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Update SAMA5D4-EK PIO usage

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This commit is contained in:
Gregory Nutt 2014-06-07 09:37:17 -06:00
parent ad1701d0f9
commit 24af2deb30
9 changed files with 550 additions and 387 deletions
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1
configs/sama5d3-xplained/include/board.h
View File

@ -160,6 +160,7 @@
* - PE29. Pressing the switch connect PE29 to ground. Therefore, PE29
* must be pulled high internally. When the button is pressed the SAMA5
* will sense "0" is on PE29.
*/
#define BUTTON_USER 0
#define NUM_BUTTONS 1

22
configs/sama5d3-xplained/src/sam_buttons.c
View File

@ -91,32 +91,32 @@ static xcpt_t g_irquser1;
* Name: board_button_initialize
*
* Description:
* board_button_initialize() must be called to initialize button resources. After
* that, board_buttons() may be called to collect the current state of all
* buttons or board_button_irq() may be called to register button interrupt
* handlers.
* board_button_initialize() must be called to initialize button resources.
* After that, board_buttons() may be called to collect the current state
* of all buttons or board_button_irq() may be called to register button
* interrupt handlers.
*
****************************************************************************/
void board_button_initialize(void)
{
(void)sam_configpio(PIO_USER1);
(void)sam_configpio(PIO_USER);
}
/****************************************************************************
* Name: board_buttons
*
* Description:
* After board_button_initialize() has been called, board_buttons() may be called to
* collect the state of all buttons. board_buttons() returns an 8-bit bit set
* with each bit associated with a button. See the BUTTON* definitions
* above for the meaning of each bit in the returned value.
* After board_button_initialize() has been called, board_buttons() may be
* called to collect the state of all buttons. board_buttons() returns an
* 8-bit bit set with each bit associated with a button. See the BUTTON*
* definitions above for the meaning of each bit in the returned value.
*
****************************************************************************/
uint8_t board_buttons(void)
{
return sam_pioread(PIO_USER1) ? 0 : BUTTON_USER1_BIT;
return sam_pioread(PIO_USER) ? 0 : BUTTON_USER_BIT;
}
/****************************************************************************
@ -140,7 +140,7 @@ xcpt_t board_button_irq(int id, xcpt_t irqhandler)
{
xcpt_t oldhandler = NULL;
if (id == BUTTON_USER1)
if (id == BUTTON_USER)
{
irqstate_t flags;

