, uint8 h, uint8 *data)
{
Set_Column_Address(x, x+w-1);
Set_Row_Address(y, y+h-1);
write_c(SSD1351_CMD_WRITERAM);
write_d_stream(data, w*h*BPP);
}
int main(int argc, char* argv[])
{
if (argc > 1) {
int i, n = atoi(argv[1]);
if (argc == 2) {
for (i = 0; i < n; ++i) {
write(i);
}
}
else if (argv[2][1] == 'e') {
for (i = 0; i < n; ++i) {
write_e(i);
}
}
else if (argv[2][1] == 'c') {
for (i = 0; i < n; ++i) {
write_c(i);
}
}
else if (argv[2][1] == 'n') {
for (i = 0; i < n; ++i) {
write_n(i);
}
}
}
return 0;
}
static void Set_Display_Mode(unsigned char d) {
write_c(0xA4|d); // Set Display Mode
// Default => 0xA6
// 0xA4 (0x00) => Entire Display Off, All Pixels Turn Off
// 0xA5 (0x01) => Entire Display On, All Pixels Turn On at GS Level 63
// 0xA6 (0x02) => Normal Display
// 0xA7 (0x03) => Inverse Display
}
static void Set_VSL(unsigned char d) {
write_c(0xB4); // Set Segment Low Voltage
write_d(0xA0|d); // Default => 0xA0
// 0xA0 (0x00) => Enable External VSL
// 0xA2 (0x02) => Enable Internal VSL (Kept VSL Pin N.C.)
write_d(0xB5);
write_d(0x55);
}
void Set_Command_Lock(unsigned char d)
{
write_c(0xFD); // Set Command Lock
write_d(d); // Default => 0x12
// 0x12 => Driver IC interface is unlocked from entering command.
// 0x16 => All Commands are locked except 0xFD.
// 0xB0 => Command 0xA2, 0xB1, 0xB3, 0xBB & 0xBE are inaccessible.
// 0xB1 => All Commands are accessible.
}
static void Set_Remap_Format(unsigned char d) {
write_c(0xA0); // Set Re-Map / Color Depth
write_d(d); // Default => 0x40
// Horizontal Address Increment
// Column Address 0 Mapped to SEG0
// Color Sequence: A => B => C
// Scan from COM0 to COM[N-1]
// Disable COM Split Odd Even
// 65,536 Colors
}
extern void
_write_s(int offset, int len, uint8 * str)
{
int i;
for (i = 0; i < len; i++)
{
write_c(i + offset, str[i]);
}
}
//=========================================================
// Clear OLED GDRAM
//=========================================================
void CLS(uint16 color) {
Home();
write_c(SSD1351_CMD_WRITERAM); // Enable MCU to Write to RAM
uint8_t c[256];
for(uint32_t i=0;i<256;i++) c[i] = color;
for(uint32_t j=0;j<128;j++) {
oled_draw_rect(0,j,128,1,c);
}
}
ssize_t send_msg_group(client_t* client, msg_group_t* g)
{
size_t i;
ssize_t written, ret = 0;
size_t left, fixed;
if (g->count == 0) return -1;
left = msg_data_length(g->elements[0]);
fixed = qtun->max_length;
for (i = 0; i < g->count - 1UL; ++i)
{
written = write_c(client, g->elements[i], sizeof(msg_t) + fixed);
if (written <= 0) return written;
ret += written;
left -= fixed;
}
written = write_c(client, g->elements[g->count - 1], sizeof(msg_t) + left);
if (written <= 0) return written;
return ret + written;
}
static void server_process_sys(client_t* client, msg_t* msg)
{
switch (GET_SYS_OP(msg->sys))
{
case SYS_PING:
if (IS_SYS_REQUEST(msg->sys))
{
client->keepalive = (unsigned int)time(NULL);
msg_t* new_msg = new_keepalive_msg(0);
write_c(client, new_msg, sizeof(msg_t));
SYSLOG(LOG_INFO, "reply keepalive message");
pool_room_free(&this.pool, MSG_ROOM_IDX);
}
break;
}
}
static void Set_Display_Offset(unsigned char d) {
write_c(0xA2); // Set Vertical Scroll by Row
