Rabbit Coyote BL2500, Руководство пользователя

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User’s Manual 45
4.4 Coyote Function Calls
4.4.1 Board Initialization
Call this function at the beginning of your program. This function initializes Parallel Ports A through G
for use with the Coyote. The ports are initialized according to Table A-3.
Summary of initialization
1. RS-485 is not initialized.
2. RS-232 is not initialized.
3. Unused configurable I/O are either pulled-up inputs or outputs set high.
4. PWM for DA0 and DA1 set to 57,600 Hz, and output voltage is zero. Uses functions
pwm_init()
,
pwmOutConfig()
, and
pwmOut()
.
5. Calibration constants for analog channels AD0, DA0, and DA1 are read from flash user block.
void brdInit (void);