Adding FT5336 touch driver. Not tested yet.

remotes/origin_old/ugfx_release_2.6
Joel Bodenmann 2015-07-21 15:04:49 +02:00
parent c1d239bbda
commit 78dc6e4b8e
8 changed files with 697 additions and 5 deletions

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@ -27,4 +27,5 @@ ifeq ($(OPT_OS),raw32)
LDSCRIPT = $(GFXLIB)/boards/base/STM32F746-Discovery/stm32f746nghx_flash.ld
endif
include $(GFXLIB)/drivers/gdisp/STM32LTDC/driver.mk
include $(GFXLIB)/drivers/gdisp/STM32LTDC/driver.mk
include $(GFXLIB)/drivers/ginput/touch/FT5336/driver.mk

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@ -0,0 +1,226 @@
/*
* 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 "stm32f7xx.h"
// Resolution and Accuracy Settings
#define GMOUSE_FT5336_PEN_CALIBRATE_ERROR 8
#define GMOUSE_FT5336_PEN_CLICK_ERROR 6
#define GMOUSE_FT5336_PEN_MOVE_ERROR 4
#define GMOUSE_FT5336_FINGER_CALIBRATE_ERROR 14
#define GMOUSE_FT5336_FINGER_CLICK_ERROR 18
#define GMOUSE_FT5336_FINGER_MOVE_ERROR 14
// How much extra data to allocate at the end of the GMouse structure for the board's use
#define GMOUSE_FT5336_BOARD_DATA_SIZE 0
// Set this to TRUE if you want self-calibration.
// NOTE: This is not as accurate as real calibration.
// It requires the orientation of the touch panel to match the display.
// It requires the active area of the touch panel to exactly match the display size.
#define GMOUSE_FT5336_SELF_CALIBRATE FALSE
// The FT5336 slave address
#define FT5336_ADDR 0x70
static bool_t init_board(GMouse* m, unsigned instance)
{
(void)m;
(void)instance;
// I2C3_SCL GPIOH7, alternate, opendrain, highspeed
RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN; // Enable clock for
GPIOB->MODER |= GPIO_MODER_MODER7_1; // Alternate function
GPIOB->OTYPER |= GPIO_OTYPER_OT_7; // OpenDrain
GPIOB->PUPDR |= GPIO_PUPDR_PUPDR7_0; // PullUp
GPIOB->OSPEEDR |= GPIO_OSPEEDER_OSPEEDR7; // HighSpeed
GPIOB->AFR[0] |= (0b0100 << 4*0); // AF4
// I2C3_SDA GPIOH8, alternate, opendrain, highspeed
RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN; // Enable clock
GPIOB->MODER |= GPIO_MODER_MODER8_1; // Alternate function
GPIOB->OTYPER |= GPIO_OTYPER_OT_8; // OpenDrain
GPIOB->PUPDR |= GPIO_PUPDR_PUPDR8_0; // PullUp
GPIOB->OSPEEDR |= GPIO_OSPEEDER_OSPEEDR8; // HighSpeed
GPIOB->AFR[1] |= (0b0100 << 4*0); // AF4
// Enable I2C3 peripheral clock
RCC->APB1ENR |= RCC_APB1ENR_I2C3EN;
// Reset I2C3 peripheral
RCC->APB1RSTR |= RCC_APB1RSTR_I2C3RST;
RCC->APB1RSTR &= ~RCC_APB1RSTR_I2C3RST;
// Set Fm mode
I2C3->CCR |= I2C_CCR_FS;
// Set Duty to 50:50
I2C3->CCR &= ~I2C_CCR_DUTY;
// Set peripheral clock frequency (APB1 frequency)
// APB1CLK running at 42 MHz
I2C3->CR2 |= 42;
// Set I2C bus clock speed to 400 kHz
// Period of 400 kHz is 2.5 us, half of that is 1.25 us. TPCLK1 is
// 40 ns (see below). 1.25 us / 40 ns = 32.
