This is a VERY low-level library for controlling the TSI hardware module in a KL25 microcontroller. The programmer creates the TSI object passing basic parameters, and selects the active channels. Then, a scan on a given channel can be started, and the raw result can be read.
TSIHW.h
- Committer:
- quevedo
- Date:
- 2014-09-24
- Revision:
- 0:b39f4f954a9b
File content as of revision 0:b39f4f954a9b:
#ifndef TSIHW_H #define TSIHW_H #include "mbed.h" /** * KL25 TSI low-level library with very basic functions * * @code * #include "mbed.h" * #include "TSIHW.h" * * TSI touch(0,0,0,2,2); * Serial pc(USBTX, USBRX); * * int main() { * uint16_t s; * * pc.printf("BEGIN\r\n"); * touch.ActivateChannel(5); // Electrode connected to PTA4 * pc.printf("ACTIVATE\r\n"); * while(1) { * s = 0; * touch.Start(5); * pc.printf("START\r\n"); * while(!s) { * s = touch.Read(); * } * pc.printf("TOUCH: %d\r\n", s); * wait(1); * } * } * @endcode */ class TSI { public: TSI(char rchg, char echg, char dvolt, char ps, char nscn); ~TSI(); void ActivateChannel(char ch); void Start(char ch); uint16_t Read(void); }; #endif