Files
2024-07-20 22:09:06 +08:00

63 lines
2.3 KiB
C++

#include "Adafruit_miniTFTWing.h"
/**************************************************************************/
/*!
@brief set up the miniTFTWing
@param addr optional address the seesaw chip can be found on
@param flow optional flow control pin to use
@returns true on success, false on error
*/
/**************************************************************************/
bool Adafruit_miniTFTWing::begin(uint8_t addr, int8_t flow) {
if (!Adafruit_seesaw::begin(addr, flow)) {
return false;
}
pinMode(TFTWING_RESET_PIN, OUTPUT);
pinModeBulk(TFTWING_BUTTON_ALL, INPUT_PULLUP);
return true;
}
/**************************************************************************/
/*!
@brief set the value of the backlight
@param value the backlight value to set NOTE: 0xFFFF is all the way on
0x0000 is off.
*/
/**************************************************************************/
void Adafruit_miniTFTWing::setBacklight(uint16_t value) {
uint8_t cmd[] = {0x00, (uint8_t)(value >> 8), (uint8_t)value};
this->write(SEESAW_TIMER_BASE, SEESAW_TIMER_PWM, cmd, 3);
}
/**************************************************************************/
/*!
@brief set the PWM frequency for the backlight
@param freq the frequency to set the backlight to
*/
/**************************************************************************/
void Adafruit_miniTFTWing::setBacklightFreq(uint16_t freq) {
uint8_t cmd[] = {0x0, (uint8_t)(freq >> 8), (uint8_t)freq};
this->write(SEESAW_TIMER_BASE, SEESAW_TIMER_FREQ, cmd, 3);
}
/**************************************************************************/
/*!
@brief reset the TFT screen by setting the value of the reset pin
@param rst the value to set the reset pin to
*/
/**************************************************************************/
void Adafruit_miniTFTWing::tftReset(bool rst) {
digitalWrite(TFTWING_RESET_PIN, rst);
}
/**************************************************************************/
/*!
@brief read all buttons on the wing and return as a 32 bit integer
@returns the value of the buttons
*/
/**************************************************************************/
uint32_t Adafruit_miniTFTWing::readButtons() {
return digitalReadBulk(TFTWING_BUTTON_ALL);
}