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Implement optional second I2C bus for NRF52840

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Enabled at compile-time if WIRE_INFERFACES_COUNT defined as 2
This commit is contained in:
Todd Herbert 2024-09-17 22:12:12 +12:00 committed by mverch67
parent 7b84a21b55
commit db2f2dd44d
5 changed files with 13 additions and 9 deletions
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6
src/detect/ScanI2CTwoWire.cpp
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@ -162,13 +162,13 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
Melopero_RV3028 rtc;
#endif
#ifdef I2C_SDA1
#if defined(I2C_SDA1) || (defined(NRF52840_XXAA) && (WIRE_INTERFACES_COUNT == 2))
if (port == I2CPort::WIRE1) {
i2cBus = &Wire1;
} else {
#endif
i2cBus = &Wire;
#ifdef I2C_SDA1
#if defined(I2C_SDA1) || (defined(NRF52840_XXAA) && (WIRE_INTERFACES_COUNT == 2))
}
#endif
@ -423,7 +423,7 @@ TwoWire *ScanI2CTwoWire::fetchI2CBus(ScanI2C::DeviceAddress address) const
if (address.port == ScanI2C::I2CPort::WIRE) {
return &Wire;
} else {
#ifdef I2C_SDA1
#if defined(I2C_SDA1) || (defined(NRF52840_XXAA) && (WIRE_INTERFACES_COUNT == 2))
return &Wire1;
#else
return &Wire;

8
src/gps/RTC.cpp
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@ -29,7 +29,7 @@ void readFromRTC()
if (rtc_found.address == RV3028_RTC) {
uint32_t now = millis();
Melopero_RV3028 rtc;
#ifdef I2C_SDA1
#if defined(I2C_SDA1) || (defined(NRF52840_XXAA) && (WIRE_INTERFACES_COUNT == 2))
rtc.initI2C(rtc_found.port == ScanI2C::I2CPort::WIRE1 ? Wire1 : Wire);
#else
rtc.initI2C();
@ -58,7 +58,7 @@ void readFromRTC()
uint32_t now = millis();
PCF8563_Class rtc;
#ifdef I2C_SDA1
#if defined(I2C_SDA1) || (defined(NRF52840_XXAA) && (WIRE_INTERFACES_COUNT == 2))
rtc.begin(rtc_found.port == ScanI2C::I2CPort::WIRE1 ? Wire1 : Wire);
#else
rtc.begin();
@ -150,7 +150,7 @@ bool perhapsSetRTC(RTCQuality q, const struct timeval *tv, bool forceUpdate)
#ifdef RV3028_RTC
if (rtc_found.address == RV3028_RTC) {
Melopero_RV3028 rtc;
#ifdef I2C_SDA1
#if defined(I2C_SDA1) || (defined(NRF52840_XXAA) && (WIRE_INTERFACES_COUNT == 2))
rtc.initI2C(rtc_found.port == ScanI2C::I2CPort::WIRE1 ? Wire1 : Wire);
#else
rtc.initI2C();
@ -164,7 +164,7 @@ bool perhapsSetRTC(RTCQuality q, const struct timeval *tv, bool forceUpdate)
if (rtc_found.address == PCF8563_RTC) {
PCF8563_Class rtc;
#ifdef I2C_SDA1
#if defined(I2C_SDA1) || (defined(NRF52840_XXAA) && (WIRE_INTERFACES_COUNT == 2))
rtc.begin(rtc_found.port == ScanI2C::I2CPort::WIRE1 ? Wire1 : Wire);
#else
rtc.begin();

2
src/input/cardKbI2cImpl.cpp
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@ -16,7 +16,7 @@ void CardKbI2cImpl::init()
uint8_t i2caddr_asize = 3;
auto i2cScanner = std::unique_ptr<ScanI2CTwoWire>(new ScanI2CTwoWire());
#if defined(I2C_SDA1)
#if defined(I2C_SDA1) || (defined(NRF52840_XXAA) && (WIRE_INTERFACES_COUNT == 2))
i2cScanner->scanPort(ScanI2C::I2CPort::WIRE1, i2caddr_scan, i2caddr_asize);
#endif
i2cScanner->scanPort(ScanI2C::I2CPort::WIRE, i2caddr_scan, i2caddr_asize);

2
src/input/kbI2cBase.cpp
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@ -33,7 +33,7 @@ int32_t KbI2cBase::runOnce()
if (!i2cBus) {
switch (cardkb_found.port) {
case ScanI2C::WIRE1:
#ifdef I2C_SDA1
#if defined(I2C_SDA1) || (defined(NRF52840_XXAA) && (WIRE_INTERFACES_COUNT == 2))
LOG_DEBUG("Using I2C Bus 1 (the second one)\n");
i2cBus = &Wire1;
if (cardkb_found.address == BBQ10_KB_ADDR) {

4
src/main.cpp
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@ -381,6 +381,8 @@ void setup()
Wire1.begin();
#elif defined(I2C_SDA1) && !defined(ARCH_RP2040)
Wire1.begin(I2C_SDA1, I2C_SCL1);
#elif defined(NRF52840_XXAA) && (WIRE_INTERFACES_COUNT == 2)
Wire1.begin();
#endif
#if defined(I2C_SDA) && defined(ARCH_RP2040)
@ -448,6 +450,8 @@ void setup()
#elif defined(I2C_SDA1) && !defined(ARCH_RP2040)
Wire1.begin(I2C_SDA1, I2C_SCL1);
i2cScanner->scanPort(ScanI2C::I2CPort::WIRE1);
#elif defined(NRF52840_XXAA) && (WIRE_INTERFACES_COUNT == 2)
i2cScanner->scanPort(ScanI2C::I2CPort::WIRE1);
#endif
#if defined(I2C_SDA) && defined(ARCH_RP2040)