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  < span id = "projectnumber" > 1.3< / span >
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< a href = "#define-members" > Macros< / a > |
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< div class = "title" > ci2c.c File Reference< / div > < / div >
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< p > arduino master < a class = "el" href = "structi2c.html" title = "static ci2c bus config and control parameters " > i2c< / a > in plain c code
< a href = "#details" > More...< / a > < / p >
< div class = "textblock" > < code > #include " < a class = "el" href = "ci2c_8h_source.html" > ci2c.h< / a > " < / code > < br / >
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Include dependency graph for ci2c.c:< / div >
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Macros< / h2 > < / td > < / tr >
< tr class = "memitem:a3018c7600b7bb9866400596a56a57af7" > < td class = "memItemLeft" align = "right" valign = "top" > #define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#a3018c7600b7bb9866400596a56a57af7" > START< / a >       0x08< / td > < / tr >
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< tr class = "memitem:a5771368c5b9fee32eb6326e68179a8b2" > < td class = "memItemLeft" align = "right" valign = "top" > #define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#a5771368c5b9fee32eb6326e68179a8b2" > MT_SLA_NACK< / a >       0x20< / td > < / tr >
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< tr class = "memitem:afc735dc116b40c85092452b78b35c100" > < td class = "memItemLeft" align = "right" valign = "top" > #define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#afc735dc116b40c85092452b78b35c100" > TWI_STATUS< / a >       (TWSR & 0xF8)< / td > < / tr >
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< tr class = "memitem:ad2162468cb363b77f265750ade16b4ad" > < td class = "memItemLeft" align = "right" valign = "top" > #define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#ad2162468cb363b77f265750ade16b4ad" > setRegBit< / a > (r, b)      r |= (1 < < b)< / td > < / tr >
< tr class = "memdesc:ad2162468cb363b77f265750ade16b4ad" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > set bit < b > b< / b > in register < b > r< / b > < a href = "#ad2162468cb363b77f265750ade16b4ad" > More...< / a > < br / > < / td > < / tr >
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< tr class = "memitem:aecff6f8bac2c67d2f653ec6131d7cb59" > < td class = "memItemLeft" align = "right" valign = "top" > #define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#aecff6f8bac2c67d2f653ec6131d7cb59" > clrRegBit< / a > (r, b)      r & = (uint8_t) (~(1 < < b))< / td > < / tr >
< tr class = "memdesc:aecff6f8bac2c67d2f653ec6131d7cb59" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > clear bit < b > b< / b > in register < b > r< / b > < a href = "#aecff6f8bac2c67d2f653ec6131d7cb59" > More...< / a > < br / > < / td > < / tr >
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< tr class = "memdesc:a774ca534732d7aa19d7b5b842beacdbf" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > invert bit < b > b< / b > in register < b > r< / b > < a href = "#a774ca534732d7aa19d7b5b842beacdbf" > More...< / a > < br / > < / td > < / tr >
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< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "func-members" > < / a >
Functions< / h2 > < / td > < / tr >
< tr class = "memitem:af93c2e35e06edcea492607b628d5ae1f" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#af93c2e35e06edcea492607b628d5ae1f" > I2C_slave_init< / a > (< a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *slave, const uint8_t sl_addr, const < a class = "el" href = "ci2c_8h.html#a9dadf50a895a9c06f7fb2968166b316a" > I2C_INT_SIZE< / a > reg_sz)< / td > < / tr >
< tr class = "memdesc:af93c2e35e06edcea492607b628d5ae1f" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Init an I2C slave structure for cMI2C communication. < a href = "#af93c2e35e06edcea492607b628d5ae1f" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:af93c2e35e06edcea492607b628d5ae1f" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a8d88530833d3685d52ea5486b1316427" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#a8d88530833d3685d52ea5486b1316427" > I2C_slave_set_rw_func< / a > (< a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *slave, const < a class = "el" href = "ci2c_8h.html#af9c7e60b84174c9a42c0883f4c4a9b97" > ci2c_fct_ptr< / a > func, const < a class = "el" href = "ci2c_8h.html#aa06111accc71a55517b8810727523574" > I2C_RW< / a > rw)< / td > < / tr >
< tr class = "memdesc:a8d88530833d3685d52ea5486b1316427" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Redirect slave I2C read/write function (if needed for advanced use) < a href = "#a8d88530833d3685d52ea5486b1316427" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a8d88530833d3685d52ea5486b1316427" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ad0eed3132d3284d6f921d13488721226" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#ad0eed3132d3284d6f921d13488721226" > I2C_slave_set_addr< / a > (< a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *slave, const uint8_t sl_addr)< / td > < / tr >
