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Flesh out a few missing pieces for the Arduino ITEAD TFT shield

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This commit is contained in:
Gregory Nutt 2013-07-02 11:36:48 -06:00
parent 3c36e6e8b5
commit d09fd9a9ca
5 changed files with 200 additions and 111 deletions
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131
configs/arduino-due/README.txt
View File

@ -59,9 +59,9 @@ PIO Pin Usage
PA23 AD2 ADCL 2 PB23 SS3 ??? PC23 PWM7 PWML 8
PA24 AD1 ADCL 1 PB24 N/C N/A PC24 PWM6 PWML 7
PA25 MISO SPI 1 PB25 PWM2 PWML 3 PC25 PWM5 PWML 6
PA26 MOSI SPI 4 PB26 PIN22 ??? PC26 SS1/PWM4 ??? (there are two)
PA26 MOSI SPI 4 PB26 PIN22 ??? PC26 SS1/PWM4 PWML 10 (there are two)
PA27 SPCK SPI 3 PB27 PWM13 PWMH 6 PC27 N/C N/A
PA28 SS0/PWM10 (ETH) PB28 JTAG_TCK JTAG 4 PC28 PWM3 PWML 4
PA28 SS0/PWM10 (ETH) PWML 10 PB28 JTAG_TCK JTAG 4 PC28 PWM3 PWML 4
PA29 SS1/PWM4 (SD) PB29 JTAG_TDI JTAG 8 PC29 SS0/PWM10 ??? (there are two)
PA30 N/A N/A PB30 JTAG_TDO JTAG 6 PC30 RXL RX YELLOW LED
PA31 N/A N/A PB31 JTAG_TMS JTAG 2 PC31 N/A N/A
@ -120,53 +120,55 @@ ITEAD 2.4" TFT with Touch
3. With SD Card Socket
The Arduino 2.4" TFT Touch shield uses the S6D1121 controller , it
supports 8-bit data interface. The touch IC is TSC2046.
supports 8-bit data interface. The touch IC is XPT2046.
---------- --------------------------- ----------- ----- ---------- ------------------
Arduino ATSAM3X Due ITHEAD
Due PIN GPIO FUNCTION SIGNAL PIN SIGNAL NOTES
---------- ---- ---------------------- ----------- ----- ---------- ------------------
Connector:
---------- --------------------------- ----------- --------------------------- ------------------
Arduino ATSAM3X Due ITHEAD
Due PIN GPIO FUNCTION SIGNAL PIN SIGNAL NOTES
---------- ---- ---------------------- ----------- ---------------- ---------- ------------------
PWMH
10 SCL1 PA18 TWCK0/A20/WKUP9 SCL1 --- --- SCL not available
9 SDA1 PA17 TWD0SPCK0 SDA1 --- --- SDA not available
8 Aref --- --- AREF Vref --- ---
7 GND --- --- GND GND --- ---
6 PWM13 PB27 SPI0_SPCK/A20/WKUP10 PWM13 D13 SD_SCK SCK, also LED "L", Pulled low on-board
5 PWM12 PD8 A21/NANDALE/TIOB8 PWM12 D12 SD_MISO MISO not available
4 PWM11 PD7 A17/BA1/TIOA8 PWM11 D11 SD_MOSI MOSI not available, Pulled low on-board
3 PWM10 ??? ??? SS0/PWM10 D10 SD_CS Pulled low on-board
2 PWM9 PC21 A0/NBS0/PWML4 PWM9 D9 Touch_Dout ---
1 PWM8 PC22 A1/PWML5 PWM8 D8 Touch_IRQ ---
10 SCL1 PA18 TWCK0/A20/WKUP9 SCL1 --- --- --- SCL not available
9 SDA1 PA17 TWD0SPCK0 SDA1 --- --- --- SDA not available
8 Aref --- --- AREF J2 pin 8 Vref N/C ---
7 GND --- --- GND J2 pin 7 GND --- ---
6 PWM13 PB27 SPI0_SPCK/A20/WKUP10 PWM13 J2 pin 6 D13 SD_SCK SCK, also LED "L", Pulled low
