diff options
| -rw-r--r-- | nuttx/arch/arm/src/lm3s/lm3s_internal.h | 6 | ||||
| -rw-r--r-- | nuttx/arch/arm/src/lm3s/lm3s_syscontrol.h | 13 | ||||
| -rw-r--r-- | nuttx/configs/ekk-lm3s9b96/Kconfig | 2 | ||||
| -rw-r--r-- | nuttx/configs/ekk-lm3s9b96/include/board.h | 6 | ||||
| -rw-r--r-- | nuttx/configs/ekk-lm3s9b96/src/ekklm3s9b96_internal.h | 234 | ||||
| -rw-r--r-- | nuttx/configs/ekk-lm3s9b96/src/up_boot.c | 182 | ||||
| -rw-r--r-- | nuttx/configs/ekk-lm3s9b96/src/up_ethernet.c | 198 | ||||
| -rw-r--r-- | nuttx/configs/ekk-lm3s9b96/src/up_leds.c | 4 | ||||
| -rw-r--r-- | nuttx/configs/ekk-lm3s9b96/src/up_nsh.c | 3 | ||||
| -rw-r--r-- | nuttx/configs/ekk-lm3s9b96/src/up_ssi.c | 324 |
10 files changed, 484 insertions, 488 deletions
diff --git a/nuttx/arch/arm/src/lm3s/lm3s_internal.h b/nuttx/arch/arm/src/lm3s/lm3s_internal.h index 16e849b3f..2ecc9c14a 100644 --- a/nuttx/arch/arm/src/lm3s/lm3s_internal.h +++ b/nuttx/arch/arm/src/lm3s/lm3s_internal.h @@ -280,13 +280,11 @@ # define GPIO_SSI0_FSS (GPIO_FUNC_PFIO | GPIO_PORTA | 3) /* PA3: SSI0 frame (SSI0Fss) */ # define GPIO_SSI0_RX (GPIO_FUNC_PFINPUT | GPIO_PORTA | 4) /* PA4: SSI0 receive (SSI0Rx) */ # define GPIO_SSI0_TX (GPIO_FUNC_PFOUTPUT | GPIO_PORTA | 5) /* PA5: SSI0 transmit (SSI0Tx) */ -# define GPIO_I2C1_SCL (GPIO_FUNC_PFOUTPUT | GPIO_PORTA | 7) /* PA6: I2C1 clock (I2C1SCL) */ +# define GPIO_I2C1_SCL (GPIO_FUNC_PFODIO | GPIO_PORTA | 6) /* PA6: I2C1 clock (I2C1SCL) */ # define GPIO_I2C1_SDA (GPIO_FUNC_PFODIO | GPIO_PORTA | 7) /* PA7: I2C1 data (I2C1SDA) */ # define GPIO_PWM1_2 (GPIO_FUNC_PFOUTPUT | GPIO_PORTB | 0) /* PB0: PWM Generator 1, PWM2 */ # define GPIO_PWM1_3 (GPIO_FUNC_PFOUTPUT | GPIO_PORTB | 1) /* PB1: PWM Generator 1, PWM3 */ -# define GPIO_USB0ID (GPIO_FUNC_PFINPUT | GPIO_PORTB | 0) /* PB0: USBID signal from the USB-On-the-Go */ -# define GPIO_USB0VBUS (GPIO_FUNC_PFODIO | GPIO_PORTB | 1) /* PB1: USB VBUS input signal from USB-OTG */ -# define GPIO_I2C0_SCL (GPIO_FUNC_PFOUTPUT | GPIO_PORTB | 2) /* PB2: I2C0 clock (I2C0SCL) */ +# define GPIO_I2C0_SCL (GPIO_FUNC_PFODIO | GPIO_PORTB | 2) /* PB2: I2C0 clock (I2C0SCL) */ # define GPIO_I2C0_SDA (GPIO_FUNC_PFODIO | GPIO_PORTB | 3) /* PB3: I2C0 data (I2C0SDA) */ # define GPIO_CMP0_NIN (GPIO_FUNC_PFINPUT | GPIO_PORTB | 4) /* PB4: Analog comparator 0 negative input (C0-) */ # define GPIO_CMP1_NIN (GPIO_FUNC_PFINPUT | GPIO_PORTB | 5) /* PB5: Analog comparator 1 negative input (C1-) */ diff --git a/nuttx/arch/arm/src/lm3s/lm3s_syscontrol.h b/nuttx/arch/arm/src/lm3s/lm3s_syscontrol.h index 5f4020cc1..773d3338f 100644 --- a/nuttx/arch/arm/src/lm3s/lm3s_syscontrol.h +++ b/nuttx/arch/arm/src/lm3s/lm3s_syscontrol.h @@ -304,8 +304,8 @@ # define SYSCON_RCC_OSCSRC_IOSC (1 << SYSCON_RCC_OSCSRC_SHIFT) /* Internal oscillator (reset) */ # define SYSCON_RCC_OSCSRC_IOSC4 (2 << SYSCON_RCC_OSCSRC_SHIFT) /* Internal oscillator / 4 */ # define SYSCON_RCC_OSCSRC_30KHZ (3 << SYSCON_RCC_OSCSRC_SHIFT) /* 30KHz internal oscillator */ -#define SYSCON_RCC_XTAL_SHIFT 6 /* Bits 9-6: Crystal Value */ -#define SYSCON_RCC_XTAL_MASK (0x0f << SYSCON_RCC_XTAL_SHIFT) +#define SYSCON_RCC_XTAL_SHIFT 6 /* Bits 10-6: Crystal Value */ +#define SYSCON_RCC_XTAL_MASK (0x1f << SYSCON_RCC_XTAL_SHIFT) # define SYSCON_RCC_XTAL1000KHZ ( 0 << SYSCON_RCC_XTAL_SHIFT) /* 1.0000MHz (NO PLL) */ # define SYSCON_RCC_XTAL1843KHZ ( 1 << SYSCON_RCC_XTAL_SHIFT) /* 1.8432MHz (NO PLL) */ # define SYSCON_RCC_XTAL2000KHZ ( 2 << SYSCON_RCC_XTAL_SHIFT) /* 2.0000MHz (NO PLL) */ @@ -322,6 +322,15 @@ # define SYSCON_RCC_XTAL7373KHZ (13 << SYSCON_RCC_XTAL_SHIFT) /* 7.3728MHz */ # define SYSCON_RCC_XTAL8000KHZ (14 << SYSCON_RCC_XTAL_SHIFT) /* 8.0000MHz */ # define SYSCON_RCC_XTAL8192KHZ (15 << SYSCON_RCC_XTAL_SHIFT) /* 8.1920MHz */ +#ifdef CONFIG_ARCH_CHIP_LM3S9B96 +# define SYSCON_RCC_XTAL10000KHZ (16 << SYSCON_RCC_XTAL_SHIFT) /* 10.0 MHz (USB) */ +# define SYSCON_RCC_XTAL12000KHZ (17 << SYSCON_RCC_XTAL_SHIFT) /* 12.0 MHz (USB) */ +# define SYSCON_RCC_XTAL12888KHZ (18 << SYSCON_RCC_XTAL_SHIFT) /* 12.288 MHz */ +# define SYSCON_RCC_XTAL13560KHZ (19 << SYSCON_RCC_XTAL_SHIFT) /* 13.56 MHz */ +# define SYSCON_RCC_XTAL14318KHZ (20 << SYSCON_RCC_XTAL_SHIFT) /* 14.31818 MHz */ +# define SYSCON_RCC_XTAL16000KHZ (21 << SYSCON_RCC_XTAL_SHIFT) /* 16.0 MHz (USB) */ +# define SYSCON_RCC_XTAL16384KHZ (22 << SYSCON_RCC_XTAL_SHIFT) /* 16.384 MHz */ +#endif #define SYSCON_RCC_BYPASS (1 << 11) /* Bit 11: PLL Bypass */ #define SYSCON_RCC_PWRDN (1 << 13) /* Bit 13: PLL Power Down */ #define SYSCON_RCC_USESYSDIV (1 << 22) /* Bit 22: Enable System Clock Divider */ diff --git a/nuttx/configs/ekk-lm3s9b96/Kconfig b/nuttx/configs/ekk-lm3s9b96/Kconfig index d2e4522cd..25af26f3c 100644 --- a/nuttx/configs/ekk-lm3s9b96/Kconfig +++ b/nuttx/configs/ekk-lm3s9b96/Kconfig @@ -3,5 +3,5 @@ # see misc/tools/kconfig-language.txt. # -if ARCH_BOARD_EKK_LM3S9B96 +if ARCH_BOARD_EKKLM3S9B96 endif diff --git a/nuttx/configs/ekk-lm3s9b96/include/board.h b/nuttx/configs/ekk-lm3s9b96/include/board.h index ef18b074d..2e6cd93f1 100644 --- a/nuttx/configs/ekk-lm3s9b96/include/board.h +++ b/nuttx/configs/ekk-lm3s9b96/include/board.h @@ -50,7 +50,7 @@ /* RCC settings */ -#define SYSCON_RCC_XTAL SYSCON_RCC_XTAL8000KHZ /* Eagle100 on-board crystall is 8.00 MHz */ +#define SYSCON_RCC_XTAL SYSCON_RCC_XTAL16000KHZ /* 16.000 MHz crystal */ #define XTAL_FREQUENCY 16000000 /* Oscillator source is the main oscillator (not internal, internal/4, 30KHz or @@ -65,7 +65,7 @@ */ #define LM3S_SYSDIV 4 -#define SYSCLK_FREQUENCY 80000000 /* 80MHz */ +#define SYSCLK_FREQUENCY 50000000 /* 50MHz */ /* Other RCC settings: * @@ -88,7 +88,7 @@ /* LED definitions ******************************************************************/ -/* The EKK-LMS3oB96 Eval Kit has only one user LED: Port D, Bit 0. Below is the mapping of this +/* The EKK-LMS39B96 Eval Kit has only one user LED: Port D, Bit 0. Below is the mapping of this * single LED. From this single LED, we can get the following information: * * OFF Steady: The system has failed to boot to the point of enabling interrupts diff --git a/nuttx/configs/ekk-lm3s9b96/src/ekklm3s9b96_internal.h b/nuttx/configs/ekk-lm3s9b96/src/ekklm3s9b96_internal.h index cb1cdb894..fd8ff3adb 100644 --- a/nuttx/configs/ekk-lm3s9b96/src/ekklm3s9b96_internal.h +++ b/nuttx/configs/ekk-lm3s9b96/src/ekklm3s9b96_internal.h @@ -1,119 +1,115 @@ -/************************************************************************************
- * configs/ekk-lm3s9b96/src/ekklm3s9b96_internal.h
- * arch/arm/src/board/lm3s6965ek_internal.n
- *
- * Copyright (C) 2012 Gregory Nutt. All rights reserved.
- * Authors: Gregory Nutt <gnutt@nuttx.org>
- * Jose Pablo Rojas V. <jrojas@nx-engineering.com>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ************************************************************************************/
-
-#ifndef __CONFIGS_EKK_LM3S9B96_SRC_EKKLM3S9B96_INTERNAL_H
-#define __CONFIGS_EKK_LM3S9B96_SRC_EKKLM3S9B96_INTERNAL_H
-
-/************************************************************************************
- * Included Files
- ************************************************************************************/
-
-#include <nuttx/config.h>
-#include <nuttx/compiler.h>
-
-#include "chip.h"
-
-/************************************************************************************
- * Definitions
- ************************************************************************************/
-
-/* How many SSI modules does this chip support? The LM3S9B96 supports 2 SSI
- * modules (others may support more than 2 -- in such case, the following must be
- * expanded).
- */
-
-#if LM3S_NSSI == 0
-# undef CONFIG_SSI0_DISABLE
-# define CONFIG_SSI0_DISABLE 1
-# undef CONFIG_SSI1_DISABLE
-# define CONFIG_SSI1_DISABLE 1
-#elif LM3S_NSSI == 1
-# undef CONFIG_SSI1_DISABLE
-# define CONFIG_SSI1_DISABLE 1
-#endif
-
-/* EKK-LM3S9B96 Eval Kit ************************************************************/
-
-/* GPIO Usage
- *
- * PIN SIGNAL EVB Function
- * --- ----------- ---------------------------------------
- * 26 PA0/U0RX Virtual COM port receive
- * 27 PA1/U0TX Virtual COM port transmit
- * 66 PB0/USB0ID USBID signal from the USB-On-the-Go
- * 67 PB1/USB0VBUS USB VBUS input signal from USB-OTG
- * 92 PB4/GPIO User pushbutton SW2.
- * 80 PC0/TCK/SWCLK JTAG or SWD clock input
- * 79 PC1/TMS/SWDIO JTAG TMS input or SWD bidirectional signal SWDIO
- * 78 PC2/TDI JTAG TDI signal input
- * 77 PC3/TDO/SWO JTAG TDO output or SWD trace signal SWO output.
