sdsads
Revision 10:37b8f497b698, committed 2021-07-01
- Comitter:
- pavledjo
- Date:
- Thu Jul 01 15:47:18 2021 +0000
- Parent:
- 0:38c206f19bb7
- Commit message:
- promena za dva senzora;
Changed in this revision
--- a/rohm-sensor-hal/I2CCommon.h Mon Apr 11 08:26:39 2016 +0000 +++ b/rohm-sensor-hal/I2CCommon.h Thu Jul 01 15:47:18 2021 +0000 @@ -22,10 +22,10 @@ #include "rohm_hal.h" //types, DEBUG_print*, USE_*_HARDWARE_I2C bool I2CCommonBegin(); -uint8_t read_register(uint8_t sad, uint8_t reg, uint8_t* buf, uint8_t buf_len); -void write_registers(uint8_t sad, uint8_t reg, uint8_t* data, uint8_t data_len); -void write_register(uint8_t sad, uint8_t reg, uint8_t data); -bool change_bits(uint8_t sad, uint8_t reg, uint8_t mask, uint8_t bits); +uint8_t read_register(uint8_t sad, uint8_t reg, uint8_t* buf, uint8_t buf_len,int n); +void write_registers(uint8_t sad, uint8_t reg, uint8_t* data, uint8_t data_len,int n); +void write_register(uint8_t sad, uint8_t reg, uint8_t data,int n); +bool change_bits(uint8_t sad, uint8_t reg, uint8_t mask, uint8_t bits,int n); #endif
--- a/source/I2CCommonMbedHardwareLib.cpp Mon Apr 11 08:26:39 2016 +0000 +++ b/source/I2CCommonMbedHardwareLib.cpp Thu Jul 01 15:47:18 2021 +0000 @@ -1,76 +1,76 @@ -/* Copyright 2016 Rohm Semiconductor - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ -#include "../rohm-sensor-hal/rohm_hal.h" //types, USE_MBED_HARDWARE_I2C, DEBUG_print*, I2C_SDA, I2C_SCL -#ifdef USE_MBED_HARDWARE_I2C -#include "../rohm-sensor-hal/I2CCommon.h" //prototypes -#include "I2C.h" //I2C -#define I2C_WRITE 0 -#define I2C_READ 1 -I2C i2c(I2C_SDA, I2C_SCL); - - -//Note that I2CCommonBegin() must be called before using read/write functions. -bool I2CCommonBegin(){ - return( true ); //always succeeds -} - -/* i2c common functions */ -uint8_t read_register(uint8_t sad, uint8_t reg, uint8_t* buf, uint8_t buf_len) { - uint8_t received_bytes; - int read_ok; - - i2c.write( (int)((sad << 1) | I2C_WRITE), (char*)®, (int)1 ); - read_ok = i2c.read( (int)((sad << 1) | I2C_READ), (char*)buf, (int)buf_len); - - if( read_ok == 0 ){ //0 == success(ack) - received_bytes = buf_len; - } - else{ //non0 == fail (nack) - received_bytes = 0; - } - return( received_bytes ); -} - -void write_registers(uint8_t sad, uint8_t reg, uint8_t* data, uint8_t data_len) { - i2c.write( (int)((sad << 1) | I2C_WRITE ), (char*)®, (int)1, true); - i2c.write( (int)((sad << 1) | I2C_WRITE ), (char*)data, (int)data_len, false); -} - -void write_register(uint8_t sad, uint8_t reg, uint8_t data) { - char data_to_send[2]; - - data_to_send[0] = reg; - data_to_send[1] = data; - i2c.write( (int)((sad << 1) | I2C_WRITE ), &data_to_send[0], 2); -} - -bool change_bits(uint8_t sad, uint8_t reg, uint8_t mask, uint8_t bits){ - uint8_t value, read_bytes; - read_bytes = read_register(sad, reg, &value, 1); - if( read_bytes != 0 ){ - value = value & ~mask; - value = value | (bits & mask); - write_register(sad, reg, value); - return true; - } - else{ - //DEBUG_printf("Read before change_bits() failed."); - return false; - } -} - -#endif - +/* Copyright 2016 Rohm Semiconductor + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ +#include "../rohm-sensor-hal/rohm_hal.h" //types, USE_MBED_HARDWARE_I2C, DEBUG_print*, I2C_SDA, I2C_SCL +#ifdef USE_MBED_HARDWARE_I2C +#include "../rohm-sensor-hal/I2CCommon.h" //prototypes +#include "I2C.h" //I2C +#define I2C_WRITE 0 +#define I2C_READ 1 +I2C i2c1(PB_9, PB_8); +I2C i2c2(PB_11,PB_10); +I2C i2c[2]= {i2c1,i2c2}; +//Note that I2CCommonBegin() must be called before using read/write functions. +bool I2CCommonBegin(){ + return( true ); //always succeeds +} + +/* i2c common functions */ +uint8_t read_register(uint8_t sad, uint8_t reg, uint8_t* buf, uint8_t buf_len,int n) { + uint8_t received_bytes; + int read_ok; + + i2c[n].write( (int)((sad << 1) | I2C_WRITE), (char*)®, (int)1 ); + read_ok = i2c[n].read( (int)((sad << 1) | I2C_READ), (char*)buf, (int)buf_len); + if( read_ok == 0 ){ //0 == success(ack) + received_bytes = buf_len; + } + else{ //non0 == fail (nack) + received_bytes = 0; + } + return( received_bytes ); +} + +void write_registers(uint8_t sad, uint8_t reg, uint8_t* data, uint8_t data_len,int n) { + i2c[n].write( (int)((sad << 1) | I2C_WRITE ), (char*)®, (int)1, true); + i2c[n].write( (int)((sad << 1) | I2C_WRITE ), (char*)data, (int)data_len, false); +} + +void write_register(uint8_t sad, uint8_t reg, uint8_t data,int n) { + char data_to_send[2]; + + data_to_send[0] = reg; + data_to_send[1] = data; + i2c[n].write( (int)((sad << 1) | I2C_WRITE ), &data_to_send[0], 2); +} + +bool change_bits(uint8_t sad, uint8_t reg, uint8_t mask, uint8_t bits,int n){ + uint8_t value, read_bytes; + read_bytes = read_register(sad, reg, &value, 1,n); + if( read_bytes != 0 ){ + value = value & ~mask; + value = value | (bits & mask); + write_register(sad, reg, value,n); + return true; + } + else{ + //DEBUG_printf("Read before change_bits() failed."); + return false; + } +} + +#endif + +