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OLED: update to I2C API

This commit is contained in:
King Kévin 2018-03-21 10:13:06 +01:00
parent f6c50cb196
commit 0cfde88015
1 changed files with 8 additions and 8 deletions
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16
lib/oled_ssd1306.c
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@ -42,7 +42,7 @@
bool oled_ssd1306_setup(void)
{
i2c_master_setup(OLED_SSD1306_I2C, true);
i2c_master_setup(OLED_SSD1306_I2C, 400); // setup I2C bus ( SSD1306 supports an I2C cleck up to 400 kHz)
const uint8_t oled_init[] = {
0x00, // control byte: continuous (multiple byes), command
0xae, // Set Display ON/OFF: OFF
@ -65,7 +65,7 @@ bool oled_ssd1306_setup(void)
// Addressing Setting
0x20, 0x00 // Set Memory Addressing Mode: Horizontal Addressing Mode
}; // command to initialize the display
return i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, oled_init, LENGTH(oled_init)); // send command to initialize display
return i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, oled_init, LENGTH(oled_init)); // send command to initialize display
}
void oled_ssd1306_on(void)
@ -74,7 +74,7 @@ void oled_ssd1306_on(void)
0x80, // control byte: no continuation, command
0xaf, // Set Display ON/OFF: ON
}; // command to switch on display
i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, oled_display_on, LENGTH(oled_display_on)); // sent command to switch on display
i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, oled_display_on, LENGTH(oled_display_on)); // sent command to switch on display
}
void oled_ssd1306_off(void)
@ -83,7 +83,7 @@ void oled_ssd1306_off(void)
0x80, // control byte: no continuation, command
0xae, // Set Display ON/OFF: OFF
}; // command to switch off display
i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, oled_display_off, LENGTH(oled_display_off)); // sent command to switch onff display
i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, oled_display_off, LENGTH(oled_display_off)); // sent command to switch onff display
}
void oled_ssd1306_test(void)
@ -92,7 +92,7 @@ void oled_ssd1306_test(void)
0x80, // control byte: no continuation, command
0xa5 // Entire Display ON: Entire display ON Output ignores RAM content
}; // command to set entire display on
i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, oled_entire_display_on, LENGTH(oled_entire_display_on)); // send command to switch entire display on
i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, oled_entire_display_on, LENGTH(oled_entire_display_on)); // send command to switch entire display on
oled_ssd1306_on(); // set display on
sleep_ms(200); // let is on for a bit (enough for the user to see it is completely on
oled_ssd1306_off(); // set display off
@ -100,7 +100,7 @@ void oled_ssd1306_test(void)
0x80, // control byte: no continuation, command
0xa4 // Entire Display ON: Resume to RAM content display
}; // command to display RAM
i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, oled_entire_display_ram, LENGTH(oled_entire_display_ram)); // send command to display RAM
i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, oled_entire_display_ram, LENGTH(oled_entire_display_ram)); // send command to display RAM
}
void oled_ssd1306_display(const uint8_t* display_data, uint16_t display_length)
@ -116,11 +116,11 @@ void oled_ssd1306_display(const uint8_t* display_data, uint16_t display_length)
0x00, // Set Lower Column Start Address for Page Addressing Mode: 0
0x10 // Set Higher Column Start Address for Page Addressing Mode: 0
}; // command to set addressing mode
i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, oled_start_page, LENGTH(oled_start_page)); // send command to set addressing mode
i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, oled_start_page, LENGTH(oled_start_page)); // send command to set addressing mode
if (!i2c_master_start(OLED_SSD1306_I2C)) { // send start condition
return;
}
if (!i2c_master_select_slave(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, true)) { // select OLED display
if (!i2c_master_select_slave(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, true)) { // select OLED display
return;
}
const uint8_t oled_data[] = {