5 PWM12 PD8 A21/NANDALE/TIOB8 PWM12 J2 pin 5 D12 SD_MISO MISO not available
4 PWM11 PD7 A17/BA1/TIOA8 PWM11 J2 pin 4 D11 SD_MOSI MOSI not available, Pulled low
3 PWM10 PA28 SPI0_NPCS0/PCK2/WKUP11 SS0/PWM10 J2 pin 3 D10 SD_CS Pulled low on-board
2 PWM9 PC21 A0/NBS0/PWML4 PWM9 J2 pin 2 D9 Touch_Dout ---
1 PWM8 PC22 A1/PWML5 PWM8 J2 pin 1 D8 Touch_IRQ ---
PWML
8 PWM7 PC23 A2/PWML6 PWM7 D7 DB15 ---
7 PWM6 PC24 A3/PWML7 PWM6 D6 DB14 ---
6 PWM5 PC25 A4/TIOA6 PWM5 D5 DB13 ---
5 PWM4 PC26 A5/TIOB6 SS1/PWM4 D4 DB12 ---
4 PWM3 PC28 A7/TIOA7 PWM3 D3 DB11 ---
3 PWM2 PB25 RTS0/TIOA0 PWM2 D2 DB10 ---
2 PWM1 PA9 UTXD/PWMH3 TX D1 DB9 UART0 TX
1 PWM0 PA8 URXD/PWMH0/WKUP4 RX D0 DB8 UART0 RX
---------- ---- ---------------------- ----------- ----- ---------- ------------------
8 PWM7 PC23 A2/PWML6 PWM7 J3 pin 8 D7 DB15 ---
7 PWM6 PC24 A3/PWML7 PWM6 J3 pin 7 D6 DB14 ---
6 PWM5 PC25 A4/TIOA6 PWM5 J3 pin 6 D5 DB13 ---
5 PWM4 PC26 A5/TIOB6 SS1/PWM4 J3 pin 5 D4 DB12 ---
4 PWM3 PC28 A7/TIOA7 PWM3 J3 pin 4 D3 DB11 ---
3 PWM2 PB25 RTS0/TIOA0 PWM2 J3 pin 3 D2 DB10 ---
2 PWM1 PA9 UTXD/PWMH3 TX J3 pin 2 D1 DB9 UART0 TX
1 PWM0 PA8 URXD/PWMH0/WKUP4 RX J3 pin 1 D0 DB8 UART0 RX
---------- ---- ---------------------- ----------- ---------------- ---------- ------------------
POWER
1 --- --- --- --- --- --- ---
2 IOref --- --- IOREF +3V3 --- --- ---
3 RESET --- --- MASTER_RESET RST --- ---
4 3.3V --- --- +3V3 5V --- ---
5 5V --- --- +5V 3.3V --- ---
6 GND --- --- GND GND --- ---
7 GND --- --- GND GND --- ---
8 Vin --- --- VIN Vin --- ---
1 --- --- --- --- --- --- --- ---
2 IOref --- --- IOREF +3V3 --- --- --- ---
3 RESET --- --- MASTER_RESET J4 pin 1 RST --- ---
5 5V --- --- +5V J4 pin 2 3.3V --- ---
4 3.3V --- --- +3V3 J4 pin 3 5V --- ---
6 GND --- --- GND J4 pin 4 GND --- ---
7 GND --- --- GND J4 pin 5 GND --- ---
8 Vin --- --- VIN J4 pin 6 Vin --- ---
ADCL
1 A0 PA16 SPCK1/TD/AD7 AD0 A0 Touch_Din ---
2 A1 PA24 MCDA3/PCK1/AD6 AD1 A1 Touch_CLK ---
3 A2 PA23 MCDA2/TCLK4/AD5 AD2 A2 --- ---
4 A3 PA22 MCDA1/TCLK3/AD4 AD3 A3 TFT_CS ---
5 A4 PA6 TIOB2/NCS0/AD3 AD4 A4 TFT_WR ---
6 A5 PA4 TCLK1/NWAIT/AD2 AD5 A5 TFT_RS ---
7 A6 PA3 TIOB1/PWMFI1/AD1/WKUP1 AD6 --- --- ---
8 A7 PA2 TIOA1/NANDRDY/AD0 AD7 --- --- ---
---------- ---- ---------------------- ----------- ----- ---------- ------------------
1 A0 PA16 SPCK1/TD/AD7 AD0 J1 pin 1 A0/D14 Touch_Din ---
2 A1 PA24 MCDA3/PCK1/AD6 AD1 J1 pin 2 A1/D15 Touch_CLK ---
3 A2 PA23 MCDA2/TCLK4/AD5 AD2 J1 pin 3 A2/D16 --- ---
4 A3 PA22 MCDA1/TCLK3/AD4 AD3 J1 pin 4 A3/D17 TFT_CS ---
5 A4 PA6 TIOB2/NCS0/AD3 AD4 J1 pin 5 A4/D18 TFT_WR ---
6 A5 PA4 TCLK1/NWAIT/AD2 AD5 J1 pin 6 A5/D19 TFT_RS ---
7 A6 PA3 TIOB1/PWMFI1/AD1/WKUP1 AD6 --- --- --- ---
8 A7 PA2 TIOA1/NANDRDY/AD0 AD7 --- --- --- ---