448
configs/sama5d4-ek/README.txt
View File

@ -5,6 +5,7 @@ README
development board. This board features the Atmel SAMA5D44 microprocessor.
See http://www.atmel.com for further information.
---------------------------- -------------
PARAMETER SAMA5D44
---------------------------- -------------
CPU Cortex-A5
@ -49,6 +50,7 @@ README
PWM Channels 4
32kHz RTC Yes
Package BGA361
---------------------------- -------------
Contents
========
@ -61,6 +63,7 @@ Contents
- Loading Code into SRAM with J-Link
- Writing to FLASH using SAM-BA
- Running NuttX from SDRAM
- PIO Usage
- Buttons and LEDs
- Serial Console
- Networking
@ -640,43 +643,208 @@ Load NuttX with U-Boot on AT91 boards
STATUS:
2014-3-30: These instructions were adapted from the Linux4SAM website
but have not yet been used.
PIO Usage
=========
Rev. B. 0111A
------------------------------ ------------------- -------------------------
SAMA5D4 PIO SIGNAL USAGE
------------------------------ ------------------- -------------------------
PA0/LCDDAT0/TMS PA0 LCDDAT0, TMS
PA1/LCDDAT1 PA1 LCDDAT1
PA2/LCDDAT2/G1_TXCK PA LCDDAT2, G1_TXCK
PA3/LCDDAT3/G1_RXCK PA3 LCDDAT3
PA4/LCDDAT4/G1_TXEN PA4 LCDDAT4, G1_TXEN
PA5/LCDDAT5/G1_TXER PA5 LCDDAT5
PA6/LCDDAT6/G1_CRS PA6 LCDDAT6
PA7/LCDDAT7 PA7 LCDDAT7
PA8/LCDDAT8/TCK PA8 LCDDAT8, TCK
PA9/LCDDAT9/G1_COL PA9 LCDDAT9
PA10/LCDDAT10/G1_RXDV PA10 LCDDAT10, G1_RXDV
PA11/LCDDAT11/G1_RXER PA11 LCDDAT11, G1_RXER
PA12/LCDDAT12/G1_RX0 PA12 LCDDAT12, G1_RX0
PA13/LCDDAT13/G1_RX1 PA13 LCDDAT13, G1_RX1
PA14/LCDDAT14/G1_TX0 PA14 LCDDAT14, G1_TX0
PA15/LCDDAT15/G1_TX1 PA15 LCDDAT15, G1_TX1
PA16/LCDDAT16/NTRST PA16 LCDDAT16, NTRST
PA17/LCDDAT17 PA17 LCDDAT17
PA18/LCDDAT18/G1_RX2 PA18 LCDDAT18
PA19/LCDDAT19/G1_RX3 PA19 LCDDAT19
PA20/LCDDAT20/G1_TX2 PA20 LCDDAT20
PA21/LCDDAT21/G1_TX3 PA21 LCDDAT21
PA22/LCDDAT22/G1_MDC PA22 LCDDAT22, G1_MDC
PA23/LCDDAT23/G1_MDIO PA23 LCDDAT23, G1_MDIO
PA24/LCDPWM/PCK0 PA24 LCDPWM, EXP
PA25/LCDDISP/TD0 PA25 LCDDISP, EXP
PA26/LCDVSYNC/PWMH0/SPI1_NPCS1 PA26 LCDVSYNC
PA27/LCDHSYNC/PWML0/SPI1_NPCS2 PA27 LCDHSYNC
PA28/LCDPCK/PWMH1/SPI1_NPCS3 PA28 LCDPCK
PA29/LCDDEN/PWML1 PA29 LCDDEN
PA30/TWD0 PA30 TWD0
PA31/TWCK0 PA31 TWCK0
------------------------------ ------------------- -------------------------
PB0/G0_TXCK PB0 G0_TXCK, EXP
PB1/G0_RXCK/SCK2/ISI_PCK ISI_PCK_PB1 ISI_PCK
PB2/G0_TXEN PB2 G0_TXEN,EXP
PB3/G0_TXER/CTS2/ISI_VSYNC ISI_VSYNC_PB3 ISI_VSYNC
PB4/G0_CRS/RXD2/ISI_HSYNC ISI_HSYNC_PB4 ISI_HSYNC
PB5/G0_COL/TXD2/PCK2 ISI_PWD_PB5 ISI_PWD
PB6/G0_RXDV PB6 G0_RXDV, EXP
PB7/G0_RXER PB7 G0_RXER, EXP
PB8/G0_RX0 PB8 G0_RX0, EXP
PB9/G0_RX1 PB9 G0_RX1, EXP
PB10/G0_RX2/PCK2/PWML1 PB10 AUDIO_PCK2, EXP
PB11/G0_RX3/RTS2/PWMH1 ISI_RST_PB11 ISI_RST
PB12/G0_TX0 PB12 G0_TX0, EXP
PB13/G0_TX1 PB13 G0_TX1, EXP
PB14/G0_TX2/SPI2_NPCS1/PWMH0 ZIG_SPI2_NPCS1 ZIG_SPI2_NPCS1
PB15/G0_TX3/SPI2_NPCS2/PWML0 HDMI_RST_PB15 HDMI_RST
PB16/G0_MDC PB16 G0_MDC, EXP
PB17/G0_MDIO PB17 G0_MDIO, EXP
PB18/SPI1_MISO/D8 LCD_SPI1_SO LCD_SPI1_SO
PB19/SPI1_MOSI/D9 LCD_SPI1_SI LCD_SPI1_SI
PB20/SPI1_SPCK/D10 LCD_SPI1_CLK LCD_SPI1_CLK
PB21/SPI1_NPCS0/D11 EXP_PB21 EXP
PB22/SPI1_NPCS1/D12 EXP_PB22 EXP
PB23/SPI1_NPCS2/D13 LCD_SPI1_CS2 LCD_SPI1_NPCS2
PB24/DRXD/D14/TDI PB24 TDI, EXP
PB25/DTXD/D15/TDO PB25 TDO, EXP
PB26/PCK0/RK0/PWMH0 PB26 AUDIO_RK0
PB27/SPI1_NPCS3/TK0/PWML0 PB27 AUDIO, HDMI_TK0, EXP
PB28/SPI2_NPCS3/TD0/PWMH1 PB28 AUDIO, HDMI_TD0, EXP
PB29/TWD2/RD0/PWML1 PB29 AUDIO_RD0, ZIG_TWD2
PB30/TWCK2/RF0 PB30 AUDIO_RF, ZIG_TWCK2
PB31/TF0 PB31 AUDIO, HDMI_TF0, EXP
------------------------------ ------------------- -------------------------
PC0/SPI0_MISO/PWMH2/ISI_D8 PC0 AT25_SPI0_SO, ISI_D8
PC1/SPI0_MOSI/PWML2/ISI_D9 PC1 AT25_SPI0_SI, ISI_D9
PC2/SPI0_SPCK/PWMH3/ISI_D10 PC2 AT25_SPI0_SPCK, ISI_D10,
ZIG_PWMH3_PC2
PC3/SPI0_NPCS0/PWML3/ISI_D11 PC3 AT25_SPI0_NCPS0, ISI_D11,
ZIG_PWML3_PC3 (See JP6)
PC4/SPI0_NPCS1/MCI0_CK/PCK1 PC4 MCI0_CK, ISI_MCK, EXP
PC5/D0/MCI0_CDA PC5 MCI0_CDA, NAND_IO0
PC6/D1/MCI0_DA0 PC6 MCI0_DA0, NAND_IO1
PC7/D2/MCI0_DA1 PC7 MCI0_DA1, NAND_IO2
PC8/D3/MCI0_DA2 PC8 MCI0_DA2, NAND_IO3
PC9/D4/MCI0_DA3 PC9 MCI0_DA3, NAND_IO4
PC10/D5/MCI0_DA4 PC10 MCI0_DA4, NAND_IO5
PC11/D6/MCI0_DA5 PC11 MCI0_DA5, NAND_IO6
PC12/D7/MCI0_DA6 PC12 MCI0_DA6, NAND_IO7
PC13/NRD/NANDOE/MCI0_DA7 PC13 MCI0_DA7, NAND_RE
PC14/NWE/NANDWE NAND_WEn NWE, NANDWE
PC15/NCS3 NAND_NCS3 NAND_NCS3
PC16/NANDRDY NAND_RDY NANDRDY
PC17/A21/NANDALE NAND_ALE NAND_ALE
PC18/A22/NANDCLE NAND_CLE NAND_CLE
PC19/ISI_D0/TK1 PC19 ISI_D0
PC20/ISI_D1/TF1 PC20 ISI_D1
PC21/ISI_D2/TD1 PC21 ISI_D2
PC22/ISI_D3/RF1 PC22 ISI_D3
PC23/ISI_D4/RD1 PC23 ISI_D4
PC24/ISI_D5/RK1/PCK1 PC24 ISI_D5
PC25/ISI_D6/TWD3/URXD1 PC25 AUDIO_TWD3, ISI_D6
PC26/ISI_D7/TWCK3/UTXD1 PC26 AUDIO_TWCK3, ISI_D7
PC27/AD0/SPI0_NPCS1/PWML0 AD0_XP AD0_XP
PC28/AD1/SPI0_NPCS2/PWML1 AD1_XM AD1_XM
PC29/AD2/SPI0_NPCS3/PWMFI0 AD2_YP AD2_YP
PC30/AD3/PWMH0 AD3_YM AD3_YM
PC31/AD4/PWMH1 AD4_LR AD4_LR, ADC_INPUT
------------------------------ ------------------- -------------------------
PD8/PCK0 PD8 EXP_PCK0
PD9/FIQ USB_OVCUR_PD9 USB_OVCUR_PD9
PD10/CTS0/CDETA ZIG_CTS0_PD10 ZIG_CTS0
PD11/RTS0/SPI2_MISO ZIG_SPI2_MISO_RTS0 ZIG_SPI2_MISO_RTS0
PD12/RXD0/DCENA ZIG_RXD0_PD12 ZIG_RXD0
PD13/TXD0/SPI2_MOSI ZIG_SPI2_MOSI_TXD0 ZIG_SPI2_MOSI_TXD0
PD14/CTS1/CDETB ZIG_CTS1_PD14 ZIG_CTS1
PD15/RTS1/SPI2_SPCK ZIG_SPI2_SPCK_RTS1 ZIG_SPI2_SPCK_RTS
PD16/RXD1/DCENB ZIG_RXD1_PD16 ZIG_RXD1_PD16
PD17/TXD1/SPI2_NPCS0 ZIG_SPI2_NPCS0_TXD1 ZIG_SPI2_NPCS0_TXD
PD18/SENSE0 SENSE0_PD18 SENSE0
PD19/SENSE1 SENSE1_PD19 SENSE1
PD20/SENSE2 SENSE2_PD20 SENSE2
PD21/SENSE3 SENSE3_PD21 SENSE3
PD22/SENSE4 SENSE4_PD22 SENSE4
PD23/SENSE5 N/C N/C
PD24/SENSE6 N/C N/C
PD25/SENSE7 N/C N/C
PD26/SENSE8 N/C N/C
PD27/SENSE9 N/C N/C
PD28/SCK0 N/C PD28
PD29/SCK1 SENSE_DISCH_PD29 SENSE_DISCH
PD30 EXP_PD30 EXP
PD31/SPI0_NPCS2/PCK1 EXP_PD31 EXP
------------------------------ ------------------- -------------------------
PE0/A0/NBS0/MCI0_CDB/CTS4 PMIC_IRQ_PE0 PMIC_IRQ
PE1/A1/MCI0_DB0 G0_IRQ_PE1 G0_IRQ
PE2/A2/MCI0_DB1 G1_IRQ_PE2 G1_IRQ
PE3/A3/MCI0_DB2 HDMI_IRQ_PE3 HDMI_IRQ
PE4/A4/MCI0_DB3 AUDIO_IRQ_PE4 AUDIO_IRQ
PE5/A5/CTS3 MCI0_CD_PE5 MCI0_CD
PE6/A6/TIOA3 MCI1_CD_PE6 MCI1_CD
PE7/A7/TIOB3/PWMFI1 MCI1_CD_PE6 EXP
PE8/A8/TCLK3/PWML3 LED_USER_PE8 LED_USER (D10)
PE9/A9/TIOA2 LED_POWER_PE9 LED_POWER (D9, Red)
PE10/A10/TIOB2 USBA_EN5V_PE10 EN5V_USBA
PE11/A11/TCLK2 USBB_EN5V_PE11 EN5V_USBB
PE12/A12/TIOA1/PWMH2 USBC_EN5V_PE12 EN5V_USBC
PE13/A13/TIOB1/PWML2 PB_USER1_PE13 PB_USER1
PE14/A14/TCLK1/PWMH3 MCI1_CD_PE14 MCI1_CD
PE15/A15/SCK3/TIOA0 MCI1_PWR_PE15 MCI1_PWR
PE16/A16/RXD3/TIOB0 DBGU_RXD3_PE16 DBGU_RXD3 (See JP19)
PE17/A17/TXD3/TCLK0 DBGU_TXD3_PE17 DBGU_TXD3 (See JP20)
PE18/A18/TIOA5/MCI1_CK PE18 MCI1_CK, EXP
PE19/A19/TIOB5/MCI1_CDA PE19 MCI1_CDA, EXP
PE20/A20/TCLK5/MCI1_DA0 PE20 MCI1_DA0, EXP
PE21/A23/TIOA4/MCI1_DA1 PE21 MCI1_DA1, EXP
PE22/A24/TIOB4/MCI1_DA2 PE22 MCI1_DA2, EXP
PE23/A25/TCLK4/MCI1_DA3 PE23 MCI1_DA3, EXP
PE24/NCS0/RTS3 LCD_PE24 LCD_PE24
PE25/NCS1/SCK4/IRQ LCD_PE25 LCD_PE25
PE26/NCS2/RXD4/A18 RXD4_PE26 RXD4
PE27/NWR1/NBS1/TXD4 TXD4_PE27 TXD4
PE28/NWAIT/RTS4/A19 1Wire_PE28 1-WIRE ROM, LCD, D8 (green)
PE29/DIBP/URXD0/TWD1 SMD_DIBP_PE29 DIBP
PE30/DIBN/UTXD0/TWCK1 SMD_DIBN_PE30 DIBP
PE31/ADTRG USBA_VBUS_PE31 USBA_VBUS_PE31
------------------------------ ------------------- -------------------------
Buttons and LEDs
================
Buttons
-------
A single button, PB_USER1 (PB2), is available on the SAMA5D4-EK:
The following push buttons switches are available:
