112 lines
2.2 KiB
C
112 lines
2.2 KiB
C
/*
|
|
* This file is subject to the terms of the GFX License. If a copy of
|
|
* the license was not distributed with this file, you can obtain one at:
|
|
*
|
|
* http://ugfx.org/license.html
|
|
*/
|
|
|
|
/**
|
|
* @file drivers/ginput/touch/FT5x06/ginput_lld_mouse_board_marlin.h
|
|
* @brief GINPUT Touch low level driver source for the FT5x06.
|
|
*
|
|
* @defgroup Mouse Mouse
|
|
* @ingroup GINPUT
|
|
* @{
|
|
*/
|
|
|
|
#ifndef _GINPUT_LLD_MOUSE_BOARD_H
|
|
#define _GINPUT_LLD_MOUSE_BOARD_H
|
|
|
|
/* I2C interface #2 - Touchscreen controller */
|
|
static const I2CConfig i2ccfg2 = {
|
|
OPMODE_I2C,
|
|
400000,
|
|
FAST_DUTY_CYCLE_2,
|
|
};
|
|
|
|
/**
|
|
* @brief Initialise the board for the touch.
|
|
*
|
|
* @notapi
|
|
*/
|
|
static void init_board(void) {
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief Write a value into a certain register
|
|
*
|
|
* @param[in] reg The register address
|
|
* @param[in] n The amount of bytes (one or two)
|
|
* @param[in] val The value
|
|
*
|
|
* @notapi
|
|
*/
|
|
static void write_reg(uint8_t reg, uint8_t n, uint16_t val) {
|
|
uint8_t txbuf[3];
|
|
|
|
i2cAcquireBus(&I2CD2);
|
|
|
|
txbuf[0] = reg;
|
|
|
|
if (n == 1) {
|
|
txbuf[1] = val;
|
|
i2cMasterTransmitTimeout(&I2CD2, FT5x06_ADDR, txbuf, 2, NULL, 0, MS2ST(FT5x06_TIMEOUT));
|
|
} else if (n == 2) {
|
|
txbuf[1] = ((val & 0xFF00) >> 8);
|
|
txbuf[2] = (val & 0x00FF);
|
|
i2cMasterTransmitTimeout(&I2CD2, FT5x06_ADDR, txbuf, 3, NULL, 0, MS2ST(FT5x06_TIMEOUT));
|
|
}
|
|
|
|
i2cReleaseBus(&I2CD2);
|
|
}
|
|
|
|
/**
|
|
* @brief Read the value of a certain register
|
|
*
|
|
* @param[in] reg The register address
|
|
* @param[in] n The amount of bytes (one or two)
|
|
*
|
|
* @return Data read from device (one byte or two depending on n param)
|
|
*
|
|
* @notapi
|
|
*/
|
|
static uint16_t read_reg(uint8_t reg, uint8_t n) {
|
|
uint8_t txbuf[1], rxbuf[2];
|
|
uint16_t ret;
|
|
|
|
rxbuf[0] = 0;
|
|
rxbuf[1] = 0;
|
|
|
|
i2cAcquireBus(&I2CD2);
|
|
|
|
txbuf[0] = reg;
|
|
i2cMasterTransmitTimeout(&I2CD2, FT5x06_ADDR, txbuf, 1, rxbuf, n, MS2ST(FT5x06_TIMEOUT));
|
|
|
|
if (n == 1) {
|
|
ret = rxbuf[0];
|
|
} else if (n == 2) {
|
|
ret = ((rxbuf[0] << 8) | (rxbuf[1] & 0xFF));
|
|
}
|
|
|
|
i2cReleaseBus(&I2CD2);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void read_reg_n(uint8_t reg, uint8_t n, uint8_t *rxbuf) {
|
|
uint8_t txbuf[1];
|
|
|
|
i2cAcquireBus(&I2CD2);
|
|
|
|
txbuf[0] = reg;
|
|
i2cMasterTransmitTimeout(&I2CD2, FT5x06_ADDR, txbuf, 1, rxbuf, n, MS2ST(FT5x06_TIMEOUT));
|
|
|
|
i2cReleaseBus(&I2CD2);
|
|
}
|
|
|
|
#endif /* _GINPUT_LLD_MOUSE_BOARD_H */
|
|
/** @} */
|
|
|