- * 10 PD0/GPIO User LED
- * 60 PF2/LED1 Ethernet LED1 (yellow)
- * 59 PF3/LED0 Ethernet LED0 (green)
- * 83 PH3/USB0EPEN USB-OTG power switch
- * 76 PH4/USB0PFLT Overcurrent input status from USB-OTG power switch
- */
-
-/* GPIO for LED's:
- * - PD0: User LED
- * - PF2: LED1 (yellow)
- * - PF3: LED0 (green)
- */
-
-#define LED_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTD | 0)
-#define LED1_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTF | 2)
-#define LED0_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTF | 3)
-
-/************************************************************************************
- * Public Functions
- ************************************************************************************/
-
-#ifndef __ASSEMBLY__
-
-/************************************************************************************
- * Name: lm3s_ssiinitialize
- *
- * Description:
- * Called to configure SPI chip select GPIO pins for the LM3S6965 Eval Kit.
- *
- ************************************************************************************/
-
-extern void weak_function lm3s_ssiinitialize(void);
-
-#endif /* __ASSEMBLY__ */
-#endif /* __CONFIGS_EKK_LM3S9B96_SRC_EKKLM3S9B96_INTERNAL_H */
-
+/************************************************************************************ + * configs/ekk-lm3s9b96/src/ekklm3s9b96_internal.h + * arch/arm/src/board/lm3s6965ek_internal.n + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Authors: Gregory Nutt <gnutt@nuttx.org> + * Jose Pablo Rojas V. <jrojas@nx-engineering.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +#ifndef __CONFIGS_EKK_LM3S9B96_SRC_EKKLM3S9B96_INTERNAL_H +#define __CONFIGS_EKK_LM3S9B96_SRC_EKKLM3S9B96_INTERNAL_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/compiler.h> + +#include "chip.h" + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/* How many SSI modules does this chip support? The LM3S9B96 supports 2 SSI + * modules (others may support more than 2 -- in such case, the following must be + * expanded). + */ + +#if LM3S_NSSI == 0 +# undef CONFIG_SSI0_DISABLE +# define CONFIG_SSI0_DISABLE 1 +# undef CONFIG_SSI1_DISABLE +# define CONFIG_SSI1_DISABLE 1 +#elif LM3S_NSSI == 1 +# undef CONFIG_SSI1_DISABLE +# define CONFIG_SSI1_DISABLE 1 +#endif + +/* EKK-LM3S9B96 Eval Kit ************************************************************/ + +/* GPIO Usage + * + * PIN SIGNAL EVB Function + * --- ----------- --------------------------------------- + * 26 PA0/U0RX Virtual COM port receive + * 27 PA1/U0TX Virtual COM port transmit + * 66 PB0/USB0ID USBID signal from the USB-On-the-Go + * 67 PB1/USB0VBUS USB VBUS input signal from USB-OTG + * 92 PB4/GPIO User pushbutton SW2. + * 80 PC0/TCK/SWCLK JTAG or SWD clock input + * 79 PC1/TMS/SWDIO JTAG TMS input or SWD bidirectional signal SWDIO + * 78 PC2/TDI JTAG TDI signal input + * 77 PC3/TDO/SWO JTAG TDO output or SWD trace signal SWO output. + * 10 PD0/GPIO User LED + * 60 PF2/LED1 Ethernet LED1 (yellow) + * 59 PF3/LED0 Ethernet LED0 (green) + * 83 PH3/USB0EPEN USB-OTG power switch + * 76 PH4/USB0PFLT Overcurrent input status from USB-OTG power switch + */ + +/* GPIO for LED's: + * - PD0: User LED + */ + +#define LED_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTD | 0) + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +#ifndef __ASSEMBLY__ + +/************************************************************************************ + * Name: lm3s_ssiinitialize + * + * Description: + * Called to configure SPI chip select GPIO pins for the LM3S6965 Eval Kit. + * + ************************************************************************************/ + +extern void weak_function lm3s_ssiinitialize(void); + +#endif /* __ASSEMBLY__ */ +#endif /* __CONFIGS_EKK_LM3S9B96_SRC_EKKLM3S9B96_INTERNAL_H */ + diff --git a/nuttx/configs/ekk-lm3s9b96/src/up_boot.c b/nuttx/configs/ekk-lm3s9b96/src/up_boot.c index ff02af59a..95f8cba48 100644 --- a/nuttx/configs/ekk-lm3s9b96/src/up_boot.c +++ b/nuttx/configs/ekk-lm3s9b96/src/up_boot.c @@ -1,91 +1,91 @@ -/************************************************************************************
- * configs/ekk-lm3s9b96/src/up_boot.c
- * arch/arm/src/board/up_boot.c
- *
- * Copyright (C) 2012 Gregory Nutt. All rights reserved.