I2C3->CCR |= (I2C_CCR_CCR & 32);
// Rise time
// Period of 42 MHz is 24 ns. Rise time is 1000 ns. 1000/24 = 42.
I2C3->TRISE |= (I2C_TRISE_TRISE & 42);
// Disable POS
I2C3->CR1 &=~ I2C_CR1_POS;
// Enable I2C3
I2C3->CR1 |= I2C_CR1_PE;
return TRUE;
}
static void write_reg(GMouse* m, uint8_t reg, uint8_t val)
{
(void)m;
// Generate start condition
I2C3->CR1 |= I2C_CR1_START;
while (!(I2C3->SR2 & I2C_SR2_MSL));
while (!(I2C3->SR1 & I2C_SR1_SB));
// Send slave address (Write = last bit is 0)
I2C3->DR = ((FT5336_ADDR | 0) & I2C_DR_DR);
while (!(I2C3->SR1 & I2C_SR1_ADDR));
// Read SR1/SR2 register to clear the SB bit (see STM32F4xx RM)
(void)I2C3->SR1;
(void)I2C3->SR2;
// Send register address
while (!(I2C3->SR1 & I2C_SR1_TXE));
I2C3->DR = (reg & I2C_DR_DR);
// Send data
while (!(I2C3->SR1 & I2C_SR1_TXE));
I2C3->DR = (val & I2C_DR_DR);
// Generate stop condition when we are done transmitting
while (!(I2C3->SR1 & I2C_SR1_TXE));
I2C3->CR1 |= I2C_CR1_STOP;
}
static uint8_t read_byte(GMouse* m, uint8_t reg)
{
(void)m;
uint8_t ret = 0x00;
// Generate start condition
I2C3->CR1 |= I2C_CR1_START;
while (!(I2C3->SR2 & I2C_SR2_MSL));
while (!(I2C3->SR1 & I2C_SR1_SB));
// Send slave address (Write = last bit is 0)
I2C3->DR = ((FT5336_ADDR | 0) & I2C_DR_DR);
while (!(I2C3->SR1 & I2C_SR1_ADDR));
// Read SR1/SR2 register to clear the SB bit (see STM32F4xx RM)
(void)I2C3->SR1;
(void)I2C3->SR2;
// Send register address that we want to read
I2C3->DR = (reg & I2C_DR_DR);
while (!(I2C3->SR1 & I2C_SR1_BTF));
// Generate start condition (repeated start)
I2C3->CR1 |= I2C_CR1_START;
while (!(I2C3->SR2 & I2C_SR2_MSL));
while (!(I2C3->SR1 & I2C_SR1_SB));
// Send slave address (Read = last bit is 1)
I2C3->DR = ((FT5336_ADDR | 1) & I2C_DR_DR);
while (!(I2C3->SR1 & I2C_SR1_ADDR));
// Set up for one byte receival
I2C3->CR1 &= ~I2C_CR1_POS;
//I2C3->CR1 |= I2C_CR1_ACK;
// Read SR1/SR2 register to clear the SB bit (see STM32F4xx RM)
(void)I2C3->SR1;
(void)I2C3->SR2;
// Clean SR1_ACK. This needs to be done on the last byte received from slave
I2C3->CR1 &= ~I2C_CR1_ACK;
// Generate stop condition
I2C3->CR1 |= I2C_CR1_STOP;
return ret;
}
static uint16_t read_word(GMouse* m, uint8_t reg)
{
(void)m;
uint16_t ret = 0x00;
// Generate start condition
I2C3->CR1 |= I2C_CR1_START;
while (!(I2C3->SR2 & I2C_SR2_MSL));
while (!(I2C3->SR1 & I2C_SR1_SB));
// Send slave address (Write = last bit is 0)
I2C3->DR = ((FT5336_ADDR | 0) & I2C_DR_DR);
while (!(I2C3->SR1 & I2C_SR1_ADDR));
// Read SR1/SR2 register to clear the SB bit (see STM32F4xx RM)
(void)I2C3->SR1;
(void)I2C3->SR2;
// Send register address that we want to read
I2C3->DR = (reg & I2C_DR_DR);
while (!(I2C3->SR1 & I2C_SR1_BTF));
// Generate start condition (repeated start)
I2C3->CR1 |= I2C_CR1_START;
while (!(I2C3->SR2 & I2C_SR2_MSL));
while (!(I2C3->SR1 & I2C_SR1_SB));
// Send slave address (Read = last bit is 1)
I2C3->DR = ((FT5336_ADDR | 1) & I2C_DR_DR);
while (!(I2C3->SR1 & I2C_SR1_ADDR));
// Set up for two byte receival
I2C3->CR1 |= I2C_CR1_POS;
//I2C3->CR1 &= ~I2C_CR1_ACK;
I2C3->SR1 &= ~I2C_SR1_ADDR;
// Read SR1/SR2 register to clear the SB bit (see STM32F4xx RM)
(void)I2C3->SR1;
(void)I2C3->SR2;
// The slave should now send a byte to us.