---------- ---- ---------------------- ----------- ---------------- ---------- ------------------
NOTES:
@ -175,7 +177,48 @@ ITEAD 2.4" TFT with Touch
and the SD card.
2. UART0 cannot be used. USARTs on the COMM connector should be available.
3. Parallel data is not contiguous in the PIO register
4. 3.3V and 5V are reversed.
4. Touchcontroller /CS pin is connected to ground (always selected).
5. Either PA28 or PC29 may drive PWM10
SD Interface:
------------ ------------------ ------- ------------- ------------------ -------
SD CONNECTOR ARDUINO CONNECTORS AT91SAM SD CONNECTOR ARDUINO CONNECTORS AT91SAM
PIN SIGNAL PIN SIGNAL GPIO PIN SIGNAL PIN SIGNAL GPIO
--- -------- -------- --------- -------- ---- -------- -------- --------- -------
1 /CS J2 pin 3 D10 PA28 2 DI J2 pin 4 D11 PD7
3 GND --- --- --- 4 VCC --- --- ---
5 CLK J2 pin 6 D13 PB27 6 GND --- --- ---
7 DO J2 pin 5 D12 PD8 8 IRQ N/C --- ---
9 N/C --- --- --- 10 SW N/C --- ---
11 WP N/C --- --- 12 CD N/C --- ---
13 CD N/C --- --- 14 GND --- --- ---
15 GND --- --- --- 16 GND --- --- ---
--- -------- -------- --------- -------- ---- -------- -------- --------- -------
NOTES:
- The SD slot shares the pin with LED "L" so LED support must be disabled to
use the MMC/SD card on the ITEAD shield.
- Either PA28 or PC29 may drive D10
Touch Controller Interface:
----------- ------------------ -------- ------------- ------------------ -------
XPT2046 ARDUINO CONNECTORS AT91SAM XPT2046 ARDUINO CONNECTORS AT91SAM
PIN SIGNAL PIN SIGNAL GPIO PIN SIGNAL PIN SIGNAL GPIO
--- ------- -------- --------- -------- ---- -------- -------- --------- -------
1 VCC --- --- --- 2 X+ --- --- ---
3 Y+ --- --- --- 4 X- --- --- ---
5 Y- --- --- --- 6 GND --- --- ---
7 IN3 N/C --- --- 8 IN4 N/C --- ---
9 VREF --- --- --- 10 VCC --- --- ---
11 IRQ J2 pin 2 D9 PC21 12 DOUT J2 pin 1 D8 PC22
13 BUSY N/C --- --- 14 DIN J1 pin 1 D14 PA16
15 /CS --- --- --- 16 DCLK J1 pin 2 D15 PA24
--- ------- -------- --------- -------- ---- -------- -------- --------- -------
NOTES:
- /CS is connected to ground (XPT2046 is always selected)
Development Environment
^^^^^^^^^^^^^^^^^^^^^^^

1
configs/arduino-due/include/board.h
View File

@ -195,7 +195,6 @@
/* Button definitions ***************************************************************/
/* There are no buttons on the Arduino Due board. */
/************************************************************************************
* Public Data
************************************************************************************/

138
configs/arduino-due/src/arduino-due.h
View File

@ -113,50 +113,51 @@
* The Arduino 2.4" TFT Touch shield uses the S6D1121 controller , it
* supports 8-bit data interface. The touch IC is TSC2046.
