268 lines
6.6 KiB
C
268 lines
6.6 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
|
|
|
|
#define GPIO_PAD_DIR0 0x80000000
|
|
#define GPIO_DATA0 0x80000008
|
|
|
|
#include "maca.h"
|
|
#include "embedded_types.h"
|
|
|
|
#define reg(x) (*(volatile uint32_t *)(x))
|
|
|
|
#define DELAY 400000
|
|
#define DATA 0x00401000;
|
|
|
|
#define NL "\033[K\r\n"
|
|
|
|
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'};
|
|
|
|
uint32_t ackBox[10];
|
|
|
|
#define MAX_PAYLOAD 128
|
|
volatile uint8_t data[MAX_PAYLOAD];
|
|
/* maca_rxlen is very important */
|
|
#define command_xcvr_rx() \
|
|
do { \
|
|
maca_txlen = ((0xff)<<16); \
|
|
maca_dmatx = (uint32_t)&ackBox; \
|
|
maca_dmarx = data; \
|
|
maca_tmren = (maca_cpl_clk | maca_soft_clk); \
|
|
maca_control = (control_prm | control_asap | control_seq_rx); \
|
|
}while(FALSE)
|
|
|
|
|
|
void dump_regs(uint32_t base, uint32_t len) {
|
|
volatile uint32_t i;
|
|
|
|
puts("base +0 +4 +8 +c +10 +14 +18 +1c \n\r");
|
|
for (i = 0; i < len; i ++) {
|
|
if ((i & 7) == 0) {
|
|
put_hex16(4 * i);
|
|
}
|
|
puts(" ");
|
|
put_hex32(reg(base+(4*i)));
|
|
if ((i & 7) == 7)
|
|
puts(NL);
|
|
}
|
|
puts(NL);
|
|
}
|
|
|
|
volatile uint8_t led;
|
|
|
|
#define led_on() do { led = 1; reg(GPIO_DATA0) = 0x00000200; } while(0);
|
|
#define led_off() do { led = 0; reg(GPIO_DATA0) = 0x00000000; } while(0);
|
|
|
|
void toggle_led(void) {
|
|
if(0 == led) {
|
|
led_on();
|
|
led = 1;
|
|
|
|
} else {
|
|
led_off();
|
|
}
|
|
}
|
|
|
|
__attribute__ ((section ("startup")))
|
|
void main(void) {
|
|
uint8_t c;
|
|
volatile uint32_t i;
|
|
uint32_t tmp;
|
|
uint16_t status;
|
|
|
|
*(volatile uint32_t *)GPIO_PAD_DIR0 = 0x00000200;
|
|
led_on();
|
|
|
|
/* 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)*/
|
|
|
|
reset_maca();
|
|
radio_init();
|
|
flyback_init();
|
|
vreg_init();
|
|
init_phy();
|
|
|
|
set_power(0x0f); /* 0dbm */
|
|
set_channel(0); /* channel 11 */
|
|
|
|
reg(MACA_CONTROL) = SMAC_MACA_CNTL_INIT_STATE;
|
|
for(i=0; i<DELAY; i++) { continue; }
|
|
|
|
reg(MACA_DMARX) = data; /* put data somewhere */
|
|
reg(MACA_PREAMBLE) = 0;
|
|
|
|
/* puts("maca_base\n\r"); */
|
|
/* dump_regs(MACA_BASE, 96); */
|
|
/* puts("modem write base\n\r"); */
|
|
/* dump_regs(0x80009000, 96); */
|
|
/* puts("modem read base\n\r"); */
|
|
/* dump_regs(0x800091c0, 96); */
|
|
/* puts("CRM\n\r"); */
|
|
/* dump_regs(0x80003000, 96); */
|
|
/* puts("reserved modem_base\n\r"); */
|
|
/* dump_regs(0x80009200, 192); */
|
|
|
|
command_xcvr_rx();
|
|
|
|
// puts("\033[H\033[2J");
|
|
while(1) {
|
|
|
|
if(_is_action_complete_interrupt(maca_irq)) {
|
|
maca_clrirq = maca_irq;
|
|
|
|
status = reg(MACA_STATUS) & 0x0000ffff;
|
|
switch(status)
|
|
{
|
|
case(cc_aborted):
|
|
{
|
|
puts("aborted\n\r");
|
|
ResumeMACASync();
|
|
break;
|
|
|
|
}
|
|
case(cc_not_completed):
|
|
{
|
|
puts("not completed\n\r");
|
|
ResumeMACASync();
|
|
break;
|
|
|
|
}
|
|
case(cc_timeout):
|
|
{
|
|
puts("timeout\n\r");
|
|
ResumeMACASync();
|
|
break;
|
|
|
|
}
|
|
case(cc_no_ack):
|
|
{
|
|
puts("no ack\n\r");
|
|
ResumeMACASync();
|
|
break;
|
|
|
|
}
|
|
case(cc_ext_timeout):
|
|
{
|
|
puts("ext timeout\n\r");
|
|
ResumeMACASync();
|
|
break;
|
|
|
|
}
|
|
case(cc_ext_pnd_timeout):
|
|
{
|
|
puts("ext pnd timeout\n\r");
|
|
ResumeMACASync();
|
|
break;
|
|
|
|
}
|
|
case(cc_success):
|
|
{
|
|
// puts("success\n\r");
|
|
|
|
puts("rftest-rx --- " );
|
|
puts(" maca_getrxlvl: 0x");
|
|
put_hex(reg(MACA_GETRXLVL));
|
|
puts(" timestamp: 0x");
|
|
put_hex32(maca_timestamp);
|
|
puts("\n\r");
|
|
puts(" data: 0x");
|
|
put_hex32(data);
|
|
putc(' ');
|
|
for(i=0; i<=(reg(MACA_GETRXLVL)-4); i++) { /* fcs+somethingelse is not transferred by DMA */
|
|
put_hex(data[i]);
|
|
putc(' ');
|
|
}
|
|
|
|
puts("\n\r");
|
|
|
|
toggle_led();
|
|
|
|
ResumeMACASync();
|
|
|
|
command_xcvr_rx();
|
|
|
|
break;
|
|
|
|
}
|
|
default:
|
|
{
|
|
puts("status: ");
|
|
put_hex16(status);
|
|
ResumeMACASync();
|
|
command_xcvr_rx();
|
|
|
|
}
|
|
}
|
|
} else if (_is_filter_failed_interrupt(maca_irq)) {
|
|
puts("filter failed\n\r");
|
|
ResumeMACASync();
|
|
command_xcvr_rx();
|
|
} else if (_is_checksum_failed_interrupt(maca_irq)) {
|
|
puts("crc failed\n\r");
|
|
ResumeMACASync();
|
|
command_xcvr_rx();
|
|
}
|
|
|
|
|
|
};
|
|
}
|
|
|
|
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);
|
|
}
|