while (!(I2C3->SR1 & I2C_SR1_RXNE));
ret = (uint16_t)((I2C3->DR & 0x00FF) << 8);
// Set STOP and clear ACK right after reading the second last byte
I2C3->CR1 |= I2C_CR1_STOP;
I2C3->CR1 &= ~I2C_CR1_ACK;
// The second byte becomes available after sending the stop condition
ret |= (I2C3->DR & 0x00FF);
// Get back to original state
I2C3->CR1 &= ~I2C_CR1_POS;
return ret;
}
#endif /* _GINPUT_LLD_MOUSE_BOARD_H */

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@ -176,7 +176,9 @@ void SystemInit(void)
RCC->CR &= (uint32_t)0xFEF6FFFF;
/* Reset PLLCFGR register */
RCC->PLLCFGR = 0x24003010;
//RCC->PLLCFGR = 0x24003010; // From discovery example
// M = 12 = 0b1100, N = 192 = 0b11000000, P = 2 = 0b10, Q = 2 = 0b10
RCC->PLLCFGR = 0x00C0980C;
/* Reset HSEBYP bit */
RCC->CR &= (uint32_t)0xFFFBFFFF;

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@ -64,6 +64,7 @@ void Raw32OSInit(void) {
*/
void SystemClock_Config(void)
{
#if 0
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
HAL_StatusTypeDef ret = HAL_OK;
@ -73,10 +74,10 @@ void SystemClock_Config(void)
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 25;
RCC_OscInitStruct.PLL.PLLN = 400; // 432
RCC_OscInitStruct.PLL.PLLM = 12;
RCC_OscInitStruct.PLL.PLLN = 192; // 432
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 8; // 9
RCC_OscInitStruct.PLL.PLLQ = 2; // 9
ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
if(ret != HAL_OK)
@ -103,6 +104,46 @@ void SystemClock_Config(void)
{
while(1) { ; }
}
#else
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
__PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = 16;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 12;
RCC_OscInitStruct.PLL.PLLN = 192;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 2;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
HAL_PWREx_ActivateOverDrive();
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_6);
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C1;
PeriphClkInitStruct.I2c1ClockSelection = RCC_I2C1CLKSOURCE_PCLK1;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
#endif
}
/**

