60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
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#include <stdint.h>
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#include "../include/timer.h"
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void timer0_start(uint8_t en)
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{
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if (en)
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TIMER0_REG(TIMER_CTRL_REG_OFFSET) |= 1 << TIMER_CTRL_EN_BIT;
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else
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TIMER0_REG(TIMER_CTRL_REG_OFFSET) &= ~(1 << TIMER_CTRL_EN_BIT);
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}
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void timer0_set_value(uint32_t val)
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{
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TIMER0_REG(TIMER_VALUE_REG_OFFSET) = val;
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}
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void timer0_set_int_enable(uint8_t en)
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{
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if (en)
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TIMER0_REG(TIMER_CTRL_REG_OFFSET) |= 1 << TIMER_CTRL_INT_EN_BIT;
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else
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TIMER0_REG(TIMER_CTRL_REG_OFFSET) &= ~(1 << TIMER_CTRL_INT_EN_BIT);
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}
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void timer0_clear_int_pending()
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{
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TIMER0_REG(TIMER_CTRL_REG_OFFSET) |= 1 << TIMER_CTRL_INT_PENDING_BIT;
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}
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uint8_t timer0_get_int_pending()
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{
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if (TIMER0_REG(TIMER_CTRL_REG_OFFSET) & (1 << TIMER_CTRL_INT_PENDING_BIT))
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return 1;
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else
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return 0;
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}
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uint32_t timer0_get_current_count()
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{
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return TIMER0_REG(TIMER_COUNT_REG_OFFSET);
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}
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void timer0_set_mode_auto_reload()
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{
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TIMER0_REG(TIMER_CTRL_REG_OFFSET) |= 1 << TIMER_CTRL_MODE_BIT;
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}
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void timer0_set_mode_ontshot()
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{
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TIMER0_REG(TIMER_CTRL_REG_OFFSET) &= ~(1 << TIMER_CTRL_MODE_BIT);
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}
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void timer0_set_div(uint32_t div)
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{
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TIMER0_REG(TIMER_CTRL_REG_OFFSET) &= ~(TIMER_CTRL_CLK_DIV_MASK << TIMER_CTRL_CLK_DIV_OFFSET);
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TIMER0_REG(TIMER_CTRL_REG_OFFSET) |= div << TIMER_CTRL_CLK_DIV_OFFSET;
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}
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