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Diffstat (limited to 'boards/base/STM32F469i-Discovery/CubeHAL/gmouse_lld_FT6x06_board.h')
-rw-r--r--boards/base/STM32F469i-Discovery/CubeHAL/gmouse_lld_FT6x06_board.h110
1 files changed, 110 insertions, 0 deletions
diff --git a/boards/base/STM32F469i-Discovery/CubeHAL/gmouse_lld_FT6x06_board.h b/boards/base/STM32F469i-Discovery/CubeHAL/gmouse_lld_FT6x06_board.h
new file mode 100644
index 00000000..04f72a72
--- /dev/null
+++ b/boards/base/STM32F469i-Discovery/CubeHAL/gmouse_lld_FT6x06_board.h
@@ -0,0 +1,110 @@
+/*
+ * 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
+ */
+
+#ifndef _GINPUT_LLD_MOUSE_BOARD_H
+#define _GINPUT_LLD_MOUSE_BOARD_H
+
+#include "ft6x06.h"
+#include "stm32f4xx.h"
+#include "stm32f4xx_hal.h"
+
+// Resolution and Accuracy Settings
+#define GMOUSE_FT6x06_PEN_CALIBRATE_ERROR 40
+#define GMOUSE_FT6x06_PEN_CLICK_ERROR 16
+#define GMOUSE_FT6x06_PEN_MOVE_ERROR 14
+#define GMOUSE_FT6x06_FINGER_CALIBRATE_ERROR 50
+#define GMOUSE_FT6x06_FINGER_CLICK_ERROR 28
+#define GMOUSE_FT6x06_FINGER_MOVE_ERROR 24
+
+// How much extra data to allocate at the end of the GMouse structure for the board's use
+#define GMOUSE_FT6x06_BOARD_DATA_SIZE 0
+
+/* The FT6x06 I2C slave address */
+#define FT6x06_SLAVE_ADDR 0x54
+
+I2C_HandleTypeDef i2cHandle;
+/* Maximum speed (400kHz) */
+#define CLOCKSPEED 400000;
+
+static bool_t init_board(GMouse* m, unsigned instance) {
+ (void)m;
+ (void)instance;
+
+ GPIO_InitTypeDef gpioInit;
+ /* I2C1_SCL PB8 */
+ __HAL_RCC_GPIOB_CLK_ENABLE(); // Enable GPIOB clock
+ gpioInit.Pin = GPIO_PIN_8;
+ gpioInit.Mode = GPIO_MODE_AF_OD; // I2C -> Open-drain
+ gpioInit.Pull = GPIO_NOPULL; // Open-drain -> no pull
+ gpioInit.Speed = GPIO_SPEED_FREQ_HIGH; // High speed
+ gpioInit.Alternate = GPIO_AF4_I2C1; // Alternate function 4
+ HAL_GPIO_Init(GPIOB, &gpioInit);
+
+ /* I2C1_SDA PB9 */
+ gpioInit.Pin = GPIO_PIN_9;
+ HAL_GPIO_Init(GPIOB, &gpioInit);
+
+ /* LCD_INT PJ5 */
+ __HAL_RCC_GPIOJ_CLK_ENABLE();
+ gpioInit.Pin = GPIO_PIN_5;
+ gpioInit.Mode = GPIO_MODE_INPUT; // Input mode
+ gpioInit.Pull = GPIO_PULLUP; // Pull-up
+ HAL_GPIO_Init(GPIOJ, &gpioInit);
+
+ /* I2C1 intialization */
+ i2cHandle.Instance = I2C1;
+ i2cHandle.Init.ClockSpeed = CLOCKSPEED;
+ i2cHandle.Init.DutyCycle = I2C_DUTYCYCLE_2; // Normal duty cycle
+ i2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE; // No dual adressing needed
+ i2cHandle.Init.OwnAddress1 = 0x00;
+ i2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
+ i2cHandle.Init.OwnAddress2 = 0x00;
+ i2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE; // All not needed so disabled
+ i2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
+
+ __HAL_RCC_I2C1_CLK_ENABLE();
+
+ if(HAL_I2C_Init(&i2cHandle) == HAL_OK)
+ return TRUE;
+
+ return FALSE;
+}
+
+static GFXINLINE void aquire_bus(GMouse* m) {
+ (void)m;
+}
+
+static GFXINLINE void release_bus(GMouse* m) {
+ (void)m;
+}
+
+static void write_reg(GMouse* m, uint8_t reg, uint8_t val) {
+ (void)m;
+
+ HAL_I2C_Mem_Write(&i2cHandle, FT6x06_SLAVE_ADDR, (uint16_t)reg, I2C_MEMADD_SIZE_8BIT, &val, 1, 1000);
+}
+
+static uint8_t read_byte(GMouse* m, uint8_t reg) {
+ (void)m;
+ uint8_t result;
+
+ HAL_I2C_Mem_Read(&i2cHandle, FT6x06_SLAVE_ADDR, (uint16_t)reg, I2C_MEMADD_SIZE_8BIT, &result, 1, 1000);
+
+ return result;
+}
+
+static uint16_t read_word(GMouse* m, uint8_t reg) {
+ (void)m;
+ uint8_t result[2];
+
+ HAL_I2C_Mem_Read(&i2cHandle, FT6x06_SLAVE_ADDR, (uint16_t)reg, I2C_MEMADD_SIZE_8BIT, result, 2, 1000);
+
+ return (result[0]<<8 | result[1]);
+
+}
+
+#endif /* _GINPUT_LLD_MOUSE_BOARD_H */