Add flash writing code.

[fw/altos] / ccdbg-command.c

diff --git a/ccdbg-command.c b/ccdbg-command.c
index 50dd1fd4500612e3fe002b666e18b9a04b8b104a..38c006cb99c4ee303493b5baa59f75ad2211ebe0 100644 (file)
--- a/ccdbg-command.c
+++ b/ccdbg-command.c
@@ -65,7 +65,7 @@ ccdbg_rd_config(struct ccdbg *dbg)
        return ccdbg_cmd_write_read8(dbg, CC_RD_CONFIG, NULL, 0);
 }
 
        return ccdbg_cmd_write_read8(dbg, CC_RD_CONFIG, NULL, 0);
 }
 

-uint8_t
+uint16_t

 ccdbg_get_pc(struct ccdbg *dbg)
 {
        return ccdbg_cmd_write_read16(dbg, CC_GET_PC, NULL, 0);
 ccdbg_get_pc(struct ccdbg *dbg)
 {
        return ccdbg_cmd_write_read16(dbg, CC_GET_PC, NULL, 0);


@@ -146,3 +146,37 @@ ccdbg_execute(struct ccdbg *dbg, uint8_t *inst)
        return status;
 }
 
        return status;
 }
 

+static uint8_t jump_mem[] = {
+       3, LJMP, 0xf0, 0x00,
+#define PC_HIGH        2
+#define PC_LOW 3
+       0
+};
+
+uint8_t
+ccdbg_set_pc(struct ccdbg *dbg, uint16_t pc)
+{
+       jump_mem[PC_HIGH] = pc >> 8;
+       jump_mem[PC_LOW] = pc & 0xff;
+       return ccdbg_execute(dbg, jump_mem);
+}
+
+uint8_t
+ccdbg_execute_hex_image(struct ccdbg *dbg, struct hex_image *image)
+{
+       uint16_t pc;
+       uint8_t status;
+       
+       if (image->address < 0xf000) {
+               fprintf(stderr, "Cannot execute program starting at 0x%04x\n", image->address);
+               return -1;
+       }
+       ccdbg_write_hex_image(dbg, image, 0);
+       ccdbg_set_pc(dbg, image->address);
+       pc = ccdbg_get_pc(dbg);
+       printf ("pc starts at 0x%04x\n", pc);
+       status = ccdbg_resume(dbg);
+       printf ("resume status: 0x%02x\n", status);
+       return 0;
+}
+