X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=lib%2Fccdbg.h;h=8bc9444a2e00269230624c9674b54354488dea8d;hp=e0e58104049ba1826e45c0b2043310020adf6063;hb=cc0495b7028f4b1189a00707d828a68534d1dea2;hpb=55eba4fa08b022197106245d36a70f575a070b0a

diff --git a/lib/ccdbg.h b/lib/ccdbg.h
index e0e58104..8bc9444a 100644
--- a/lib/ccdbg.h
+++ b/lib/ccdbg.h
@@ -30,19 +30,28 @@
 #include <sys/types.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>
-#include "cp-usb.h"
+#include "ccdbg-debug.h"
+
 #define CC_CLOCK	0x1
 #define CC_DATA		0x2
 #define CC_RESET_N	0x4
-#define CC_CLOCK_US	(40)
+#define CC_CLOCK_US	(0)
+
+/* Telemetrum has a 10k pull-up to 3.3v, a 0.001uF cap to ground
+ * and a 2.7k resistor to the reset line. This takes about 6us
+ * to settle, so we'll wait longer than that after changing the reset line
+ */
+#define CC_RESET_US	(12)
 
 /* 8051 instructions
  */
+#define NOP			0x00
 #define MOV_direct_data		0x75
 #define LJMP			0x02
 #define MOV_Rn_data(n)		(0x78 | (n))
 #define DJNZ_Rn_rel(n)		(0xd8 | (n))
 #define MOV_A_direct		0xe5
+#define MOV_direct1_direct2	0x85
 #define MOV_direct_A		0xf5
 #define MOV_DPTR_data16		0x90
 #define MOV_A_data		0x74
@@ -56,6 +65,13 @@
 /* 8051 special function registers
  */
 
+#define SFR_P0			0x80
+#define SFR_SP			0x81
+#define SFR_DPL0		0x82
+#define SFR_DPH0		0x83
+#define SFR_DPL1		0x84
+#define SFR_DPH1		0x85
+
 /* flash controller */
 #define FWT			0xAB
 #define FADDRL			0xAC
@@ -90,8 +106,18 @@
 /* Bit-addressable accumulator */
 #define ACC(bit)		(0xE0 | (bit))
 
+/* Bit-addressable status word */
+#define PSW(bit)		(0xD0 | (bit))
+
+#define CP_USB_ASYNC
+
 struct ccdbg {
+#ifdef CP_USB_ASYNC
+	struct cp_usb_async *cp_async;
+#else
 	struct cp_usb *cp;
+#endif
+	struct hex_image *rom;
 };
 
 /* Intel hex file format data
@@ -115,6 +141,18 @@ struct hex_image {
 	uint8_t		data[0];
 };
 
+#define CC_STATE_ACC	0x1
+#define CC_STATE_PSW	0x2
+#define CC_STATE_DP	0x4
+
+#define CC_STATE_NSFR	5
+
+struct ccstate {
+	uint16_t	mask;
+	uint8_t		acc;
+	uint8_t		sfr[CC_STATE_NSFR];
+};
+
 #define HEX_RECORD_NORMAL		0x00
 #define HEX_RECORD_EOF			0x01
 #define HEX_RECORD_EXTENDED_ADDRESS	0x02
@@ -153,15 +191,6 @@ struct hex_image {
 #define CC_STEP_REPLACE(n)	(0x64|(n))
 #define CC_GET_CHIP_ID		0x68
 
-/* Debug levels
- */
-#define CC_DEBUG_BITBANG	0x00000001
-#define CC_DEBUG_COMMAND	0x00000002
-#define CC_DEBUG_INSTRUCTIONS	0x00000004
-#define CC_DEBUG_EXECUTE	0x00000008
-#define CC_DEBUG_FLASH		0x00000010
-#define CC_DEBUG_MEMORY		0x00000020
-
 /* ccdbg-command.c */
 void
 ccdbg_debug_mode(struct ccdbg *dbg);
@@ -214,19 +243,6 @@ ccdbg_set_pc(struct ccdbg *dbg, uint16_t pc);
 uint8_t
 ccdbg_execute_hex_image(struct ccdbg *dbg, struct hex_image *image);
 
