Jasper Smit
/
nucleo_i2c
:^)
Revision 0:8e0901b4cd75, committed 2018-05-15
- Comitter:
- choppa
- Date:
- Tue May 15 11:59:47 2018 +0000
- Commit message:
- :^);
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 8e0901b4cd75 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue May 15 11:59:47 2018 +0000 @@ -0,0 +1,38 @@ +#include "mbed.h" +#include <stdint.h> + +I2C i2c(PB_9, PB_8); +Serial usb_serial(SERIAL_TX, SERIAL_RX); + +#define ADDR_FSR0 0x90 +#define ADDR_FSR1 0x29 +#define ADDR_PZT 0x96 + +#define AD1115_CONFIG 0x01 + +#define PZT0 0x10 +#define PZT1 0x20 + +int main() { + int16_t raw_data, config; + double voltage0, voltage1; + usb_serial.baud(230400); + i2c.frequency(200000); + char rxbuf[10]; + char txbuf[10]; + // set mux to pzt0 + config = 0x84E3 | PZT0; + txbuf[0] = AD1115_CONFIG; + txbuf[1] = config >> 8; + txbuf[2] = config & 0xFF; + i2c.write(ADDR_PZT, txbuf, 3); + txbuf[0] = 0; + i2c.write(ADDR_PZT, txbuf, 1); + while(1) { + i2c.read(ADDR_PZT, rxbuf, 2); + raw_data = (rxbuf[0] << 8) | rxbuf[1]; + voltage0 = 5.0/65535.0 * (double)raw_data; + usb_serial.printf("%f\r\n", voltage0); + wait_ms(1); + } +}
diff -r 000000000000 -r 8e0901b4cd75 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue May 15 11:59:47 2018 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/5aab5a7997ee \ No newline at end of file