Diff: gpio/gpio.h

Revision:

0:0a841b89d614

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gpio/gpio.h	Mon Oct 11 10:34:55 2010 +0000
@@ -0,0 +1,135 @@
+/****************************************************************************
+ *    Copyright 2010 Andy Kirkham, Stellar Technologies Ltd
+ *    
+ *    This file is part of the Satellite Observers Workbench (SOWB).
+ *
+ *    SOWB is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    SOWB is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with SOWB.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *    $Id: main.cpp 5 2010-07-12 20:51:11Z ajk $
+ *    
+ ***************************************************************************/
+ 
+#ifndef GPIO_H
+#define GPIO_H
+
+/* Switch on our macros to use the 4 LEDs on the Mbed. */
+#define MBED_LEDS
+ 
+/* Used by the MAX7456 module. 
+   The MAX7456 !cs signal is connected to Mbed pin 8
+   which is internally connected to Port0.6 */
+#define SET_P0_06       (LPC_GPIO0->FIOSET = (1UL << 6))
+#define CLR_P0_06       (LPC_GPIO0->FIOCLR = (1UL << 6))
+#define VAL_P0_06       (LPC_GPIO0->FIOPIN & (1UL << 6))
+#define MAX7456_CS_ASSERT      CLR_P0_06
+#define MAX7456_CS_DEASSERT    SET_P0_06
+#define MAX7456_CS_VALUE       VAL_P0_06
+#define MAX7456_CS_TOGGLE      MAX7456_CS_VALUE ? MAX7456_CS_DEASSERT : MAX7456_CS_ASSERT
+
+/* Used by the MAX7456 module. 
+   The MAX7456 !rst signal is connected to Mbed pin 20
+   which is internally connected to Port1.31 */
+#define SET_P1_31      (LPC_GPIO1->FIOSET = (1UL << 31))
+#define CLR_P1_31      (LPC_GPIO1->FIOCLR = (1UL << 31))
+#define VAL_P1_31      (LPC_GPIO1->FIOPIN & (1UL << 31))
+#define MAX7456_RST_ASSERT     CLR_P1_31
+#define MAX7456_RST_DEASSERT   SET_P1_31
+#define MAX7456_RST_VALUE      VAL_P1_31
+#define MAX7456_RST_TOGGLE     MAX7456_RST_VALUE ? MAX7456_RST_DEASSERT : MAX7456_RST_ASSERT
+#define SSP0_CS_ASSERT         CLR_P1_31
+#define SSP0_CS_DEASSERT       SET_P1_31
+#define SSP0_CS_VALUE          VAL_P1_31
+#define SSP0_CS_TOGGLE         MAX7456_RST_VALUE ? MAX7456_RST_DEASSERT : MAX7456_RST_ASSERT
+
+/* Used by the flash module. 
+   The flash !cs signal is connected to Mbed pin 14
+   which is internally connected to Port0.16 */
+#define SET_P0_16      (LPC_GPIO0->FIOSET = (1UL << 16))
+#define CLR_P0_16      (LPC_GPIO0->FIOCLR = (1UL << 16))
+#define VAL_P0_16      (LPC_GPIO0->FIOPIN & (1UL << 16))
+#define FLASH_CS_ASSERT         CLR_P0_16
+#define FLASH_CS_DEASSERT       SET_P0_16
+#define FLASH_CS_VALUE          VAL_P0_16
+#define FLASH_CS_TOGGLE         FLASH_CS_VALUE ? FLASH_CS_DEASSERT : FLASH_CS_ASSERT
+
+/* Used by the 25AA02E48 module. 
+   The device !cs signal is connected to Mbed pin 16
+   which is internally connected to Port0.24 */
+#define SET_P0_24      (LPC_GPIO0->FIOSET = (1UL << 24))
+#define CLR_P0_24      (LPC_GPIO0->FIOCLR = (1UL << 24))
