Miya Miyagawa
/
NRP2020_main
Outher...Miura Souta
MCP/MCP.h@2:32d2cd7d744b, 2020-01-23 (annotated)
- Committer:
- M_souta
- Date:
- Thu Jan 23 09:16:38 2020 +0000
- Revision:
- 2:32d2cd7d744b
- Parent:
- 1:5b0303768126
- Child:
- 4:15547d07f8e5
lll
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
M_souta | 0:db8d4af513c0 | 1 | #ifndef MCP_H_ |
M_souta | 0:db8d4af513c0 | 2 | #define MCP_H_ |
M_souta | 0:db8d4af513c0 | 3 | |
M_souta | 0:db8d4af513c0 | 4 | #include "mbed.h" |
M_souta | 1:5b0303768126 | 5 | #include "MCP23017.h" |
M_souta | 0:db8d4af513c0 | 6 | |
M_souta | 0:db8d4af513c0 | 7 | #define SDA PB_7 |
M_souta | 0:db8d4af513c0 | 8 | #define SCL PB_6 |
M_souta | 0:db8d4af513c0 | 9 | |
M_souta | 0:db8d4af513c0 | 10 | #define MCP_ADDRESS 0x40 |
M_souta | 0:db8d4af513c0 | 11 | |
M_souta | 2:32d2cd7d744b | 12 | #define GPA0 0 |
M_souta | 2:32d2cd7d744b | 13 | #define GPA1 1 |
M_souta | 2:32d2cd7d744b | 14 | #define GPA2 2 |
M_souta | 2:32d2cd7d744b | 15 | #define GPA3 3 |
M_souta | 2:32d2cd7d744b | 16 | #define GPA4 4 |
M_souta | 2:32d2cd7d744b | 17 | #define GPA5 5 |
M_souta | 2:32d2cd7d744b | 18 | #define GPA6 6 |
M_souta | 2:32d2cd7d744b | 19 | #define GPA7 7 |
M_souta | 2:32d2cd7d744b | 20 | #define GPB0 8 |
M_souta | 2:32d2cd7d744b | 21 | #define GPB1 9 |
M_souta | 2:32d2cd7d744b | 22 | #define GPB2 10 |
M_souta | 2:32d2cd7d744b | 23 | #define GPB3 11 |
M_souta | 2:32d2cd7d744b | 24 | #define GPB4 12 |
M_souta | 2:32d2cd7d744b | 25 | #define GPB5 13 |
M_souta | 2:32d2cd7d744b | 26 | #define GPB6 14 |
M_souta | 2:32d2cd7d744b | 27 | #define GPB7 15 |
M_souta | 0:db8d4af513c0 | 28 | |
M_souta | 0:db8d4af513c0 | 29 | typedef enum { |
M_souta | 0:db8d4af513c0 | 30 | OUTPUT, |
M_souta | 0:db8d4af513c0 | 31 | INPUT, |
M_souta | 0:db8d4af513c0 | 32 | INPUT_PULLUP, |
M_souta | 0:db8d4af513c0 | 33 | }pin_mode; |
M_souta | 0:db8d4af513c0 | 34 | |
M_souta | 1:5b0303768126 | 35 | typedef struct byte{ |
M_souta | 1:5b0303768126 | 36 | uint8_t port_A; |
M_souta | 1:5b0303768126 | 37 | uint8_t port_B; |
M_souta | 1:5b0303768126 | 38 | }byte; |
M_souta | 1:5b0303768126 | 39 | |
M_souta | 0:db8d4af513c0 | 40 | typedef union { |
M_souta | 1:5b0303768126 | 41 | byte port; |
M_souta | 0:db8d4af513c0 | 42 | uint16_t all; |
M_souta | 1:5b0303768126 | 43 | }mcp_data; |
M_souta | 0:db8d4af513c0 | 44 | |
M_souta | 0:db8d4af513c0 | 45 | class MCP { |
M_souta | 0:db8d4af513c0 | 46 | public: |
M_souta | 0:db8d4af513c0 | 47 | /* MCP class constracter |
M_souta | 0:db8d4af513c0 | 48 | / deffult Input |
M_souta | 0:db8d4af513c0 | 49 | / */ |
M_souta | 0:db8d4af513c0 | 50 | MCP(PinName sda, PinName scl, uint8_t device_address); |
M_souta | 0:db8d4af513c0 | 51 | // MCP pin define * pin number is 0 ~ 15 |
M_souta | 1:5b0303768126 | 52 | void PinMode(uint8_t pin, pin_mode mode); |
M_souta | 0:db8d4af513c0 | 53 | // MCP DigitalWrite * pin number is 0 ~ 15 |
M_souta | 0:db8d4af513c0 | 54 | void Write(uint8_t pin, bool signal); |
M_souta | 0:db8d4af513c0 | 55 | // MCP DigitalRead * pin number is 0 ~ 15 |
M_souta | 1:5b0303768126 | 56 | bool Read(uint8_t pin); |
M_souta | 0:db8d4af513c0 | 57 | // MCP initialize |
M_souta | 0:db8d4af513c0 | 58 | void Initialize(void); |
M_souta | 0:db8d4af513c0 | 59 | // MCP register update and read new data |
M_souta | 0:db8d4af513c0 | 60 | void Update(void); |
M_souta | 0:db8d4af513c0 | 61 | |
M_souta | 0:db8d4af513c0 | 62 | private: |
M_souta | 0:db8d4af513c0 | 63 | I2C i2c; |
M_souta | 1:5b0303768126 | 64 | MCP23017 mcp; |
M_souta | 0:db8d4af513c0 | 65 | char _read_opcode; |
M_souta | 0:db8d4af513c0 | 66 | char _write_opcode; |
M_souta | 0:db8d4af513c0 | 67 | |
M_souta | 1:5b0303768126 | 68 | mcp_data _iodir_data; |
M_souta | 1:5b0303768126 | 69 | mcp_data _pull_data; |
M_souta | 1:5b0303768126 | 70 | mcp_data _read_data; |
M_souta | 1:5b0303768126 | 71 | mcp_data _write_data; |
M_souta | 0:db8d4af513c0 | 72 | |
M_souta | 0:db8d4af513c0 | 73 | void _Write(uint8_t address, uint8_t data); |
M_souta | 1:5b0303768126 | 74 | void _Read(uint8_t address, uint8_t data); |
M_souta | 2:32d2cd7d744b | 75 | |
M_souta | 2:32d2cd7d744b | 76 | void I2Crestart(void); |
M_souta | 0:db8d4af513c0 | 77 | |
M_souta | 0:db8d4af513c0 | 78 | }; |
M_souta | 0:db8d4af513c0 | 79 | |
M_souta | 0:db8d4af513c0 | 80 | #endif //I2C_H_ |