Marcos mroger
mroger
/ tea5767_data_bytes.cpp
Last active
August 29, 2015 14:05
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| class TEA5767N { | |
| private: | |
| //... | |
| byte transmission_data[5]; | |
| byte reception_data[5]; | |
| //... | |
| public: | |
| //... | |
mroger
/ transm_const.cpp
Created
August 23, 2014 00:48
Transmission data initialization and its call from constructor.
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| TEA5767N::TEA5767N() { | |
| Wire.begin(); | |
| initializeTransmissionData(); | |
| } | |
| void TEA5767N::initializeTransmissionData() { | |
| transmission_data[FIRST_DATA] = 0; | |
| transmission_data[SECOND_DATA] = 0; | |
| transmission_data[THIRD_DATA] = 0xB0; | |
| transmission_data[FOURTH_DATA] = 0x10; |
mroger
/ mute_transm.cpp
Last active
August 29, 2015 14:05
Example showing how to mute changing only one bit.
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| void TEA5767N::mute() { | |
| setSoundOff(); | |
| transmitData(); | |
| } | |
| void TEA5767N::setSoundOff() { | |
| transmission_data[FIRST_DATA] |= 0b10000000; | |
| } | |
| void TEA5767N::transmitData() { |
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| void TEA5767N::setSoundOn() { | |
| transmission_data[FIRST_DATA] &= 0b01111111; | |
| } |
mroger
/ load_freq_status.cpp
Last active
August 29, 2015 14:05
Shows how to update transmission data after status bytes are read in reception_data
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| void TEA5767N::loadFrequency() { | |
| readStatus(); | |
| transmission_data[FIRST_DATA] = (transmission_data[FIRST_DATA] & 0xC0) | (reception_data[FIRST_DATA] & 0x3F); | |
| transmission_data[SECOND_DATA] = reception_data[SECOND_DATA]; | |
| } | |
| void TEA5767N::readStatus() { | |
| Wire.requestFrom (TEA5767_I2C_ADDRESS, 5); | |
mroger
/ select_frequency_hilo.cpp
Created
August 23, 2014 02:37
Shows the algorithm to get que optimal Hi/Lo injection prior to a select frequency command.
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| void TEA5767N::selectFrequency(float frequency) { | |
| calculateOptimalHiLoInjection(frequency); | |
| transmitFrequency(frequency); | |
| } | |
| void TEA5767N::calculateOptimalHiLoInjection(float freq) { | |
| byte signalHigh; | |
| byte signalLow; | |
| setHighSideLOInjection(); |
mroger
/ set_frequency.cpp
Created
August 23, 2014 02:44
Shows the calculation of the PLL information
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| void TEA5767N::transmitFrequency(float frequency) { | |
| setFrequency(frequency); | |
| transmitData(); | |
| } | |
| void TEA5767N::setFrequency(float _frequency) { | |
| frequency = _frequency; | |
| unsigned int frequencyW; | |
| if (hiInjection) { |
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| #define LOW_STOP_LEVEL 1 | |
| #define MID_STOP_LEVEL 2 | |
| #define HIGH_STOP_LEVEL 3 |
mroger
/ set_search_up_down.cpp
Created
August 23, 2014 13:39
Methods that set up and down search direction
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| void TEA5767N::setSearchUp() { | |
| transmission_data[THIRD_DATA] |= 0b10000000; | |
| } | |
| void TEA5767N::setSearchDown() { | |
| transmission_data[THIRD_DATA] &= 0b01111111; | |
| } |
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| void TEA5767N::setSearchLowStopLevel() { | |
| transmission_data[THIRD_DATA] &= 0b10011111; | |
| transmission_data[THIRD_DATA] |= (LOW_STOP_LEVEL << 5); | |
| } | |
| void TEA5767N::setSearchMidStopLevel() { | |
| transmission_data[THIRD_DATA] &= 0b10011111; | |
| transmission_data[THIRD_DATA] |= (MID_STOP_LEVEL << 5); | |
| } |
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