85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
//*****************************************************************************
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//
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//! @file main.c
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//!
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//! @brief A simple LED blinking example.
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//!
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//
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//*****************************************************************************
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/*
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Copyright (c) 2019 SparkFun Electronics
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "am_mcu_apollo.h"
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#include "am_bsp.h"
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#include "am_util.h"
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#define BLINK_PERIOD 500
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//*****************************************************************************
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//
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// Main
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//
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//*****************************************************************************
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int
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main(void)
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{
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// Set the clock frequency.
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am_hal_clkgen_control(AM_HAL_CLKGEN_CONTROL_SYSCLK_MAX, 0);
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// Set the default cache configuration
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am_hal_cachectrl_config(&am_hal_cachectrl_defaults);
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am_hal_cachectrl_enable();
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// Configure the board for low power operation.
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am_bsp_low_power_init();
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// Set up BSP leds
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#ifdef AM_BSP_NUM_LEDS
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uint32_t ux, ui32GPIONumber;
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for (ux = 0; ux < AM_BSP_NUM_LEDS; ux++) {
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ui32GPIONumber = am_bsp_psLEDs[ux].ui32GPIONumber;
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am_hal_gpio_pinconfig(ui32GPIONumber, g_AM_HAL_GPIO_OUTPUT);
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am_devices_led_off(am_bsp_psLEDs, ux);
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}
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#endif // AM_BSP_NUM_LEDS
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bool led_state = false;
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// Blink forever
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while (1)
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{
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// Toggle LEDs
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#ifdef AM_BSP_NUM_LEDS
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led_state = !led_state;
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uint32_t ux;
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for (ux = 0; ux < AM_BSP_NUM_LEDS; ux++) {
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ui32GPIONumber = am_bsp_psLEDs[ux].ui32GPIONumber;
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(led_state) ? am_devices_led_on(am_bsp_psLEDs, ux) : am_devices_led_off(am_bsp_psLEDs, ux);
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}
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#endif // AM_BSP_NUM_LEDS
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// Delay
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am_util_delay_ms(BLINK_PERIOD);
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}
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}
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