#include "timer.h"
#include "../usart/usart.h"
#include "../debug/print_funcs.h"
#include "../pio/pio.h"
Include dependency graph for timer_example_debug.c:
Go to the source code of this file.
Defines | |
| #define | CLEAR 2 |
| #define | CPU_HZ 20000000 |
| #define | FALSE 0 |
| #define | NOOP 0 |
| #define | SET 1 |
| #define | TOGGLE 3 |
| #define | TRUE 1 |
Functions | |
| int | main (int argc, char *argv[]) |
| void | timer_delay (void) |
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Definition at line 13 of file timer_example_debug.c. |
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Definition at line 6 of file timer_example_debug.c. |
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Definition at line 18 of file timer_example_debug.c. |
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Definition at line 11 of file timer_example_debug.c. |
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Definition at line 12 of file timer_example_debug.c. |
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Definition at line 14 of file timer_example_debug.c. |
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Definition at line 17 of file timer_example_debug.c. |
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Definition at line 22 of file timer_example_debug.c. References timer_waveform_opt_t::acpa, timer_waveform_opt_t::acpc, timer_waveform_opt_t::aeevt, timer_waveform_opt_t::aswtrg, timer_waveform_opt_t::bcpb, timer_waveform_opt_t::bcpc, timer_waveform_opt_t::beevt, timer_waveform_opt_t::bswtrg, timer_waveform_opt_t::burst, timer_waveform_opt_t::channel, CLEAR, timer_waveform_opt_t::clki, timer_waveform_opt_t::cpcdis, timer_waveform_opt_t::cpcstop, CPU_HZ, timer_waveform_opt_t::eevt, timer_waveform_opt_t::eevtedg, timer_waveform_opt_t::enetrg, FALSE, NOOP, SET, timer_waveform_opt_t::tcclks, TIMER_CLOCK_SOURCE_TC5, timer_delay(), timer_init_waveform(), timer_read_tc(), timer_start(), TIMER_WAVEFORM_SEL_UPDOWN_MODE, timer_write_ra(), timer_write_rb(), timer_write_rc(), and timer_waveform_opt_t::wavsel. 00023 { 00024 00025 struct timer_waveform_opt_t waveform_opt; 00026 struct usart_options_t usart_opt; 00027 00028 avr32_pio_t *piob = (void *) AVR32_PIOB_ADDRESS; 00029 avr32_usart_t *usart = (void *) AVR32_USART1_ADDRESS; 00030 00031 avr32_piomap_t usart_piomap = { \ 00032 {AVR32_USART1_RXD_0_PIN, AVR32_USART1_RXD_0_FUNCTION}, \ 00033 {AVR32_USART1_TXD_0_PIN, AVR32_USART1_TXD_0_FUNCTION} \ 00034 }; 00035 00036 /* The channel number and instance is used in several functions */ 00037 /* It's defined as local variable for ease-of-use causes */ 00038 int channel = 1; 00039 int timer_instance = 1; 00040 00041 /* Enable Timer module on PIOB */ 00042 piob->pdr = 0x0003ffff; 00043 piob->asr = 0x0003ffff; 00044 00045 /* Options for Waveform genration */ 00046 waveform_opt.channel = channel; 00047 waveform_opt.tcclks = TIMER_CLOCK_SOURCE_TC5; 00048 waveform_opt.clki = FALSE; 00049 waveform_opt.burst = FALSE; 00050 00051 waveform_opt.cpcstop = FALSE; 00052 waveform_opt.cpcdis = FALSE; 00053 waveform_opt.eevtedg = FALSE; 00054 waveform_opt.eevt = 0; 00055 waveform_opt.enetrg = FALSE; 00056 waveform_opt.wavsel = TIMER_WAVEFORM_SEL_UPDOWN_MODE; 00057 00058 waveform_opt.acpa = SET; 00059 waveform_opt.acpc = CLEAR; 00060 waveform_opt.aeevt = NOOP; 00061 waveform_opt.aswtrg = NOOP; 00062 00063 waveform_opt.bcpb = NOOP; 00064 waveform_opt.bcpc = NOOP; 00065 waveform_opt.beevt = NOOP; 00066 waveform_opt.bswtrg = NOOP; 00067 00068 /* Options for USART debugging */ 00069 usart_opt.baudrate = 115200; 00070 usart_opt.charlength = 8; 00071 usart_opt.paritytype = USART_NO_PARITY; 00072 usart_opt.stopbits = USART_1_STOPBIT; 00073 usart_opt.channelmode = USART_NORMAL_CHMODE; 00074 00075 /* Initialize it in RS232 mode */ 00076 pio_enable_module(usart_piomap, 2); 00077 usart_init_rs232(usart, &usart_opt, CPU_HZ); 00078 00079 print(usart, "Timer / Counter test...\n"); 00080 00081 /* Init the Timer */ 00082 timer_init_waveform(timer_instance, &waveform_opt); 00083 timer_write_ra(timer_instance, channel, 0x0055 ); 00084 timer_write_rb(timer_instance, channel, 0x00aa ); 00085 timer_write_rc(timer_instance, channel, 0x00ff ); 00086 timer_start(timer_instance, channel); 00087 00088 while(1){ 00089 printf("TC: 0x%x \n", timer_read_tc(timer_instance,channel) ); 00090 timer_delay(); 00091 } 00092 return 0; 00093 }
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1.4.6