Mercurial > nand-ecoscentric
changeset 3344:1053b0d2490c
* src/can_lpc2xxx.c: Add support for new config key
CYG_IO_GET_CONFIG_CAN_ERR_COUNTERS.
| author | sergeig |
|---|---|
| date | Wed, 28 Aug 2013 16:29:23 +0000 |
| parents | edcc78939bd0 |
| children | b06697684f0a |
| files | packages/devs/can/arm/lpc2xxx/current/ChangeLog packages/devs/can/arm/lpc2xxx/current/src/can_lpc2xxx.c |
| diffstat | 2 files changed, 20 insertions(+), 1 deletions(-) [+] |
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--- a/packages/devs/can/arm/lpc2xxx/current/ChangeLog +++ b/packages/devs/can/arm/lpc2xxx/current/ChangeLog @@ -1,3 +1,8 @@ +2013-06-24 Uwe Kindler <uwe_kindler@web.de> + + * src/can_lpc2xxx.c: Add support for new config key + CYG_IO_GET_CONFIG_CAN_ERR_COUNTERS. + 2013-05-06 Uwe Kindler <uwe_kindler@web.de> * src/can_lpc2xxx.c: Changed return code for message filter
--- a/packages/devs/can/arm/lpc2xxx/current/src/can_lpc2xxx.c +++ b/packages/devs/can/arm/lpc2xxx/current/src/can_lpc2xxx.c @@ -1484,7 +1484,7 @@ static Cyg_ErrNo lpc2xxx_can_get_config( // - // Query hardware description of FlexCAN device driver + // Query hardware description of LPC2xxx CAN device driver // case CYG_IO_GET_CONFIG_CAN_HDI : { @@ -1497,6 +1497,20 @@ static Cyg_ErrNo lpc2xxx_can_get_config( | CYGNUM_CAN_HDI_FULLCAN; } break; + + // + // Read error counters from device hardware + // + case CYG_IO_GET_CONFIG_CAN_ERR_COUNTERS : + { + lsc_buf_t data; + cyg_can_err_count_info* err_info = (cyg_can_err_count_info*)buf; + HAL_READ_UINT32(CAN_CTRL_GSR(info), data.dword); + err_info->rx_err_count = data.bytes[2]; + err_info->tx_err_count = data.bytes[3]; + *len = sizeof(cyg_can_err_count_info); + } + break; default : res = -EINVAL;