write_d(d); // Default => 0x60
}
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// Instruction Setting
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
void Set_Column_Address(unsigned char a, unsigned char b) {
write_c(0x15); // Set Column Address
write_d(a); // Default => 0x00 (Start Address)
write_d(b); // Default => 0x7F (End Address)
}
void Set_Row_Address(unsigned char a, unsigned char b) {
write_c(0x75); // Set Row Address
write_d(a); // Default => 0x00 (Start Address)
write_d(b); // Default => 0x7F (End Address)
}
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// Gray Scale Table Setting (Full Screen)
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static void Set_Gray_Scale_Table()
{
write_c(0xB8);
write_d(0x02); // Gray Scale Level 1
write_d(0x03); // Gray Scale Level 2
write_d(0x04); // Gray Scale Level 3
write_d(0x05); // Gray Scale Level 4
write_d(0x06); // Gray Scale Level 5
write_d(0x07); // Gray Scale Level 6
write_d(0x08); // Gray Scale Level 7
write_d(0x09); // Gray Scale Level 8
write_d(0x0A); // Gray Scale Level 9
write_d(0x0B); // Gray Scale Level 10
write_d(0x0C); // Gray Scale Level 11
write_d(0x0D); // Gray Scale Level 12
write_d(0x0E); // Gray Scale Level 13
write_d(0x0F); // Gray Scale Level 14
write_d(0x10); // Gray Scale Level 15
write_d(0x11); // Gray Scale Level 16
write_d(0x12); // Gray Scale Level 17
write_d(0x13); // Gray Scale Level 18
write_d(0x15); // Gray Scale Level 19
write_d(0x17); // Gray Scale Level 20
write_d(0x19); // Gray Scale Level 21
write_d(0x1B); // Gray Scale Level 22
write_d(0x1D); // Gray Scale Level 23
write_d(0x1F); // Gray Scale Level 24
write_d(0x21); // Gray Scale Level 25
write_d(0x23); // Gray Scale Level 26
write_d(0x25); // Gray Scale Level 27
write_d(0x27); // Gray Scale Level 28
write_d(0x2A); // Gray Scale Level 29
write_d(0x2D); // Gray Scale Level 30
write_d(0x30); // Gray Scale Level 31
write_d(0x33); // Gray Scale Level 32
write_d(0x36); // Gray Scale Level 33
write_d(0x39); // Gray Scale Level 34
write_d(0x3C); // Gray Scale Level 35
write_d(0x3F); // Gray Scale Level 36
write_d(0x42); // Gray Scale Level 37
write_d(0x45); // Gray Scale Level 38
write_d(0x48); // Gray Scale Level 39
write_d(0x4C); // Gray Scale Level 40
write_d(0x50); // Gray Scale Level 41
write_d(0x54); // Gray Scale Level 42
write_d(0x58); // Gray Scale Level 43
write_d(0x5C); // Gray Scale Level 44
write_d(0x60); // Gray Scale Level 45
write_d(0x64); // Gray Scale Level 46
write_d(0x68); // Gray Scale Level 47
write_d(0x6C); // Gray Scale Level 48
write_d(0x70); // Gray Scale Level 49
write_d(0x74); // Gray Scale Level 50
write_d(0x78); // Gray Scale Level 51
write_d(0x7D); // Gray Scale Level 52
write_d(0x82); // Gray Scale Level 53
write_d(0x87); // Gray Scale Level 54
write_d(0x8C); // Gray Scale Level 55
write_d(0x91); // Gray Scale Level 56
write_d(0x96); // Gray Scale Level 57
write_d(0x9B); // Gray Scale Level 58
write_d(0xA0); // Gray Scale Level 59
write_d(0xA5); // Gray Scale Level 60
write_d(0xAA); // Gray Scale Level 61
write_d(0xAF); // Gray Scale Level 62
write_d(0xB4); // Gray Scale Level 63