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@ -0,0 +1,2 @@
# List the required driver.
GFXSRC += $(GFXLIB)/drivers/ginput/touch/FT5336/gmouse_lld_FT5336.c

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@ -0,0 +1,241 @@
/*
* 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 _FT5336_H
#define _FT5336_H
// I2C Slave address of touchscreen FocalTech FT5336
#define FT5336_I2C_SLAVE_ADDRESS 0x70
// Maximum border values of the touchscreen pad
#define FT5336_MAX_WIDTH 480 // Touchscreen pad max width
#define FT5336_MAX_HEIGHT 272 // Touchscreen pad max height
// Possible values of driver functions return status
#define FT5336_STATUS_OK 0x00
#define FT5336_STATUS_NOT_OK 0x01
// Possible values of global variable 'TS_I2C_Initialized'
#define FT5336_I2C_NOT_INITIALIZED 0x00
#define FT5336_I2C_INITIALIZED 0x01
// Max detectable simultaneous touches
#define FT5336_MAX_DETECTABLE_TOUCH 0x05
// Current mode register of the FT5336 (R)/W
#define FT5336_DEV_MODE_REG 0x00
// Possible values of FT5336_DEV_MODE_REG
#define FT5336_DEV_MODE_WORKING 0x00
#define FT5336_DEV_MODE_FACTORY 0x04
#define FT5336_DEV_MODE_MASK 0x07
#define FT5336_DEV_MODE_SHIFT 0x04
// Gesture ID register
#define FT5336_GEST_ID_REG 0x01
// Possible values of FT5336_GEST_ID_REG
#define FT5336_GEST_ID_NO_GESTURE 0x00
#define FT5336_GEST_ID_MOVE_UP 0x10
#define FT5336_GEST_ID_MOVE_RIGHT 0x14
#define FT5336_GEST_ID_MOVE_DOWN 0x18
#define FT5336_GEST_ID_MOVE_LEFT 0x1C
#define FT5336_GEST_ID_SINGLE_CLICK 0x20
#define FT5336_GEST_ID_DOUBLE_CLICK 0x22
#define FT5336_GEST_ID_ROTATE_CLOCKWISE 0x28
#define FT5336_GEST_ID_ROTATE_C_CLOCKWISE 0x29
#define FT5336_GEST_ID_ZOOM_IN 0x40
#define FT5336_GEST_ID_ZOOM_OUT 0x49
// Touch Data Status register : gives number of active touch points (0..5)
#define FT5336_TD_STAT_REG 0x02
// Values related to FT5336_TD_STAT_REG
#define FT5336_TD_STAT_MASK 0x0F
#define FT5336_TD_STAT_SHIFT 0x00
// Values Pn_XH and Pn_YH related
#define FT5336_TOUCH_EVT_FLAG_PRESS_DOWN 0x00
#define FT5336_TOUCH_EVT_FLAG_LIFT_UP 0x01
#define FT5336_TOUCH_EVT_FLAG_CONTACT 0x02
#define FT5336_TOUCH_EVT_FLAG_NO_EVENT 0x03
#define FT5336_TOUCH_EVT_FLAG_SHIFT 0x06
#define FT5336_TOUCH_EVT_FLAG_MASK (3 << FT5336_TOUCH_EVT_FLAG_SHIFT)
#define FT5336_TOUCH_POS_MSB_MASK 0x0F
#define FT5336_TOUCH_POS_MSB_SHIFT 0x00
// Values Pn_XL and Pn_YL related
#define FT5336_TOUCH_POS_LSB_MASK 0xFF
#define FT5336_TOUCH_POS_LSB_SHIFT 0x00
// Values Pn_WEIGHT related
#define FT5336_TOUCH_WEIGHT_MASK 0xFF
#define FT5336_TOUCH_WEIGHT_SHIFT 0x00
// Values related to FT5336_Pn_MISC_REG
#define FT5336_TOUCH_AREA_MASK (0x04 << 4)
#define FT5336_TOUCH_AREA_SHIFT 0x04
#define FT5336_P1_XH_REG 0x03
