99 lines
2.4 KiB
C
99 lines
2.4 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.io/license.html
|
|
*/
|
|
|
|
/*
|
|
* Board file for HY-MiniSTM32V board from HAOYU (China).
|
|
* www.powermcu.com or www.hotmcu.com.
|
|
*/
|
|
|
|
/*
|
|
* NOTE: In order to make this work you need to set:
|
|
* STM32_SPI_USE_SPI1 TRUE in mcuconf.h
|
|
* HAL_USE_SPI TRUE in halconf.h
|
|
*/
|
|
|
|
#ifndef _GINPUT_LLD_MOUSE_BOARD_H
|
|
#define _GINPUT_LLD_MOUSE_BOARD_H
|
|
|
|
// Resolution and Accuracy Settings
|
|
#define GMOUSE_ADS7843_PEN_CALIBRATE_ERROR 8
|
|
#define GMOUSE_ADS7843_PEN_CLICK_ERROR 6
|
|
#define GMOUSE_ADS7843_PEN_MOVE_ERROR 4
|
|
#define GMOUSE_ADS7843_FINGER_CALIBRATE_ERROR 14
|
|
#define GMOUSE_ADS7843_FINGER_CLICK_ERROR 18
|
|
#define GMOUSE_ADS7843_FINGER_MOVE_ERROR 14
|
|
|
|
// How much extra data to allocate at the end of the GMouse structure for the board's use
|
|
#define GMOUSE_ADS7843_BOARD_DATA_SIZE 0
|
|
|
|
static const SPIConfig spicfg = {
|
|
0,
|
|
GPIOA,
|
|
GPIOA_TP_CS,
|
|
SPI_CR1_BR_1 | SPI_CR1_BR_0, /* Might be tweaked for faster transfer. */
|
|
};
|
|
|
|
/*
|
|
* ADS7843 (clone chip) is connected to SPI1 w/o remap
|
|
* TP_CS PA4
|
|
* SPI_SCK PA5
|
|
* SPI_MISO PA6
|
|
* SPI_MOSI PA7
|
|
* TP_IRQ PB6
|
|
*/
|
|
|
|
static gBool init_board(GMouse* m, unsigned driverinstance) {
|
|
(void) m;
|
|
(void) driverinstance;
|
|
|
|
palSetPadMode(GPIOA, 4, PAL_MODE_OUTPUT_PUSHPULL);
|
|
palSetPadMode(GPIOA, 5, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
|
|
palSetPadMode(GPIOA, 6, PAL_MODE_INPUT_PULLUP);
|
|
palSetPadMode(GPIOA, 7, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
|
|
palSetPadMode(GPIOB, 6, PAL_MODE_INPUT);
|
|
|
|
spiStart(&SPID1, &spicfg);
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* PB6 is connected to TP_IRQ (low active).
|
|
*/
|
|
static GFXINLINE gBool getpin_pressed(GMouse* m) {
|
|
(void)m;
|
|
return (!palReadPad(GPIOB, 6));
|
|
}
|
|
|
|
/*
|
|
* PA4 is connected to TP_CS (low active):
|
|
*/
|
|
static GFXINLINE void aquire_bus(GMouse* m) {
|
|
(void)m;
|
|
spiAcquireBus(&SPID1);
|
|
palClearPad(GPIOA, 4);
|
|
}
|
|
|
|
static GFXINLINE void release_bus(GMouse* m) {
|
|
(void)m;
|
|
palSetPad(GPIOA, 4);
|
|
spiReleaseBus(&SPID1);
|
|
}
|
|
|
|
static GFXINLINE uint16_t read_value(GMouse* m, uint16_t port) {
|
|
(void)m;
|
|
static uint8_t txbuf[3] = {0};
|
|
static uint8_t rxbuf[3] = {0};
|
|
uint16_t ret;
|
|
|
|
txbuf[0] = port;
|
|
spiExchange(&SPID1, 3, txbuf, rxbuf);
|
|
ret = (rxbuf[1] << 5) | (rxbuf[2] >> 3);
|
|
return ret;
|
|
}
|
|
|
|
#endif /* _GINPUT_LLD_MOUSE_BOARD_H */
|