*
* ---------- --------------------------- ----------- ----- ---------- ------------------
* Arduino ATSAM3X Due ITHEAD
* Due PIN GPIO FUNCTION SIGNAL PIN SIGNAL NOTES
* ---------- ---- ---------------------- ----------- ----- ---------- ------------------
* ---------- --------------------------- ----------- --------------------------- ------------------
* Arduino ATSAM3X Due ITHEAD
* Due PIN GPIO FUNCTION SIGNAL PIN SIGNAL NOTES
* ---------- ---- ---------------------- ----------- ---------------- ---------- ------------------
* PWMH
* 10 SCL1 PA18 TWCK0/A20/WKUP9 SCL1 --- --- SCL not available
* 9 SDA1 PA17 TWD0SPCK0 SDA1 --- --- SDA not available
* 8 Aref --- --- AREF Vref --- ---
* 7 GND --- --- GND GND --- ---
* 6 PWM13 PB27 SPI0_SPCK/A20/WKUP10 PWM13 D13 SD_SCK SCK, also LED "L", Pulled low on-board
* 5 PWM12 PD8 A21/NANDALE/TIOB8 PWM12 D12 SD_MISO MISO not available
* 4 PWM11 PD7 A17/BA1/TIOA8 PWM11 D11 SD_MOSI MOSI not available, Pulled low on-board
* 3 PWM10 ??? ??? SS0/PWM10 D10 SD_CS Pulled low on-board
* 2 PWM9 PC21 A0/NBS0/PWML4 PWM9 D9 Touch_Dout ---
* 1 PWM8 PC22 A1/PWML5 PWM8 D8 Touch_IRQ ---
* 10 SCL1 PA18 TWCK0/A20/WKUP9 SCL1 --- --- --- SCL not available
* 9 SDA1 PA17 TWD0SPCK0 SDA1 --- --- --- SDA not available
* 8 Aref --- --- AREF J2 pin 8 Vref N/C ---
* 7 GND --- --- GND J2 pin 7 GND --- ---
* 6 PWM13 PB27 SPI0_SPCK/A20/WKUP10 PWM13 J2 pin 6 D13 SD_SCK SCK, also LED "L", Pulled low
* 5 PWM12 PD8 A21/NANDALE/TIOB8 PWM12 J2 pin 5 D12 SD_MISO MISO not available
* 4 PWM11 PD7 A17/BA1/TIOA8 PWM11 J2 pin 4 D11 SD_MOSI MOSI not available, Pulled low
* 3 PWM10 PA28 SPI0_NPCS0/PCK2/WKUP11 SS0/PWM10 J2 pin 3 D10 SD_CS Pulled low on-board
* 2 PWM9 PC21 A0/NBS0/PWML4 PWM9 J2 pin 2 D9 Touch_Dout ---
* 1 PWM8 PC22 A1/PWML5 PWM8 J2 pin 1 D8 Touch_IRQ ---
*
* PWML
* 8 PWM7 PC23 A2/PWML6 PWM7 D7 DB15 ---
* 7 PWM6 PC24 A3/PWML7 PWM6 D6 DB14 ---
* 6 PWM5 PC25 A4/TIOA6 PWM5 D5 DB13 ---
* 5 PWM4 PC26 A5/TIOB6 SS1/PWM4 D4 DB12 ---
* 4 PWM3 PC28 A7/TIOA7 PWM3 D3 DB11 ---
* 3 PWM2 PB25 RTS0/TIOA0 PWM2 D2 DB10 ---
* 2 PWM1 PA9 UTXD/PWMH3 TX D1 DB9 UART0 TX
* 1 PWM0 PA8 URXD/PWMH0/WKUP4 RX D0 DB8 UART0 RX
* ---------- ---- ---------------------- ----------- ----- ---------- ------------------
