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Kévin Redon gerrit-no-reply at lists.osmocom.orgKévin Redon has uploaded this change for review. ( https://gerrit.osmocom.org/10124 Change subject: I2C: return error after failed write ...................................................................... I2C: return error after failed write The previous mechanism of retrying a failed write could become a infinite blocking loop (until watchdog tiemout). Also the array size is used to know how much data to write and verify instead of a constant. Change-Id: I8d2d090c5f4d1195f4c7eb29b3958a7bb05f56ec --- M firmware/libboard/qmod/source/board_qmod.c 1 file changed, 7 insertions(+), 7 deletions(-) git pull ssh://gerrit.osmocom.org:29418/simtrace2 refs/changes/24/10124/1 diff --git a/firmware/libboard/qmod/source/board_qmod.c b/firmware/libboard/qmod/source/board_qmod.c index 7ae1978..47a4cb6 100644 --- a/firmware/libboard/qmod/source/board_qmod.c +++ b/firmware/libboard/qmod/source/board_qmod.c @@ -70,8 +70,6 @@ #include "i2c.h" static int write_hub_eeprom(void) { - const unsigned int __eeprom_bin_len = 256; - int i; /* wait */ @@ -79,16 +77,18 @@ TRACE_INFO("Writing EEPROM...\n\r"); /* write the EEPROM once */ - for (i = 0; i < 256; i++) { + for (i = 0; i < ARRAY_SIZE(__eeprom_bin); i++) { int rc = eeprom_write_byte(0x50, i, __eeprom_bin[i]); - /* if the result was negative, repeat that write */ - if (rc < 0) - i--; + if (rc < 0) { + TRACE_ERROR("Writing EEPROM failed at byte %u: 0x%02x\n\r", + i, __eeprom_bin[i]); + return 1; + } } /* then pursue re-reading it again and again */ TRACE_INFO("Verifying EEPROM...\n\r"); - for (i = 0; i < 256; i++) { + for (i = 0; i < ARRAY_SIZE(__eeprom_bin); i++) { int byte = eeprom_read_byte(0x50, i); TRACE_INFO("0x%02x: %02x\n\r", i, byte); if (byte != __eeprom_bin[i]) -- To view, visit https://gerrit.osmocom.org/10124 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: simtrace2 Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I8d2d090c5f4d1195f4c7eb29b3958a7bb05f56ec Gerrit-Change-Number: 10124 Gerrit-PatchSet: 1 Gerrit-Owner: Kévin Redon <kredon at sysmocom.de> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20180724/7ab7878f/attachment.htm>