#include <stdio.h>
#include <stdint.h>
#include <assert.h>
+#include <fcntl.h>
#include <sys/types.h>
#include <sys/ioctl.h>
+#include <sys/stat.h>
+#undef USE_KERNEL
+#ifdef USE_KERNEL
#include <cp2101.h>
-
-#define CC_DATA CP2101_GPIO_MASK(0)
-#define CC_CLOCK CP2101_GPIO_MASK(1)
+#define CC_CLOCK CP2101_GPIO_MASK(0)
+#define CC_DATA CP2101_GPIO_MASK(1)
#define CC_RESET_N CP2101_GPIO_MASK(2)
+#else
+#define CC_CLOCK 0x1
+#define CC_DATA 0x2
+#define CC_RESET_N 0x4
+#include <usb.h>
+#endif
+
/* painfully slow for now */
-#define CC_CLOCK_US (2 * 1000)
+#define CC_CLOCK_US (50)
struct ccdbg {
+ usb_dev_handle *usb_dev;
+ uint8_t gpio;
+#ifdef USE_KERNEL
int fd;
+#endif
uint8_t debug_data;
int clock;
};
#define CC_RESUME 0x4c
#define CC_DEBUG_INSTR(n) (0x54|(n))
#define CC_STEP_INSTR 0x5c
-#define CC_STEP_REPLACE (0x64|(n))
+#define CC_STEP_REPLACE(n) (0x64|(n))
#define CC_GET_CHIP_ID 0x68
+#define CC_DEBUG_BITBANG 0x00000001
+#define CC_DEBUG_COMMAND 0x00000002
+#define CC_DEBUG_INSTRUCTIONS 0x00000004
+
+/* ccdbg-command.c */
+void
+ccdbg_debug_mode(struct ccdbg *dbg);
+
+void
+ccdbg_reset(struct ccdbg *dbg);
+
+uint8_t
+ccdbg_chip_erase(struct ccdbg *dbg);
+
+uint8_t
+ccdbg_wr_config(struct ccdbg *dbg, uint8_t config);
+
+uint8_t
+ccdbg_rd_config(struct ccdbg *dbg);
+
+uint8_t
+ccdbg_get_pc(struct ccdbg *dbg);
+
+uint8_t
+ccdbg_read_status(struct ccdbg *dbg);
+
+uint8_t
+ccdbg_set_hw_brkpnt(struct ccdbg *dbg, uint8_t number, uint8_t enable, uint16_t addr);
+
+uint8_t
+ccdbg_halt(struct ccdbg *dbg);
+
+uint8_t
+ccdbg_resume(struct ccdbg *dbg);
+
+uint8_t
+ccdbg_debug_instr(struct ccdbg *dbg, uint8_t *instr, int nbytes);
+
+uint8_t
+ccdbg_step_instr(struct ccdbg *dbg);
+
+uint8_t
+ccdbg_step_replace(struct ccdbg *dbg, uint8_t *instr, int nbytes);
+
+uint16_t
+ccdbg_get_chip_id(struct ccdbg *dbg);
+
+uint8_t
+ccdbg_execute(struct ccdbg *dbg, uint8_t *inst);
+
+/* ccdbg-debug.c */
+void
+ccdbg_debug(int level, char *format, ...);
+
+void
+ccdbg_add_debug(int level);
+
+void
+ccdbg_clear_debug(int level);
+
+/* ccdbg-hex.c */
+struct hex_record {
+ uint8_t length;
+ uint16_t address;
+ uint8_t type;
+ uint8_t checksum;
+ uint8_t data[0];
+};
+
+struct hex_file {
+ int nrecord;
+ struct hex_record *records[0];
+};
+
+#define HEX_RECORD_NORMAL 0x00
+#define HEX_RECORD_EOF 0x01
+#define HEX_RECORD_EXTENDED_ADDRESS 0x02
+
+struct hex_file *
+ccdbg_hex_file_read(FILE *file, char *name);
+
+void
+ccdbg_hex_file_free(struct hex_file *hex);
+
+/* ccdbg-io.c */
+void
+ccdbg_half_clock(struct ccdbg *dbg);
+
+int
+ccdbg_write(struct ccdbg *dbg, uint8_t mask, uint8_t value);
+
+uint8_t
+ccdbg_read(struct ccdbg *dbg);
+
+struct ccdbg *
+ccdbg_open(char *file);
+
+void
+ccdbg_close(struct ccdbg *dbg);
+
+void
+ccdbg_clock_1_0(struct ccdbg *dbg);
+
+void
+ccdbg_clock_0_1(struct ccdbg *dbg);
+
+void
+ccdbg_write_bit(struct ccdbg *dbg, uint8_t bit);
+
+void
+ccdbg_write_byte(struct ccdbg *dbg, uint8_t byte);
+
+uint8_t
+ccdbg_read_bit(struct ccdbg *dbg);
+
+uint8_t
+ccdbg_read_byte(struct ccdbg *dbg);
+
+void
+ccdbg_cmd_write(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
+
+uint8_t
+ccdbg_cmd_write_read8(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
+
+uint16_t
+ccdbg_cmd_write_read16(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len);
+
+void
+ccdbg_send(struct ccdbg *dbg, uint8_t mask, uint8_t set);
+
+void
+ccdbg_send_bit(struct ccdbg *dbg, uint8_t bit);
+
+void
+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);
+
+uint8_t
+ccdbg_recv_byte(struct ccdbg *dbg, int first);
+
+void
+ccdbg_recv_bytes(struct ccdbg *dbg, uint8_t *bytes, int nbytes);
+
+void
+ccdbg_print(char *format, uint8_t mask, uint8_t set);
+
+/* ccdbg-manual.c */
+
+void
+ccdbg_manual(struct ccdbg *dbg, FILE *input);
+
+/* ccdbg-memory.c */
+uint8_t
+ccdbg_write_memory(struct ccdbg *dbg, uint16_t addr, uint8_t *bytes, int nbytes);
+
+uint8_t
+ccdbg_read_memory(struct ccdbg *dbg, uint16_t addr, uint8_t *bytes, int nbytes);
+
+uint8_t
+ccdbg_write_hex(struct ccdbg *dbg, struct hex_file *hex);
+
+/* cp-usb.c */
+void
+cp_usb_init(struct ccdbg *dbg);
+
+void
+cp_usb_fini(struct ccdbg *dbg);
+
+void
+cp_usb_write(struct ccdbg *dbg, uint8_t mask, uint8_t value);
+
+uint8_t
+cp_usb_read(struct ccdbg *dbg);
+
#endif /* _CCDBG_H_ */