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Add an NSH configuration for the Arduino Due; Pluse several fixes related to the Due and to the SAM3X in general

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This commit is contained in:
Gregory Nutt
2013-06-28 14:32:08 -06:00
parent fd683277c4
commit 6a3d1fece4
9 changed files with 1054 additions and 96 deletions
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configs/arduino-due/src/arduino-due.h
+23 -17
View File
@@ -53,14 +53,17 @@
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* There are two user-controllable LEDs on board the Arduino Due board:
/* There are three user-controllable LEDs on board the Arduino Due board:
*
* LED GPIO
* ---------------- -----
* L Amber LED PB27
* TX Yellow LED PA21
* RX Yellow LED PC30
*
* Both are pulled high and can be illuminated by driving the corresponding
* LED L is connected to ground and can be illuminated by driving the PB27
* output high. The TX and RX LEDs are pulled high and can be illuminated by
* driving the corresponding
* GPIO output to low.
*
* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
@@ -68,24 +71,27 @@
* include/board.h and src/sam_leds.c. The LEDs are used to encode OS-related
* events as follows:
*
* SYMBOL Meaning LED state
* RX TX
* ------------------- ----------------------- -------- --------
* 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_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
* SYMBOL MEANING LED STATE
* L TX RX
* ------------------- ----------------------- -------- -------- --------
* LED_STARTED NuttX has been started OFF OFF OFF
* LED_HEAPALLOCATE Heap has been allocated OFF OFF OFF
* LED_IRQSENABLED Interrupts enabled OFF OFF OFF
* LED_STACKCREATED Idle stack created ON OFF OFF
* LED_INIRQ In an interrupt N/C GLOW OFF
* LED_SIGNAL In a signal handler N/C GLOW OFF
* LED_ASSERTION An assertion failed N/C GLOW OFF
* LED_PANIC The system has crashed N/C N/C Blinking
* LED_IDLE MCU is is sleep mode ------ Not used --------
*
* Thus if RX is statically on, NuttX has successfully booted and is,
* apparently, running normmally. If TX is flashing at approximately
* 2Hz, then a fatal error has been detected and the system has halted.
* Thus if LED L is statically on, NuttX has successfully booted and is,
* apparently, running normmally. If LED RX is glowing, then NuttX is
* handling interupts (and also signals and assertions). If TX is flashing
* at approximately 2Hz, then a fatal error has been detected and the system
*/
#define GPIO_LED_L (GPIO_OUTPUT | GPIO_CFG_PULLUP | GPIO_OUTPUT_CLEAR | \
GPIO_PORT_PIOB | GPIO_PIN27)
#define GPIO_LED_RX (GPIO_OUTPUT | GPIO_CFG_PULLUP | GPIO_OUTPUT_SET | \
GPIO_PORT_PIOC | GPIO_PIN30)
#define GPIO_LED_TX (GPIO_OUTPUT | GPIO_CFG_PULLUP | GPIO_OUTPUT_SET | \
configs/arduino-due/src/sam_autoleds.c
+86 -36
View File
@@ -54,14 +54,17 @@
/****************************************************************************
* Definitions
****************************************************************************/
/* There are two user-controllable LEDs on board the Arduino Due board:
/* There are three user-controllable LEDs on board the Arduino Due board:
*
* LED GPIO
* ---------------- -----
* L Amber LED PB27
* TX Yellow LED PA21
* RX Yellow LED PC30
*
* Both are pulled high and can be illuminated by driving the corresponding
* LED L is connected to ground and can be illuminated by driving the PB27
* output high. The TX and RX LEDs are pulled high and can be illuminated by
* driving the corresponding
* GPIO output to low.
*
* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
@@ -69,22 +72,23 @@
* include/board.h and src/sam_leds.c. The LEDs are used to encode OS-related
* events as follows:
*
* SYMBOL Meaning LED state
* RX TX
* ------------------- ----------------------- -------- --------
* 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_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
* SYMBOL MEANING LED STATE
* L TX RX
* ------------------- ----------------------- -------- -------- --------
* LED_STARTED NuttX has been started OFF OFF OFF
* LED_HEAPALLOCATE Heap has been allocated OFF OFF OFF
* LED_IRQSENABLED Interrupts enabled OFF OFF OFF
* LED_STACKCREATED Idle stack created ON OFF OFF
* LED_INIRQ In an interrupt N/C GLOW OFF
* LED_SIGNAL In a signal handler N/C GLOW OFF
* LED_ASSERTION An assertion failed N/C GLOW OFF
* LED_PANIC The system has crashed N/C N/C Blinking
* LED_IDLE MCU is is sleep mode ------ Not used --------
*
* Thus if RX is statically on, NuttX has successfully booted and is,
* apparently, running normmally. If TX is flashing at approximately
* 2Hz, then a fatal error has been detected and the system has halted.
