46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
#define MBAR_GPIO 0x80000000
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#define GPIO_FUNC_SEL0 0x80000018 /* GPIO 15 - 0; 2 bit blocks */
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#define GPIO_FUNC_SEL1 0x8000001c
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#define GPIO_FUNC_SEL2 0x80000020
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#define GPIO_FUNC_SEL3 0x80000024
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#define GPIO_PAD_DIR0 0x80000000
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#define GPIO_DATA0 0x80000008
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#define GPIO_PAD_DIR1 0x80000004
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#define GPIO_DATA1 0x8000000c
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#define UART1_DATA 0x80005008
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#define DELAY 400000
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#include "embedded_types.h"
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#include "isr.h"
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#include "led.h"
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#define LED_BITS LED_WHITE
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__attribute__ ((section ("startup")))
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void main(void) {
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*(volatile uint32_t *)GPIO_FUNC_SEL0 = 0xffffffff;
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*(volatile uint32_t *)GPIO_FUNC_SEL1 = 0xffffffff;
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*(volatile uint32_t *)GPIO_FUNC_SEL2 = 0xffffffff;
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*(volatile uint32_t *)GPIO_FUNC_SEL3 = 0xffffffff;
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*(volatile uint32_t *)GPIO_PAD_DIR0 = 0xffffffff;
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*(volatile uint32_t *)GPIO_PAD_DIR1 = 0xffffffff;
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volatile uint32_t i;
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while(1) {
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*(volatile uint32_t *)GPIO_DATA0 = 0xffffffff;
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*(volatile uint32_t *)GPIO_DATA1 = 0xffffffff;
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for(i=0; i<DELAY; i++) { continue; }
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*(volatile uint32_t *)GPIO_DATA0 = 0x00000000;
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*(volatile uint32_t *)GPIO_DATA1 = 0x00000000;
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for(i=0; i<DELAY; i++) { continue; }
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};
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}
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