Browse Source

Update WireKinetis.cpp

main
Frank 6 years ago
parent
commit
a3914c047d
No account linked to committer's email address
1 changed files with 12 additions and 2 deletions
  1. +12
    -2
      WireKinetis.cpp

+ 12
- 2
WireKinetis.cpp View File

* THE SOFTWARE. * THE SOFTWARE.
*/ */


#include <Arduino.h>
#include "Wire.h" #include "Wire.h"


#if defined(__arm__) && defined(TEENSYDUINO) #if defined(__arm__) && defined(TEENSYDUINO)
{ {
if (!(hardware.clock_gate_register & hardware.clock_gate_mask)) return; if (!(hardware.clock_gate_register & hardware.clock_gate_mask)) return;


#if F_BUS == 120000000
#if F_BUS == 128000000
if (frequency < 400000) {
port().F = I2C_F_DIV1280; // 100 kHz
} else if (frequency < 1000000) {
port().F = I2C_F_DIV320; // 400 kHz
} else {
port().F = I2C_F_DIV128; // 1 MHz
}
port().FLT = 4;
#elif F_BUS == 120000000
if (frequency < 400000) { if (frequency < 400000) {
port().F = I2C_F_DIV1152; // 104 kHz port().F = I2C_F_DIV1152; // 104 kHz
} else if (frequency < 1000000) { } else if (frequency < 1000000) {
port().F = 0x00; // 100 kHz port().F = 0x00; // 100 kHz
port().FLT = 1; port().FLT = 1;
#else #else
#error "F_BUS must be 120, 108, 96, 90, 80, 72, 64, 60, 56, 54, 48, 40, 36, 24, 16, 8, 4 or 2 MHz"
#error "F_BUS must be 128, 120, 108, 96, 90, 80, 72, 64, 60, 56, 54, 48, 40, 36, 24, 16, 8, 4 or 2 MHz"
#endif #endif
} }



Loading…
Cancel
Save