------------------------------ ------------------- -------------------------
SAMA5D4 PIO SIGNAL USAGE
------------------------------ ------------------- -------------------------
PE13/A13/TIOB1/PWML2 PB_USER1_PE13 PB_USER1
------------------------------ ------------------- -------------------------
1. One board reset button (BP2). When pressed and released, this push
button causes a power-on reset of the whole board.
2. One wakeup pushbutton that brings the processor out of Low-power mode
(BP1)
3. One user pushbutton (BP3)
Only the user push button (BP3) is controllable by software:
- PE29. Pressing the switch connect PE29 to ground. Therefore, PE29
must be pulled high internally. When the button is pressed the SAMA5
will sense "0" is on PE29.
Closing JP2 will bring PE13 to ground so 1) PE13 should have a weak pull-up,
and 2) when PB2 is pressed, a low value will be senses.
LEDs
----
There are two LEDs on the SAMA5D4-EK that can be controlled by software.
A blue LED is controlled via PIO pins. A red LED normally provides an
indication that power is supplied to the board but can also be controlled
via software.
There are 3 LEDs on the SAMA5D4-EK:
PE23. This blue LED is pulled high and is illuminated by pulling PE23
low.
------------------------------ ------------------- -------------------------
SAMA5D4 PIO SIGNAL USAGE
------------------------------ ------------------- -------------------------
PE28/NWAIT/RTS4/A19 1Wire_PE28 1-WIRE ROM, LCD, D8 (green)
PE8/A8/TCLK3/PWML3 LED_USER_PE8 LED_USER (D10)
PE9/A9/TIOA2 LED_POWER_PE9 LED_POWER (D9, Red)
------------------------------ ------------------- -------------------------
PE24. The red LED is also pulled high but is driven by a transistor so
that it is illuminated when power is applied even if PE24 is not
configured as an output. If PE24 is configured as an output, then the
LED is illuminated by a high output.
- D8: D8 is shared with other functions and cannot be used if the 1-Wire ROM
is used. I am not sure of the LCD function, but the LED may not be available
if the LCD is used either. We will avoid using D8 just for simplicity.
- D10: Nothing special here. A low output illuminates.
- D9: The Power ON LED. Connects to the via an IRLML2502 MOSFET. This LED will
be on when power is applied but otherwise a low output value will turn it
off.
These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
defined. In that case, the usage by the board port is defined in
@ -684,71 +852,120 @@ Buttons and LEDs
events as follows:
SYMBOL Meaning LED state
Blue Red
USER D10 POWER D9
------------------- ----------------------- -------- --------
LED_STARTED NuttX has been started OFF OFF
LED_HEAPALLOCATE Heap has been allocated OFF OFF
LED_IRQSENABLED Interrupts enabled OFF OFF
LED_STACKCREATED Idle stack created ON OFF
LED_STARTED NuttX has been started OFF ON
LED_HEAPALLOCATE Heap has been allocated OFF ON
LED_IRQSENABLED Interrupts enabled OFF ON
LED_STACKCREATED Idle stack created ON ON
LED_INIRQ In an interrupt No change
LED_SIGNAL In a signal handler No change
LED_ASSERTION An assertion failed No change
LED_PANIC The system has crashed OFF Blinking
LED_IDLE MCU is is sleep mode Not used
Thus if the blue LED is statically on, NuttX has successfully booted and
is, apparently, running normally. If the red LED is flashing at
Thus if the D0 and D9 are statically on, NuttX has successfully booted and
is, apparently, running normally. If the red D9 LED is flashing at
approximately 2Hz, then a fatal error has been detected and the system
has halted.
Serial Console
==============
UARTS/USARTS
------------
Two UARTs are available:
CONN LABEL PIO UART/USART FUNCTION
----- ------- ----- ----------- ---------------
J18 SCL0 PC30 UART0 UTXD0
J18 SDA0 PC29 UART0 URXD0
J15 1 PA31 UART1 UTXD1
J15 0 PA30 UART1 URXD1
J20 TXD3 14 PC26 UART1 URXD1
J20 RXD3 15 PC27 UART1 UTXD1
J20 TXD1 16 PD18 USART0 TXD0
J20 RXD1 17 PD17 USART0 RXD0
J20 TXD0 18 PB29 USART1 TXD1
J20 RXD0 19 PB28 USART1 RXD1
J20 SDA 20 PE19 USART3 TXD3
J20 SCL 21 PE18 USART3 RXD3
USART3 Virtual Com
------------------------------ ------------------- -------------------------
SAMA5D4 PIO SIGNAL USAGE
------------------------------ ------------------- -------------------------
PE16/A16/RXD3/TIOB0 DBGU_RXD3_PE16 DBGU_RXD3 (See JP19)
PE17/A17/TXD3/TCLK0 DBGU_TXD3_PE17 DBGU_TXD3 (See JP20)
------------------------------ ------------------- -------------------------
DBGU Interface
--------------
Connects to the SAM3U which will, in turn, provide the serial output on a
virual COM port. JP19 and JP20 can disconnect USART3 from the SAM3U.
The SAMA5D4-EK board has a dedicated serial port for debugging which is
accessible through the 6-pin male header J23.
USART4 TTL-Level
------------------------------ ------------------- -------------------------
SAMA5D4 PIO SIGNAL USAGE
------------------------------ ------------------- -------------------------
PE26/NCS2/RXD4/A18 RXD4_PE26 RXD4
PE27/NWR1/NBS1/TXD4 TXD4_PE27 TXD4
------------------------------ ------------------- -------------------------
PIN PIO Usage
--- ---- -----------------------------------------
1 PE13 (available)
2 PB31 DBGU DTXD
3 PB30 DBGU DRXD
4 N/C (may be used by debug interface tool)
5 PE14 (available)
6 GND
A TTL-to-RS232 converter is required to use this USART for a serial console.
By default the DBUG is used as the NuttX serial console in all
configurations (unless otherwise noted). The DBGU is available at
logic levels at pins RXD and TXD of the DEBUG connector (J23). GND
is available at J23 and +3.3V is available from J14
- RXD4/PE26 is available at Expansion Interface, J19C pin 59
- TXD4/PE27 is available at Expansion Interface, J19C pin 60
- VCC_3V3 is also available at Expansion Interface, J19B pins 21 and 22
- GND is available J19A pin 11, J19B pin 31, and J19C pin 51
By default the DBGU/USART3 is used as the NuttX serial console in all
configurations (unless otherwise noted). USART4, however, is the more
convenient USART to use during board bring-up.
Networking
==========
Networking support via the can be added to NSH by selecting the following
configuration options. The SAMA5D44 supports two different Ethernet MAC
peripherals: (1) The 10/100Base-T EMAC peripheral and (2) the
10/100/1000Base-T GMAC peripheral.
configuration options. The SAMA5D44 supports two different 10/100Base-T
Ethernet MAC peripherals.
------------------------------ ------------------- -------------------------
SAMA5D4 PIO SIGNAL USAGE
------------------------------ ------------------- -------------------------
PB0/G0_TXCK PB0 G0_TXCK, EXP
PB1/G0_RXCK/SCK2/ISI_PCK ISI_PCK_PB1 ISI_PCK
PB2/G0_TXEN PB2 G0_TXEN,EXP
PB3/G0_TXER/CTS2/ISI_VSYNC ISI_VSYNC_PB3 ISI_VSYNC
PB4/G0_CRS/RXD2/ISI_HSYNC ISI_HSYNC_PB4 ISI_HSYNC
PB5/G0_COL/TXD2/PCK2 ISI_PWD_PB5 ISI_PWD
PB6/G0_RXDV PB6 G0_RXDV, EXP
PB7/G0_RXER PB7 G0_RXER, EXP
PB8/G0_RX0 PB8 G0_RX0, EXP
PB9/G0_RX1 PB9 G0_RX1, EXP
PB10/G0_RX2/PCK2/PWML1 PB10 AUDIO_PCK2, EXP
PB11/G0_RX3/RTS2/PWMH1 ISI_RST_PB11 ISI_RST
PB12/G0_TX0 PB12 G0_TX0, EXP
PB13/G0_TX1 PB13 G0_TX1, EXP
PB14/G0_TX2/SPI2_NPCS1/PWMH0 ZIG_SPI2_NPCS1 ZIG_SPI2_NPCS1
PB15/G0_TX3/SPI2_NPCS2/PWML0 HDMI_RST_PB15 HDMI_RST
PB16/G0_MDC PB16 G0_MDC, EXP
PB17/G0_MDIO PB17 G0_MDIO, EXP
PE1/A1/MCI0_DB0 G0_IRQ_PE1 G0_IRQ
------------------------------ ------------------- -------------------------
