diff options
-rw-r--r-- | src/drivers/lsm303d/lsm303d.cpp | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/src/drivers/lsm303d/lsm303d.cpp b/src/drivers/lsm303d/lsm303d.cpp index 60601e22c..c21a25522 100644 --- a/src/drivers/lsm303d/lsm303d.cpp +++ b/src/drivers/lsm303d/lsm303d.cpp @@ -201,6 +201,11 @@ public: */ void print_info(); + /** + * dump register values + */ + void print_registers(); + protected: virtual int probe(); @@ -1380,6 +1385,30 @@ LSM303D::print_info() _mag_reports->print_info("mag reports"); } +void +LSM303D::print_registers() +{ + const struct { + uint8_t reg; + const char *name; + } regmap[] = { + { ADDR_WHO_AM_I, "WHO_AM_I" }, + { ADDR_STATUS_A, "STATUS_A" }, + { ADDR_STATUS_M, "STATUS_M" }, + { ADDR_CTRL_REG0, "CTRL_REG0" }, + { ADDR_CTRL_REG1, "CTRL_REG1" }, + { ADDR_CTRL_REG2, "CTRL_REG2" }, + { ADDR_CTRL_REG3, "CTRL_REG3" }, + { ADDR_CTRL_REG4, "CTRL_REG4" }, + { ADDR_CTRL_REG5, "CTRL_REG5" }, + { ADDR_CTRL_REG6, "CTRL_REG6" }, + { ADDR_CTRL_REG7, "CTRL_REG7" }, + }; + for (uint8_t i=0; i<sizeof(regmap)/sizeof(regmap[0]); i++) { + printf("0x%02x %s\n", read_reg(regmap[i].reg), regmap[i].name); + } +} + LSM303D_mag::LSM303D_mag(LSM303D *parent) : CDev("LSM303D_mag", MAG_DEVICE_PATH), _parent(parent) @@ -1432,6 +1461,7 @@ void start(); void test(); void reset(); void info(); +void regdump(); /** * Start the driver. @@ -1603,6 +1633,21 @@ info() exit(0); } +/** + * dump registers from device + */ +void +regdump() +{ + if (g_dev == nullptr) + errx(1, "driver not running\n"); + + printf("regdump @ %p\n", g_dev); + g_dev->print_registers(); + + exit(0); +} + } // namespace @@ -1634,5 +1679,11 @@ lsm303d_main(int argc, char *argv[]) if (!strcmp(argv[1], "info")) lsm303d::info(); - errx(1, "unrecognized command, try 'start', 'test', 'reset' or 'info'"); + /* + * dump device registers + */ + if (!strcmp(argv[1], "regdump")) + lsm303d::regdump(); + + errx(1, "unrecognized command, try 'start', 'test', 'reset', 'info' or 'regdump'"); } |