for (;;);
}
+void
+ao_put_string(__code char *s)
+{
+ char c;
+ while ((c = *s++))
+ putchar(c);
+}
+
void
ao_application(void)
{
}
static uint32_t
-ao_cmd_hex32(void)
+ao_get_hex32(void)
{
- __pdata uint8_t r = ao_cmd_lex_error;
int8_t n;
uint32_t v = 0;
- ao_cmd_white();
+ for (;;) {
+ n = getchar();
+ if (n != ' ')
+ break;
+ }
for(;;) {
- n = ao_cmd_hexchar(ao_cmd_lex_c);
- if (n < 0)
+ if ('0' <= n && n <= '9')
+ n = n - '0';
+ else if ('a' <= n && n <= 'f')
+ n = n - ('a' - 10);
+ else if ('A' <= n && n <= 'F')
+ n = n - ('A' - 10);
+ else
break;
v = (v << 4) | n;
- r = ao_cmd_success;
- ao_cmd_lex();
+ n = getchar();
}
- if (r != ao_cmd_success)
- ao_cmd_status = r;
return v;
}
void
ao_block_erase(void)
{
- uint32_t addr = ao_cmd_hex32();
+ uint32_t addr = ao_get_hex32();
uint32_t *p = (uint32_t *) addr;
ao_flash_erase_page(p);
void
ao_block_write(void)
{
- uint32_t addr = ao_cmd_hex32();
+ uint32_t addr = ao_get_hex32();
uint32_t *p = (uint32_t *) addr;
union {
uint8_t data8[256];
uint16_t i;
if (addr < 0x08002000 || 0x08200000 <= addr) {
- puts("Invalid address");
+ ao_put_string("Invalid address\n");
return;
}
for (i = 0; i < 256; i++)
- u.data8[i] = i;
+ u.data8[i] = getchar();
ao_flash_page(p, u.data32);
}
-static void
-puthex(uint8_t c)
-{
- c &= 0xf;
- if (c < 10)
- c += '0';
- else
- c += 'a' - 10;
- putchar (c);
-}
-
void
ao_block_read(void)
{
- uint32_t addr = ao_cmd_hex32();
+ uint32_t addr = ao_get_hex32();
uint8_t *p = (uint8_t *) addr;
uint16_t i;
uint8_t c;
for (i = 0; i < 256; i++) {
c = *p++;
- puthex(c);
- puthex(c>>4);
- if ((i & 0xf) == 0xf)
- putchar('\n');
+ putchar(c);
+ }
+}
+
+static void
+ao_show_version(void)
+{
+ puts("altos-loader");
+ ao_put_string("manufacturer "); puts(ao_manufacturer);
+ ao_put_string("product "); puts(ao_product);
+ ao_put_string("software-version "); puts(ao_version);
+}
+
+static void
+ao_flash_task(void) {
+ for (;;) {
+ switch (getchar()) {
+ case 'v': ao_show_version(); break;
+ case 'a': ao_application(); break;
+ case 'X': ao_block_erase(); break;
+ case 'W': ao_block_write(); break;
+ case 'R': ao_block_read(); break;
+ }
}
}
-__code struct ao_cmds ao_flash_cmds[] = {
- { ao_application, "a\0Switch to application" },
- { ao_block_erase, "e <addr>\0Erase block." },
- { ao_block_write, "W <addr>\0Write block. 256 binary bytes follow newline" },
- { ao_block_read, "R <addr>\0Read block. Returns 256 bytes" },
- { 0, NULL },
-};
int
main(void)
{
ao_clock_init();
- ao_task_init();
-
- ao_timer_init();
+// ao_timer_init();
// ao_dma_init();
- ao_cmd_init();
// ao_exti_init();
ao_usb_init();
- ao_cmd_register(&ao_flash_cmds[0]);
- ao_start_scheduler();
+ ao_flash_task();
return 0;
}