* 8 PWM7 PC23 A2/PWML6 PWM7 J3 pin 8 D7 DB15 ---
* 7 PWM6 PC24 A3/PWML7 PWM6 J3 pin 7 D6 DB14 ---
* 6 PWM5 PC25 A4/TIOA6 PWM5 J3 pin 6 D5 DB13 ---
* 5 PWM4 PC26 A5/TIOB6 SS1/PWM4 J3 pin 5 D4 DB12 ---
* 4 PWM3 PC28 A7/TIOA7 PWM3 J3 pin 4 D3 DB11 ---
* 3 PWM2 PB25 RTS0/TIOA0 PWM2 J3 pin 3 D2 DB10 ---
* 2 PWM1 PA9 UTXD/PWMH3 TX J3 pin 2 D1 DB9 UART0 TX
* 1 PWM0 PA8 URXD/PWMH0/WKUP4 RX J3 pin 1 D0 DB8 UART0 RX
* ---------- ---- ---------------------- ----------- ---------------- ---------- ------------------
* POWER
* 1 --- --- --- --- --- --- ---
* 2 IOref --- --- IOREF +3V3 --- --- ---
* 3 RESET --- --- MASTER_RESET RST --- ---
* 4 3.3V --- --- +3V3 5V --- ---
* 5 5V --- --- +5V 3.3V --- ---
* 6 GND --- --- GND GND --- ---
* 7 GND --- --- GND GND --- ---
* 8 Vin --- --- VIN Vin --- ---
* 1 --- --- --- --- --- --- --- ---
* 2 IOref --- --- IOREF +3V3 --- --- --- ---
* 3 RESET --- --- MASTER_RESET J4 pin 1 RST --- ---
* 5 5V --- --- +5V J4 pin 2 3.3V --- ---
* 4 3.3V --- --- +3V3 J4 pin 3 5V --- ---
* 6 GND --- --- GND J4 pin 4 GND --- ---
* 7 GND --- --- GND J4 pin 5 GND --- ---
* 8 Vin --- --- VIN J4 pin 6 Vin --- ---
* ADCL
* 1 A0 PA16 SPCK1/TD/AD7 AD0 A0 Touch_Din ---
* 2 A1 PA24 MCDA3/PCK1/AD6 AD1 A1 Touch_CLK ---
* 3 A2 PA23 MCDA2/TCLK4/AD5 AD2 A2 --- ---
* 4 A3 PA22 MCDA1/TCLK3/AD4 AD3 A3 TFT_CS ---
* 5 A4 PA6 TIOB2/NCS0/AD3 AD4 A4 TFT_WR ---
* 6 A5 PA4 TCLK1/NWAIT/AD2 AD5 A5 TFT_RS ---
* 7 A6 PA3 TIOB1/PWMFI1/AD1/WKUP1 AD6 --- --- ---
* 8 A7 PA2 TIOA1/NANDRDY/AD0 AD7 --- --- ---
* ---------- ---- ---------------------- ----------- ----- ---------- ------------------
* 1 A0 PA16 SPCK1/TD/AD7 AD0 J1 pin 1 A0/D14 Touch_Din ---
* 2 A1 PA24 MCDA3/PCK1/AD6 AD1 J1 pin 1 A1/D15 Touch_CLK ---
* 3 A2 PA23 MCDA2/TCLK4/AD5 AD2 J1 pin 1 A2/D16 --- ---
* 4 A3 PA22 MCDA1/TCLK3/AD4 AD3 J1 pin 1 A3/D17 TFT_CS ---
* 5 A4 PA6 TIOB2/NCS0/AD3 AD4 J1 pin 1 A4/D18 TFT_WR ---
* 6 A5 PA4 TCLK1/NWAIT/AD2 AD5 J1 pin 1 A5/D19 TFT_RS ---
* 7 A6 PA3 TIOB1/PWMFI1/AD1/WKUP1 AD6 --- --- --- ---
* 8 A7 PA2 TIOA1/NANDRDY/AD0 AD7 --- --- --- ---
* ---------- ---- ---------------------- ----------- ---------------- ---------- ------------------
*
* NOTES:
*
@ -165,7 +166,8 @@
* and the SD card.