< tr class = "memdesc:ad0eed3132d3284d6f921d13488721226" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Change I2C slave address. < a href = "#ad0eed3132d3284d6f921d13488721226" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ad0eed3132d3284d6f921d13488721226" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a47d121773459b24568e5df4f81fbf905" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#a47d121773459b24568e5df4f81fbf905" > I2C_slave_set_reg_size< / a > (< a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *slave, const < a class = "el" href = "ci2c_8h.html#a9dadf50a895a9c06f7fb2968166b316a" > I2C_INT_SIZE< / a > reg_sz)< / td > < / tr >
< tr class = "memdesc:a47d121773459b24568e5df4f81fbf905" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Change I2C registers map size (for access) < a href = "#a47d121773459b24568e5df4f81fbf905" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a47d121773459b24568e5df4f81fbf905" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a99283d800332d700deed19f5a37e61d8" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#a99283d800332d700deed19f5a37e61d8" > I2C_init< / a > (const uint16_t < a class = "el" href = "ci2c_8c.html#a182293bc8273b099986183c0959e77da" > speed< / a > )< / td > < / tr >
< tr class = "memdesc:a99283d800332d700deed19f5a37e61d8" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Enable I2c module on arduino board (including pull-ups, enabling of ACK, and setting clock frequency) < a href = "#a99283d800332d700deed19f5a37e61d8" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a99283d800332d700deed19f5a37e61d8" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a74e1381b536811b202d087471723fb9e" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#a74e1381b536811b202d087471723fb9e" > I2C_uninit< / a > ()< / td > < / tr >
< tr class = "memdesc:a74e1381b536811b202d087471723fb9e" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Disable I2c module on arduino board (releasing pull-ups, and TWI control) < a href = "#a74e1381b536811b202d087471723fb9e" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a74e1381b536811b202d087471723fb9e" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a2c25bc5fdf909b7d45d722970eb04d82" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#a2c25bc5fdf909b7d45d722970eb04d82" > I2C_reset< / a > (void)< / td > < / tr >
< tr class = "memdesc:a2c25bc5fdf909b7d45d722970eb04d82" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > I2C bus reset (Release SCL and SDA lines and re-enable module) < a href = "#a2c25bc5fdf909b7d45d722970eb04d82" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a2c25bc5fdf909b7d45d722970eb04d82" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a7c5b1857ae28ade8959a8a06f500ecde" > < td class = "memItemLeft" align = "right" valign = "top" > uint16_t  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#a7c5b1857ae28ade8959a8a06f500ecde" > I2C_set_speed< / a > (const uint16_t < a class = "el" href = "ci2c_8c.html#a182293bc8273b099986183c0959e77da" > speed< / a > )< / td > < / tr >
< tr class = "memdesc:a7c5b1857ae28ade8959a8a06f500ecde" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Change I2C frequency. < a href = "#a7c5b1857ae28ade8959a8a06f500ecde" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a7c5b1857ae28ade8959a8a06f500ecde" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:acd209174a3b5ab213131a93633c19a38" > < td class = "memItemLeft" align = "right" valign = "top" > uint16_t  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#acd209174a3b5ab213131a93633c19a38" > I2C_set_timeout< / a > (const uint16_t < a class = "el" href = "ci2c_8c.html#a7f1ad43d3bf79b40bc39dbb5a6c3a5ae" > timeout< / a > )< / td > < / tr >
< tr class = "memdesc:acd209174a3b5ab213131a93633c19a38" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Change I2C ack timeout. < a href = "#acd209174a3b5ab213131a93633c19a38" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:acd209174a3b5ab213131a93633c19a38" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ad74e31ebd08a9ddef57f571783f37cc7" > < td class = "memItemLeft" align = "right" valign = "top" > uint8_t  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#ad74e31ebd08a9ddef57f571783f37cc7" > I2C_set_retries< / a > (const uint8_t < a class = "el" href = "ci2c_8c.html#a458ee314eb40ab7e0c913a036333cc0d" > retries< / a > )< / td > < / tr >
< tr class = "memdesc:ad74e31ebd08a9ddef57f571783f37cc7" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Change I2C message retries (in case of failure) < a href = "#ad74e31ebd08a9ddef57f571783f37cc7" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ad74e31ebd08a9ddef57f571783f37cc7" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ac370df06df51c68217eafcee96e5a3e0" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#ac370df06df51c68217eafcee96e5a3e0" > I2C_is_busy< / a > (void)< / td > < / tr >
< tr class = "memdesc:ac370df06df51c68217eafcee96e5a3e0" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Get I2C busy status. < a href = "#ac370df06df51c68217eafcee96e5a3e0" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ac370df06df51c68217eafcee96e5a3e0" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a83adef951ffd9fb5105216f6ee464bb9" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "ci2c_8h.html#a489c20161e94a87325ca7e240032686b" > I2C_STATUS< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#a83adef951ffd9fb5105216f6ee464bb9" > I2C_write< / a > (< a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *slave, const uint16_t reg_addr, uint8_t *data, const uint16_t bytes)< / td > < / tr >
