Lei YU | ab1327c | 2019-11-04 16:53:39 +0800 | [diff] [blame] | 1 | #include "i2c.hpp" |
| 2 | |
Lei YU | 9af82a5 | 2019-11-06 14:51:22 +0800 | [diff] [blame^] | 3 | #include <fcntl.h> |
| 4 | #include <sys/stat.h> |
| 5 | #include <unistd.h> |
| 6 | |
| 7 | #include <cerrno> |
| 8 | |
Lei YU | ab1327c | 2019-11-04 16:53:39 +0800 | [diff] [blame] | 9 | namespace i2c |
| 10 | { |
| 11 | |
Lei YU | 9af82a5 | 2019-11-06 14:51:22 +0800 | [diff] [blame^] | 12 | void I2CDevice::open() |
| 13 | { |
| 14 | fd = ::open(busStr.c_str(), O_RDWR); |
| 15 | if (fd == -1) |
| 16 | { |
| 17 | throw I2CException("Failed to open", busStr, devAddr, errno); |
| 18 | } |
| 19 | } |
| 20 | |
| 21 | void I2CDevice::close() |
| 22 | { |
| 23 | ::close(fd); |
| 24 | } |
| 25 | |
Lei YU | ab1327c | 2019-11-04 16:53:39 +0800 | [diff] [blame] | 26 | void I2CDevice::read(uint8_t& data) |
| 27 | { |
| 28 | // TODO |
| 29 | (void)data; |
| 30 | } |
| 31 | |
| 32 | void I2CDevice::read(uint8_t addr, uint8_t& data) |
| 33 | { |
| 34 | // TODO |
| 35 | (void)addr; |
| 36 | (void)data; |
| 37 | } |
| 38 | |
| 39 | void I2CDevice::read(uint8_t addr, uint16_t& data) |
| 40 | { |
| 41 | // TODO |
| 42 | (void)addr; |
| 43 | (void)data; |
| 44 | } |
| 45 | |
| 46 | void I2CDevice::read(uint8_t addr, uint8_t& size, uint8_t* data) |
| 47 | { |
| 48 | // TODO |
| 49 | (void)addr; |
| 50 | (void)size; |
| 51 | (void)data; |
| 52 | } |
| 53 | |
| 54 | void I2CDevice::write(uint8_t data) |
| 55 | { |
| 56 | // TODO |
| 57 | (void)data; |
| 58 | } |
| 59 | |
| 60 | void I2CDevice::write(uint8_t addr, uint8_t data) |
| 61 | { |
| 62 | // TODO |
| 63 | (void)addr; |
| 64 | (void)data; |
| 65 | } |
| 66 | |
| 67 | void I2CDevice::write(uint8_t addr, uint16_t data) |
| 68 | { |
| 69 | // TODO |
| 70 | (void)addr; |
| 71 | (void)data; |
| 72 | } |
| 73 | |
| 74 | void I2CDevice::write(uint8_t addr, uint8_t size, const uint8_t* data) |
| 75 | { |
| 76 | // TODO |
| 77 | (void)addr; |
| 78 | (void)size; |
| 79 | (void)data; |
| 80 | } |
| 81 | |
| 82 | std::unique_ptr<I2CInterface> I2CDevice::create(uint8_t busId, uint8_t devAddr) |
| 83 | { |
| 84 | std::unique_ptr<I2CDevice> dev(new I2CDevice(busId, devAddr)); |
| 85 | return dev; |
| 86 | } |
| 87 | |
| 88 | std::unique_ptr<I2CInterface> create(uint8_t busId, uint8_t devAddr) |
| 89 | { |
| 90 | return I2CDevice::create(busId, devAddr); |
| 91 | } |
| 92 | |
| 93 | } // namespace i2c |