Add KBOOT.

apps/led_demo/MKS22F25612/src/main.c

@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2015, 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 LED1_OFFSET 3
+#define LED2_OFFSET 9
+#define LED3_OFFSET 10
+#define LED4_OFFSET 11
+
+#define LED1 (1) // green
+#define LED2 (2) // yellow
+#define LED3 (4) // orange
+#define LED4 (8) // blue
+
+#define LED1_GPIO (GPIOB)
+#define LED2_GPIO (GPIOB)
+#define LED3_GPIO (GPIOB)
+#define LED4_GPIO (GPIOB)
+
+#define LED1_PORT (PORTB)
+#define LED2_PORT (PORTB)
+#define LED3_PORT (PORTB)
+#define LED4_PORT (PORTB)
+
+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);
+
+    // Enable the LED pins GPIO
+    LED1_PORT->PCR[LED1_OFFSET] = PORT_PCR_MUX(1);
+    LED2_PORT->PCR[LED2_OFFSET] = PORT_PCR_MUX(1);
+    LED3_PORT->PCR[LED3_OFFSET] = PORT_PCR_MUX(1);
+    LED4_PORT->PCR[LED4_OFFSET] = PORT_PCR_MUX(1);
+
+    // Set ports to outputs
+    PTB->PDDR |= (1 << LED1_OFFSET) | (1 << LED2_OFFSET) | (1 << LED3_OFFSET) | (1 << LED4_OFFSET);
+}
+
+static void led_toggle(uint32_t leds)
+{
+    if (leds & LED1)
+    {
+        LED1_GPIO->PTOR |= (1 << LED1_OFFSET);
+    }
+    if (leds & LED2)
+    {
+        LED2_GPIO->PTOR |= (1 << LED2_OFFSET);
+    }
+    if (leds & LED3)
+    {
+        LED3_GPIO->PTOR |= (1 << LED3_OFFSET);
+    }
+    if (leds & LED4)
+    {
+        LED4_GPIO->PTOR |= (1 << LED4_OFFSET);
+    }
+}
+
+int main(void)
+{
+    init_hardware();
+    milliseconds_delay_init();
+    uint32_t leds = LED1;
+    while (1)
+    {
+        led_toggle(leds);
+        milliseconds_delay(500);
+        led_toggle(leds);
+
+        leds <<= 1;
+        if (leds > LED4)
+        {
+            leds = LED1;
+        }
+    }
+}