< tr class = "memdesc:a83adef951ffd9fb5105216f6ee464bb9" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > This function writes the provided data to the address specified. < a href = "#a83adef951ffd9fb5105216f6ee464bb9" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a83adef951ffd9fb5105216f6ee464bb9" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ad5e4a006f6cea5844a810fab30b40f87" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "ci2c_8h.html#a489c20161e94a87325ca7e240032686b" > I2C_STATUS< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#ad5e4a006f6cea5844a810fab30b40f87" > I2C_read< / a > (< a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *slave, const uint16_t reg_addr, uint8_t *data, const uint16_t bytes)< / td > < / tr >
< tr class = "memdesc:ad5e4a006f6cea5844a810fab30b40f87" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > This function reads data from the address specified and stores this data in the area provided by the pointer. < a href = "#ad5e4a006f6cea5844a810fab30b40f87" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ad5e4a006f6cea5844a810fab30b40f87" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:aaadadbb29f315f2030223665f1988188" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#aaadadbb29f315f2030223665f1988188" > I2C_start< / a > (void)< / td > < / tr >
< tr class = "memdesc:aaadadbb29f315f2030223665f1988188" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Send start condition. < a href = "#aaadadbb29f315f2030223665f1988188" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:aaadadbb29f315f2030223665f1988188" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a53eb804c24e8e86717f7aaebdab1aa53" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#a53eb804c24e8e86717f7aaebdab1aa53" > I2C_stop< / a > (void)< / td > < / tr >
< tr class = "memdesc:a53eb804c24e8e86717f7aaebdab1aa53" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Send stop condition. < a href = "#a53eb804c24e8e86717f7aaebdab1aa53" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a53eb804c24e8e86717f7aaebdab1aa53" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ab20db75dfa22dc47df506cab3bd11c60" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#ab20db75dfa22dc47df506cab3bd11c60" > I2C_wr8< / a > (const uint8_t dat)< / td > < / tr >
< tr class = "memdesc:ab20db75dfa22dc47df506cab3bd11c60" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Send byte on bus. < a href = "#ab20db75dfa22dc47df506cab3bd11c60" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ab20db75dfa22dc47df506cab3bd11c60" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a8d6d7eb118ea1505df039075a00c267b" > < td class = "memItemLeft" align = "right" valign = "top" > uint8_t  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#a8d6d7eb118ea1505df039075a00c267b" > I2C_rd8< / a > (const bool ack)< / td > < / tr >
< tr class = "memdesc:a8d6d7eb118ea1505df039075a00c267b" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Receive byte from bus. < a href = "#a8d6d7eb118ea1505df039075a00c267b" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a8d6d7eb118ea1505df039075a00c267b" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:aae536cceb33d07e71af9d459a2fc6dc8" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "ci2c_8c.html#aae536cceb33d07e71af9d459a2fc6dc8" > I2C_sndAddr< / a > (< a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *slave, const < a class = "el" href = "ci2c_8h.html#aa06111accc71a55517b8810727523574" > I2C_RW< / a > rw)< / td > < / tr >
< tr class = "memdesc:aae536cceb33d07e71af9d459a2fc6dc8" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Send I2C address. < a href = "#aae536cceb33d07e71af9d459a2fc6dc8" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:aae536cceb33d07e71af9d459a2fc6dc8" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table >
< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
< div class = "textblock" > < p > arduino master < a class = "el" href = "structi2c.html" title = "static ci2c bus config and control parameters " > i2c< / a > in plain c code < / p >
< dl class = "section author" > < dt > Author< / dt > < dd > SMFSW < / dd > < / dl >
2018-05-27 16:03:03 +02:00
< dl class = "section copyright" > < dt > Copyright< / dt > < dd > MIT SMFSW (2017-2018) < / dd > < / dl >
2018-05-04 12:44:31 +02:00
< dl class = "section warning" > < dt > Warning< / dt > < dd > Don't access (r/w) last 16b internal address byte alone right after init, this would lead to hazardous result (in such case, make a dummy read of addr 0 before) < / dd > < / dl >
< / div > < h2 class = "groupheader" > Macro Definition Documentation< / h2 >
< a id = "aecff6f8bac2c67d2f653ec6131d7cb59" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#aecff6f8bac2c67d2f653ec6131d7cb59" > ◆ < / a > < / span > clrRegBit< / h2 >
< div class = "memitem" >
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< table class = "memname" >
< tr >
< td class = "memname" > #define clrRegBit< / td >