PA2/LCDDAT2/G1_TXCK PA LCDDAT2, G1_TXCK
PA3/LCDDAT3/G1_RXCK PA3 LCDDAT3
PA4/LCDDAT4/G1_TXEN PA4 LCDDAT4, G1_TXEN
PA5/LCDDAT5/G1_TXER PA5 LCDDAT5
PA6/LCDDAT6/G1_CRS PA6 LCDDAT6
PA9/LCDDAT9/G1_COL PA9 LCDDAT9
PA10/LCDDAT10/G1_RXDV PA10 LCDDAT10, G1_RXDV
PA11/LCDDAT11/G1_RXER PA11 LCDDAT11, G1_RXER
PA12/LCDDAT12/G1_RX0 PA12 LCDDAT12, G1_RX0
PA13/LCDDAT13/G1_RX1 PA13 LCDDAT13, G1_RX1
PA14/LCDDAT14/G1_TX0 PA14 LCDDAT14, G1_TX0
PA15/LCDDAT15/G1_TX1 PA15 LCDDAT15, G1_TX1
PA18/LCDDAT18/G1_RX2 PA18 LCDDAT18
PA19/LCDDAT19/G1_RX3 PA19 LCDDAT19
PA20/LCDDAT20/G1_TX2 PA20 LCDDAT20
PA21/LCDDAT21/G1_TX3 PA21 LCDDAT21
PA22/LCDDAT22/G1_MDC PA22 LCDDAT22, G1_MDC
PA23/LCDDAT23/G1_MDIO PA23 LCDDAT23, G1_MDIO
PE2/A2/MCI0_DB1 G1_IRQ_PE2 G1_IRQ
------------------------------ ------------------- -------------------------
EMAC2 connects (directly) to a KSZ8081RNB PHY (U10) and is available at
the ETH0 connector.
EMAC1 connects (indirectly) to another KSZ8081RNB PHY (U7) and is available
at the ETH1 connector. The ETH1 signals go through a line driver that is
enabled via LCD_ETH1_CONFIG when an LCD is detected:
- LCD_ETH1_CONFIG = 0: LCD 5v disable
- LCD_ETH1_CONFIG = 1 & LCD_DETECT# =0: LCD 5v enable
But where does LCD_ETH1_CONFIG come from?
Selecting the EMAC0 peripheral
-----------------------------
@ -759,11 +976,11 @@ Networking
System Type -> EMAC device driver options
CONFIG_SAMA5_EMAC0_NRXBUFFERS=16 : Set aside some RS and TX buffers
CONFIG_SAMA5_EMAC0_NTXBUFFERS=4
CONFIG_SAMA5_EMAC0_PHYADDR=1 : KSZ9031 PHY is at address 1
CONFIG_SAMA5_EMAC0_PHYADDR=1 : KSZ8081 PHY is at address 1
CONFIG_SAMA5_EMAC0_AUTONEG=y : Use autonegotiation
CONFIG_SAMA5_EMAC0_RMII=y : Either MII or RMII interface should work
CONFIG_SAMA5_EMAC0_PHYSR=30 : Address of PHY status register on KSZ9031
CONFIG_SAMA5_EMAC0_PHYSR_ALTCONFIG=y : Needed for KSZ9031
CONFIG_SAMA5_EMAC0_PHYSR=30 : Address of PHY status register on KSZ8081
CONFIG_SAMA5_EMAC0_PHYSR_ALTCONFIG=y : Needed for KSZ8081
CONFIG_SAMA5_EMAC0_PHYSR_ALTMODE=0x7 : " " " " " "
CONFIG_SAMA5_EMAC0_PHYSR_10HD=0x1 : " " " " " "
CONFIG_SAMA5_EMAC0_PHYSR_100HD=0x2 : " " " " " "
@ -771,23 +988,34 @@ Networking
CONFIG_SAMA5_EMAC0_PHYSR_100FD=0x6 : " " " " " "
PHY selection. Later in the configuration steps, you will need to select
the KSZ9031 PHY for EMAC (See below)
the KSZ8081 PHY for EMAC (See below)
Selecting the GMAC peripheral
Selecting the EMAC1 peripheral
-----------------------------
System Type -> SAMA5 Peripheral Support
CONFIG_SAMA5_GMAC=y : Enable the GMAC peripheral
CONFIG_SAMA5_EMAC0=y : Enable the EMAC peripheral
System Type -> GMAC device driver options
CONFIG_SAMA5_GMAC_NRXBUFFERS=16 : Set aside some RS and TX buffers
CONFIG_SAMA5_GMAC_NTXBUFFERS=4
CONFIG_SAMA5_GMAC_PHYADDR=1 : KSZ8081 PHY is at address 1
CONFIG_SAMA5_GMAC_AUTONEG=y : Use autonegotiation
System Type -> EMAC device driver options
CONFIG_SAMA5_EMAC0_NRXBUFFERS=16 : Set aside some RS and TX buffers
CONFIG_SAMA5_EMAC0_NTXBUFFERS=4
CONFIG_SAMA5_EMAC0_PHYADDR=1 : KSZ8081 PHY is at address 1
CONFIG_SAMA5_EMAC0_AUTONEG=y : Use autonegotiation
CONFIG_SAMA5_EMAC0_RMII=y : Either MII or RMII interface should work
CONFIG_SAMA5_EMAC0_PHYSR=30 : Address of PHY status register on KSZ8081
CONFIG_SAMA5_EMAC0_PHYSR_ALTCONFIG=y : Needed for KSZ8081
CONFIG_SAMA5_EMAC0_PHYSR_ALTMODE=0x7 : " " " " " "
CONFIG_SAMA5_EMAC0_PHYSR_10HD=0x1 : " " " " " "
CONFIG_SAMA5_EMAC0_PHYSR_100HD=0x2 : " " " " " "
CONFIG_SAMA5_EMAC0_PHYSR_10FD=0x5 : " " " " " "
CONFIG_SAMA5_EMAC0_PHYSR_100FD=0x6 : " " " " " "
If both EMAC and GMAC are selected, you will also need:
PHY selection. Later in the configuration steps, you will need to select
the KSZ8081 PHY for EMAC (See below)
CONFIG_SAMA5_GMAC_ISETH0=y : GMAC is "eth0"; EMAC is "eth1"
If both EMAC0 and EMAC1 are selected, you will also need:
CONFIG_SAMA5_EMAC0_ISETH0=y : EMAC0 is "eth0"; EMAC1 is "eth1"
PHY selection. Later in the configuration steps, you will need to select
the KSZ9081 PHY for GMAC (See below)
@ -919,18 +1147,16 @@ AT25 Serial FLASH
The SAMA4D4-EK board supports an options Serial DataFlash connected
at MN8. The SPI connection is as follows:
MN8 SAMA5
------------- -----------------------------------------------
PIN FUNCTION PIO FUNCTION
--- --------- ----- -----------------------------------------
5 SI PD11 SPI0_MOSI
2 SO PD10 SPI0_MIS0
6 SCK PD12 SPI0_SPCK
1 /CS PD13 if jumper JP6 is closed.
NOTE: The MN8 is not populated on my SAMAD3 Xplained board. So, as a
result, these instructions would only apply if you were to have an AT25
Serial DataFlash installed in MN8.
------------------------------ ------------------- -------------------------
SAMA5D4 PIO SIGNAL USAGE
------------------------------ ------------------- -------------------------
PC0/SPI0_MISO/PWMH2/ISI_D8 PC0 AT25_SPI0_SO, ISI_D8
PC1/SPI0_MOSI/PWML2/ISI_D9 PC1 AT25_SPI0_SI, ISI_D9
PC2/SPI0_SPCK/PWMH3/ISI_D10 PC2 AT25_SPI0_SPCK, ISI_D10,
ZIG_PWMH3_PC2
PC3/SPI0_NPCS0/PWML3/ISI_D11 PC3 AT25_SPI0_NCPS0, ISI_D11,
ZIG_PWML3_PC3 (See JP6)
------------------------------ ------------------- -------------------------
Configuration
-------------
@ -1105,45 +1331,43 @@ USB Ports
The SAMA4D4-EK features three USB communication ports:
* Port A Host High Speed (EHCI) and Full Speed (OHCI) multiplexed with
USB Device High Speed Micro AB connector, J6
USB Device High Speed Micro AB connector, J1
* Port B Host High Speed (EHCI) and Full Speed (OHCI) standard type A
connector, J7 upper port
connector, J5 upper port
* Port C Host Full Speed (OHCI) only standard type A connector, J7
lower port
* Port C Host Full Speed (OHCI) and Full Speed (OHCI) standard type A
connector, J5 lower port
The two USB host ports (only) are equipped with 500-mA high-side power
The three USB host ports are equipped with 500-mA high-side power
switch for self-powered and bus-powered applications.
The USB device port A (J6) features a VBUS insert detection function.
The USB device port A (J5) features a VBUS insert detection function.
Port A
------
PIO Signal Name Function
---- ----------- -------------------------------------------------------
PE9 VBUS_SENSE VBus detection
Note: No VBus power switch enable on port A. I think that this limits
this port to a device port or as a host port for self-powered devices
only.
PIO Signal Name Function
---- -------------- -------------------------------------------------------
PE10 EN5V_USBA VBus power enable (via MN2 power switch) to VBus pin of
the OTG connector (host)
PE31 USBA_VBUS_PE31 VBus sensing from the VBus pin of the OTG connector (device)
Port B
------
PIO Signal Name Function
---- ----------- -------------------------------------------------------
PE4 EN5V_USBB VBus power enable (via MN3 power switch). To the A1
pin of J7 Dual USB A connector
PIO Signal Name Function
---- -------------- -------------------------------------------------------
PE11 EN5V_USBB VBus power enable (via MN4 power switch). To the A1
pin of J5 Dual USB A connector
Port C
------
PIO Signal Name Function
---- ----------- -------------------------------------------------------
PE3 EN5V_USBC VBus power enable (via MN3 power switch). To the B1
pin of J7 Dual USB A connector
PIO Signal Name Function
---- -------------- -------------------------------------------------------
PE12 EN5V_USBC VBus power enable (via MN4 power switch). To the B1
pin of J5 Dual USB A connector
Both Ports B and C
------------------