}
static void Set_Function_Selection(unsigned char d) {
write_c(0xAB); // Function Selection
write_d(d); // Default => 0x01
// Enable Internal VDD Regulator
// Select 8-bit Parallel Interface
}
void menu_func_OLED_addjust_brightness(){
while(!JOY_button(1)){
write_c(0x81);
write_c(JOY_slider(1));
}
}
static void Set_Display_Enhancement(unsigned char d) {
write_c(0xB2); // Display Enhancement
write_d(d); // Default => 0x00 (Normal)
write_d(0x00);
write_d(0x00);
}
static void Set_Contrast_Color(unsigned char a, unsigned char b, unsigned char c) {
write_c(0xC1); // Set Contrast Current for Color A, B, C
write_d(a); // Default => 0x8A (Color A)
write_d(b); // Default => 0x51 (Color B)
write_d(c); // Default => 0x8A (Color C)
}
void Set_Master_Current(unsigned char d) {
write_c(0xC7); // Master Contrast Current Control
write_d(d); // Default => 0x0F (Maximum)
}
static void Set_Phase_Length(unsigned char d) {
write_c(0xB1); // Phase 1 (Reset) & Phase 2 (Pre-Charge) Period Adjustment
write_d(d); // Default => 0x82 (8 Display Clocks [Phase 2] / 5 Display Clocks [Phase 1])
// D[3:0] => Phase 1 Period in 5~31 Display Clocks
// D[7:4] => Phase 2 Period in 3~15 Display Clocks
}
static void Set_Display_Off() {
write_c(0xAE);
}
static void Set_Precharge_Voltage(unsigned char d) {
write_c(0xBB); // Set Pre-Charge Voltage Level
write_d(d); // Default => 0x17 (0.50*VCC)
}
static void Set_Precharge_Period(unsigned char d) {
write_c(0xB6); // Set Second Pre-Charge Period
write_d(d); // Default => 0x08 (8 Display Clocks)
}
static void Set_GPIO(unsigned char d) {
write_c(0xB5); // General Purpose IO
write_d(d); // Default => 0x0A (GPIO Pins output Low Level.)
}
static void Set_Start_Line(unsigned char d) {
write_c(0xA1); // Set Vertical Scroll by RAM
write_d(d); // Default => 0x00
}
static void Set_Multiplex_Ratio(unsigned char d) {
write_c(0xCA); // Set Multiplex Ratio
write_d(d); // Default => 0x7F (1/128 Duty)
}
//Initializes the OLED screen with a blank screen
void oled_init(){
write_c(0xae); // display off
write_c(0xa1); //segment remap
write_c(0xda); //common pads hardware: alternative
write_c(0x12);
write_c(0xc8); //common output scan direction:com63~com0
write_c(0xa8); //multiplex ration mode:63
write_c(0x3f);
write_c(0xd5); //display divide ratio/osc. freq. mode
write_c(0x80);
write_c(0x81); //contrast control
write_c(0x50);
write_c(0xd9); //set pre-charge period
write_c(0x21);
write_c(0x20); //Set Memory Addressing Mode
write_c(0x02);
write_c(0xdb); //VCOM deselect level mode
write_c(0x30);
write_c(0xad); //master configuration
write_c(0x00);
write_c(0xa4); //out follows RAM content
write_c(0xa6); //set normal display
write_c(0xaf); // display on
// Clear screen
oled_clear_screen();
}
static void Set_Display_On() {
write_c(0xAF);
}
static void Set_VCOMH(unsigned char d) {
write_c(0xBE); // Set COM Deselect Voltage Level
write_d(d); // Default => 0x05 (0.82*VCC)
}
static void Set_Display_Clock(unsigned char d) {
write_c(0xB3); // Set Display Clock Divider / Oscillator Frequency
write_d(d); // Default => 0x00
// A[3:0] => Display Clock Divider
// A[7:4] => Oscillator Frequency
}