mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-08-15 00:29:02 +00:00
template for new nvm-read test
This commit is contained in:
parent
3c72e35ed0
commit
d3fecae255
103
tests/nvm-read.c
Normal file
103
tests/nvm-read.c
Normal file
@ -0,0 +1,103 @@
|
||||
#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 "embedded_types.h"
|
||||
|
||||
#define reg(x) (*(volatile uint32_t *)(x))
|
||||
|
||||
#define DELAY 400000
|
||||
|
||||
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'};
|
||||
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
__attribute__ ((section ("startup")))
|
||||
void main(void) {
|
||||
uint8_t c;
|
||||
|
||||
*(volatile uint32_t *)GPIO_PAD_DIR0 = 0x00000100;
|
||||
|
||||
/* 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)*/
|
||||
|
||||
while(1) {
|
||||
};
|
||||
}
|
||||
|
||||
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);
|
||||
}
|
Loading…
Reference in New Issue
Block a user