164
configs/sama5d4-ek/include/board.h
View File

@ -95,30 +95,35 @@
#endif
/* LED definitions ******************************************************************/
/* There are two LEDs on the SAMA5D4 series-CM board that can be controlled
* by software. A blue LED is controlled via PIO pins. A red LED normally
* provides an indication that power is supplied to the board but can also
* be controlled via software.
/* There are 3 LEDs on the SAMA5D4-EK:
*
* PE23. This blue LED is pulled high and is illuminated by pulling PE23
* low.
* ------------------------------ ------------------- -------------------------
* SAMA5D4 PIO SIGNAL USAGE
* ------------------------------ ------------------- -------------------------
* PE28/NWAIT/RTS4/A19 1Wire_PE28 1-WIRE ROM, LCD, D8 (green)
* PE8/A8/TCLK3/PWML3 LED_USER_PE8 LED_USER (D10)
* PE9/A9/TIOA2 LED_POWER_PE9 LED_POWER (D9, Red)
* ------------------------------ ------------------- -------------------------
*
* PE24. The red LED is also pulled high but is driven by a transistor so
* that it is illuminated when power is applied even if PE24 is not
* configured as an output. If PE24 is configured as an output, then the
* LCD is illuminated by a high output.
* - D8: D8 is shared with other functions and cannot be used if the 1-Wire ROM
* is used. I am not sure of the LCD function, but the LED may not be available
* if the LCD is used either. We will avoid using D8 just for simplicity.
* - D10: Nothing special here. A low output illuminates.
* - D9: The Power ON LED. Connects to the via an IRLML2502 MOSFET. This LED will
* be on when power is applied but otherwise a low output value will turn it
* off.
*/
/* LED index values for use with sam_setled() */
#define BOARD_BLUE 0
#define BOARD_RED 1
#define BOARD_USER 0
#define BOARD_POWER 1
#define BOARD_NLEDS 2
/* LED bits for use with sam_setleds() */
#define BOARD_BLUE_BIT (1 << BOARD_BLUE)
#define BOARD_RED_BIT (1 << BOARD_RED)
#define BOARD_USER_BIT (1 << BOARD_BLUE)
#define BOARD_POWER_BIT (1 << BOARD_RED)
/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
* defined. In that case, the usage by the board port is defined in
@ -138,28 +143,24 @@
#define LED_PANIC 3 /* The system has crashed OFF Blinking */
#undef LED_IDLE /* MCU is is sleep mode Not used */
/* Thus if the blue LED is statically on, NuttX has successfully booted and
* is, apparently, running normmally. If the red is flashing at
/* Thus if the D0 and D9 are statically on, NuttX has successfully booted and
* is, apparently, running normally. If the red D9 LED is flashing at
* approximately 2Hz, then a fatal error has been detected and the system
* has halted.
*/
/* Button definitions ***************************************************************/
/* The following push buttons switches are available:
/* A single button, PB_USER1 (PB2), is available on the SAMA5D4-EK:
*
* 1. One board reset button (BP2). When pressed and released, this push
* button causes a power-on reset of the whole board.
* ------------------------------ ------------------- -------------------------
* SAMA5D4 PIO SIGNAL USAGE
* ------------------------------ ------------------- -------------------------
* PE13/A13/TIOB1/PWML2 PB_USER1_PE13 PB_USER1
* ------------------------------ ------------------- -------------------------
*
* 2. One wakeup pushbutton that brings the processor out of Low-power mode
* (BP1)
*
* 3. One user pushbutton (BP3)
*
* Only the user push button (BP3) is controllable by software:
*
* - PE29. Pressing the switch connect PE29 to ground. Therefore, PE29
* must be pulled high internally. When the button is pressed the SAMA5
* will sense "0" is on PE29.
* Closing JP2 will bring PE13 to ground so 1) PE13 should have a weak pull-up,
* and 2) when PB2 is pressed, a low value will be senses.
*/
#define BUTTON_USER 0
#define NUM_BUTTONS 1
@ -181,111 +182,6 @@
#define BOARD_EBICS3_NAND_DATAADDR 0x60000000
/* PIO configuration ****************************************************************/
/* PWM. There are no dedicated PWM output pins available to the user for PWM
* testing. Care must be taken because all PWM output pins conflict with some other
* usage of the pin by other devices. Furthermore, many of these pins have not been
* brought out to an external connector:
*
* -----+---+---+----+------+----------------
* PWM PIN PER PIO I/O CONFLICTS
* -----+---+---+----+------+----------------
* PWM0 FI B PC28 J2.30 SPI1, ISI
* H B PB0 --- GMAC
* B PA20 J1.14 LCDC, ISI
* L B PB1 --- GMAC
* B PA21 J1.16 LCDC, ISI
* -----+---+---+----+------+----------------
* PWM1 FI B PC31 J2.36 HDMI
* H B PB4 --- GMAC
* B PA22 J1.18 LCDC, ISI
* L B PB5 --- GMAC
* B PE31 J3.20 ISI, HDMI
* B PA23 J1.20 LCDC, ISI
* -----+---+---+----+------+----------------
* PWM2 FI B PC29 J2.29 UART0, ISI, HDMI
* H C PD5 --- HSMCI0
* B PB8 --- GMAC
* L C PD6 --- HSMCI0
* B PB9 --- GMAC
* -----+---+---+----+------+----------------
* PWM3 FI C PD16 --- SPI0, Audio
* H C PD7 --- HSMCI0
* B PB12 J3.7 GMAC
* L C PD8 --- HSMCI0
* B PB13 --- GMAC
* -----+---+---+----+------+----------------
*/
/* PWM channel 0:
*
* PA20 and PA21 can be used if the LCDC or ISI are not selected. These outputs are
* available on J1, pins 14 and 16, respectively.
*
* If the GMAC is not selected, then PB0 and PB1 could also be used. However,
* these pins are not available at the I/O expansion connectors.
*/
#if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI)
# define PIO_PWM0_H PIO_PWM0_H_2
# define PIO_PWM0_L PIO_PWM0_L_2
#elif !defined(CONFIG_SAMA5_GMAC)
# define PIO_PWM0_H PIO_PWM0_H_1
# define PIO_PWM0_L PIO_PWM0_L_1
#endif
/* PWM channel 1:
*
* PA22 and PA23 can be used if the LCDC or ISI are not selected. These outputs are
* available on J1, pins 18 and 20, respectively.
*
* PE31 can be used if the ISI is not selected (and the HDMI is not being used).
* That signal is available at J3 pin 20.
*
* If the GMAC is not selected, then PB4 and PB5 could also be used. However,
* these pins are not available at the I/O expansion connectors.
*/
#if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI)
# define PIO_PWM1_H PIO_PWM1_H_2
#elif !defined(CONFIG_SAMA5_GMAC)
# define PIO_PWM1_H PIO_PWM1_H_1
#endif
#if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI)
# define PIO_PWM1_L PIO_PWM1_L_3
#elif !defined(CONFIG_SAMA5_ISI)
# define PIO_PWM1_L PIO_PWM1_L_2
#elif !defined(CONFIG_SAMA5_GMAC)
# define PIO_PWM1_L PIO_PWM1_L_1
#endif
/* PWM channel 2:
*
* None of the output pin options are available at any of the I/O expansion
* connectors for PWM channel 2
*/
#if !defined(CONFIG_SAMA5_HSMCI0)
# define PIO_PWM2_H PIO_PWM2_H_1
# define PIO_PWM2_L PIO_PWM2_L_1
#elif !defined(CONFIG_SAMA5_GMAC)
# define PIO_PWM2_H PIO_PWM2_H_2
# define PIO_PWM2_L PIO_PWM2_L_2
#endif
/* PWM channel 3:
*
* If the GMAC is not selected, then PB12 can used and is available at J3 pin 7.
* None of the other output pins are accessible at the I/O expansion connectors.
*/
#if !defined(CONFIG_SAMA5_GMAC)
# define PIO_PWM3_H PIO_PWM3_H_2
# define PIO_PWM3_L PIO_PWM3_L_2
#elif !defined(CONFIG_SAMA5_HSMCI0)
# define PIO_PWM3_H PIO_PWM3_H_1
# define PIO_PWM3_L PIO_PWM3_L_1
#endif
/************************************************************************************
* Assembly Language Macros

