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checkpoint

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This commit is contained in:
Mariano Alvira 2009-04-02 14:54:02 -04:00
parent 8221cc260e
commit 4db3756dac
5 changed files with 192 additions and 17 deletions
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1
boot.lds
View file

@ -32,6 +32,7 @@ SECTIONS
. = ALIGN(4);
.text :
{
*(startup)
*(.text)
}

3
tests/blink-red.c
View file

@ -6,8 +6,7 @@
#include "embedded_types.h"
void main(void) {
__attribute__ ((section ("startup"))) void main(void) {
*(volatile uint32_t *)GPIO_PAD_DIR0 = 0x00000100;
volatile uint32_t i;

96
tests/rftest-rx.c
View file

@ -9,7 +9,9 @@
#define UART1_CTS 0x80005014
#define UART1_BR 0x80005018
#define MACA_BASE 0x80004000
#define MACA_RESET 0x80004004
#define MACA_RANDOM 0x80004008
#define MACA_CONTROL 0x8000400c
#define MACA_STATUS 0x80004010
#define MACA_DMARX 0x80004080
@ -19,31 +21,103 @@
#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;
/* Restore UART regs. to default */
/* in case there is still bootloader state leftover */
*(volatile uint32_t *)UART1_CON = 0x0000c800; /* mask interrupts, 16 bit sample --- helps explain the baud rate */
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
*(volatile uint32_t *)UART1_BR = INC<<16 | MOD;
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. */
*(volatile uint32_t *)UART1_CON = 0x00000003; /* enable receive and transmit */
*(volatile uint32_t *)GPIO_FUNC_SEL0 = ( (0x01 << (14*2)) | (0x01 << (15*2)) ); /* set GPIO15-14 to UART (UART1 TX and RX)*/
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)*/
uint8_t c;
while(1) {
if(*(volatile uint32_t*)UR1CON > 0) {
/* Receive buffer isn't empty */
/* read a byte and write it to the transmit buffer */
c = *(volatile uint32_t *)UART1_DATA;
*(volatile uint32_t *)UART1_DATA = c;
reg(MACA_RESET) = 0x3; /* reset, turn on the clock */
reg(MACA_RESET) = 0x2; /* unreset, turn on the clock */
reg(MACA_CONTROL) = 0x00000224; /* continuous receive test mode */
reg(MACA_DMARX) = DATA; /* put data somewhere */
data = DATA;
data[0] = 0xdeadbeef;
puts("\033[H\033[2J");
while(1) {
puts("\033[Hrftest-rx --- ");
puts(" maca_getrxlvl: 0x");
put_hex(reg(MACA_GETRXLVL));
puts(" data[0]: 0x");
put_hex32(data[0]);
puts(" status: 0x");
put_hex32(reg(MACA_STATUS));
puts(" random: 0x");
put_hex32(reg(MACA_RANDOM));
puts("\n\r");
for (i = 0; i < 96; i ++) {
put_hex32(reg(MACA_BASE+(4*i)));
if ((i & 7) == 7)
puts("\n\r");
else
putc(' ');
}
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);
}

100
tests/rftest-tx.c Normal file
View file

@ -0,0 +1,100 @@
#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 MACA_RESET 0x80004004
#define MACA_CONTROL 0x8000400c
#define MACA_STATUS 0x80004010
#define MACA_DMARX 0x80004080
#define MACA_DMATX 0x80004084
#define MACA_GETRXLVL 0x80004098
#define MACA_PREAMBLE 0x8000411c
#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;
/* 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(MACA_RESET) = 0x3; /* reset, turn on the clock */
reg(MACA_RESET) = 0x2; /* unreset, turn on the clock */
reg(MACA_CONTROL) = 0x00000223; /* continuous transmit test mode */
reg(MACA_PREAMBLE) = 0xface0fff;
while(1) {
puts("rftest-tx --- ");
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);
}

9
tests/uart1-loopback.c
View file

@ -31,11 +31,12 @@ void main(void) {
uint8_t c;
while(1) {
if(*(volatile uint32_t*)UR1CON > 0) {
*(volatile uint32_t *)UART1_DATA = (uint8_t)'U';
// if(*(volatile uint32_t*)UR1CON > 0) {
/* Receive buffer isn't empty */
/* read a byte and write it to the transmit buffer */
c = *(volatile uint32_t *)UART1_DATA;
*(volatile uint32_t *)UART1_DATA = c;
}
// c = *(volatile uint32_t *)UART1_DATA;
// *(volatile uint32_t *)UART1_DATA = c;
// }
};
}