Renamed main folder to firmware

2026-03-16 21:28:33 +03:00 · 2015-04-07 18:24:06 +02:00
parent f5cd7efede
commit 5a67c0fef3
326 changed files with 0 additions and 0 deletions
--- a/firmware/atmel_softpack_libraries/libboard_sam3s-ek/source/lcdd.c
+++ b/firmware/atmel_softpack_libraries/libboard_sam3s-ek/source/lcdd.c
@@ -0,0 +1,140 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2009, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ * \file
+ *
+ * Implementation of LCD driver, Include LCD initialization,
+ * LCD on/off and LCD backlight control.
+ *
+ */
+
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+#include "board.h"
+
+#include <stdint.h>
+
+/*----------------------------------------------------------------------------
+ *        Exported functions
+ *----------------------------------------------------------------------------*/
+
+/**
+ * \brief Initializes the LCD controller.
+ * Configure SMC to access LCD controller at 64MHz MCK.
+ */
+extern void LCDD_Initialize( void )
+{
+    const Pin pPins[] = {BOARD_LCD_PINS};
+    Smc *pSmc = SMC;
+
+    /* Enable pins */
+    PIO_Configure(pPins, PIO_LISTSIZE(pPins));
+
+    /* Enable peripheral clock */
+    PMC_EnablePeripheral( ID_SMC ) ;
+
+    /* EBI SMC Configuration */
+    pSmc->SMC_CS_NUMBER[1].SMC_SETUP = SMC_SETUP_NWE_SETUP(2)
+                                     | SMC_SETUP_NCS_WR_SETUP(2)
+                                     | SMC_SETUP_NRD_SETUP(2)
+                                     | SMC_SETUP_NCS_RD_SETUP(2);
+
+    pSmc->SMC_CS_NUMBER[1].SMC_PULSE = SMC_PULSE_NWE_PULSE(4)
+                                     | SMC_PULSE_NCS_WR_PULSE(4)
+                                     | SMC_PULSE_NRD_PULSE(10)
+                                     | SMC_PULSE_NCS_RD_PULSE(10);
+
+    pSmc->SMC_CS_NUMBER[1].SMC_CYCLE = SMC_CYCLE_NWE_CYCLE(10)
+                                     | SMC_CYCLE_NRD_CYCLE(22);
+
+    pSmc->SMC_CS_NUMBER[1].SMC_MODE = SMC_MODE_READ_MODE
+                                    | SMC_MODE_WRITE_MODE
+                                    | SMC_MODE_DBW_8_BIT;
+
+    /* Initialize LCD controller */
+    LCD_Initialize() ;
+
+    /* Initialize LCD controller */
+    LCD_SetDisplayPortrait( 0 ) ;
+
+    /* Set LCD backlight */
+    LCDD_SetBacklight( 2 ) ;
+}
+
+/**
+ * \brief Turn on the LCD.
+ */
+void LCDD_On(void)
+{
+    LCD_On();
+}
+
+/**
+ * \brief Turn off the LCD.
+ */
+void LCDD_Off(void)
+{
+    LCD_Off();
+}
+
+/**
+ * \brief Set the backlight of the LCD.
+ *
+ * \param level   Backlight brightness level [1..16], 1 means maximum brightness.
+ */
+void LCDD_SetBacklight (uint32_t level)
+{
+    uint32_t i;
+    const Pin pPins[] = {BOARD_BACKLIGHT_PIN};
+
+    /* Ensure valid level */
+    level = (level < 1) ? 1 : level;
+    level = (level > 16) ? 16 : level;
+
+    /* Enable pins */
+    PIO_Configure(pPins, PIO_LISTSIZE(pPins));
+
+    /* Switch off backlight */
+    PIO_Clear(pPins);
+    i = 600 * (BOARD_MCK / 1000000);    /* wait for at least 500us */
+    while(i--);
+
+    /* Set new backlight level */
+    for (i = 0; i < level; i++) {
+        PIO_Clear(pPins);
+        PIO_Clear(pPins);
+        PIO_Clear(pPins);
+
+        PIO_Set(pPins);
+        PIO_Set(pPins);
+        PIO_Set(pPins);
+    }
+}