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SSD1308_128x64_I2C_opt
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SSD1308_128x64_I2C
by 
Wim Huiskamp
Revision 5:b6fbc7614a98, committed 2018-06-12
- Comitter:
- ruevs
- Date:
- Tue Jun 12 08:22:06 2018 +0000
- Parent:
- 4:df92b0c0cb92
- Commit message:
- MPU9250 and BMP180 support for the "Xadow - IMU 10DOF" board.
Changed in this revision
| SSD1308.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/SSD1308.cpp Thu Jan 01 17:53:40 2015 +0000
+++ b/SSD1308.cpp Tue Jun 12 08:22:06 2018 +0000
@@ -51,7 +51,7 @@
//#include "font_16x20.h"
#include "font_16x24.h"
-#if defined(TARGET_LPC1768)
+#if (defined(TARGET_LPC1768)) || (defined(TARGET_LPC11UXX) || defined(TARGET_LPC11U6X) || defined(TARGET_LPC1347) || defined(TARGET_LPC1549))
#define I2C_OPTIMIZE 1
#else
#define I2C_OPTIMIZE 0
@@ -418,7 +418,7 @@
* @param char chr character to write
*/
void SSD1308::writeChar(char chr) {
-
+#if (I2C_OPTIMIZE == 0)
const uint8_t char_index = chr - 0x20;
for (uint8_t i = 0; i < 8; i++) {
@@ -429,7 +429,9 @@
_sendData( font_8x8[char_index][i] );
}
}
-
+#else
+ _sendData(8, (uint8_t *)&(font_8x8[chr-0x20][0]));
+#endif
}
@@ -691,25 +693,11 @@
* @param uint8_t data databyte to write
*/
void SSD1308::_sendData(uint8_t data){
-
-#if (I2C_OPTIMIZE == 0)
-//I2C Blockwrite versions dont seem to work ?
-//That may be related to fact that the SSD1308/SSD1306 does NOT return an acknowledge: blockwrite may abort the operation
-//Noted for mbed lib v63 on 20/7/13
char databytes[2];
databytes[0] = DATA_MODE;
databytes[1] = data;
_i2c.write(_writeOpcode, databytes, 2); // Write Data
-
-#else
- _i2c.start();
- _i2c.write(_writeOpcode);
- _i2c.write(DATA_MODE);
- _i2c.write(data);
- _i2c.stop();
-#endif
-
}
/** @brief Write len bytes from buffer data to display,