![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Dependencies: FastPWM GMD_template_lib mbed
main.cpp@6:004e6174445a, 2016-07-10 (annotated)
- Committer:
- inst
- Date:
- Sun Jul 10 13:17:14 2016 +0000
- Revision:
- 6:004e6174445a
- Parent:
- 5:9d1b1948a9b6
- Child:
- 7:9671d3ae163e
???????????
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
inst | 0:690d8ed9ee20 | 1 | #include "mbed.h" |
inst | 0:690d8ed9ee20 | 2 | #include "GMD.hpp" |
inst | 0:690d8ed9ee20 | 3 | |
inst | 0:690d8ed9ee20 | 4 | char read_address() { |
inst | 0:690d8ed9ee20 | 5 | const size_t din_num = 4; |
inst | 0:690d8ed9ee20 | 6 | DigitalIn din[] = { |
inst | 0:690d8ed9ee20 | 7 | DigitalIn(dp26), |
inst | 0:690d8ed9ee20 | 8 | DigitalIn(dp25), |
inst | 0:690d8ed9ee20 | 9 | DigitalIn(dp18), |
inst | 0:690d8ed9ee20 | 10 | DigitalIn(dp17) |
inst | 0:690d8ed9ee20 | 11 | }; |
inst | 0:690d8ed9ee20 | 12 | |
inst | 0:690d8ed9ee20 | 13 | char address = 0; |
inst | 5:9d1b1948a9b6 | 14 | size_t address_offset = 0x08 << 1; |
inst | 0:690d8ed9ee20 | 15 | for (size_t i = 0; i < din_num; ++i) { |
inst | 5:9d1b1948a9b6 | 16 | address |= din[i].read() << (i + 1); |
inst | 0:690d8ed9ee20 | 17 | } |
inst | 5:9d1b1948a9b6 | 18 | return address + address_offset; |
inst | 0:690d8ed9ee20 | 19 | } |
inst | 0:690d8ed9ee20 | 20 | |
inst | 0:690d8ed9ee20 | 21 | int main(){ |
inst | 0:690d8ed9ee20 | 22 | I2CSlave i2c(dp5, dp27); |
inst | 0:690d8ed9ee20 | 23 | i2c.address(read_address()); |
inst | 1:29e84d1e7bcc | 24 | basic_motor_driver md(dp1, dp2, dp9); |
inst | 0:690d8ed9ee20 | 25 | |
inst | 0:690d8ed9ee20 | 26 | while (true){ |
inst | 0:690d8ed9ee20 | 27 | char buf; |
inst | 0:690d8ed9ee20 | 28 | switch (i2c.receive()){ |
inst | 0:690d8ed9ee20 | 29 | case I2CSlave::ReadAddressed: |
inst | 0:690d8ed9ee20 | 30 | break; |
inst | 0:690d8ed9ee20 | 31 | |
inst | 0:690d8ed9ee20 | 32 | case I2CSlave::WriteGeneral: |
inst | 0:690d8ed9ee20 | 33 | break; |
inst | 0:690d8ed9ee20 | 34 | |
inst | 0:690d8ed9ee20 | 35 | case I2CSlave::WriteAddressed: |
inst | 0:690d8ed9ee20 | 36 | i2c.read(&buf, 1); |
inst | 0:690d8ed9ee20 | 37 | |
inst | 6:004e6174445a | 38 | /* |
inst | 1:29e84d1e7bcc | 39 | float p = (buf & 0x80) ? -1.0f : 1.0f; |
inst | 0:690d8ed9ee20 | 40 | p *= (buf & 0x7F); |
inst | 0:690d8ed9ee20 | 41 | p *= 1.0f / 0x7F; |
inst | 6:004e6174445a | 42 | */ |
inst | 0:690d8ed9ee20 | 43 | |
inst | 6:004e6174445a | 44 | md.set(static_cast<int8_t>(buf) / 127.0f); |
inst | 0:690d8ed9ee20 | 45 | break; |
inst | 0:690d8ed9ee20 | 46 | |
inst | 0:690d8ed9ee20 | 47 | case I2CSlave::NoData: |
inst | 0:690d8ed9ee20 | 48 | break; |
inst | 0:690d8ed9ee20 | 49 | } |
inst | 0:690d8ed9ee20 | 50 | } |
inst | 0:690d8ed9ee20 | 51 | } |