nbhw16: shield: cleanup indent, don't show specific erros, show usage instead

This commit is contained in:
Stefan Eichenberger 2017-09-04 10:08:49 +02:00
parent 1fe2efa399
commit 4c8d1c8447
3 changed files with 36 additions and 35 deletions

View File

@ -34,32 +34,31 @@ int shield_gpio_request_as_input(unsigned int gpio, const char *label)
void shield_register(struct shield_t *shield) void shield_register(struct shield_t *shield)
{ {
if (shield_count >= MAX_SHIELDS) { if (shield_count >= MAX_SHIELDS) {
printf("Max shield count reached (%d), please increment MAX_SHIELDS\n", MAX_SHIELDS); printf("Max shield count reached (%d), please increment MAX_SHIELDS\n", MAX_SHIELDS);
return; return;
} }
shields[shield_count++] = shield; shields[shield_count++] = shield;
} }
int shield_set_mode(const char* shield_type, int argc, char * const argv[]) int shield_set_mode(const char* shield_type, int argc, char * const argv[])
{ {
int i; int i;
for (i = 0; i < shield_count; i++) { for (i = 0; i < shield_count; i++) {
if (strcmp(shield_type, shields[i]->name) == 0) { if (strcmp(shield_type, shields[i]->name) == 0) {
return shields[i]->setmode(argv, argc); return shields[i]->setmode(argv, argc);
} }
} }
printf("Shield %s is unknown\n", shield_type); printf("Shield %s is unknown\n", shield_type);
return -1; return -1;
} }
static int do_shieldmode(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) static int do_shieldmode(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{ {
if (argc < 3) { if (argc < 3) {
puts("Invalid command (see help)\n");
return -1; return -1;
} }
return shield_set_mode(argv[1], argc - 2, &argv[2]); return shield_set_mode(argv[1], argc - 2, &argv[2]);
} }

View File

@ -37,7 +37,7 @@ static int request_gpios(void)
{ {
int ret; int ret;
debug("Shiled configure gpios\n"); debug("Shield configure gpios\n");
ret = shield_gpio_request_as_input(NETBIRD_GPIO_RST_SHIELD_N, "shield-rst"); ret = shield_gpio_request_as_input(NETBIRD_GPIO_RST_SHIELD_N, "shield-rst");
if ((ret < 0)) if ((ret < 0))
return -1; return -1;
@ -57,12 +57,12 @@ static int request_gpios(void)
static int configure_shieldmode(int mode) static int configure_shieldmode(int mode)
{ {
int ret; int ret;
if (mode < 0 || mode > 3) { if (mode < 0 || mode > 3) {
printf("Invalid shield mode %d\n", mode); debug("Invalid shield mode %d\n", mode);
return -1; return -1;
} }
debug("Shield type dualcan\n"); debug("Shield type dualcan\n");
debug ("Set shield mode to %d\n", mode); debug ("Set shield mode to %d\n", mode);
@ -144,8 +144,8 @@ static int get_termination(const char* termination)
return 0; return 0;
} }
printf ("Invalid termination mode %s (falling back to off)", termination); debug ("Invalid termination mode %s (falling back to off)", termination);
return 0; return -1;
} }
static int get_mode_from_args(char * const argv[], int argc) static int get_mode_from_args(char * const argv[], int argc)
@ -157,12 +157,15 @@ static int get_mode_from_args(char * const argv[], int argc)
assert(argc == (CAN_PORTS + 1)); assert(argc == (CAN_PORTS + 1));
if (strcmp ("termination", argv[0])) { if (strcmp ("termination", argv[0])) {
puts("The only option for dualcan is terminations\n"); debug("The only option for dualcan is terminations\n");
return -1; return -1;
} }
for (i = 0; i < CAN_PORTS; i ++) { for (i = 0; i < CAN_PORTS; i ++) {
terminations[i] = get_termination(argv[i + 1]); terminations[i] = get_termination(argv[i + 1]);
if (terminations[i] < 0) {
return -1;
}
} }
/* Termination is inverse */ /* Termination is inverse */
@ -172,12 +175,11 @@ static int get_mode_from_args(char * const argv[], int argc)
static int set_shieldmode(char * const argv[], int argc) static int set_shieldmode(char * const argv[], int argc)
{ {
if (argc != 3) { if (argc != 3) {
puts("Too few arguments for dualcan\n"); debug("Too few arguments for dualcan\n");
return -1; return -1;
} }
configure_shieldmode(get_mode_from_args(argv, argc)); return configure_shieldmode(get_mode_from_args(argv, argc));
return 0;
} }
struct shield_t can_shield = { struct shield_t can_shield = {

View File

@ -55,12 +55,12 @@ static int request_gpios(void)
static int configure_shieldmode(int mode) static int configure_shieldmode(int mode)
{ {
int ret; int ret;
if (mode < 0 || mode > 3) { if (mode < 0 || mode > 3) {
printf("Invalid shield mode %d\n", mode); printf("Invalid shield mode %d\n", mode);
return -1; return -1;
} }
debug("Shield type comio\n"); debug("Shield type comio\n");
debug ("Set shield mode to %d\n", mode); debug ("Set shield mode to %d\n", mode);
@ -169,7 +169,7 @@ static int get_mode_from_args(char * const argv[], int argc)
int termination = 0; int termination = 0;
int rs232 = 0; int rs232 = 0;
assert(argc >= 2); assert(argc >= 2);
if (strcmp ("mode", argv[0])) { if (strcmp ("mode", argv[0])) {
puts("Invalid arguments (see help)\n"); puts("Invalid arguments (see help)\n");
@ -200,7 +200,7 @@ int set_shieldmode(char * const argv[], int argc)
configure_shieldmode(get_mode_from_args(argv, argc)); configure_shieldmode(get_mode_from_args(argv, argc));
return 0; return 0;
} }
struct shield_t comio_shield = { struct shield_t comio_shield = {