diff options
Diffstat (limited to 'util/mts_util_lora2_reset.c')
| -rw-r--r-- | util/mts_util_lora2_reset.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/util/mts_util_lora2_reset.c b/util/mts_util_lora2_reset.c index 9ec1607..6cd6593 100644 --- a/util/mts_util_lora2_reset.c +++ b/util/mts_util_lora2_reset.c @@ -41,9 +41,6 @@ #define MAX_FPGA_LOADING_TIMER 10 -i/* Initial value of the port expander - I/O states (read or read/write). */ -int port_expander_val0 = -1; int global_i2c_fd = -1; int i2c_open( uint8_t i21c_addr ) @@ -88,7 +85,7 @@ void i2c_read( uint8_t i21c_addr, uint8_t reg_addr, uint8_t *bval ) if( ioctl(global_i2c_fd, I2C_RDWR, &b) < 0 ) { - fprintf(stderr,"ERROR: Read from I2C Device failed (%d, 0x%02x, 0x%02x) - %s", global_i2c_fd, i21c_addr, reg_addr, strerror(errno) ); + fprintf(stderr,"ERROR: Read from I2C Device failed (%d, 0x%02x, 0x%02x) - %s\n", global_i2c_fd, i21c_addr, reg_addr, strerror(errno) ); } } @@ -111,7 +108,7 @@ void i2c_write( uint8_t i21c_addr, uint8_t reg_addr, uint8_t bval ) if( ioctl(global_i2c_fd, I2C_RDWR, &b) < 0 ) { - fprintf(stderr,"ERROR: Write to I2C Device failed (%d, 0x%02x, 0x%02x) - %s", global_i2c_fd, i21c_addr, reg_addr, strerror(errno) ); + fprintf(stderr,"ERROR: Write to I2C Device failed (%d, 0x%02x, 0x%02x) - %s\n", global_i2c_fd, i21c_addr, reg_addr, strerror(errno) ); return; } @@ -174,7 +171,7 @@ int main( int argc, char ** argv ) } if (!(opt_reset_fpga || opt_gps_reset)) { - fprintf(stderr,"Nothing to do!"); + fprintf(stderr,"Nothing to do!\n"); exit(0); } @@ -205,9 +202,8 @@ int main( int argc, char ** argv ) } /* Configuration of the I2C port expander */ - i2c_read( I2CADDR_PORTEXPANDER, PORTEXPANDER_CONFIG_PORT0_REG, (uint8_t *)&port_expander_val0 ); + i2c_read( I2CADDR_PORTEXPANDER, PORTEXPANDER_CONFIG_PORT0_REG, (uint8_t *)&val ); fprintf(stderr, "I2C expander Port 0 config initial state: register: 0x%02x\n", val ); - val = port_expander_val0; if (opt_reset_fpga) { val &= ~(1 << FPGA_nCE_PORT); /* CE_PORT as output */ val &= ~(1 << FPGA_nCONFIG_PORT); /* CONFIG_PORT as output */ @@ -355,8 +351,9 @@ int main( int argc, char ** argv ) fprintf(stderr, "ERRROR: failed to open I2C device (err=%i)\n", err ); return EXIT_FAILURE; } - fprintf(stderr, "I2C expander Port 0 config register: 0x%02x\n", port_expander_val0 ); - i2c_write( I2CADDR_PORTEXPANDER, PORTEXPANDER_CONFIG_PORT0_REG, port_expander_val0 ); + val = 0xff; + fprintf(stderr, "Completed reset(s). Disabling I2C expander Port 0 config register: 0x%02x\n", val ); + i2c_write( I2CADDR_PORTEXPANDER, PORTEXPANDER_CONFIG_PORT0_REG, val ); i2c_close(); return 0; |