AG903ライブラリリファレンス
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AG903_I2CMgrInit 関数
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1: int32_t AG903_I2CMgrInit(uint8_t ch) 2: { 3:
AG903_INTMgrHdrPrm
inthdr; 4: int32_t retval =
AG903_ENONE
; 5: int32_t hdrid; 6: 7:
if
(
AG903_I2C_CH_NUM
<= ch) { 8:
return
-
AG903_EINVAL
; 9: } 10: 11: I2CMgr_InitState(ch); 12: 13:
if
(0 >= I2cChStat[ch].hdrid) { 14: inthdr.atr =
AG903_INT_HLNG
; 15: inthdr.intno =
AG903_IRQ44_IIC0
+ch; 16: inthdr.func = (
void
*)I2cIntHdr[ch]; 17: hdrid =
AG903_INTMgrSetHandler
(&inthdr); 18:
if
(0 >= hdrid) { 19:
return
-
AG903_EFAULT
; 20: } 21: I2cChStat[ch].hdrid = hdrid; 22: } 23: 24:
AG903_INTMgrEnableInt
(
AG903_IRQ44_IIC0
+ch); 25: 26: retval = I2CMgr_SetFrequency(ch,
AG903_I2C_DFLT_SCL
); 27: 28:
return
retval; 29: }
Copyright (c) 2017-2025 Axell Corporation. All rights reserved.
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