< td > (< / td >
< td class = "paramtype" >   < / td >
< td class = "paramname" > r, < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" >   < / td >
< td class = "paramname" > b  < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td >       r & = (uint8_t) (~(1 < < b))< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > clear bit < b > b< / b > in register < b > r< / b > < / p >
< / div >
< / div >
< a id = "a774ca534732d7aa19d7b5b842beacdbf" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a774ca534732d7aa19d7b5b842beacdbf" > ◆ < / a > < / span > invRegBit< / h2 >
< div class = "memitem" >
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< tr >
< td class = "memname" > #define invRegBit< / td >
< td > (< / td >
< td class = "paramtype" >   < / td >
< td class = "paramname" > r, < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" >   < / td >
< td class = "paramname" > b  < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td >       r ^= (1 < < b)< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > invert bit < b > b< / b > in register < b > r< / b > < / p >
< / div >
< / div >
< a id = "aef701044e71efd86b5d74e6d7d6eed8a" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#aef701044e71efd86b5d74e6d7d6eed8a" > ◆ < / a > < / span > LOST_ARBTRTN< / h2 >
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< td class = "memname" > #define LOST_ARBTRTN      0x38< / td >
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< / div >
< a id = "aae12087f095e0223a4c630f54babf7b0" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#aae12087f095e0223a4c630f54babf7b0" > ◆ < / a > < / span > MR_DATA_ACK< / h2 >
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< td class = "memname" > #define MR_DATA_ACK      0x50< / td >
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< a id = "a60e46234d42871678c854e60a16ccefe" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a60e46234d42871678c854e60a16ccefe" > ◆ < / a > < / span > MR_DATA_NACK< / h2 >
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< td class = "memname" > #define MR_DATA_NACK      0x58< / td >
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< a id = "a0387aa647630944a82081197d34983d4" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a0387aa647630944a82081197d34983d4" > ◆ < / a > < / span > MR_SLA_ACK< / h2 >
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< td class = "memname" > #define MR_SLA_ACK      0x40< / td >
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< a id = "ab9a16d1ba7eca835d25c48a65d0d7cba" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ab9a16d1ba7eca835d25c48a65d0d7cba" > ◆ < / a > < / span > MR_SLA_NACK< / h2 >
< div class = "memitem" >
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< table class = "memname" >
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< td class = "memname" > #define MR_SLA_NACK      0x48< / td >
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< a id = "ac89a837ee845c12ecd5fed1c59880135" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ac89a837ee845c12ecd5fed1c59880135" > ◆ < / a > < / span > MT_DATA_ACK< / h2 >
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< td class = "memname" > #define MT_DATA_ACK      0x28< / td >
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< a id = "acd5f18fcc00de2b96e182394e615af39" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#acd5f18fcc00de2b96e182394e615af39" > ◆ < / a > < / span > MT_DATA_NACK< / h2 >
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< td class = "memname" > #define MT_DATA_NACK      0x30< / td >
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< a id = "ab121ce1b01991e03fc303b5bfa00d4bb" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ab121ce1b01991e03fc303b5bfa00d4bb" > ◆ < / a > < / span > MT_SLA_ACK< / h2 >
< div class = "memitem" >
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< td class = "memname" > #define MT_SLA_ACK      0x18< / td >
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< a id = "a5771368c5b9fee32eb6326e68179a8b2" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a5771368c5b9fee32eb6326e68179a8b2" > ◆ < / a > < / span > MT_SLA_NACK< / h2 >
< div class = "memitem" >
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< table class = "memname" >
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< td class = "memname" > #define MT_SLA_NACK      0x20< / td >
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< a id = "a6810b6c82aba3a84c55e1d5c1c8df339" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a6810b6c82aba3a84c55e1d5c1c8df339" > ◆ < / a > < / span > REPEATED_START< / h2 >
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< td class = "memname" > #define REPEATED_START      0x10< / td >
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< a id = "ad2162468cb363b77f265750ade16b4ad" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ad2162468cb363b77f265750ade16b4ad" > ◆ < / a > < / span > setRegBit< / h2 >
< div class = "memitem" >
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< table class = "memname" >
< tr >
< td class = "memname" > #define setRegBit< / td >
< td > (< / td >
< td class = "paramtype" >   < / td >
< td class = "paramname" > r, < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" >   < / td >
