int do_date (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { struct rtc_time tm; int rcode = 0; int old_bus; /* switch to correct I2C bus */ old_bus = I2C_GET_BUS(); I2C_SET_BUS(CONFIG_SYS_RTC_BUS_NUM); switch (argc) { case 2: /* set date & time */ if (strcmp(argv[1],"reset") == 0) { puts ("Reset RTC...\n"); rtc_reset (); } else { /* initialize tm with current time */ rcode = rtc_get (&tm); if(!rcode) { /* insert new date & time */ if (mk_date (argv[1], &tm) != 0) { puts ("## Bad date format\n"); break; } /* and write to RTC */ rcode = rtc_set (&tm); if(rcode) puts("## Set date failled\n"); } else { puts("## Get date failled\n"); } } /* FALL TROUGH */ case 1: /* get date & time */ rcode = rtc_get (&tm); if (rcode) { puts("## Get date failled\n"); break; } printf ("Date: %4d-%02d-%02d (%sday) Time: %2d:%02d:%02d\n", tm.tm_year, tm.tm_mon, tm.tm_mday, (tm.tm_wday<0 || tm.tm_wday>6) ? "unknown " : RELOC(weekdays[tm.tm_wday]), tm.tm_hour, tm.tm_min, tm.tm_sec); break; default: cmd_usage(cmdtp); rcode = 1; } /* switch back to original I2C bus */ I2C_SET_BUS(old_bus); return rcode; }
void dtt_init(void) { int old_bus; /* switch to correct I2C bus */ old_bus = I2C_GET_BUS(); I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM); _initialize_dtt(); /* switch back to original I2C bus */ I2C_SET_BUS(old_bus); }
int tps65911_read(u8 addr, u8* buf, int length) { int old_bus; old_bus = I2C_GET_BUS(); I2C_SET_BUS(0); if (i2c_read(TPS65911_SLAVE_ADDR, addr, 0x1, buf, length) != 0) { puts ("Error reading tps65911.\n"); return -1; } if(old_bus != 0) I2C_SET_BUS(old_bus); return 0; }
int tps65911_config(u8 addr, u8 val) { int ret; int old_bus; old_bus = I2C_GET_BUS(); I2C_SET_BUS(0); ret = i2c_write(TPS65911_SLAVE_ADDR, addr, 0x1, &val, 0x1); if (ret != 0) { puts ("Error writing tps65911.\n"); } if(old_bus != 0) I2C_SET_BUS(old_bus); return ret; }
int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { int i; unsigned char sensors[] = CONFIG_DTT_SENSORS; int old_bus; /* switch to correct I2C bus */ old_bus = I2C_GET_BUS(); I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM); /* * Loop through sensors, read * temperature, and output it. */ for (i = 0; i < sizeof (sensors); i++) printf ("DTT%d: %i C\n", i + 1, dtt_get_temp (sensors[i])); /* switch back to original I2C bus */ I2C_SET_BUS(old_bus); return 0; } /* do_dtt() */
int dtt_i2c(void) { #if defined CONFIG_DTT_SENSORS int i; unsigned char sensors[] = CONFIG_DTT_SENSORS; int old_bus; /* Force a compilation error, if there are more then 32 sensors */ BUILD_BUG_ON(sizeof(sensors) > 32); /* switch to correct I2C bus */ #ifdef CONFIG_SYS_I2C old_bus = i2c_get_bus_num(); i2c_set_bus_num(CONFIG_SYS_DTT_BUS_NUM); #else old_bus = I2C_GET_BUS(); I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM); #endif _initialize_dtt(); /* * Loop through sensors, read * temperature, and output it. */ for (i = 0; i < sizeof(sensors); i++) printf("DTT%d: %i C\n", i + 1, dtt_get_temp(sensors[i])); /* switch back to original I2C bus */ #ifdef CONFIG_SYS_I2C i2c_set_bus_num(old_bus); #else I2C_SET_BUS(old_bus); #endif #endif return 0; }
static int do_date(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { struct rtc_time tm; int rcode = 0; int old_bus __maybe_unused; /* switch to correct I2C bus */ #ifdef CONFIG_DM_RTC struct udevice *dev; rcode = uclass_get_device(UCLASS_RTC, 0, &dev); if (rcode) { printf("Cannot find RTC: err=%d\n", rcode); return CMD_RET_FAILURE; } #elif defined(CONFIG_SYS_I2C) old_bus = i2c_get_bus_num(); i2c_set_bus_num(CONFIG_SYS_RTC_BUS_NUM); #else old_bus = I2C_GET_BUS(); I2C_SET_BUS(CONFIG_SYS_RTC_BUS_NUM); #endif switch (argc) { case 2: /* set date & time */ if (strcmp(argv[1],"reset") == 0) { puts ("Reset RTC...\n"); #ifdef CONFIG_DM_RTC rcode = dm_rtc_reset(dev); if (!rcode) rcode = dm_rtc_set(dev, &default_tm); #else rtc_reset(); rcode = rtc_set(&default_tm); #endif if (rcode) puts("## Failed to set date after RTC reset\n"); } else { /* initialize tm with current time */ #ifdef CONFIG_DM_RTC rcode = dm_rtc_get(dev, &tm); #else rcode = rtc_get(&tm); #endif if (!rcode) { /* insert new date & time */ if (mk_date(argv[1], &tm) != 0) { puts ("## Bad date format\n"); break; } /* and write to RTC */ #ifdef CONFIG_DM_RTC rcode = dm_rtc_set(dev, &tm); #else rcode = rtc_set(&tm); #endif if (rcode) { printf("## Set date failed: err=%d\n", rcode); } } else { puts("## Get date failed\n"); } } /* FALL TROUGH */ case 1: /* get date & time */ #ifdef CONFIG_DM_RTC rcode = dm_rtc_get(dev, &tm); #else rcode = rtc_get(&tm); #endif if (rcode) { puts("## Get date failed\n"); break; } printf ("Date: %4d-%02d-%02d (%sday) Time: %2d:%02d:%02d\n", tm.tm_year, tm.tm_mon, tm.tm_mday, (tm.tm_wday<0 || tm.tm_wday>6) ? "unknown " : RELOC(weekdays[tm.tm_wday]), tm.tm_hour, tm.tm_min, tm.tm_sec); break; default: rcode = CMD_RET_USAGE; } /* switch back to original I2C bus */ #ifdef CONFIG_SYS_I2C i2c_set_bus_num(old_bus); #elif !defined(CONFIG_DM_RTC) I2C_SET_BUS(old_bus); #endif return rcode ? CMD_RET_FAILURE : 0; }