#define FT5336_P1_XL_REG 0x04
#define FT5336_P1_YH_REG 0x05
#define FT5336_P1_YL_REG 0x06
#define FT5336_P1_WEIGHT_REG 0x07
#define FT5336_P1_MISC_REG 0x08
#define FT5336_P2_XH_REG 0x09
#define FT5336_P2_XL_REG 0x0A
#define FT5336_P2_YH_REG 0x0B
#define FT5336_P2_YL_REG 0x0C
#define FT5336_P2_WEIGHT_REG 0x0D
#define FT5336_P2_MISC_REG 0x0E
#define FT5336_P3_XH_REG 0x0F
#define FT5336_P3_XL_REG 0x10
#define FT5336_P3_YH_REG 0x11
#define FT5336_P3_YL_REG 0x12
#define FT5336_P3_WEIGHT_REG 0x13
#define FT5336_P3_MISC_REG 0x14
#define FT5336_P4_XH_REG 0x15
#define FT5336_P4_XL_REG 0x16
#define FT5336_P4_YH_REG 0x17
#define FT5336_P4_YL_REG 0x18
#define FT5336_P4_WEIGHT_REG 0x19
#define FT5336_P4_MISC_REG 0x1A
#define FT5336_P5_XH_REG 0x1B
#define FT5336_P5_XL_REG 0x1C
#define FT5336_P5_YH_REG 0x1D
#define FT5336_P5_YL_REG 0x1E
#define FT5336_P5_WEIGHT_REG 0x1F
#define FT5336_P5_MISC_REG 0x20
#define FT5336_P6_XH_REG 0x21
#define FT5336_P6_XL_REG 0x22
#define FT5336_P6_YH_REG 0x23
#define FT5336_P6_YL_REG 0x24
#define FT5336_P6_WEIGHT_REG 0x25
#define FT5336_P6_MISC_REG 0x26
#define FT5336_P7_XH_REG 0x27
#define FT5336_P7_XL_REG 0x28
#define FT5336_P7_YH_REG 0x29
#define FT5336_P7_YL_REG 0x2A
#define FT5336_P7_WEIGHT_REG 0x2B
#define FT5336_P7_MISC_REG 0x2C
#define FT5336_P8_XH_REG 0x2D
#define FT5336_P8_XL_REG 0x2E
#define FT5336_P8_YH_REG 0x2F
#define FT5336_P8_YL_REG 0x30
#define FT5336_P8_WEIGHT_REG 0x31
#define FT5336_P8_MISC_REG 0x32
#define FT5336_P9_XH_REG 0x33
#define FT5336_P9_XL_REG 0x34
#define FT5336_P9_YH_REG 0x35
#define FT5336_P9_YL_REG 0x36
#define FT5336_P9_WEIGHT_REG 0x37
#define FT5336_P9_MISC_REG 0x38
#define FT5336_P10_XH_REG 0x39
#define FT5336_P10_XL_REG 0x3A
#define FT5336_P10_YH_REG 0x3B
#define FT5336_P10_YL_REG 0x3C
#define FT5336_P10_WEIGHT_REG 0x3D
#define FT5336_P10_MISC_REG 0x3E
// Threshold for touch detection
#define FT5336_TH_GROUP_REG 0x80
// Values FT5336_TH_GROUP_REG : threshold related
#define FT5336_THRESHOLD_MASK 0xFF
#define FT5336_THRESHOLD_SHIFT 0x00
// Filter function coefficients
#define FT5336_TH_DIFF_REG 0x85
// Control register
#define FT5336_CTRL_REG 0x86
// Values related to FT5336_CTRL_REG
// Will keep the Active mode when there is no touching
#define FT5336_CTRL_KEEP_ACTIVE_MODE 0x00
// Switching from Active mode to Monitor mode automatically when there is no touching
#define FT5336_CTRL_KEEP_AUTO_SWITCH_MONITOR_MODE 0x01
// The time period of switching from Active mode to Monitor mode when there is no touching
#define FT5336_TIMEENTERMONITOR_REG 0x87
// Report rate in Active mode
#define FT5336_PERIODACTIVE_REG 0x88
// Report rate in Monitor mode
#define FT5336_PERIODMONITOR_REG 0x89
// The value of the minimum allowed angle while Rotating gesture mode