< td class = "paramname" > b  < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td >       r |= (1 < < b)< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > set bit < b > b< / b > in register < b > r< / b > < / p >
< / div >
< / div >
< a id = "a3018c7600b7bb9866400596a56a57af7" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a3018c7600b7bb9866400596a56a57af7" > ◆ < / a > < / span > START< / h2 >
< div class = "memitem" >
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< table class = "memname" >
< tr >
< td class = "memname" > #define START      0x08< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
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< / div >
< a id = "afc735dc116b40c85092452b78b35c100" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#afc735dc116b40c85092452b78b35c100" > ◆ < / a > < / span > TWI_STATUS< / h2 >
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< td class = "memname" > #define TWI_STATUS      (TWSR & 0xF8)< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
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< / div >
< h2 class = "groupheader" > Function Documentation< / h2 >
< a id = "a99283d800332d700deed19f5a37e61d8" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a99283d800332d700deed19f5a37e61d8" > ◆ < / a > < / span > I2C_init()< / h2 >
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< td class = "memname" > void I2C_init < / td >
< td > (< / td >
< td class = "paramtype" > const uint16_t  < / td >
< td class = "paramname" > < em > speed< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Enable I2c module on arduino board (including pull-ups, enabling of ACK, and setting clock frequency) < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > speed< / td > < td > - I2C bus speed in KHz < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > nothing < / dd > < / dl >
< div class = "dynheader" >
Here is the call graph for this function:< / div >
< div class = "dyncontent" >
< div class = "center" > < img src = "ci2c_8c_a99283d800332d700deed19f5a37e61d8_cgraph.png" border = "0" usemap = "#ci2c_8c_a99283d800332d700deed19f5a37e61d8_cgraph" alt = "" / > < / div >
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< a id = "ac370df06df51c68217eafcee96e5a3e0" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ac370df06df51c68217eafcee96e5a3e0" > ◆ < / a > < / span > I2C_is_busy()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > bool I2C_is_busy < / td >
< td > (< / td >
< td class = "paramtype" > void  < / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Get I2C busy status. < / p >
< dl class = "section return" > < dt > Returns< / dt > < dd > true if busy < / dd > < / dl >
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< a id = "a8d6d7eb118ea1505df039075a00c267b" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a8d6d7eb118ea1505df039075a00c267b" > ◆ < / a > < / span > I2C_rd8()< / h2 >
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< td class = "memname" > uint8_t I2C_rd8 < / td >
< td > (< / td >
< td class = "paramtype" > const bool  < / td >
< td class = "paramname" > < em > ack< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Receive byte from bus. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > ack< / td > < td > - true if wait for ack < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > true if data reception acknowledged (false otherwise) < / dd > < / dl >
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< a id = "ad5e4a006f6cea5844a810fab30b40f87" > < / a >
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< div class = "memitem" >
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< tr >
< td class = "memname" > < a class = "el" href = "ci2c_8h.html#a489c20161e94a87325ca7e240032686b" > I2C_STATUS< / a > I2C_read < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *  < / td >
< td class = "paramname" > < em > slave< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const uint16_t  < / td >
< td class = "paramname" > < em > reg_addr< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint8_t *  < / td >
< td class = "paramname" > < em > data< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const uint16_t  < / td >
< td class = "paramname" > < em > bytes< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > This function reads data from the address specified and stores this data in the area provided by the pointer. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in,out]< / td > < td class = "paramname" > slave< / td > < td > - pointer to the I2C slave structure < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > reg_addr< / td > < td > - register address in register map < / td > < / tr >
< tr > < td class = "paramdir" > [in,out]< / td > < td class = "paramname" > data< / td > < td > - pointer to the first byte of a block of data to read < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > bytes< / td > < td > - indicates how many bytes of data to read < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > I2C_STATUS status of read attempt < / dd > < / dl >
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< td class = "memname" > void I2C_reset < / td >
< td > (< / td >
