oled_ssd1306: minor, put spaces around comparators
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@ -68,7 +68,7 @@ bool oled_ssd1306_setup(void)
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// Addressing Setting
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// Addressing Setting
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0x20, 0x00 // Set Memory Addressing Mode: Horizontal Addressing Mode
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0x20, 0x00 // Set Memory Addressing Mode: Horizontal Addressing Mode
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}; // command to initialize the display
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}; // command to initialize the display
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return I2C_MASTER_RC_NONE==i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, oled_init, LENGTH(oled_init)); // send command to initialize display
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return I2C_MASTER_RC_NONE == i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, oled_init, LENGTH(oled_init)); // send command to initialize display
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}
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}
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void oled_ssd1306_on(void)
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void oled_ssd1306_on(void)
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@ -109,7 +109,7 @@ void oled_ssd1306_test(void)
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void oled_ssd1306_display(const uint8_t* display_data, uint16_t display_length)
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void oled_ssd1306_display(const uint8_t* display_data, uint16_t display_length)
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{
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{
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// verify input
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// verify input
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if (0==display_length || NULL==display_data) {
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if (0 == display_length || NULL == display_data) {
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return;
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return;
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}
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}
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@ -120,19 +120,19 @@ void oled_ssd1306_display(const uint8_t* display_data, uint16_t display_length)
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0x10 // Set Higher Column Start Address for Page Addressing Mode: 0
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0x10 // Set Higher Column Start Address for Page Addressing Mode: 0
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}; // command to set addressing mode
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}; // command to set addressing mode
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i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, oled_start_page, LENGTH(oled_start_page)); // send command to set addressing mode
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i2c_master_slave_write(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, oled_start_page, LENGTH(oled_start_page)); // send command to set addressing mode
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if (I2C_MASTER_RC_NONE!=i2c_master_start(OLED_SSD1306_I2C)) { // send start condition
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if (I2C_MASTER_RC_NONE != i2c_master_start(OLED_SSD1306_I2C)) { // send start condition
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return;
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return;
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}
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}
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if (I2C_MASTER_RC_NONE!=i2c_master_select_slave(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, true)) { // select OLED display
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if (I2C_MASTER_RC_NONE != i2c_master_select_slave(OLED_SSD1306_I2C, OLED_SSD1306_SLAVE, false, true)) { // select OLED display
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return;
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return;
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}
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}
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const uint8_t oled_data[] = {
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const uint8_t oled_data[] = {
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0x40, // control byte: continuous (multiple byes), data
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0x40, // control byte: continuous (multiple byes), data
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};
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};
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if (I2C_MASTER_RC_NONE!=i2c_master_write(OLED_SSD1306_I2C, oled_data, LENGTH(oled_data))) { // send data header
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if (I2C_MASTER_RC_NONE != i2c_master_write(OLED_SSD1306_I2C, oled_data, LENGTH(oled_data))) { // send data header
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return;
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return;
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}
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}
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if (I2C_MASTER_RC_NONE!=i2c_master_write(OLED_SSD1306_I2C, display_data, display_length)) { // send template picture to display
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if (I2C_MASTER_RC_NONE != i2c_master_write(OLED_SSD1306_I2C, display_data, display_length)) { // send template picture to display
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return;
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return;
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}
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}
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i2c_master_stop(OLED_SSD1306_I2C); // send stop condition
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i2c_master_stop(OLED_SSD1306_I2C); // send stop condition
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