* 2. UART0 cannot be used. USARTs on the COMM connector should be available.
* 3. Parallel data is not contiguous in the PIO register
* 4. 3.3V and 5V are reversed.
* 4. Touchcontroller /CS pin is connected to ground (always selected).
* 5. Either PA28 or PC29 may drive PWM10
*/
#ifdef CONFIG_ARDUINO_ITHEAD_TFT
@ -175,9 +177,27 @@
# if defined(CONFIG_SPI_BITBANG) && defined(CONFIG_MMCSD_SPI)
/* The SD slot shares the pin with LED "L" so LED support must be disabled
* to use the MMC/SD card on the ITEAD shield.
*/
/* SD Interface:
*
* ------------ ------------------ ------- ------------- ------------------ -------
* SD CONNECTOR ARDUINO CONNECTORS AT91SAM SD CONNECTOR ARDUINO CONNECTORS AT91SAM
* PIN SIGNAL PIN SIGNAL GPIO PIN SIGNAL PIN SIGNAL GPIO
* --- -------- -------- --------- -------- ---- -------- -------- --------- -------
* 1 /CS J2 pin 3 D10 PA28 2 DI J2 pin 4 D11 PD7
* 3 GND --- --- --- 4 VCC --- --- ---
* 5 CLK J2 pin 6 D13 PB27 6 GND --- --- ---
* 7 DO J2 pin 5 D12 PD8 8 IRQ N/C --- ---
* 9 N/C --- --- --- 10 SW N/C --- ---
* 11 WP N/C --- --- 12 CD N/C --- ---
* 13 CD N/C --- --- 14 GND --- --- ---
* 15 GND --- --- --- 16 GND --- --- ---
* --- -------- -------- --------- -------- ---- -------- -------- --------- -------
*
* NOTES:
* - The SD slot shares the pin with LED "L" so LED support must be disabled
* to use the MMC/SD card on the ITEAD shield.
* - Either PA28 or PC29 may drive D10
*/
# ifdef CONFIG_ARCH_LEDs
# error LEDs may not be used with the ITEAD SD card
@ -189,8 +209,9 @@
GPIO_PORT_PIOD | GPIO_PIN8)
# define GPIO_SD_MOSI (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_CLEAR | \
GPIO_PORT_PIOD | GPIO_PIN7)
# define GPIO_SD_CS (GPIO_OUTPUT | GPIO_CFG_PULLUP | GPIO_OUTPUT_CLEAR | \
GPIO_PORT_PIO? | GPIO_PIN?)
