[9XR-PRO] i2c was not initialized
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@@ -531,6 +531,32 @@ void configure_pins( uint32_t pins, uint16_t config )
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void opentxBootloader();
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// Set up for volume control (TWI0)
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// Need PA3 and PA4 set to peripheral A
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void i2cInit()
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{
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register Pio *pioptr ;
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register uint32_t timing ;
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PMC->PMC_PCER0 |= 0x00080000L ; // Enable peripheral clock to TWI0
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/* Configure PIO */
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pioptr = PIOA ;
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pioptr->PIO_ABCDSR[0] &= ~0x00000018 ; // Peripheral A
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pioptr->PIO_ABCDSR[1] &= ~0x00000018 ; // Peripheral A
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pioptr->PIO_PDR = 0x00000018 ; // Assign to peripheral
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timing = Master_frequency * 5 / 1000000 ; // 5uS high and low
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timing += 15 - 4 ;
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timing /= 16 ;
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timing |= timing << 8 ;
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TWI0->TWI_CWGR = 0x00040000 | timing ; // TWI clock set
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TWI0->TWI_CR = TWI_CR_MSEN | TWI_CR_SVDIS ; // Master mode enable
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TWI0->TWI_MMR = 0x002F0000 ; // Device 5E (>>1) and master is writing
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NVIC_EnableIRQ(TWI0_IRQn) ;
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}
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void boardInit()
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{
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register Pio *pioptr ;
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@@ -614,9 +640,7 @@ void boardInit()
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audioInit();
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#if defined(COPROCESSOR)
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coprocInit();
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#endif
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i2cInit();
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eepromInit();
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@@ -141,32 +141,6 @@ void coprocWriteData(uint8_t *data, uint32_t size)
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__enable_irq();
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}
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// Set up for volume control (TWI0)
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// Need PA3 and PA4 set to peripheral A
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void coprocInit()
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{
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register Pio *pioptr ;
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register uint32_t timing ;
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PMC->PMC_PCER0 |= 0x00080000L ; // Enable peripheral clock to TWI0
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/* Configure PIO */
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pioptr = PIOA ;
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pioptr->PIO_ABCDSR[0] &= ~0x00000018 ; // Peripheral A
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pioptr->PIO_ABCDSR[1] &= ~0x00000018 ; // Peripheral A
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pioptr->PIO_PDR = 0x00000018 ; // Assign to peripheral
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timing = Master_frequency * 5 / 1000000 ; // 5uS high and low
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timing += 15 - 4 ;
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timing /= 16 ;
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timing |= timing << 8 ;
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TWI0->TWI_CWGR = 0x00040000 | timing ; // TWI clock set
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TWI0->TWI_CR = TWI_CR_MSEN | TWI_CR_SVDIS ; // Master mode enable
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TWI0->TWI_MMR = 0x002F0000 ; // Device 5E (>>1) and master is writing
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NVIC_EnableIRQ(TWI0_IRQn) ;
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}
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#if !defined(SIMU)
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extern "C" void TWI0_IRQHandler()
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{
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