mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-27 10:32:54 +00:00
134 lines
3.2 KiB
C
134 lines
3.2 KiB
C
#define GPIO_FUNC_SEL0 0x80000018 /* GPIO 15 - 0; 2 bit blocks */
|
|
|
|
#define BASE_UART1 0x80005000
|
|
#define UART1_CON 0x80005000
|
|
#define UART1_STAT 0x80005004
|
|
#define UART1_DATA 0x80005008
|
|
#define UR1CON 0x8000500c
|
|
#define UT1CON 0x80005010
|
|
#define UART1_CTS 0x80005014
|
|
#define UART1_BR 0x80005018
|
|
|
|
#include "maca.h"
|
|
#include "embedded_types.h"
|
|
|
|
#define reg(x) (*(volatile uint32_t *)(x))
|
|
|
|
#define DELAY 400000
|
|
#define DATA 0x00401000;
|
|
|
|
void putc(uint8_t c);
|
|
void puts(uint8_t *s);
|
|
void put_hex(uint8_t x);
|
|
void put_hex16(uint16_t x);
|
|
void put_hex32(uint32_t x);
|
|
|
|
const uint8_t hex[16]={'0','1','2','3','4','5','6','7',
|
|
'8','9','a','b','c','d','e','f'};
|
|
|
|
__attribute__ ((section ("startup")))
|
|
void main(void) {
|
|
uint8_t c;
|
|
volatile uint32_t i;
|
|
volatile uint32_t *data;
|
|
uint32_t tmp;
|
|
|
|
/* Restore UART regs. to default */
|
|
/* in case there is still bootloader state leftover */
|
|
|
|
reg(UART1_CON) = 0x0000c800; /* mask interrupts, 16 bit sample --- helps explain the baud rate */
|
|
|
|
/* INC = 767; MOD = 9999 works: 115200 @ 24 MHz 16 bit sample */
|
|
#define INC 767
|
|
#define MOD 9999
|
|
reg(UART1_BR) = INC<<16 | MOD;
|
|
|
|
/* see Section 11.5.1.2 Alternate Modes */
|
|
/* you must enable the peripheral first BEFORE setting the function in GPIO_FUNC_SEL */
|
|
/* From the datasheet: "The peripheral function will control operation of the pad IF */
|
|
/* THE PERIPHERAL IS ENABLED. */
|
|
reg(UART1_CON) = 0x00000003; /* enable receive and transmit */
|
|
reg(GPIO_FUNC_SEL0) = ( (0x01 << (14*2)) | (0x01 << (15*2)) ); /* set GPIO15-14 to UART (UART1 TX and RX)*/
|
|
|
|
reg(80009000) = 0x00050100;
|
|
|
|
reg(MACA_RESET) = 0x3; /* reset, turn on the clock */
|
|
for(i=0; i<DELAY; i++) { continue; }
|
|
reg(MACA_RESET) = 0x2; /* unreset, turn on the clock */
|
|
for(i=0; i<DELAY; i++) { continue; }
|
|
|
|
init_phy();
|
|
|
|
reg(MACA_CONTROL) = SMAC_MACA_CNTL_INIT_STATE;
|
|
for(i=0; i<DELAY; i++) { continue; }
|
|
|
|
data = (void *)DATA;
|
|
data[0] = 0xabc0ffee;
|
|
maca_txlen = 1;
|
|
reg(MACA_DMATX) = DATA; /* get data from somewhere */
|
|
reg(MACA_PREAMBLE) = 0xface0fff;
|
|
|
|
|
|
#define NL "\033[K\r\n"
|
|
|
|
puts("\033[H\033[2J");
|
|
while(1) {
|
|
puts("\033[H");
|
|
puts("rftest-tx --- " NL);
|
|
|
|
puts("base +0 +4 +8 +c +10 +14 +18 +1c " NL);
|
|
for (i = 0; i < 96; i ++) {
|
|
if ((i & 7) == 0) {
|
|
put_hex16(4 * i);
|
|
}
|
|
putc(' ');
|
|
put_hex32(reg(MACA_BASE+(4*i)));
|
|
if ((i & 7) == 7)
|
|
puts(NL);
|
|
}
|
|
puts(NL);
|
|
|
|
|
|
/* start a sequence */
|
|
reg(MACA_CONTROL) = 0x00031A03;
|
|
/* wait for it to finish */
|
|
while (((tmp = reg(MACA_STATUS)) & 15) == 14)
|
|
continue;
|
|
puts("completed status is ");
|
|
put_hex32(tmp);
|
|
puts(NL);
|
|
for(i=0; i<DELAY; i++) { continue; }
|
|
};
|
|
}
|
|
|
|
void putc(uint8_t c) {
|
|
while(reg(UT1CON)==31); /* wait for there to be room in the buffer */
|
|
reg(UART1_DATA) = c;
|
|
}
|
|
|
|
void puts(uint8_t *s) {
|
|
while(s && *s!=0) {
|
|
putc(*s++);
|
|
}
|
|
}
|
|
|
|
void put_hex(uint8_t x)
|
|
{
|
|
putc(hex[x >> 4]);
|
|
putc(hex[x & 15]);
|
|
}
|
|
|
|
void put_hex16(uint16_t x)
|
|
{
|
|
put_hex((x >> 8) & 0xFF);
|
|
put_hex((x) & 0xFF);
|
|
}
|
|
|
|
void put_hex32(uint32_t x)
|
|
{
|
|
put_hex((x >> 24) & 0xFF);
|
|
put_hex((x >> 16) & 0xFF);
|
|
put_hex((x >> 8) & 0xFF);
|
|
put_hex((x) & 0xFF);
|
|
}
|