osd-contiki/tests/flasher.c
Mariano Alvira cd973de335 catch the aux. send.
still need to parse it for something like:

0x1e000,0x11223344,0x55667788
2009-05-08 18:04:55 -04:00

195 lines
4.3 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 "embedded_types.h"
#include "nvm.h"
#include "maca.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);
uint8_t getc();
void flushrx();
const uint8_t hex[16]={'0','1','2','3','4','5','6','7',
'8','9','a','b','c','d','e','f'};
#include "isr.h"
#define NBYTES 8
#define WRITE_ADDR 0x1e000
//#define WRITE_ADDR 0x0
#define WRITEVAL0 0x00000001
#define WRITEVAL1 0x00000000
__attribute__ ((section ("startup")))
void main(void) {
nvmType_t type=0;
nvmErr_t err;
volatile uint8_t c;
volatile uint32_t buf[NBYTES/4];
volatile uint32_t i;
volatile uint32_t len=0;
*(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)*/
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");
*/
/* erase the flash */
// err = nvm_erase(gNvmInternalInterface_c, type, 0x4fffffff);
err = nvm_erase(gNvmInternalInterface_c, 1, 0x4fffffff);
/*
puts("nvm_erase returned: 0x");
put_hex(err);
puts("\n\r");
*/
/* say we are ready */
len = 0;
puts("ready");
flushrx();
/* read the length */
for(i=0; i<4; i++) {
c = getc();
/* bail if the first byte of the length is zero */
len += (c<<(i*8));
}
// puts("len: ");
// put_hex32(len);
// puts("\n\r");
/* write the OKOK magic */
((uint8_t *)buf)[0] = 'O'; ((uint8_t *)buf)[1] = 'K'; ((uint8_t *)buf)[2] = 'O'; ((uint8_t *)buf)[3] = 'K';
// ((uint8_t *)buf)[3] = 'x';
// err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)buf, 0, 4);
err = nvm_write(gNvmInternalInterface_c, 1, (uint8_t *)buf, 0, 4);
// puts("nvm_write returned: 0x");
// put_hex(err);
// puts("\n\r");
/* write the length */
err = nvm_write(gNvmInternalInterface_c, 1, (uint8_t *)&len, 4, 4);
/* read a byte, write a byte */
/* byte at a time will make this work as a contiki process better */
/* for OTAP */
for(i=0; i<len; i++) {
c = getc();
// put_hex(c);
// puts(": ");
// err = nvm_write(gNvmInternalInterface_c, type, &c, 4+i, 1);
err = nvm_write(gNvmInternalInterface_c, 1, &c, 8+i, 1);
// if(err==0) { putc('.'); } else { putc('x'); }
// puts("nvm_write returned: 0x");
// put_hex(err);
// puts("\n\r");
}
puts("flasher done\n\r");
while(c=getc()) {putc(c);}
while(1) {continue;};
}
void flushrx()
{
volatile uint8_t c;
while(reg(UR1CON) !=0) {
c = reg(UART1_DATA);
}
}
uint8_t getc()
{
volatile uint8_t c;
while(reg(UR1CON) == 0);
c = reg(UART1_DATA);
return c;
}
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);
}