// Max data transfer size.
// 6kB = max mem32_read block, 8kB sram
//#define Q_BUF_LEN 96
-#define Q_BUF_LEN 1024 * 100
+#define Q_BUF_LEN (1024 * 100)
// st-link vendor cmd's
#define USB_ST_VID 0x0483
#define USB_STLINK_PID 0x3744
+#define USB_STLINK_32L_PID 0x3748
// STLINK_DEBUG_RESETSYS, etc:
#define STLINK_OK 0x80
#define STLINK_DEBUG_COMMAND 0xF2
#define STLINK_DFU_COMMAND 0xF3
#define STLINK_DFU_EXIT 0x07
+ // enter dfu could be 0x08?
// STLINK_GET_CURRENT_MODE
#define STLINK_DEV_DFU_MODE 0x00
#define STLINK_DEBUG_WRITEDEBUGREG 0x0f
#define STLINK_DEBUG_ENTER_SWD 0xa3
#define STLINK_DEBUG_ENTER_JTAG 0x00
+
+ // TODO - possible poor names...
+#define STLINK_SWD_ENTER 0x30
+#define STLINK_SWD_READCOREID 0x32 // TBD
+
+// cortex m3 technical reference manual
+#define CM3_REG_CPUID 0xE000ED00
+#define CM3_REG_FP_CTRL 0xE0002000
+#define CM3_REG_FP_COMP0 0xE0002008
+
+/* Enough space to hold both a V2 command or a V1 command packaged as generic scsi*/
+#define C_BUF_LEN 32
typedef struct {
uint32_t r[16];
} reg;
typedef uint32_t stm32_addr_t;
+
+ typedef struct _cortex_m3_cpuid_ {
+ uint16_t implementer_id;
+ uint16_t variant;
+ uint16_t part;
+ uint8_t revision;
+ } cortex_m3_cpuid_t;
+
+ typedef struct stlink_version_ {
+ uint32_t stlink_v;
+ uint32_t jtag_v;
+ uint32_t swim_v;
+ uint32_t st_vid;
+ uint32_t stlink_pid;
+ } stlink_version_t;
typedef struct flash_loader {
stm32_addr_t loader_addr; /* loader sram adddr */
void (*reset) (stlink_t * stl);
void (*run) (stlink_t * stl);
void (*status) (stlink_t * stl);
- void (*version) (stlink_t * stl);
+ void (*version) (stlink_t *sl);
void (*read_mem32) (stlink_t *sl, uint32_t addr, uint16_t len);
void (*write_mem32) (stlink_t *sl, uint32_t addr, uint16_t len);
void (*write_mem8) (stlink_t *sl, uint32_t addr, uint16_t len);
- void (*read_all_reg) (stlink_t * stl);
- void (*read_reg) (stlink_t *sl, int r_idx, reg* regp);
+ void (*read_all_regs) (stlink_t *sl, reg * regp);
+ void (*read_reg) (stlink_t *sl, int r_idx, reg * regp);
void (*write_reg) (stlink_t *sl, uint32_t reg, int idx);
void (*step) (stlink_t * stl);
int (*current_mode) (stlink_t * stl);
+ void (*force_debug) (stlink_t *sl);
} stlink_backend_t;
struct _stlink {
struct _stlink_backend *backend;
void *backend_data;
+ // Room for the command header
+ unsigned char c_buf[C_BUF_LEN];
// Data transferred from or to device
unsigned char q_buf[Q_BUF_LEN];
int q_len;
#define STM32_FLASH_BASE 0x08000000
#define STM32_FLASH_SIZE (128 * 1024)
#define STM32_FLASH_PGSZ 1024
+#define STM32L_FLASH_PGSZ 256
stm32_addr_t flash_base;
size_t flash_size;
size_t flash_pgsz;
/* sram settings */
#define STM32_SRAM_BASE 0x20000000
#define STM32_SRAM_SIZE (8 * 1024)
+#define STM32L_SRAM_SIZE (16 * 1024)
stm32_addr_t sram_base;
size_t sram_size;
void stlink_exit_debug_mode(stlink_t *sl);
void stlink_exit_dfu_mode(stlink_t *sl);
void stlink_close(stlink_t *sl);
- void stlink_core_id(stlink_t *sl);
+ uint32_t stlink_core_id(stlink_t *sl);
void stlink_reset(stlink_t *sl);
void stlink_run(stlink_t *sl);
void stlink_status(stlink_t *sl);
void stlink_read_mem32(stlink_t *sl, uint32_t addr, uint16_t len);
void stlink_write_mem32(stlink_t *sl, uint32_t addr, uint16_t len);
void stlink_write_mem8(stlink_t *sl, uint32_t addr, uint16_t len);
- void stlink_read_all_regs(stlink_t *sl);
+ void stlink_read_all_regs(stlink_t *sl, reg *regp);
void stlink_read_reg(stlink_t *sl, int r_idx, reg *regp);
void stlink_write_reg(stlink_t *sl, uint32_t reg, int idx);
void stlink_step(stlink_t *sl);
int stlink_current_mode(stlink_t *sl);
+ void stlink_force_debug(stlink_t *sl);
// unprocessed
- void stlink_force_debug(stlink_t *sl);
-
int stlink_erase_flash_mass(stlink_t* sl);
int stlink_write_flash(stlink_t* sl, stm32_addr_t address, uint8_t* data, unsigned length);
+ int stlink_fwrite_flash(stlink_t *sl, const char* path, stm32_addr_t addr);
+
+ // PUBLIC
+ uint16_t stlink_chip_id(stlink_t *sl);
+ void stlink_cpu_id(stlink_t *sl, cortex_m3_cpuid_t *cpuid);
// privates, publics, the rest....
// TODO sort what is private, and what is not