From 8a7deceacd30529e5c32082b2c719eb055841d0d Mon Sep 17 00:00:00 2001
From: Leo C
Date: Sun, 26 Oct 2014 12:43:57 +0100
Subject: working connect command, new sleep command

---
 avr/cmd_boot.c | 108 +++++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 82 insertions(+), 26 deletions(-)

(limited to 'avr/cmd_boot.c')

diff --git a/avr/cmd_boot.c b/avr/cmd_boot.c
index 1f99f2d..2c3a533 100644
--- a/avr/cmd_boot.c
+++ b/avr/cmd_boot.c
@@ -4,13 +4,14 @@
  */
 #include "common.h"
 #include <stdlib.h>
+#include <ctype.h>
 #include <util/atomic.h>
 
 #include "command.h"
 #include "con-utils.h"
 #include "z80-if.h"
 #include "z180-serv.h"
-//#include "debug.h"
+#include "debug.h"
 
 /* ugly hack to get Z180 loadfile into flash memory */
 #define const const FLASH
@@ -126,14 +127,21 @@ command_ret_t do_go(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	return CMD_RET_SUCCESS;
 }
 
+static
+void reset_cpu(bus_cmd_t mode)
+{
+	restart_z180_serv();
+	z80_bus_cmd(mode);
+}
+
+
 command_ret_t do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	(void) cmdtp; (void) flag; (void) argc; (void) argv;
 
 	printf_P(PSTR("## CPU now in reset state.\n"));
 
-	restart_z180_serv();
-	z80_bus_cmd(Reset);
+	reset_cpu(Reset);
 	return CMD_RET_SUCCESS;
 }
 
@@ -141,24 +149,40 @@ command_ret_t do_restart(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv
 {
 	(void) cmdtp; (void) flag; (void) argc; (void) argv;
 
-	restart_z180_serv();
-	z80_bus_cmd(Restart);
+	reset_cpu(Restart);
 
 	return CMD_RET_SUCCESS;
 }
 
+static
+void print_con_usage(char esc)
+{	printf_P(PSTR("\n"
+		"------------------------------------------------\n"
+		" ?,H - This Help\n"
+		" R   - Reset (Restart) CPU\n"
+		" Q,X - Return to command line\n"
+		" \\  - code input:\n"
+		"      \\nnn   3 decimal digits character code\n"
+		"      \\Xhh   2 hexadecimal digits character code\n"
+		" ^%c - (Escape char) Type again to send itself\n"
+		"key>"
+	), esc + 0x40);
+}
 
 command_ret_t do_console(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	int ch;
-	uint8_t pending, state = 0;
+	uint8_t pending;
+//	uint8_t help_prompt = 0;
+	uint8_t code = 0;
+	uint8_t state = 0;
 	
 	(void) cmdtp; (void) flag; (void) argc; (void) argv;
 
 
 	while (1) {
 
-		ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
+		ATOMIC_BLOCK(ATOMIC_FORCEON) {
 			pending = (Stat & S_CON_PENDING) != 0;
 			Stat &= ~S_CON_PENDING;
 		}
@@ -174,46 +198,78 @@ command_ret_t do_console(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv
 					/* TODO: Timer starten */
 				} else {
 					z80_memfifo_putc(fifo_conin, ch);
-//					serial_putc(ch);
-//					if (ch == '\r')
-//						serial_putc('\n');
 				}	
 				break;
+			case 2:
+				printf_P(PSTR("\n"
+				  "------------------------------------------------\n"));
 			case 1:
-				switch (ch) {
-
-				case 'r':
-//					z80_reset_pulse();
-					break;
+				state = 0;
+				switch (toupper(ch)) {
 
-				case 'b':
+				case '?':
+				case 'H':
+					print_con_usage(CONFIG_ESC_CHAR);
+					state = 2;
 					break;
 
-				case 'e':
+				case 'R':
+					reset_cpu(Restart);
 					break;
 
-				case 'q':
+				case 'X':
 				case 'Q':
 					printf_P(PSTR("\n"));
 					goto quit;
 					break;
 
+				case '\\':
+					code = 0;
+					state = 3;
+					break;
+
 				case CONFIG_ESC_CHAR:
-				default:
 					z80_memfifo_putc(fifo_conin, ch);
-//					serial_putc(ch);
-//					if (ch == '\r')
-//						serial_putc('\n');
+					break;
+				default:
+					break;
+				}
+				break;
+			case 3:
+				if (toupper(ch) == 'X') {
+					state = 6;
+					break;
+				}
+				/* fall thru */
+			case 4:
+			case 5:
+				if (isdigit(ch)) {
+					code = code * 10 + ch - '0';
+					state++;
+				}
+				if (state > 5) {
+					z80_memfifo_putc(fifo_conin, code);
+					state = 0;
+				}
+				break;
+			case 6:
+			case 7:
+				if (isxdigit(ch)) {
+					ch = toupper(ch);
+					if (ch >= 'A')
+						ch -= 'A' - 10;
+					code = code * 16 + ch - '0';
+					state++;
+				}
+				if (state > 7) {
+					z80_memfifo_putc(fifo_conin, code);
+					state = 0;
 				}
-				state = 0;
 				break;
 			}
 		}
-
 	}
 quit:
-
 	return CMD_RET_SUCCESS;
 }
 	
-
-- 
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