< td class = "paramtype" > void  < / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
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< p > I2C bus reset (Release SCL and SDA lines and re-enable module) < / p >
< dl class = "section return" > < dt > Returns< / dt > < dd > nothing < / dd > < / dl >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ad74e31ebd08a9ddef57f571783f37cc7" > ◆ < / a > < / span > I2C_set_retries()< / h2 >
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< td class = "memname" > uint8_t I2C_set_retries < / td >
< td > (< / td >
< td class = "paramtype" > const uint8_t  < / td >
< td class = "paramname" > < em > retries< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
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< p > Change I2C message retries (in case of failure) < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > retries< / td > < td > - I2C number of retries (max of 8) < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > Configured number of retries < / dd > < / dl >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a7c5b1857ae28ade8959a8a06f500ecde" > ◆ < / a > < / span > I2C_set_speed()< / h2 >
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< td class = "memname" > uint16_t I2C_set_speed < / td >
< td > (< / td >
< td class = "paramtype" > const uint16_t  < / td >
< td class = "paramname" > < em > speed< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Change I2C frequency. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > speed< / td > < td > - I2C speed in KHz (max 400KHz on avr) < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > Configured bus speed < / dd > < / dl >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#acd209174a3b5ab213131a93633c19a38" > ◆ < / a > < / span > I2C_set_timeout()< / h2 >
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< td class = "memname" > uint16_t I2C_set_timeout < / td >
< td > (< / td >
< td class = "paramtype" > const uint16_t  < / td >
< td class = "paramname" > < em > timeout< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Change I2C ack timeout. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > timeout< / td > < td > - I2C ack timeout (500 ms max) < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > Configured timeout < / dd > < / dl >
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< tr >
< td class = "memname" > void I2C_slave_init < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *  < / td >
< td class = "paramname" > < em > slave< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const uint8_t  < / td >
< td class = "paramname" > < em > sl_addr< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const < a class = "el" href = "ci2c_8h.html#a9dadf50a895a9c06f7fb2968166b316a" > I2C_INT_SIZE< / a >   < / td >
< td class = "paramname" > < em > reg_sz< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Init an I2C slave structure for cMI2C communication. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > slave< / td > < td > - pointer to the I2C slave structure to init < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > sl_addr< / td > < td > - I2C slave address < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > reg_sz< / td > < td > - internal register map size < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > nothing < / dd > < / dl >
< div class = "dynheader" >
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< div class = "center" > < img src = "ci2c_8c_af93c2e35e06edcea492607b628d5ae1f_cgraph.png" border = "0" usemap = "#ci2c_8c_af93c2e35e06edcea492607b628d5ae1f_cgraph" alt = "" / > < / div >
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< / div >
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< a id = "ad0eed3132d3284d6f921d13488721226" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ad0eed3132d3284d6f921d13488721226" > ◆ < / a > < / span > I2C_slave_set_addr()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > bool I2C_slave_set_addr < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *  < / td >
< td class = "paramname" > < em > slave< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const uint8_t  < / td >
< td class = "paramname" > < em > sl_addr< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Change I2C slave address. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in,out]< / td > < td class = "paramname" > slave< / td > < td > - pointer to the I2C slave structure to init < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > sl_addr< / td > < td > - I2C slave address < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > true if new address set (false if address is > 7Fh) < / dd > < / dl >
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< a id = "a47d121773459b24568e5df4f81fbf905" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a47d121773459b24568e5df4f81fbf905" > ◆ < / a > < / span > I2C_slave_set_reg_size()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > bool I2C_slave_set_reg_size < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *  < / td >
< td class = "paramname" > < em > slave< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const < a class = "el" href = "ci2c_8h.html#a9dadf50a895a9c06f7fb2968166b316a" > I2C_INT_SIZE< / a >   < / td >
