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Merge branch 'me-no-dev-esp8266' into esp8266

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* me-no-dev-esp8266:
  add higher I2C freqs for 160MHz core clock
This commit is contained in:
Ivan Grokhotkov 2015-06-01 02:22:23 +03:00
commit d0f58bf897
1 changed files with 6 additions and 4 deletions
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10
cores/esp8266/core_esp8266_si2c.c
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@ -47,14 +47,16 @@ void twi_setClock(unsigned int freq){
if(freq <= 100000) twi_dcount = 19;//about 100KHz if(freq <= 100000) twi_dcount = 19;//about 100KHz
else if(freq <= 200000) twi_dcount = 8;//about 200KHz else if(freq <= 200000) twi_dcount = 8;//about 200KHz
else if(freq <= 300000) twi_dcount = 3;//about 300KHz else if(freq <= 300000) twi_dcount = 3;//about 300KHz
else if(freq <= 400000) twi_dcount = 1;//about 370KHz else if(freq <= 400000) twi_dcount = 1;//about 400KHz
else twi_dcount = 1;//about 450KHz else twi_dcount = 1;//about 400KHz
#else #else
if(freq <= 100000) twi_dcount = 32;//about 100KHz if(freq <= 100000) twi_dcount = 32;//about 100KHz
else if(freq <= 200000) twi_dcount = 14;//about 200KHz else if(freq <= 200000) twi_dcount = 14;//about 200KHz
else if(freq <= 300000) twi_dcount = 8;//about 300KHz else if(freq <= 300000) twi_dcount = 8;//about 300KHz
else if(freq <= 400000) twi_dcount = 5;//about 370KHz else if(freq <= 400000) twi_dcount = 5;//about 400KHz
else twi_dcount = 2;//about 450KHz else if(freq <= 500000) twi_dcount = 3;//about 500KHz
else if(freq <= 600000) twi_dcount = 2;//about 600KHz
else twi_dcount = 1;//about 700KHz
#endif #endif
} }