--- /dev/null
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include "ao.h"
+#include <ao_exti.h>
+#include <ao_boot.h>
+#include <ao_flash_stm.h>
+
+void
+ao_panic(uint8_t reason)
+{
+ for (;;);
+}
+
+void
+ao_application(void)
+{
+ ao_boot_reboot(AO_BOOT_APPLICATION_BASE);
+}
+
+static uint32_t
+ao_cmd_hex32(void)
+{
+ __pdata uint8_t r = ao_cmd_lex_error;
+ int8_t n;
+ uint32_t v = 0;
+
+ ao_cmd_white();
+ for(;;) {
+ n = ao_cmd_hexchar(ao_cmd_lex_c);
+ if (n < 0)
+ break;
+ v = (v << 4) | n;
+ r = ao_cmd_success;
+ ao_cmd_lex();
+ }
+ if (r != ao_cmd_success)
+ ao_cmd_status = r;
+ return v;
+}
+
+void
+ao_block_erase(void)
+{
+ uint32_t addr = ao_cmd_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 *p = (uint32_t *) addr;
+ union {
+ uint8_t data8[256];
+ uint32_t data32[64];
+ } u;
+ uint16_t i;
+
+ if (addr < 0x08002000 || 0x08200000 <= addr) {
+ puts("Invalid address");
+ return;
+ }
+ for (i = 0; i < 256; i++)
+ u.data8[i] = i;
+ 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();
+ 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');
+ }
+}
+
+__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_dma_init();
+ ao_cmd_init();
+// ao_exti_init();
+ ao_usb_init();
+
+ ao_cmd_register(&ao_flash_cmds[0]);
+ ao_start_scheduler();
+ return 0;
+}
projects / fw / altos / commitdiff