- * Authors: Gregory Nutt <gnutt@nuttx.org>
- * Jose Pablo Rojas V. <jrojas@nx-engineering.com>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ************************************************************************************/
-
-/************************************************************************************
- * Included Files
- ************************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <debug.h>
-
-#include <arch/board/board.h>
-
-#include "up_arch.h"
-#include "up_internal.h"
-#include "ekklm3s9b96_internal.h"
-
-/************************************************************************************
- * Definitions
- ************************************************************************************/
-
-/************************************************************************************
- * Private Functions
- ************************************************************************************/
-
-/************************************************************************************
- * Public Functions
- ************************************************************************************/
-
-/************************************************************************************
- * Name: lm3s_boardinitialize
- *
- * Description:
- * All LM3S architectures must provide the following entry point. This entry point
- * is called early in the intitialization -- after all memory has been configured
- * and mapped but before any devices have been initialized.
- ************************************************************************************/
-
-void lm3s_boardinitialize(void)
-{
- /* Configure SPI chip selects if 1) SSI is not disabled, and 2) the weak function
- * lm3s_ssiinitialize() has been brought into the link.
- */
-
-#if !defined(CONFIG_SSI0_DISABLE) || !defined(CONFIG_SSI1_DISABLE)
- if (lm3s_ssiinitialize)
- {
- lm3s_ssiinitialize();
- }
-#endif
-
- /* Configure on-board LEDs if LED support has been selected. */
-
-#ifdef CONFIG_ARCH_LEDS
- up_ledinit();
-#endif
-}
+/************************************************************************************ + * configs/ekk-lm3s9b96/src/up_boot.c + * arch/arm/src/board/up_boot.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Authors: Gregory Nutt <gnutt@nuttx.org> + * Jose Pablo Rojas V. <jrojas@nx-engineering.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> + +#include <debug.h> + +#include <arch/board/board.h> + +#include "up_arch.h" +#include "up_internal.h" +#include "ekklm3s9b96_internal.h" + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/************************************************************************************ + * Private Functions + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: lm3s_boardinitialize + * + * Description: + * All LM3S architectures must provide the following entry point. This entry point + * is called early in the intitialization -- after all memory has been configured + * and mapped but before any devices have been initialized. + ************************************************************************************/ + +void lm3s_boardinitialize(void) +{ + /* Configure SPI chip selects if 1) SSI is not disabled, and 2) the weak function + * lm3s_ssiinitialize() has been brought into the link. + */ + +#if !defined(CONFIG_SSI0_DISABLE) || !defined(CONFIG_SSI1_DISABLE) + if (lm3s_ssiinitialize) + { + lm3s_ssiinitialize(); + } +#endif + + /* Configure on-board LEDs if LED support has been selected. */ + +#ifdef CONFIG_ARCH_LEDS + up_ledinit(); +#endif +} diff --git a/nuttx/configs/ekk-lm3s9b96/src/up_ethernet.c b/nuttx/configs/ekk-lm3s9b96/src/up_ethernet.c index a8c70eabf..a1963f0d5 100644 --- a/nuttx/configs/ekk-lm3s9b96/src/up_ethernet.c +++ b/nuttx/configs/ekk-lm3s9b96/src/up_ethernet.c @@ -1,99 +1,99 @@ -/************************************************************************************
- * configs/lm3s6965-ek/src/up_ethernet.c
- * arch/arm/src/board/up_ethernet.c
- *
- * Copyright (C) 2012 Gregory Nutt. All rights reserved.
- * Authors: Gregory Nutt <gnutt@nuttx.org>
- * Jose Pablo Rojas V. <jrojas@nx-engineering.com>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ************************************************************************************/
-
-/************************************************************************************
- * Included Files
- ************************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <stdint.h>
-#include <debug.h>
-#include <assert.h>
-
-#include <arch/board/board.h>
-#include <net/ethernet.h>
-
-#include "up_arch.h"
-#include "chip.h"
-
-/************************************************************************************
- * Definitions
- ************************************************************************************/
-
-/************************************************************************************
- * Private Functions
- ************************************************************************************/
-
-/************************************************************************************
- * Public Functions
- ************************************************************************************/
-
-/************************************************************************************
- * Name: lm3s_ethernetmac
- *
- * Description:
- * For the Ethernet Eval Kits, the MAC address will be stored in the non-volatile
- * USER0 and USER1 registers. If CONFIG_LM3S_BOARDMAC is defined, this function
- * will obtain the MAC address from these registers.
