PWM ansteuerbar und TOP wird returned
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1f53117577
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2c47159df3
78 changed files with 459 additions and 148 deletions
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@ -289,6 +289,47 @@ void B15F::analogSequence(uint8_t channel_a, uint16_t* buffer_a, uint32_t offset
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delay_us(10);
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}
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uint8_t B15F::pwmSetFrequency(uint32_t freq)
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{
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usart.clearInputBuffer();
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uint8_t rq[] =
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{
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RQ_PWM_SET_FREQ,
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static_cast<uint8_t>((freq >> 0) & 0xFF),
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static_cast<uint8_t>((freq >> 8) & 0xFF),
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static_cast<uint8_t>((freq >> 16) & 0xFF),
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static_cast<uint8_t>((freq >> 24) & 0xFF)
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};
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int n_sent = usart.write_timeout(&rq[0], 0, sizeof(rq), 1000);
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if(n_sent != sizeof(rq))
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abort("Sent failed");
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uint8_t byte = usart.readByte();
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delay_us(10);
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return byte;
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}
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bool B15F::pwmSetValue(uint8_t value)
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{
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usart.clearInputBuffer();
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uint8_t rq[] =
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{
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RQ_PWM_SET_VALUE,
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value
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};
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int n_sent = usart.write_timeout(&rq[0], 0, sizeof(rq), 1000);
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if(n_sent != sizeof(rq))
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abort("Sent failed");
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uint8_t aw = usart.readByte();
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delay_us(10);
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return aw == MSG_OK;
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}
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void B15F::delay_ms(uint16_t ms)
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{
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std::this_thread::sleep_for(std::chrono::milliseconds(ms));
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@ -194,6 +194,22 @@ public:
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*/
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void analogSequence(uint8_t channel_a, uint16_t* buffer_a, uint32_t offset_a, uint8_t channel_b, uint16_t* buffer_b, uint32_t offset_b, uint16_t start, int16_t delta, uint16_t count);
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/**
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* Setzt die Register so, dass näherungsweise die gewünschte Frequenz erzeugt wird.
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* Ist freq == 0 wird PWM deaktiviert.
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* \param freq PWM Frequenz
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* \return Top Wert des PWM Value für die gesetzte Frequenz
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* \throws DriverException
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*/
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uint8_t pwmSetFrequency(uint32_t freq);
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/**
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* Setzt den PWM Wert.
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* \param value PWM Wert [0..0xFF]
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* \throws DriverException
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*/
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bool pwmSetValue(uint8_t value);
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/*************************/
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@ -233,6 +249,8 @@ private:
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constexpr static uint8_t RQ_AA1 = 11;
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constexpr static uint8_t RQ_ADC = 12;
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constexpr static uint8_t RQ_ADC_DAC_STROKE = 13;
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constexpr static uint8_t RQ_PWM_SET_FREQ = 14;
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constexpr static uint8_t RQ_PWM_SET_VALUE = 15;
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};
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#endif // B15F_H
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@ -85,7 +85,12 @@ void USART::writeInt(uint16_t d)
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throw USARTException("Fehler beim Senden: writeInt()");
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}
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void USART::writeU32(uint32_t w)
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{
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int sent = write(file_desc, reinterpret_cast<char*>(&w), 4);
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if(sent != 4)
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throw USARTException("Fehler beim Senden: writeU32()");
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}
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int USART::read_timeout(uint8_t* buffer, uint16_t offset, uint8_t len, uint32_t timeout)
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{
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@ -76,11 +76,18 @@ public:
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/**
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* Sendet ein Integer über die USART Schnittstelle
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* \param b das zu sendende Byte
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* \param b das zu sendende Int
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* \throws USARTException
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*/
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void writeInt(uint16_t d);
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/**
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* Sendet ein uint32_t über die USART Schnittstelle
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* \param b das zu sendende uint32_t
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* \throws USARTException
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*/
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void writeU32(uint32_t d);
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/**
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* Empfängt ein Byte über die USART Schnittstelle
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* \throws USARTException
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