-/* ccdbg-debug.c */
-void
-ccdbg_debug(int level, char *format, ...);
-
-void
-ccdbg_add_debug(int level);
-
-void
-ccdbg_clear_debug(int level);
-
-void
-ccdbg_flush(void);
-
 /* ccdbg-flash.c */
 uint8_t
 ccdbg_flash_hex_image(struct ccdbg *dbg, struct hex_image *image);
@@ -248,14 +264,20 @@ int
 ccdbg_hex_image_equal(struct hex_image *a, struct hex_image *b);
 
 /* ccdbg-io.c */
+void
+ccdbg_set_clock(uint32_t us);
+
 void
 ccdbg_half_clock(struct ccdbg *dbg);
 
+void
+ccdbg_wait_reset(struct ccdbg *dbg);
+
 int
 ccdbg_write(struct ccdbg *dbg, uint8_t mask, uint8_t value);
 
-uint8_t
-ccdbg_read(struct ccdbg *dbg);
+void
+ccdbg_read(struct ccdbg *dbg, uint8_t *valuep);
 
 struct ccdbg *
 ccdbg_open(void);
@@ -302,15 +324,18 @@ ccdbg_send_byte(struct ccdbg *dbg, uint8_t byte);
 void
 ccdbg_send_bytes(struct ccdbg *dbg, uint8_t *bytes, int nbytes);
 
-uint8_t
-ccdbg_recv_bit(struct ccdbg *dbg, int first);
+void
+ccdbg_recv_bit(struct ccdbg *dbg, int first, uint8_t *bit);
 
-uint8_t
-ccdbg_recv_byte(struct ccdbg *dbg, int first);
+void
+ccdbg_recv_byte(struct ccdbg *dbg, int first, uint8_t *byte);
 
 void
 ccdbg_recv_bytes(struct ccdbg *dbg, uint8_t *bytes, int nbytes);
 
+void
+ccdbg_sync_io(struct ccdbg *dbg);
+
 void
 ccdbg_print(char *format, uint8_t mask, uint8_t set);
 
@@ -335,4 +360,36 @@ ccdbg_write_hex_image(struct ccdbg *dbg, struct hex_image *image, uint16_t offse
 struct hex_image *
 ccdbg_read_hex_image(struct ccdbg *dbg, uint16_t address, uint16_t length);
 
+uint8_t
+ccdbg_read_sfr(struct ccdbg *dbg, uint8_t addr, uint8_t *bytes, int nbytes);
+
+uint8_t
+ccdbg_write_sfr(struct ccdbg *dbg, uint8_t addr, uint8_t *bytes, int nbytes);
+
+/* ccdbg-rom.c */
+uint8_t
+ccdbg_set_rom(struct ccdbg *dbg, struct hex_image *rom);
+
+uint8_t
+ccdbg_rom_contains(struct ccdbg *dbg, uint16_t addr, int nbytes);
+
+uint8_t
+ccdbg_rom_replace_xmem(struct ccdbg *dbg,
+		       uint16_t addrp, uint8_t *bytesp, int nbytes);
+
+/* ccdbg-state.c */
+uint8_t
+ccdbg_state_save(struct ccdbg *dbg, struct ccstate *state, unsigned int mask);
+
+uint8_t
+ccdbg_state_restore(struct ccdbg *dbg, struct ccstate *state);
+
+void
+ccdbg_state_replace_xmem(struct ccdbg *dbg, struct ccstate *state,
+			 uint16_t addr, uint8_t *bytes, int nbytes);
+
+void
+ccdbg_state_replace_sfr(struct ccdbg *dbg, struct ccstate *state,
+			uint8_t addr, uint8_t *bytes, int nbytes);
+
 #endif /* _CCDBG_H_ */