< td class = "paramname" > < em > reg_sz< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Change I2C registers map size (for access) < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in,out]< / td > < td class = "paramname" > slave< / td > < td > - pointer to the I2C slave structure < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > reg_sz< / td > < td > - internal register map size < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > true if new size is correct (false otherwise and set to 16bit by default) < / dd > < / dl >
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< / div >
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< a id = "a8d88530833d3685d52ea5486b1316427" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a8d88530833d3685d52ea5486b1316427" > ◆ < / a > < / span > I2C_slave_set_rw_func()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void I2C_slave_set_rw_func < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *  < / td >
< td class = "paramname" > < em > slave< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const < a class = "el" href = "ci2c_8h.html#af9c7e60b84174c9a42c0883f4c4a9b97" > ci2c_fct_ptr< / a >   < / td >
< td class = "paramname" > < em > func< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const < a class = "el" href = "ci2c_8h.html#aa06111accc71a55517b8810727523574" > I2C_RW< / a >   < / td >
< td class = "paramname" > < em > rw< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Redirect slave I2C read/write function (if needed for advanced use) < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > slave< / td > < td > - pointer to the I2C slave structure to init < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > func< / td > < td > - pointer to read/write function to affect < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > rw< / td > < td > - 0 = write function, 1 = read function < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > nothing < / dd > < / dl >
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< div class = "center" > < img src = "ci2c_8c_a8d88530833d3685d52ea5486b1316427_icgraph.png" border = "0" usemap = "#ci2c_8c_a8d88530833d3685d52ea5486b1316427_icgraph" alt = "" / > < / div >
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< a id = "aae536cceb33d07e71af9d459a2fc6dc8" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#aae536cceb33d07e71af9d459a2fc6dc8" > ◆ < / a > < / span > I2C_sndAddr()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > bool I2C_sndAddr < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *  < / td >
< td class = "paramname" > < em > slave< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const < a class = "el" href = "ci2c_8h.html#aa06111accc71a55517b8810727523574" > I2C_RW< / a >   < / td >
< td class = "paramname" > < em > rw< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Send I2C address. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > slave< / td > < td > - pointer to the I2C slave structure < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > rw< / td > < td > - read/write transaction < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > true if I2C chip address sent acknowledged (false otherwise) < / dd > < / dl >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#aaadadbb29f315f2030223665f1988188" > ◆ < / a > < / span > I2C_start()< / h2 >
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< table class = "memname" >
< tr >
< td class = "memname" > bool I2C_start < / td >
< td > (< / td >
< td class = "paramtype" > void  < / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Send start condition. < / p >
< dl class = "section return" > < dt > Returns< / dt > < dd > true if start condition acknowledged (false otherwise) < / dd > < / dl >
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< div class = "center" > < img src = "ci2c_8c_aaadadbb29f315f2030223665f1988188_icgraph.png" border = "0" usemap = "#ci2c_8c_aaadadbb29f315f2030223665f1988188_icgraph" alt = "" / > < / div >
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< a id = "a53eb804c24e8e86717f7aaebdab1aa53" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a53eb804c24e8e86717f7aaebdab1aa53" > ◆ < / a > < / span > I2C_stop()< / h2 >
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< td class = "memname" > bool I2C_stop < / td >
< td > (< / td >
< td class = "paramtype" > void  < / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Send stop condition. < / p >
< dl class = "section return" > < dt > Returns< / dt > < dd > true if stop condition acknowledged (false otherwise) < / dd > < / dl >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a74e1381b536811b202d087471723fb9e" > ◆ < / a > < / span > I2C_uninit()< / h2 >
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< td class = "memname" > void I2C_uninit < / td >
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< p > Disable I2c module on arduino board (releasing pull-ups, and TWI control) < / p >
< dl class = "section return" > < dt > Returns< / dt > < dd > nothing < / dd > < / dl >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ab20db75dfa22dc47df506cab3bd11c60" > ◆ < / a > < / span > I2C_wr8()< / h2 >
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< td class = "memname" > bool I2C_wr8 < / td >