#define FT5336_RADIAN_VALUE_REG 0x91
// Maximum offset while Moving Left and Moving Right gesture
#define FT5336_OFFSET_LEFT_RIGHT_REG 0x92
// Maximum offset while Moving Up and Moving Down gesture
#define FT5336_OFFSET_UP_DOWN_REG 0x93
// Minimum distance while Moving Left and Moving Right gesture
#define FT5336_DISTANCE_LEFT_RIGHT_REG 0x94
// Minimum distance while Moving Up and Moving Down gesture
#define FT5336_DISTANCE_UP_DOWN_REG 0x95
// Maximum distance while Zoom In and Zoom Out gesture
#define FT5336_DISTANCE_ZOOM_REG 0x96
// High 8-bit of LIB Version info
#define FT5336_LIB_VER_H_REG 0xA1
// Low 8-bit of LIB Version info
#define FT5336_LIB_VER_L_REG 0xA2
// Chip Selecting
#define FT5336_CIPHER_REG 0xA3
// Interrupt mode register (used when in interrupt mode
#define FT5336_GMODE_REG 0xA4
#define FT5336_G_MODE_INTERRUPT_MASK 0x03
#define FT5336_G_MODE_INTERRUPT_SHIFT 0x00
// Possible values of FT5336_GMODE_REG
#define FT5336_G_MODE_INTERRUPT_POLLING 0x00
#define FT5336_G_MODE_INTERRUPT_TRIGGER 0x01
// Current power mode the FT5336 system is in (R)
#define FT5336_PWR_MODE_REG 0xA5
// FT5336 firmware version
#define FT5336_FIRMID_REG 0xA6
// FT5336 Chip identification register
#define FT5336_CHIP_ID_REG 0xA8
// Possible values of FT5336_CHIP_ID_REG
#define FT5336_ID_VALUE 0x51
// Release code version
#define FT5336_RELEASE_CODE_ID_REG 0xAF
// Current operating mode the FT5336 system is in (R)
#define FT5336_STATE_REG 0xBC
#endif /* _FT5336_H */

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@ -0,0 +1,120 @@
/*
* 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
*/
#include "gfx.h"
#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
#define GMOUSE_DRIVER_VMT GMOUSEVMT_FT5336
#include "src/ginput/ginput_driver_mouse.h"
// Get the hardware interface
#include "gmouse_lld_FT5336_board.h"
// Hardware definitions
#include "drivers/ginput/touch/FT5336/ft5336.h"
static bool_t ft5336Init(GMouse* m, unsigned driverinstance)
{
if (!init_board(m, driverinstance)) {
return FALSE;
}
// Init default values. (From NHD-3.5-320240MF-ATXL-CTP-1 datasheet)
// Valid touching detect threshold
write_reg(m, FT5336_TH_GROUP_REG, 0x16);
// Touch difference threshold
write_reg(m, FT5336_TH_DIFF_REG, 0xA0);
// Delay to enter 'Monitor' status (s)
write_reg(m, FT5336_TIMEENTERMONITOR_REG, 0x0A);
// Period of 'Active' status (ms)
write_reg(m, FT5336_PERIODACTIVE_REG, 0x06);
// Timer to enter 'idle' when in 'Monitor' (ms)
write_reg(m, FT5336_PERIODMONITOR_REG, 0x28);
return TRUE;
}
static bool_t ft5336ReadXYZ(GMouse* m, GMouseReading* pdr)
{
// Assume not touched.
pdr->buttons = 0;
pdr->z = 0;
// Only take a reading if we are touched.
