Add KBOOT.

apps/led_demo/MKL25Z4/src/main.c

@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2013, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o 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.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. 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 HOLDER 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.
+ */
+
+#include "fsl_device_registers.h"
+#include "milliseconds_delay.h"
+
+#define LED0_OFFSET 5
+#define LED1_OFFSET 16
+#define LED2_OFFSET 17
+
+#define DELAY_1MS (1000)
+
+static void init_hardware(void)
+{
+    SIM->SCGC5 |= (SIM_SCGC5_PORTA_MASK | SIM_SCGC5_PORTB_MASK | SIM_SCGC5_PORTC_MASK | SIM_SCGC5_PORTD_MASK |
+                   SIM_SCGC5_PORTE_MASK);
+
+    SIM->SOPT2 |= SIM_SOPT2_PLLFLLSEL_MASK; // set PLLFLLSEL to select the PLL for this clock source
+
+#if defined(TOWER)
+
+    PORTA->PCR[5] = PORT_PCR_MUX(1);
+    PORTA->PCR[16] = PORT_PCR_MUX(1);
+    PORTA->PCR[17] = PORT_PCR_MUX(1);
+
+    FPTA->PDDR |= (1 << LED0_OFFSET) | (1 << LED1_OFFSET) | (1 << LED2_OFFSET);
+
+#elif defined(FREEDOM)
+    PORTB->PCR[18] = PORT_PCR_MUX(1); // Set Pin B18 to GPIO function
+    PORTB->PCR[19] = PORT_PCR_MUX(1); // Set Pin B19 to GPIO function
+    PORTD->PCR[1] = PORT_PCR_MUX(1);  // Set Pin D1 to GPIO function
+    FPTB->PDDR |= (1 << 18);          // Red LED, Negative Logic (0=on, 1=off)
+    FPTB->PDDR |= (1 << 19);          // Green LED, Negative Logic (0=on, 1=off)
+    FPTD->PDDR |= (1 << 1);           // Blue LED, Negative Logic (0=on, 1=off)
+
+#endif // FREEDOM
+}
+
+#define LED0 1
+#define LED1 2
+#define LED2 4
+
+#if defined(TOWER)
+
+static void led_toggle(uint32_t leds)
+{
+    if (leds & LED0)
+    {
+        FPTA->PTOR |= (1 << LED0_OFFSET);
+    }
+    if (leds & LED1)
+    {
+        FPTA->PTOR |= (1 << LED1_OFFSET);
+    }
+    if (leds & LED2)
+    {
+        FPTA->PTOR |= (1 << LED2_OFFSET);
+    }
+}
+
+#elif defined(FREEDOM)
+
+// RGB-LED Control: 1=on, 0=off, for each of the 3 colors
+void RGB(int32_t Red, int32_t Green, int32_t Blue)
+{
+    if (Red == 1)
+        FPTB->PCOR |= (1 << 18);
+    else
+        FPTB->PSOR |= (1 << 18);
+
+    if (Green == 1)
+        FPTB->PCOR |= (1 << 19);
+    else
+        FPTB->PSOR |= (1 << 19);
+
+    if (Blue == 1)
+        FPTD->PCOR |= (1 << 1);
+    else
+        FPTD->PSOR |= (1 << 1);
+}
+
+#endif // FREEDOM
+
+void delay(void)
+{
+    volatile uint32_t delayTicks = 2000000;
+
+    while (delayTicks--)
+    {
+        __ASM("nop");
+    }
+}
+
+int main(void)
+{
+    init_hardware();
+    // Note: for ROM development, use this version of delay function,
+    // Which is in order to test if the VTCOR is correct.
+    milliseconds_delay_init();
+
+#if defined(TOWER)
+
+    uint32_t leds = LED0;
+    while (1)
+    {
+        led_toggle(leds);
+        milliseconds_delay(DELAY_1MS);
+        led_toggle(leds);
+
+        leds <<= 1;
+        if (leds > LED2)
+        {
+            leds = LED0;
+        }
+    }
+
+#elif defined(FREEDOM)
+
+    RGB(0, 0, 0); // Start with all LEDs off
+
+    while (1)
+    {
+        RGB(1, 0, 0);
+        milliseconds_delay(DELAY_1MS);
+        RGB(0, 1, 0);
+        milliseconds_delay(DELAY_1MS);
+        RGB(0, 0, 1);
+        milliseconds_delay(DELAY_1MS);
+    }
+
+#endif // FREEDOM
+}