GPIO_PORT_PIOA | GPIO_PIN28)
# endif
/* In order to use the touchscreen on the ITEAD shield, you must enable the
@ -198,16 +219,35 @@
*/
# if defined(CONFIG_SPI_BITBANG) && defined(CONFIG_INPUT_ADS7843E)
/* Touch Controller Interface:
*
* ----------- ------------------ -------- ------------- ------------------ -------
* XPT2046 ARDUINO CONNECTORS AT91SAM XPT2046 ARDUINO CONNECTORS AT91SAM
* PIN SIGNAL PIN SIGNAL GPIO PIN SIGNAL PIN SIGNAL GPIO
* --- ------- -------- --------- -------- ---- -------- -------- --------- -------
* 1 VCC --- --- --- 2 X+ --- --- ---
* 3 Y+ --- --- --- 4 X- --- --- ---
* 5 Y- --- --- --- 6 GND --- --- ---
* 7 IN3 N/C --- --- 8 IN4 N/C --- ---
* 9 VREF --- --- --- 10 VCC --- --- ---
* 11 IRQ J2 pin 2 D9 PC21 12 DOUT J2 pin 1 D8 PC22
* 13 BUSY N/C --- --- 14 DIN J1 pin 1 D14 PA16
* 15 /CS --- --- --- 16 DCLK J1 pin 2 D15 PA24
* --- ------- -------- --------- -------- ---- -------- -------- --------- -------
*
* NOTE: /CS is connected to ground (XPT2046 is always selected)
*/
# define GPIO_TSC_SCK (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_CLEAR | \
GPIO_PORT_PIOA | GPIO_PIN24)
# define GPIO_TSC_MISO (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_CLEAR | \
GPIO_PORT_PIOC | GPIO_PIN21)
GPIO_PORT_PIOC | GPIO_PIN22)
# define GPIO_TSC_MOSI (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_CLEAR | \
GPIO_PORT_PIOA | GPIO_PIN16)
# define GPIO_TSC_CS (GPIO_OUTPUT | GPIO_CFG_PULLUP | GPIO_OUTPUT_CLEAR | \
GPIO_PORT_PIO? | GPIO_PIN?)
# define GPIO_TSC_IRQ (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_INT_BOTHEDGES | \
GPIO_PORT_PIOC | GPIO_PIN22)
GPIO_PORT_PIOC | GPIO_PIN21)
# define SAM_TCS_IRQ SAM_IRQ_PC21
# endif

17
configs/arduino-due/src/sam_mmcsd.c
View File

@ -76,6 +76,8 @@
#define SPI_SETMOSI putreg32(1 << 7, SAM_PIOD_SODR)
#define SPI_CLRMOSI putreg32(1 << 7, SAM_PIOD_CODR)
#define SPI_GETMISO ((getreg32(SAM_PIOD_PDSR) >> 8) & 1)
#define SPI_SETCS putreg32(1 << 28, SAM_PIOA_SODR)
#define SPI_CLRCS putreg32(1 << 28, SAM_PIOA_CODR)
/* Only mode 0 */
@ -143,7 +145,17 @@ static int spi_cmddata(FAR struct spi_bitbang_s *priv, enum spi_dev_e devid,
static void spi_select(FAR struct spi_bitbang_s *priv, enum spi_dev_e devid,
bool selected)
{
# warning Still need CS GPIO pin
if (devid == SPIDEV_MMCSD)
{
if (selected)
{
SPI_CLRCS;
}
else
{
SPI_SETCS;
}
}
}
/****************************************************************************
@ -216,8 +228,7 @@ static FAR struct spi_dev_s *sam_mmcsd_spiinitialize(void)
sam_configgpio(GPIO_SD_SCK);
sam_configgpio(GPIO_SD_MISO);
sam_configgpio(GPIO_SD_MOSI);
// sam_configgpio(GPIO_SD_CS);
# warning Still need CS GPIO pin
sam_configgpio(GPIO_SD_CS);
/* Create the SPI driver instance */

24
configs/arduino-due/src/sam_touchscreen.c
View File

@ -92,8 +92,6 @@
#define SPI_SETMOSI putreg32(1 << 16, SAM_PIOA_SODR)
#define SPI_CLRMOSI putreg32(1 << 16, SAM_PIOA_CODR)
#define SPI_GETMISO ((getreg32(SAM_PIOC_PDSR) >> 21) & 1)
#define SPI_SETCS putreg32(1 << ?, SAM_PIO?_SODR)
#define SPI_CLRCS putreg32(1 << ?, SAM_PIO?_CODR)
/* Only mode 0 */
@ -131,12 +129,12 @@ static int spi_cmddata(FAR struct spi_bitbang_s *priv, enum spi_dev_e devid,
#endif
/* IRQ/GPIO access callbacks. These operations all hidden behind
* callbacks to isolate the ADS7843E driver from differences in GPIO
* callbacks to isolate the XPT2046 driver from differences in GPIO
* interrupt handling by varying boards and MCUs. If possible,
* interrupts should be configured on both rising and falling edges
* so that contact and loss-of-contact events can be detected.