49
configs/sama5d4-ek/nsh/defconfig
View File

@ -164,7 +164,7 @@ CONFIG_ARCH_CHIP_ATSAMA5D44=y
# CONFIG_SAMA5_AES is not set
# CONFIG_SAMA5_TDES is not set
# CONFIG_SAMA5_AESB is not set
CONFIG_SAMA5_DBGU=y
# CONFIG_SAMA5_DBGU is not set
# CONFIG_SAMA5_L2CC is not set
# CONFIG_SAMA5_PIT is not set
# CONFIG_SAMA5_WDT is not set
@ -177,8 +177,8 @@ CONFIG_SAMA5_HSMC=y
# CONFIG_SAMA5_USART0 is not set
# CONFIG_SAMA5_USART1 is not set
# CONFIG_SAMA5_USART2 is not set
# CONFIG_SAMA5_USART3 is not set
# CONFIG_SAMA5_USART4 is not set
CONFIG_SAMA5_USART3=y
CONFIG_SAMA5_USART4=y
# CONFIG_SAMA5_TWI0 is not set
# CONFIG_SAMA5_TWI1 is not set
# CONFIG_SAMA5_TWI2 is not set
@ -211,14 +211,6 @@ CONFIG_SAMA5_HSMC=y
# CONFIG_SAMA5_VDEC is not set
# CONFIG_SAMA5_PIO_IRQ is not set
#
# DBGU Configuration
#
CONFIG_SAMA5_DBGU_CONSOLE=y
CONFIG_SAMA5_DBGU_RXBUFSIZE=256
CONFIG_SAMA5_DBGU_TXBUFSIZE=256
CONFIG_SAMA5_DBGU_NOCONFIG=y
#
# External Memory Configuration
#
@ -450,8 +442,8 @@ CONFIG_SERIAL=y
# CONFIG_ARCH_HAVE_USART0 is not set
# CONFIG_ARCH_HAVE_USART1 is not set
# CONFIG_ARCH_HAVE_USART2 is not set
# CONFIG_ARCH_HAVE_USART3 is not set
# CONFIG_ARCH_HAVE_USART4 is not set
CONFIG_ARCH_HAVE_USART3=y
CONFIG_ARCH_HAVE_USART4=y
# CONFIG_ARCH_HAVE_USART5 is not set
# CONFIG_ARCH_HAVE_USART6 is not set
# CONFIG_ARCH_HAVE_USART7 is not set
@ -460,8 +452,37 @@ CONFIG_SERIAL=y
#
# USART Configuration
#
# CONFIG_MCU_SERIAL is not set
CONFIG_USART3_ISUART=y
CONFIG_USART4_ISUART=y
CONFIG_MCU_SERIAL=y
CONFIG_STANDARD_SERIAL=y
CONFIG_USART3_SERIAL_CONSOLE=y
# CONFIG_USART4_SERIAL_CONSOLE is not set
# CONFIG_NO_SERIAL_CONSOLE is not set
#
# USART3 Configuration
#
CONFIG_USART3_RXBUFSIZE=256
CONFIG_USART3_TXBUFSIZE=256
CONFIG_USART3_BAUD=115200
CONFIG_USART3_BITS=8
CONFIG_USART3_PARITY=0
CONFIG_USART3_2STOP=0
# CONFIG_USART3_IFLOWCONTROL is not set
# CONFIG_USART3_OFLOWCONTROL is not set
#
# USART4 Configuration
#
CONFIG_USART4_RXBUFSIZE=256
CONFIG_USART4_TXBUFSIZE=256
CONFIG_USART4_BAUD=115200
CONFIG_USART4_BITS=8
CONFIG_USART4_PARITY=0
CONFIG_USART4_2STOP=0
# CONFIG_USART4_IFLOWCONTROL is not set
# CONFIG_USART4_OFLOWCONTROL is not set
# CONFIG_SERIAL_IFLOWCONTROL is not set
# CONFIG_SERIAL_OFLOWCONTROL is not set
# CONFIG_USBDEV is not set