< td > (< / td >
< td class = "paramtype" > const uint8_t  < / td >
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< p > Send byte on bus. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > dat< / td > < td > - data to be sent < / td > < / tr >
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< dl class = "section return" > < dt > Returns< / dt > < dd > true if data sent acknowledged (false otherwise) < / dd > < / dl >
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< td class = "memname" > < a class = "el" href = "ci2c_8h.html#a489c20161e94a87325ca7e240032686b" > I2C_STATUS< / a > I2C_write < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "ci2c_8h.html#a916f30ff94044ecc9f8a177446da485a" > I2C_SLAVE< / a > *  < / td >
< td class = "paramname" > < em > slave< / em > , < / td >
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< td class = "paramkey" > < / td >
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< td class = "paramtype" > const uint16_t  < / td >
< td class = "paramname" > < em > reg_addr< / em > , < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint8_t *  < / td >
< td class = "paramname" > < em > data< / em > , < / td >
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< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const uint16_t  < / td >
< td class = "paramname" > < em > bytes< / em >   < / td >
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< tr >
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< td > )< / td >
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< p > This function writes the provided data to the address specified. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > [in,out]< / td > < td class = "paramname" > slave< / td > < td > - pointer to the I2C slave structure < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > reg_addr< / td > < td > - register address in register map < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > data< / td > < td > - pointer to the first byte of a block of data to write < / td > < / tr >
< tr > < td class = "paramdir" > [in]< / td > < td class = "paramname" > bytes< / td > < td > - indicates how many bytes of data to write < / td > < / tr >
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< dl class = "section return" > < dt > Returns< / dt > < dd > I2C_STATUS status of write attempt < / dd > < / dl >
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< h2 class = "groupheader" > Variable Documentation< / h2 >
< a id = "abbe792bb2cf67584b86443440a194f46" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#abbe792bb2cf67584b86443440a194f46" > ◆ < / a > < / span > busy< / h2 >
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< td class = "memname" > bool busy< / td >
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< p > true if already busy (in case of interrupts implementation) < / p >
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< a id = "a2de58c0b9a826052097f9623f4d95608" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a2de58c0b9a826052097f9623f4d95608" > ◆ < / a > < / span > cfg< / h2 >
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< td class = "memname" > struct { ... } < a class = "el" href = "structcfg.html" > cfg< / a > < / td >
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< a id = "a458ee314eb40ab7e0c913a036333cc0d" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a458ee314eb40ab7e0c913a036333cc0d" > ◆ < / a > < / span > retries< / h2 >
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< td class = "memname" > uint8_t retries< / td >
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< p > < a class = "el" href = "structi2c.html" title = "static ci2c bus config and control parameters " > i2c< / a > message retries when fail < / p >
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< a id = "a182293bc8273b099986183c0959e77da" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a182293bc8273b099986183c0959e77da" > ◆ < / a > < / span > speed< / h2 >
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< td class = "memname" > < a class = "el" href = "ci2c_8h.html#a19bff3ea64e8558c14de3fc951ba6bad" > I2C_SPEED< / a > speed< / td >
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< p > < a class = "el" href = "structi2c.html" title = "static ci2c bus config and control parameters " > i2c< / a > bus speed < / p >
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< a id = "a90894a58bc4ed2d63bef128a1a6c7ae8" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a90894a58bc4ed2d63bef128a1a6c7ae8" > ◆ < / a > < / span > start_wait< / h2 >
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< td class = "memname" > uint16_t start_wait< / td >
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< p > time start waiting for acknowledge < / p >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a7f1ad43d3bf79b40bc39dbb5a6c3a5ae" > ◆ < / a > < / span > timeout< / h2 >
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< td class = "memname" > uint16_t timeout< / td >
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< p > < a class = "el" href = "structi2c.html" title = "static ci2c bus config and control parameters " > i2c< / a > timeout (ms) < / p >
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