*
* attach - Attach the ADS7843E interrupt handler to the GPIO interrupt
* attach - Attach the XPT2046 interrupt handler to the GPIO interrupt
* enable - Enable or disable the GPIO interrupt
* clear - Acknowledge/clear any pending GPIO interrupt
* pendown - Return the state of the pen down GPIO input
@ -152,9 +150,9 @@ static bool tsc_pendown(FAR struct ads7843e_config_s *state);
* Private Data
****************************************************************************/
/* A reference to a structure of this type must be passed to the ADS7843E
/* A reference to a structure of this type must be passed to the XPT2046
* driver. This structure provides information about the configuration
* of the ADS7843E and provides some board-specific hooks.
* of the XPT2046 and provides some board-specific hooks.
*
* Memory for this structure is provided by the caller. It is not copied
* by the driver and is presumed to persist while the driver is active. The
@ -201,7 +199,7 @@ static struct ads7843e_config_s g_tscinfo =
static void spi_select(FAR struct spi_bitbang_s *priv, enum spi_dev_e devid,
bool selected)
{
# warning Still need CS GPIO pin
/* The touchscreen controller is always selected */
}
/****************************************************************************
@ -250,12 +248,12 @@ static int spi_cmddata(FAR struct spi_bitbang_s *priv, enum spi_dev_e devid,
/****************************************************************************
* IRQ/GPIO access callbacks. These operations all hidden behind
* callbacks to isolate the ADS7843E driver from differences in GPIO
* callbacks to isolate the XPT2046 driver from differences in GPIO
* interrupt handling by varying boards and MCUs. If possible,
* interrupts should be configured on both rising and falling edges
* so that contact and loss-of-contact events can be detected.
*
* attach - Attach the ADS7843E interrupt handler to the GPIO interrupt
* attach - Attach the XPT2046 interrupt handler to the GPIO interrupt
* enable - Enable or disable the GPIO interrupt
* clear - Acknowledge/clear any pending GPIO interrupt
* pendown - Return the state of the pen down GPIO input
@ -264,7 +262,7 @@ static int spi_cmddata(FAR struct spi_bitbang_s *priv, enum spi_dev_e devid,
static int tsc_attach(FAR struct ads7843e_config_s *state, xcpt_t isr)
{
/* Attach the ADS7843E interrupt */
/* Attach the XPT2046 interrupt */
ivdbg("Attaching %p to IRQ %d\n", isr, SAM_TCS_IRQ);
return irq_attach(SAM_TCS_IRQ, isr);
@ -342,7 +340,6 @@ static FAR struct spi_dev_s *sam_tsc_spiinitialize(void)
sam_configgpio(GPIO_TSC_SCK);
sam_configgpio(GPIO_TSC_MISO);
sam_configgpio(GPIO_TSC_MOSI);
sam_configgpio(GPIO_TSC_CS);
/* Create the SPI driver instance */
@ -379,10 +376,9 @@ int arch_tcinitialize(int minor)
idbg("minor %d\n", minor);
DEBUGASSERT(minor == 0);
/* Configure and enable the ADS7843E interrupt pin as an input */
/* Configure and enable the XPT2046 interrupt pin as an input */
(void)sam_configgpio(GPIO_TSC_IRQ);
(void)sam_configgpio(GPIO_TCS_IRQ);
/* Configure the PIO interrupt */
@ -428,7 +424,7 @@ int arch_tcinitialize(int minor)
void arch_tcuninitialize(void)
{
/* No support for un-initializing the touchscreen ADS7843E device yet */
/* No support for un-initializing the touchscreen XPT2046 device yet */
}
#endif /* CONFIG_ARDUINO_ITHEAD_TFT && CONFIG_SPI_BITBANG && CONFIG_INPUT_ADS7843E */