+#define VAL_P0_24      (LPC_GPIO0->FIOPIN & (1UL << 24))
+#define AA02E48_CS_ASSERT       CLR_P0_24
+#define AA02E48_CS_DEASSERT     SET_P0_24
+#define AA02E48_CS_VALUE        VAL_P0_24
+#define AA02E48_CS_TOGGLE       AA02E48_CS_VALUE ? AA02E48_CS_DEASSERT : AA02E48_CS_ASSERT
+
+/* Used by the SD card. 
+   The device !cs signal is connected to Mbed pin 19
+   which is internally connected to Port1.30 */
+#define SET_P1_30      (LPC_GPIO1->FIOSET = (1UL << 30))
+#define CLR_P1_30      (LPC_GPIO1->FIOCLR = (1UL << 30))
+#define VAL_P1_30      (LPC_GPIO1->FIOPIN & (1UL << 30))
+#define SDCARD_CS_ASSERT       CLR_P1_30
+#define SDCARD_CS_DEASSERT     SET_P1_30
+#define SDCARD_CS_VALUE        VAL_P1_30
+#define SDCARD_CS_TOGGLE       SDCARD_CS_VALUE ? SDCARD_CS_DEASSERT : SDCARD_CS_ASSERT
+
+/* Used for reading the SD Card detect pin. */
+#define SDCARD_DETECT   (LPC_GPIO0->FIOPIN & (1UL << 25))       
+
+/* For debugging. 
+   Mbed pin 21 which is internally connected to Port2.5 */
+#define SET_P2_05      (LPC_GPIO2->FIOSET = (1UL << 5))
+#define CLR_P2_05      (LPC_GPIO2->FIOCLR = (1UL << 5))
+#define VAL_P2_05      (LPC_GPIO2->FIOPIN & (1UL << 5))
+#define P21_ASSERT     SET_P2_05
+#define P21_DEASSERT   CLR_P2_05
+#define P21_VALUE      VAL_P2_05
+#define P21_TOGGLE     P21_VALUE ? P21_DEASSERT : P21_ASSERT
+
+/* For debugging. 
+   Mbed pin 22 which is internally connected to Port2.4 */
+#define SET_P2_04      (LPC_GPIO2->FIOSET = (1UL << 4))
+#define CLR_P2_04      (LPC_GPIO2->FIOCLR = (1UL << 4))
+#define VAL_P2_04      (LPC_GPIO2->FIOPIN & (1UL << 4))
+#define P22_ASSERT     SET_P2_04
+#define P22_DEASSERT   CLR_P2_04
+#define P22_VALUE      VAL_P2_04
+#define P22_TOGGLE     P22_VALUE ? P22_DEASSERT : P22_ASSERT
+
+#ifdef MBED_LEDS
+#define LED1_ON        (LPC_GPIO1->FIOSET = (1UL << 18))
+#define LED1_OFF       (LPC_GPIO1->FIOCLR = (1UL << 18))
+#define LED1_IS_ON     (LPC_GPIO1->FIOPIN & (1UL << 18))
+#define LED1_TOGGLE    LED1_IS_ON ? LED1_OFF : LED1_ON
+#define LED2_ON        (LPC_GPIO1->FIOSET = (1UL << 20))
+#define LED2_OFF       (LPC_GPIO1->FIOCLR = (1UL << 20))
+#define LED2_IS_ON     (LPC_GPIO1->FIOPIN & (1UL << 20))
+#define LED2_TOGGLE    LED2_IS_ON ? LED2_OFF : LED2_ON
+#define LED3_ON        (LPC_GPIO1->FIOSET = (1UL << 21))
+#define LED3_OFF       (LPC_GPIO1->FIOCLR = (1UL << 21))
+#define LED3_IS_ON     (LPC_GPIO1->FIOPIN & (1UL << 21))
+#define LED3_TOGGLE    LED3_IS_ON ? LED3_OFF : LED3_ON
+#define LED4_ON        (LPC_GPIO1->FIOSET = (1UL << 23))
+#define LED4_OFF       (LPC_GPIO1->FIOCLR = (1UL << 23))
+#define LED4_IS_ON     (LPC_GPIO1->FIOPIN & (1UL << 23))
+#define LED4_TOGGLE    LED4_IS_ON ? LED4_OFF : LED4_ON
+#endif
+ 
+/* Function prototypes. */
+void gpio_init(void);
+void gpio_process(void);
+ 
+#endif
+ 
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