- *
- ************************************************************************************/
-
-#ifdef CONFIG_LM3S_BOARDMAC
-void lm3s_ethernetmac(struct ether_addr *ethaddr)
-{
- uint32_t user0;
- uint32_t user1;
-
- /* Get the current value of the user registers */
-
- user0 = getreg32(LM3S_FLASH_USERREG0);
- user1 = getreg32(LM3S_FLASH_USERREG1);
-
- nlldbg("user: %06x:%06x\n", user1 & 0x00ffffff, user0 & 0x00ffffff);
- DEBUGASSERT(user0 != 0xffffffff && user1 != 0xffffffff);
-
- /* Re-format that MAC address the way that uIP expects to see it */
-
- ethaddr->ether_addr_octet[0] = ((user0 >> 0) & 0xff);
- ethaddr->ether_addr_octet[1] = ((user0 >> 8) & 0xff);
- ethaddr->ether_addr_octet[2] = ((user0 >> 16) & 0xff);
- ethaddr->ether_addr_octet[3] = ((user1 >> 0) & 0xff);
- ethaddr->ether_addr_octet[4] = ((user1 >> 8) & 0xff);
- ethaddr->ether_addr_octet[5] = ((user1 >> 16) & 0xff);
-}
-#endif
+/************************************************************************************ + * configs/lm3s6965-ek/src/up_ethernet.c + * arch/arm/src/board/up_ethernet.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Authors: Gregory Nutt <gnutt@nuttx.org> + * Jose Pablo Rojas V. <jrojas@nx-engineering.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <debug.h> +#include <assert.h> + +#include <arch/board/board.h> +#include <net/ethernet.h> + +#include "up_arch.h" +#include "chip.h" + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/************************************************************************************ + * Private Functions + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: lm3s_ethernetmac + * + * Description: + * For the Ethernet Eval Kits, the MAC address will be stored in the non-volatile + * USER0 and USER1 registers. If CONFIG_LM3S_BOARDMAC is defined, this function + * will obtain the MAC address from these registers. + * + ************************************************************************************/ + +#ifdef CONFIG_LM3S_BOARDMAC +void lm3s_ethernetmac(struct ether_addr *ethaddr) +{ + uint32_t user0; + uint32_t user1; + + /* Get the current value of the user registers */ + + user0 = getreg32(LM3S_FLASH_USERREG0); + user1 = getreg32(LM3S_FLASH_USERREG1); + + nlldbg("user: %06x:%06x\n", user1 & 0x00ffffff, user0 & 0x00ffffff); + DEBUGASSERT(user0 != 0xffffffff && user1 != 0xffffffff); + + /* Re-format that MAC address the way that uIP expects to see it */ + + ethaddr->ether_addr_octet[0] = ((user0 >> 0) & 0xff); + ethaddr->ether_addr_octet[1] = ((user0 >> 8) & 0xff); + ethaddr->ether_addr_octet[2] = ((user0 >> 16) & 0xff); + ethaddr->ether_addr_octet[3] = ((user1 >> 0) & 0xff); + ethaddr->ether_addr_octet[4] = ((user1 >> 8) & 0xff); + ethaddr->ether_addr_octet[5] = ((user1 >> 16) & 0xff); +} +#endif diff --git a/nuttx/configs/ekk-lm3s9b96/src/up_leds.c b/nuttx/configs/ekk-lm3s9b96/src/up_leds.c index 7838cedc1..5ed84c2d2 100644 --- a/nuttx/configs/ekk-lm3s9b96/src/up_leds.c +++ b/nuttx/configs/ekk-lm3s9b96/src/up_leds.c @@ -105,8 +105,6 @@ void up_ledinit(void) led_dumpgpio("up_ledinit before lm3s_configgpio()"); lm3s_configgpio(LED_GPIO); - lm3s_configgpio(LED0_GPIO); - lm3s_configgpio(LED1_GPIO); led_dumpgpio("up_ledinit after lm3s_configgpio()"); g_nest = 0; } @@ -133,7 +131,6 @@ void up_ledon(int led) case LED_STACKCREATED: led_dumpgpio("up_ledon: before lm3s_gpiowrite()"); lm3s_gpiowrite(LED_GPIO, false); - lm3s_gpiowrite(LED0_GPIO, false); led_dumpgpio("up_ledon: after lm3s_gpiowrite()"); break; } @@ -162,7 +159,6 @@ void up_ledoff(int led) { led_dumpgpio("up_ledoff: before lm3s_gpiowrite()"); lm3s_gpiowrite(LED_GPIO, true); - lm3s_gpiowrite(LED0_GPIO, true); led_dumpgpio("up_ledoff: after lm3s_gpiowrite()"); } break; diff --git a/nuttx/configs/ekk-lm3s9b96/src/up_nsh.c b/nuttx/configs/ekk-lm3s9b96/src/up_nsh.c index bde7e9c60..6f9aac6b1 100644 --- a/nuttx/configs/ekk-lm3s9b96/src/up_nsh.c +++ b/nuttx/configs/ekk-lm3s9b96/src/up_nsh.c @@ -45,9 +45,6 @@ #include <debug.h> #include <errno.h> -#include <nuttx/spi.h> -#include <nuttx/mmcsd.h> - /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ diff --git a/nuttx/configs/ekk-lm3s9b96/src/up_ssi.c b/nuttx/configs/ekk-lm3s9b96/src/up_ssi.c index 6a9e92c95..879a6669d 100644 --- a/nuttx/configs/ekk-lm3s9b96/src/up_ssi.c +++ b/nuttx/configs/ekk-lm3s9b96/src/up_ssi.c @@ -1,162 +1,162 @@ -/************************************************************************************
- * configs/ekk-lm3s9b96/src/up_ssi.c
- * arch/arm/src/board/up_ssi.c
- *
- * Copyright (C) 2012 Gregory Nutt. All rights reserved.