112
configs/sama5d4-ek/src/sam_autoleds.c
View File

@ -32,39 +32,44 @@
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/* There are two LEDs on the SAMA5D4 series-CM board that can be controlled
* by software. A blue LED is controlled via PIO pins. A red LED normally
* provides an indication that power is supplied to the board but can also
* be controlled via software.
/* There are 3 LEDs on the SAMA5D4-EK:
*
* PE25. This blue LED is pulled high and is illuminated by pulling PE25
* low.
* ------------------------------ ------------------- -------------------------
* SAMA5D4 PIO SIGNAL USAGE
* ------------------------------ ------------------- -------------------------
* PE28/NWAIT/RTS4/A19 1Wire_PE28 1-WIRE ROM, LCD, D8 (green)
* PE8/A8/TCLK3/PWML3 LED_USER_PE8 LED_USER (D10)
* PE9/A9/TIOA2 LED_POWER_PE9 LED_POWER (D9, Red)
* ------------------------------ ------------------- -------------------------
*
* PE24. The red LED is also pulled high but is driven by a transistor so
* that it is illuminated when power is applied even if PE24 is not
* configured as an output. If PE24 is configured as an output, then the
* LCD is illuminated by a low output.
* - D8: D8 is shared with other functions and cannot be used if the 1-Wire ROM
* is used. I am not sure of the LCD function, but the LED may not be available
* if the LCD is used either. We will avoid using D8 just for simplicity.
* - D10: Nothing special here. A low output illuminates.
* - D9: The Power ON LED. Connects to the via an IRLML2502 MOSFET. This LED will
* be on when power is applied but otherwise a low output value will turn it
* off.
*
* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
* defined. In that case, the usage by the board port is defined in
* include/board.h and src/sam_leds.c. The LEDs are used to encode OS-related
* events as follows:
*
* SYMBOL Val Meaning LED state
* Blue Red
* ----------------- --- ----------------------- -------- --------
* LED_STARTED 0 NuttX has been started OFF OFF
* LED_HEAPALLOCATE 0 Heap has been allocated OFF OFF
* LED_IRQSENABLED 0 Interrupts enabled OFF OFF
* LED_STACKCREATED 1 Idle stack created ON OFF
* LED_INIRQ 2 In an interrupt No change
* LED_SIGNAL 2 In a signal handler No change
* LED_ASSERTION 2 An assertion failed No change
* LED_PANIC 3 The system has crashed OFF Blinking
* LED_IDLE N/A MCU is is sleep mode Not used
* SYMBOL Meaning LED state
* USER D10 POWER D9
* ------------------- ----------------------- -------- --------
* LED_STARTED NuttX has been started OFF ON
* LED_HEAPALLOCATE Heap has been allocated OFF ON
* LED_IRQSENABLED Interrupts enabled OFF ON
* LED_STACKCREATED Idle stack created ON ON
* LED_INIRQ In an interrupt No change
* LED_SIGNAL In a signal handler No change
* LED_ASSERTION An assertion failed No change
* LED_PANIC The system has crashed OFF Blinking
* LED_IDLE MCU is is sleep mode Not used
*
* Thus if the blue LED is statically on, NuttX has successfully booted and
* is, apparently, running normally. If the red is flashing at
* Thus if the D0 and D9 are statically on, NuttX has successfully booted and
* is, apparently, running normally. If the red D9 LED is flashing at
* approximately 2Hz, then a fatal error has been detected and the system
* has halted.
*/
@ -122,8 +127,8 @@ void board_led_initialize(void)
{
/* Configure LED PIOs for output */
sam_configpio(PIO_BLUE);
sam_configpio(PIO_RED);
sam_configpio(PIO_LED_USER);
sam_configpio(PIO_LED_POWER);
}
/****************************************************************************
@ -132,29 +137,31 @@ void board_led_initialize(void)
void board_led_on(int led)
{
bool blueoff = true; /* Low illuminates */
bool redon = false; /* High illuminates */
switch (led)
{
case 0: /* LED_STARTED, LED_HEAPALLOCATE, LED_IRQSENABLED */
break;
case 1: /* LED_STACKCREATED */
blueoff = false;
break;
default:
case 2: /* LED_INIRQ, LED_SIGNAL, LED_ASSERTION */
return;
case 0: /* LED_STARTED, LED_HEAPALLOCATE, LED_IRQSENABLED */
break; /* Leave USER LED off */
case 3: /* LED_PANIC */
redon = true;
case 1: /* LED_STACKCREATED */
{
/* User LED is ON (Low illuminates) */
sam_piowrite(PIO_LED_USER, false);
}
break;
case 2: /* LED_INIRQ, LED_SIGNAL, LED_ASSERTION */
break; /* Ignored */
case 3: /* LED_PANIC */
{
/* Power LED is ON (High illuminates) */
sam_piowrite(PIO_LED_POWER, true);
}
break;
}
sam_piowrite(PIO_BLUE, blueoff);
sam_piowrite(PIO_RED, redon);
}
/****************************************************************************
@ -163,10 +170,23 @@ void board_led_on(int led)
void board_led_off(int led)
{
if (led != 2)
switch (led)
{
sam_piowrite(PIO_BLUE, true); /* Low illuminates */
sam_piowrite(PIO_RED, false); /* High illuminates */
default:
case 0: /* LED_STARTED, LED_HEAPALLOCATE, LED_IRQSENABLED, */
case 1: /* LED_STACKCREATED */
break; /* Will not happen */
case 2: /* LED_INIRQ, LED_SIGNAL, LED_ASSERTION */
break; /* Ignored */
case 3: /* LED_PANIC */
{
/* Power LED is OFF (High illuminates) */
sam_piowrite(PIO_LED_POWER, false);
}
break;
}
}

44
configs/sama5d4-ek/src/sam_buttons.c
View File

@ -32,20 +32,16 @@
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/* There are five push button switches on the SAMA4D4-EK base board:
/* A single button, PB_USER1 (PB2), is available on the SAMA5D4-EK:
*
* 1. One Reset, board reset (BP1)
* 2. One Wake up, push button to bring the processor out of low power mode
* (BP2)
* 3. One User momentary Push Button
* 4. One Disable CS Push Button
* ------------------------------ ------------------- ----------------------
* SAMA5D4 PIO SIGNAL USAGE
* ------------------------------ ------------------- ----------------------
* PE13/A13/TIOB1/PWML2 PB_USER1_PE13 PB_USER1
* ------------------------------ ------------------- ----------------------
*
* Only the momentary push button is controllable by software (labeled
* "PB_USER1" on the board):
*
* - PE27. Pressing the switch connect PE27 to grounded. Therefore, PE27
* must be pulled high internally. When the button is pressed the SAMA5
* will sense "0" is on PE27.
* Closing JP2 will bring PE13 to ground so 1) PE13 should have a weak
* pull-up, and 2) when PB2 is pressed, a low value will be senses.
*/
/****************************************************************************
@ -91,32 +87,32 @@ static xcpt_t g_irquser1;
* Name: board_button_initialize
*
* Description:
* board_button_initialize() must be called to initialize button resources. After
* that, board_buttons() may be called to collect the current state of all
* buttons or board_button_irq() may be called to register button interrupt
* handlers.
* board_button_initialize() must be called to initialize button resources.
* After that, board_buttons() may be called to collect the current state
* of all buttons or board_button_irq() may be called to register button
* interrupt handlers.
*
****************************************************************************/
void board_button_initialize(void)
{
(void)sam_configpio(PIO_USER1);
(void)sam_configpio(PIO_BTN_USER);
}
/****************************************************************************
* Name: board_buttons
*
* Description:
* After board_button_initialize() has been called, board_buttons() may be called to
* collect the state of all buttons. board_buttons() returns an 8-bit bit set
* with each bit associated with a button. See the BUTTON* definitions
* above for the meaning of each bit in the returned value.
* After board_button_initialize() has been called, board_buttons() may be
* called to collect the state of all buttons. board_buttons() returns an
* 8-bit bit set with each bit associated with a button. See the BUTTON*
* definitions above for the meaning of each bit in the returned value.
*
****************************************************************************/
uint8_t board_buttons(void)
{
return sam_pioread(PIO_USER1) ? 0 : BUTTON_USER1_BIT;
return sam_pioread(PIO_BTN_USER) ? 0 : BUTTON_USER_BIT;
}
/****************************************************************************
@ -126,7 +122,7 @@ uint8_t board_buttons(void)
* This function may be called to register an interrupt handler that will
* be called when a button is depressed or released. The ID value is one
* of the BUTTON* definitions provided above. The previous interrupt
* handler address isreturned (so that it may restored, if so desired).
* handler address is returned (so that it may restored, if so desired).
*
* Configuration Notes:
* Configuration CONFIG_SAMA5_PIO_IRQ must be selected to enable the
@ -140,7 +136,7 @@ xcpt_t board_button_irq(int id, xcpt_t irqhandler)
{
xcpt_t oldhandler = NULL;
if (id == BUTTON_USER1)
if (id == BUTTON_USER)
{
irqstate_t flags;

