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-rw-r--r--avr/cmd_loadcpm3.c1
-rw-r--r--avr/cmd_mem.c4
-rw-r--r--avr/command_tbl.c12
-rw-r--r--avr/debug.c88
-rw-r--r--avr/z180-serv.c3
5 files changed, 101 insertions, 7 deletions
diff --git a/avr/cmd_loadcpm3.c b/avr/cmd_loadcpm3.c
index fd685b2..3f1bbe1 100644
--- a/avr/cmd_loadcpm3.c
+++ b/avr/cmd_loadcpm3.c
@@ -55,6 +55,7 @@ int load(FIL *File, uint16_t addr, uint8_t len)
return 0;
}
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
command_ret_t do_loadcpm3(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
diff --git a/avr/cmd_mem.c b/avr/cmd_mem.c
index 53b1842..101b912 100644
--- a/avr/cmd_mem.c
+++ b/avr/cmd_mem.c
@@ -152,8 +152,8 @@ mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[])
if (incrflag)
addr += nbytes ? -1 : 1;
nbytes = 1;
- }
- else {
+
+ } else {
char *endp;
data = strtoul(console_buffer, &endp, 16);
nbytes = endp - console_buffer;
diff --git a/avr/command_tbl.c b/avr/command_tbl.c
index eb0d84f..a9cc2bd 100644
--- a/avr/command_tbl.c
+++ b/avr/command_tbl.c
@@ -25,6 +25,8 @@ extern command_ret_t do_go(cmd_tbl_t *, int, int, char * const []);
extern command_ret_t do_restart(cmd_tbl_t *, int, int, char * const []);
extern command_ret_t do_console(cmd_tbl_t *, int, int, char * const []);
extern command_ret_t do_dump_mem(cmd_tbl_t *, int, int, char * const []);
+extern command_ret_t do_mem_mm_avr(cmd_tbl_t *, int, int, char * const []);
+extern command_ret_t do_mem_nm_avr(cmd_tbl_t *, int, int, char * const []);
extern command_ret_t do_eep_cp(cmd_tbl_t *, int, int, char * const []);
extern command_ret_t do_busreq_pulse(cmd_tbl_t *, int, int, char * const []);
extern command_ret_t do_date(cmd_tbl_t *, int, int, char * const []);
@@ -75,6 +77,16 @@ CMD_TBL_ITEM(
"EEPROM copy",
"source target count"
),
+CMD_TBL_ITEM(
+ !mm, 2, 1, do_mem_mm_avr,
+ "avr memory modify (auto-incrementing address)",
+ "address"
+),
+CMD_TBL_ITEM(
+ !nm, 2, 1, do_mem_nm_avr,
+ "avr memory modify (constant address)",
+ "address"
+),
#endif
CMD_TBL_ITEM(
mstep, 2, 1, do_busreq_pulse,
diff --git a/avr/debug.c b/avr/debug.c
index d4ae1f4..f3632c2 100644
--- a/avr/debug.c
+++ b/avr/debug.c
@@ -11,6 +11,7 @@
#include <avr/eeprom.h>
#include "command.h"
+#include "cli_readline.h"
#include "print-utils.h"
#include "debug.h"
@@ -39,7 +40,7 @@ void dump_heap(void)
*/
command_ret_t do_dump_mem(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- void (*readhow)(uint8_t *buf, uint32_t addr, uint8_t count);
+ void (*readwhat)(uint8_t *buf, uint32_t addr, uint8_t count);
(void) cmdtp; (void) flag;
@@ -51,13 +52,13 @@ command_ret_t do_dump_mem(cmd_tbl_t *cmdtp, int flag, int argc, char * const arg
switch (argv[0][3]) {
case 'r':
- readhow = ram_read_buf;
+ readwhat = ram_read_buf;
break;
case 'e':
- readhow = eeprom_read_buf;
+ readwhat = eeprom_read_buf;
break;
case 'f':
- readhow = flash_read_buf;
+ readwhat = flash_read_buf;
break;
default:
return CMD_RET_USAGE;
@@ -71,7 +72,7 @@ command_ret_t do_dump_mem(cmd_tbl_t *cmdtp, int flag, int argc, char * const arg
length = (uint16_t) strtoul(argv[2], NULL, 16);
/* Print the lines. */
- dump_mem(addr, addr, length, readhow, NULL);
+ dump_mem(addr, addr, length, readwhat, NULL);
return CMD_RET_SUCCESS;
}
@@ -127,6 +128,83 @@ command_ret_t do_eep_cp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[
}
+/* Modify memory.
+ *
+ * Syntax:
+ * !mm {addr}
+ * !nm {addr}
+ */
+
+ static uint8_t *mm_last_addr;
+
+static command_ret_t
+mod_mem_avr(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[])
+{
+ uint8_t *addr;
+ uint8_t data;
+ int nbytes;
+
+ (void) cmdtp;
+
+ if (argc != 2)
+ return CMD_RET_USAGE;
+
+ /* We use the last specified parameters, unless new ones are
+ * entered.
+ */
+ addr = mm_last_addr;
+
+ if ((flag & CMD_FLAG_REPEAT) == 0) {
+ /* New command specified.
+ */
+
+ /* Address is specified since argc > 1
+ */
+ addr = (uint8_t *) (size_t) strtoul(argv[1], NULL, 16);
+ }
+
+ /* Print the address, followed by value. Then accept input for
+ * the next value. A non-converted value exits.
+ */
+ do {
+ data = *addr;
+ printf_P(PSTR("%04x: %02x"), addr, data);
+
+ nbytes = cli_readline(PSTR(" ? "));
+ if (nbytes == 0 || (nbytes == 1 && console_buffer[0] == '-')) {
+ /* <CR> pressed as only input, don't modify current
+ * location and move to next. "-" pressed will go back.
+ */
+ if (incrflag)
+ addr += nbytes ? -1 : 1;
+ nbytes = 1;
+
+ } else {
+ char *endp;
+ data = strtoul(console_buffer, &endp, 16);
+ nbytes = endp - console_buffer;
+ if (nbytes) {
+ *addr = data;
+ if (incrflag)
+ addr++;
+ }
+ }
+ } while (nbytes);
+
+ mm_last_addr = addr;
+ return CMD_RET_SUCCESS;
+}
+
+
+command_ret_t do_mem_mm_avr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ return mod_mem_avr (cmdtp, 1, flag, argc, argv);
+}
+command_ret_t do_mem_nm_avr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ return mod_mem_avr (cmdtp, 0, flag, argc, argv);
+}
+
/*------------------------------------------------------------------------------*/
#if 1
diff --git a/avr/z180-serv.c b/avr/z180-serv.c
index af1d8e0..7193495 100644
--- a/avr/z180-serv.c
+++ b/avr/z180-serv.c
@@ -491,6 +491,9 @@ int msg_handling(int state)
pending = (Stat & S_MSG_PENDING) != 0;
Stat &= ~S_MSG_PENDING;
}
+/*
+ * TODO: if pending but no message chr --> special condition. ie init,...
+ */
if (pending) {
switch (state) {