if ((read_byte(m, FT5336_TD_STAT_REG) & 0x07)) {
/* Get the X, Y, Z values */
pdr->x = (coord_t)(read_word(m, FT5336_P1_XH_REG) & 0x0FFF);
pdr->y = (coord_t)(read_word(m, FT5336_P1_YH_REG) & 0xFFFF);
pdr->z = 1;
// Rescale X,Y if we are using self-calibration
#if GMOUSE_FT5336_SELF_CALIBRATE
#if GDISP_NEED_CONTROL
switch(gdispGGetOrientation(m->display)) {
default:
case GDISP_ROTATE_0:
case GDISP_ROTATE_180:
pdr->x = gdispGGetWidth(m->display) - pdr->x / (4096/gdispGGetWidth(m->display));
pdr->y = pdr->y / (4096/gdispGGetHeight(m->display));
break;
case GDISP_ROTATE_90:
case GDISP_ROTATE_270:
pdr->x = gdispGGetHeight(m->display) - pdr->x / (4096/gdispGGetHeight(m->display));
pdr->y = pdr->y / (4096/gdispGGetWidth(m->display));
break;
}
#else
pdr->x = gdispGGetWidth(m->display) - pdr->x / (4096/gdispGGetWidth(m->display));
pdr->y = pdr->y / (4096/gdispGGetHeight(m->display));
#endif
#endif
}
return TRUE;
}
const GMouseVMT const GMOUSE_DRIVER_VMT[1] = {{
{
GDRIVER_TYPE_TOUCH,
#if GMOUSE_FT5336_SELF_CALIBRATE
GMOUSE_VFLG_TOUCH | GMOUSE_VFLG_ONLY_DOWN | GMOUSE_VFLG_POORUPDOWN,
#else
GMOUSE_VFLG_TOUCH | GMOUSE_VFLG_ONLY_DOWN | GMOUSE_VFLG_POORUPDOWN | GMOUSE_VFLG_CALIBRATE | GMOUSE_VFLG_CAL_TEST,
#endif
sizeof(GMouse) + GMOUSE_FT5336_BOARD_DATA_SIZE,
_gmouseInitDriver,
_gmousePostInitDriver,
_gmouseDeInitDriver
},
1, // z_max - (currently?) not supported
0, // z_min - (currently?) not supported
1, // z_touchon
0, // z_touchoff
{ // pen_jitter
GMOUSE_FT5336_PEN_CALIBRATE_ERROR, // calibrate
GMOUSE_FT5336_PEN_CLICK_ERROR, // click
GMOUSE_FT5336_PEN_MOVE_ERROR // move
},
{ // finger_jitter
GMOUSE_FT5336_FINGER_CALIBRATE_ERROR, // calibrate
GMOUSE_FT5336_FINGER_CLICK_ERROR, // click
GMOUSE_FT5336_FINGER_MOVE_ERROR // move
},
ft5336Init, // init
0, // deinit
ft5336ReadXYZ, // get
0, // calsave
0 // calload
}};
#endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */

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/*
* 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
// Resolution and Accuracy Settings
#define GMOUSE_FT5336_PEN_CALIBRATE_ERROR 8
#define GMOUSE_FT5336_PEN_CLICK_ERROR 6
#define GMOUSE_FT5336_PEN_MOVE_ERROR 4
#define GMOUSE_FT5336_FINGER_CALIBRATE_ERROR 14
#define GMOUSE_FT5336_FINGER_CLICK_ERROR 18
#define GMOUSE_FT5336_FINGER_MOVE_ERROR 14
// How much extra data to allocate at the end of the GMouse structure for the board's use
#define GMOUSE_FT5336_BOARD_DATA_SIZE 0
// Set this to TRUE if you want self-calibration.
// NOTE: This is not as accurate as real calibration.
// It requires the orientation of the touch panel to match the display.
// It requires the active area of the touch panel to exactly match the display size.
#define GMOUSE_FT5336_SELF_CALIBRATE FALSE
static bool_t init_board(GMouse* m, unsigned instance)
{
(void)m;
(void)instance;
return TRUE;
}
static void write_reg(GMouse* m, uint8_t reg, uint8_t val)
{
(void)m;
(void)reg;
(void)val;
}
static uint8_t read_byte(GMouse* m, uint8_t reg)
{
(void)m;
(void)reg;
return (uint16_t)0x00;
}
static uint16_t read_word(GMouse* m, uint8_t reg)
{
(void)m;
(void)reg;
return (uint16_t)0x0000;
}
#endif /* _GINPUT_LLD_MOUSE_BOARD_H */