- * Authors: Gregory Nutt <gnutt@nuttx.org>
- * Jose Pablo Rojas V. <jrojas@nx-engineering.com>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ************************************************************************************/
-
-/************************************************************************************
- * Included Files
- ************************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <stdint.h>
-#include <stdbool.h>
-#include <debug.h>
-
-#include <nuttx/spi.h>
-#include <arch/board/board.h>
-
-#include "up_arch.h"
-#include "chip.h"
-#include "lm3s_internal.h"
-#include "ekklm3s9b96_internal.h"
-
-#if !defined(CONFIG_SSI0_DISABLE) || !defined(CONFIG_SSI1_DISABLE)
-
-/************************************************************************************
- * Definitions
- ************************************************************************************/
-
-/* Enables debug output from this file (needs CONFIG_DEBUG too) */
-
-#undef SSI_DEBUG /* Define to enable debug */
-#undef SSI_VERBOSE /* Define to enable verbose debug */
-
-#ifdef SSI_DEBUG
-# define ssidbg lldbg
-# ifdef SSI_VERBOSE
-# define ssivdbg lldbg
-# else
-# define ssivdbg(x...)
-# endif
-#else
-# undef SSI_VERBOSE
-# define ssidbg(x...)
-# define ssivdbg(x...)
-#endif
-
-/* Dump GPIO registers */
-
-#ifdef SSI_VERBOSE
-#if 0
-# define ssi_dumpgpio(m) lm3s_dumpgpio(SDCCS_GPIO, m)
-#endif
-#else
-# define ssi_dumpgpio(m)
-#endif
-
-/************************************************************************************
- * Private Functions
- ************************************************************************************/
-
-/************************************************************************************
- * Public Functions
- ************************************************************************************/
-
-/************************************************************************************
- * Name: lm3s_ssiinitialize
- *
- * Description:
- * Called to configure SPI chip select GPIO pins for the LM3S6965 Eval Kit.
- *
- ************************************************************************************/
-
-void weak_function lm3s_ssiinitialize(void)
-{
- /* Configure the SPI CS GPIO */
-#if 0
- ssi_dumpgpio("lm3s_ssiinitialize() Entry)");
- ssi_dumpgpio("lm3s_ssiinitialize() Exit");
-#endif
-}
-
-#if 0
-/****************************************************************************
- * The external functions, lm3s_spiselect and lm3s_spistatus must be provided
- * by board-specific logic. The are implementations of the select and status
- * methods SPI interface defined by struct spi_ops_s (see include/nuttx/spi.h).
- * All othermethods (including up_spiinitialize()) are provided by common
- * logic. To use this common SPI logic on your board:
- *
- * 1. Provide lm3s_spiselect() and lm3s_spistatus() functions in your
- * board-specific logic. This function will perform chip selection and
- * status operations using GPIOs in the way your board is configured.
- * 2. Add a call to up_spiinitialize() in your low level initialization
- * logic
- * 3. The handle returned by up_spiinitialize() may then be used to bind the
- * SPI driver to higher level logic (e.g., calling
- * mmcsd_spislotinitialize(), for example, will bind the SPI driver to
- * the SPI MMC/SD driver).
