osd-contiki/tests/nvm-read.c
Mariano Alvira 0c4f5c61ef need a way to run board specific lowlevel inits
like for vreg. this is a start.
2010-02-24 18:47:53 -05:00

109 lines
2.3 KiB
C

#include <mc1322x.h>
#include <board.h>
#include <uart1.h>
/* INC = 767; MOD = 9999 works: 115200 @ 24 MHz 16 bit sample */
#define INC 767
#define MOD 9999
#define READ_ADDR 0x1F000
#define NBYTES 1024
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 main(void) {
nvmType_t type=0;
nvmErr_t err;
uint32_t buf[NBYTES/4];
uint32_t i;
/* 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)*/
vreg_init();
// puts("CRM status: 0x");
// put_hex32(reg(0x80003018));
// puts("\n\r");
puts("Detecting internal nvm\n\r");
err = nvm_detect(gNvmInternalInterface_c, &type);
puts("nvm_detect returned: 0x");
put_hex(err);
puts(" type is: 0x");
put_hex32(type);
puts("\n\r");
nvm_setsvar(0);
err = nvm_read(gNvmInternalInterface_c, type, (uint8_t *)buf, READ_ADDR, NBYTES);
puts("nvm_read returned: 0x");
put_hex(err);
puts("\n\r");
for(i=0; i<NBYTES/4; i++) {
puts("0x");
put_hex32(buf[i]);
puts("\n\r");
}
while(1) {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);
}