timer.c
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#include <minix/syslib.h> |
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#include <minix/drivers.h> |
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|
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int timer_set_rate(unsigned long timer, unsigned long rate) { |
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if(timer==0) |
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{
|
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sys_outb(TIMER_CTRL,(TIMER_SQR_WAVE|TIMER_0|TIMER_LSB_MSB| |
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TIMER_BIN)); |
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sys_outb(TIMER_0,((rate) & 0xFF)); /* LSB */ |
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sys_outb(TIMER_0,((rate) >> 8)); /* MSB */ |
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return 0; |
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} |
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else if(timer==1) |
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{
|
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sys_outb(TIMER_CTRL,(TIMER_SQR_WAVE|TIMER_1|TIMER_LSB_MSB| |
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TIMER_BIN)); |
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sys_outb(TIMER_1,((rate) & 0xFF)); /* LSB */ |
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sys_outb(TIMER_1,((rate) >> 8)); /* MSB */ |
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return 0; |
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} |
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else if(timer==2) |
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{
|
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sys_outb(TIMER_CTRL,(TIMER_SQR_WAVE|TIMER_2|TIMER_LSB_MSB| |
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TIMER_BIN)); |
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sys_outb(TIMER_2,((rate) & 0xFF)); /* LSB */ |
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sys_outb(TIMER_2,((rate) >> 8)); /* MSB */ |
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return 0; |
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} |
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|
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int timer_get_status(unsigned long timer, u8_t *st) { |
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/* To complete ... */
|
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} |
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|
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int timer_show_status(unsigned long timer) { |
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/* To complete ... */
|
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} |
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|
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unsigned long timer_subscribe_int(void ) { |
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/* To complete ... */
|
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} |
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|
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int timer_unsubscribe_int() {
|
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/* To complete ... */
|
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} |