- *
- ****************************************************************************/
-
-void lm3s_spiselect(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected)
-{
- ssidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");
- ssi_dumpgpio("lm3s_spiselect() Entry");
- if (devid == SPIDEV_MMCSD)
- {
- /* Assert the CS pin to the card */
-
- lm3s_gpiowrite(SDCCS_GPIO, !selected);
- }
-#ifdef CONFIG_NX_LCDDRIVER
- else if (devid == SPIDEV_DISPLAY)
- {
- /* Assert the CS pin to the display */
-
- lm3s_gpiowrite(OLEDCS_GPIO, !selected);
- }
-#endif
- ssi_dumpgpio("lm3s_spiselect() Exit");
-}
-
-uint8_t lm3s_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
-{
- ssidbg("Returning SPI_STATUS_PRESENT\n");
- return SPI_STATUS_PRESENT;
-}
-#endif
-#endif /* !CONFIG_SSI0_DISABLE || !CONFIG_SSI1_DISABLE */
+/************************************************************************************ + * configs/ekk-lm3s9b96/src/up_ssi.c + * arch/arm/src/board/up_ssi.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Authors: Gregory Nutt <gnutt@nuttx.org> + * Jose Pablo Rojas V. <jrojas@nx-engineering.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> +#include <debug.h> + +#include <nuttx/spi.h> +#include <arch/board/board.h> + +#include "up_arch.h" +#include "chip.h" +#include "lm3s_internal.h" +#include "ekklm3s9b96_internal.h" + +#if !defined(CONFIG_SSI0_DISABLE) || !defined(CONFIG_SSI1_DISABLE) + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/* Enables debug output from this file (needs CONFIG_DEBUG too) */ + +#undef SSI_DEBUG /* Define to enable debug */ +#undef SSI_VERBOSE /* Define to enable verbose debug */ + +#ifdef SSI_DEBUG +# define ssidbg lldbg +# ifdef SSI_VERBOSE +# define ssivdbg lldbg +# else +# define ssivdbg(x...) +# endif +#else +# undef SSI_VERBOSE +# define ssidbg(x...) +# define ssivdbg(x...) +#endif + +/* Dump GPIO registers */ + +#ifdef SSI_VERBOSE +#if 0 +# define ssi_dumpgpio(m) lm3s_dumpgpio(SDCCS_GPIO, m) +#endif +#else +# define ssi_dumpgpio(m) +#endif + +/************************************************************************************ + * Private Functions + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: lm3s_ssiinitialize + * + * Description: + * Called to configure SPI chip select GPIO pins for the LM3S6965 Eval Kit. + * + ************************************************************************************/ + +void weak_function lm3s_ssiinitialize(void) +{ + /* Configure the SPI CS GPIO */ +#if 0 + ssi_dumpgpio("lm3s_ssiinitialize() Entry"); + ssi_dumpgpio("lm3s_ssiinitialize() Exit"); +#endif +} + +#if 0 +/**************************************************************************** + * The external functions, lm3s_spiselect and lm3s_spistatus must be provided + * by board-specific logic. The are implementations of the select and status + * methods SPI interface defined by struct spi_ops_s (see include/nuttx/spi.h). + * All othermethods (including up_spiinitialize()) are provided by common + * logic. To use this common SPI logic on your board: + * + * 1. Provide lm3s_spiselect() and lm3s_spistatus() functions in your + * board-specific logic. This function will perform chip selection and + * status operations using GPIOs in the way your board is configured. + * 2. Add a call to up_spiinitialize() in your low level initialization + * logic + * 3. The handle returned by up_spiinitialize() may then be used to bind the + * SPI driver to higher level logic (e.g., calling + * mmcsd_spislotinitialize(), for example, will bind the SPI driver to + * the SPI MMC/SD driver). + * + ****************************************************************************/ + +void lm3s_spiselect(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected) +{ + ssidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert"); + ssi_dumpgpio("lm3s_spiselect() Entry"); + if (devid == SPIDEV_MMCSD) + { + /* Assert the CS pin to the card */ + + lm3s_gpiowrite(SDCCS_GPIO, !selected); + } +#ifdef CONFIG_NX_LCDDRIVER + else if (devid == SPIDEV_DISPLAY) + { + /* Assert the CS pin to the display */ + + lm3s_gpiowrite(OLEDCS_GPIO, !selected); + } +#endif + ssi_dumpgpio("lm3s_spiselect() Exit"); +} + +uint8_t lm3s_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid) +{ + ssidbg("Returning SPI_STATUS_PRESENT\n"); + return SPI_STATUS_PRESENT; +} +#endif +#endif /* !CONFIG_SSI0_DISABLE || !CONFIG_SSI1_DISABLE */ |