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Disable PDC controller during TWI init.
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668345cdf3
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@ -89,6 +89,10 @@ TwoWire::TwoWire(Twi *_twi, void(*_beginCb)(void)) :
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void TwoWire::begin(void) {
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void TwoWire::begin(void) {
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if (onBeginCallback)
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if (onBeginCallback)
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onBeginCallback();
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onBeginCallback();
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// Disable PDC channel
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twi->TWI_PTCR = UART_PTCR_RXTDIS | UART_PTCR_TXTDIS;
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TWI_ConfigureMaster(twi, TWI_CLOCK, VARIANT_MCK);
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TWI_ConfigureMaster(twi, TWI_CLOCK, VARIANT_MCK);
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status = MASTER_IDLE;
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status = MASTER_IDLE;
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}
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}
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@ -96,6 +100,10 @@ void TwoWire::begin(void) {
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void TwoWire::begin(uint8_t address) {
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void TwoWire::begin(uint8_t address) {
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if (onBeginCallback)
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if (onBeginCallback)
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onBeginCallback();
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onBeginCallback();
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// Disable PDC channel
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twi->TWI_PTCR = UART_PTCR_RXTDIS | UART_PTCR_TXTDIS;
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TWI_ConfigureSlave(twi, address);
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TWI_ConfigureSlave(twi, address);
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status = SLAVE_IDLE;
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status = SLAVE_IDLE;
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TWI_EnableIt(twi, TWI_IER_SVACC);
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TWI_EnableIt(twi, TWI_IER_SVACC);
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