38
configs/sama5d4-ek/src/sam_userleds.c
View File

@ -32,18 +32,22 @@
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/* There are two LEDs on the SAMA5D4 series-CM board that can be controlled
* by software. A blue LED is controlled via PIO pins. A red LED normally
* provides an indication that power is supplied to the board but can also
* be controlled via software.
/* There are 3 LEDs on the SAMA5D4-EK:
*
* PE25. This blue LED is pulled high and is illuminated by pulling PE25
* low.
* ------------------------------ ------------------- -------------------------
* SAMA5D4 PIO SIGNAL USAGE
* ------------------------------ ------------------- -------------------------
* PE28/NWAIT/RTS4/A19 1Wire_PE28 1-WIRE ROM, LCD, D8 (green)
* PE8/A8/TCLK3/PWML3 LED_USER_PE8 LED_USER (D10)
* PE9/A9/TIOA2 LED_POWER_PE9 LED_POWER (D9, Red)
* ------------------------------ ------------------- -------------------------
*
* PE24. The red LED is also pulled high but is driven by a transistor so
* that it is illuminated when power is applied even if PE24 is not
* configured as an output. If PE24 is configured as an output, then the
* LCD is illuminated by a low output.
* - D8: D8 is shared with other functions and cannot be used if the 1-Wire ROM
* is used. I am not sure of the LCD function, but the LED may not be available
* if the LCD is used either. We will avoid using D8 just for simplicity.
* - D10: Nothing special here. A low output illuminates.
* - D9: The Power ON LED. Connects to the via an IRLML2502 MOSFET. This LED will
* be on when power is applied but otherwise, I think it works like D10.
*/
/****************************************************************************
@ -84,7 +88,7 @@
****************************************************************************/
/****************************************************************************
* Private Function Protototypes
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
@ -107,8 +111,8 @@ void sam_ledinit(void)
{
/* Configure LED PIOs for output */
sam_configpio(PIO_BLUE);
sam_configpio(PIO_RED);
sam_configpio(PIO_LED_USER);
sam_configpio(PIO_LED_POWER);
}
/****************************************************************************
@ -123,14 +127,14 @@ void sam_setled(int led, bool ledon)
{
/* Low illuminates */
ledcfg = PIO_BLUE;
ledcfg = PIO_LED_USER;
ledon = !ledon;
}
else if (led == BOARD_RED)
{
/* High illuminates */
ledcfg = PIO_RED;
ledcfg = PIO_LED_POWER;
}
else
{
@ -151,12 +155,12 @@ void sam_setleds(uint8_t ledset)
/* Low illuminates */
ledon = ((ledset & BOARD_BLUE_BIT) == 0);
sam_piowrite(PIO_BLUE, ledon);
sam_piowrite(PIO_LED_USER, ledon);
/* High illuminates */
ledon = ((ledset & BOARD_RED_BIT) != 0);
sam_piowrite(PIO_RED, ledon);
sam_piowrite(PIO_LED_POWER, ledon);
}
#endif /* !CONFIG_ARCH_LEDS */

59
configs/sama5d4-ek/src/sama5d4-ek.h
View File

@ -260,45 +260,46 @@
#endif
/* LEDs *****************************************************************************/
/* There are two LEDs on the SAMA5D4 series-CM board that can be controlled
* by software. A blue LED is controlled via PIO pins. A red LED normally
* provides an indication that power is supplied to the board but can also
* be controlled via software.
/* There are 3 LEDs on the SAMA5D4-EK:
*
* PE23. This blue LED is pulled high and is illuminated by pulling PE23
* low.
* ------------------------------ ------------------- -------------------------
* SAMA5D4 PIO SIGNAL USAGE
* ------------------------------ ------------------- -------------------------
* PE28/NWAIT/RTS4/A19 1Wire_PE28 1-WIRE ROM, LCD, D8 (green)
* PE8/A8/TCLK3/PWML3 LED_USER_PE8 LED_USER (D10)
* PE9/A9/TIOA2 LED_POWER_PE9 LED_POWER (D9, Red)
* ------------------------------ ------------------- -------------------------
*
* PE24. The red LED is also pulled high but is driven by a transistor so
* that it is illuminated when power is applied even if PE24 is not
* configured as an output. If PE24 is configured as an output, then the
* LCD is illuminated by a high output.
* - D8: D8 is shared with other functions and cannot be used if the 1-Wire ROM
* is used. I am not sure of the LCD function, but the LED may not be available
* if the LCD is used either. We will avoid using D8 just for simplicity.
* - D10: Nothing special here. A low output illuminates.
* - D9: The Power ON LED. Connects to the via an IRLML2502 MOSFET. This LED will
* be on when power is applied but otherwise; a low output value will turn it
* off.
*/
#define PIO_BLUE (PIO_OUTPUT | PIO_CFG_PULLUP | PIO_OUTPUT_SET | \
PIO_PORT_PIOE | PIO_PIN23)
#define PIO_RED (PIO_OUTPUT | PIO_CFG_PULLUP | PIO_OUTPUT_CLEAR | \
PIO_PORT_PIOE | PIO_PIN24)
#define PIO_LED_USER (PIO_OUTPUT | PIO_CFG_PULLUP | PIO_OUTPUT_SET | \
PIO_PORT_PIOE | PIO_PIN8)
#define PIO_LED_POWER (PIO_OUTPUT | PIO_CFG_PULLUP | PIO_OUTPUT_SET | \
PIO_PORT_PIOE | PIO_PIN9)
/* Buttons **************************************************************************/
/* There are five push button switches on the SAMA4D4-EK base board:
/* A single button, PB_USER1 (PB2), is available on the SAMA5D4-EK:
*
* 1. One Reset, board reset (BP1)
* 2. One Wake up, push button to bring the processor out of low power mode
* (BP2)
* 3. One User momentary Push Button
* 4. One Disable CS Push Button
* ------------------------------ ------------------- -------------------------
* SAMA5D4 PIO SIGNAL USAGE
* ------------------------------ ------------------- -------------------------
* PE13/A13/TIOB1/PWML2 PB_USER1_PE13 PB_USER1
* ------------------------------ ------------------- -------------------------
*
* Only the user push button is controllable by software (labeled
* "PB_USER1" on the board):
*
* - PE29. Pressing the switch connects PE29 to ground. Therefore, PE29
* must be pulled high internally. When the button is pressed the SAMA5
* will sense "0" is on PE29.
* Closing JP2 will bring PE13 to ground so 1) PE13 should have a weak pull-up,
* and 2) when PB2 is pressed, a low value will be senses.
*/
#define PIO_USER (PIO_INPUT | PIO_CFG_PULLUP | PIO_CFG_DEGLITCH | \
PIO_INT_BOTHEDGES | PIO_PORT_PIOE | PIO_PIN29)
#define IRQ_USER SAM_IRQ_PE29
#define PIO_BTN_USER (PIO_INPUT | PIO_CFG_PULLUP | PIO_CFG_DEGLITCH | \
PIO_INT_BOTHEDGES | PIO_PORT_PIOE | PIO_PIN13)
#define IRQ_BTN_USER SAM_IRQ_PE13
/* HSMCI Card Slots *****************************************************************/
/* The SAMA4D4-EK provides a two SD memory card slots: (1) a full size SD card