* Thus if LED L is statically on, NuttX has successfully booted and is,
* apparently, running normmally. If LED RX is glowing, then NuttX is
* handling interupts (and also signals and assertions). If TX is flashing
* at approximately 2Hz, then a fatal error has been detected and the system
*/
/* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG
@@ -119,6 +123,7 @@ void up_ledinit(void)
{
/* Configure RX and TX LED GPIOs for output */
sam_configgpio(GPIO_LED_L);
sam_configgpio(GPIO_LED_RX);
sam_configgpio(GPIO_LED_TX);
}
@@ -129,29 +134,47 @@ void up_ledinit(void)
void up_ledon(int led)
{
bool rxledon = false;
bool txledon = false;
switch (led)
{
case 0: /* LED_STARTED, LED_HEAPALLOCATE, LED_IRQSENABLED */
break;
case 1: /* LED_STACKCREATED */
rxledon = true;
break;
/* 0: LED_STARTED, LED_HEAPALLOCATE, LED_IRQSENABLED: L=OFF TX=OFF
* RX=OFF
*
* Since the LEDs were initially all OFF and since this state only
* occurs one time, nothing need be done.
*/
default:
case 2: /* LED_INIRQ, LED_SIGNAL, LED_ASSERTION */
return;
case 0:
break;
case 3: /* LED_PANIC */
txledon = true;
/* 1: LED_STACKCREATED: L=ON TX=OFF RX=OFF
*
* This case will also occur only once. Note that unlike the other
* LEDs, LED L is active high.
*/
case 1:
sam_gpiowrite(GPIO_LED_L, true);
break;
/* 2: LED_INIRQ, LED_SIGNAL, LED_ASSERTION: L=N/C TX=ON RX=N/C
*
* This case will occur many times. LED TX is active low.
*/
case 2:
sam_gpiowrite(GPIO_LED_TX, false);
break;
/* 3: LED_PANIC: L=N/X TX=N/C RX=ON
*
* This case will also occur many times. LED RX is active low.
*/
case 3:
sam_gpiowrite(GPIO_LED_RX, false);
break;
}
sam_gpiowrite(GPIO_LED_RX, rxledon);
sam_gpiowrite(GPIO_LED_TX, txledon);
}
/****************************************************************************
@@ -160,10 +183,37 @@ void up_ledon(int led)
void up_ledoff(int led)
{
if (led != 2)
switch (led)
{
sam_gpiowrite(GPIO_LED_RX, false);
sam_gpiowrite(GPIO_LED_TX, false);
/* 0: LED_STARTED, LED_HEAPALLOCATE, LED_IRQSENABLED: L=OFF TX=OFF
* RX=OFF
* 1: LED_STACKCREATED: L=ON TX=OFF RX=OFF
*
* These cases should never happen.
*/
default:
case 1:
case 0:
break;
/* 2: LED_INIRQ, LED_SIGNAL, LED_ASSERTION: L=N/C TX=OFF RX=N/C
*
* This case will occur many times. LED TX is active low.
*/
case 2:
sam_gpiowrite(GPIO_LED_TX, true);
break;
/* 3: LED_PANIC: L=N/X TX=N/C RX=OFF
*
* This case will also occur many times. LED RX is active low.
*/
case 3:
sam_gpiowrite(GPIO_LED_RX, true);
break;
}
}
configs/arduino-due/src/sam_userleds.c
+11 -1
View File
@@ -95,6 +95,7 @@ void sam_ledinit(void)
{
/* Configure LED1-2 GPIOs for output */
sam_configgpio(GPIO_LED_L);
sam_configgpio(GPIO_LED_RX);
sam_configgpio(GPIO_LED_TX);
}
@@ -107,13 +108,19 @@ void sam_setled(int led, bool ledon)
{
uint32_t ledcfg;
if (led == BOARD_LED_RX)
if (led == BOARD_LED_L)
{
ledcfg = GPIO_LED_RX;
}
else if (led == BOARD_LED_RX)
{
ledcfg = GPIO_LED_RX;
ledon = !ledon;
}
else if (led == BOARD_LED_TX)
{
ledcfg = GPIO_LED_TX;
ledon = !ledon;
}
else
{
@@ -131,6 +138,9 @@ void sam_setleds(uint8_t ledset)
{
bool ledon;
ledon = ((ledset & BOARD_LED_L_BIT) != 0);
sam_gpiowrite(GPIO_LED_L, ledon);
ledon = ((ledset & BOARD_LED_RX_BIT) != 0);
sam_gpiowrite(GPIO_LED_RX, ledon);