diff options
Diffstat (limited to 'src/import/chips')
-rw-r--r-- | src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/i2c/exp_i2c.H | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/i2c/exp_i2c.H b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/i2c/exp_i2c.H index 81525afa1..c6dd2b7df 100644 --- a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/i2c/exp_i2c.H +++ b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/i2c/exp_i2c.H @@ -149,6 +149,25 @@ fapi_try_exit: return fapi2::current_err; } +/// +/// @brief Checks if the I2C interface returns an ACK +/// @param[in] i_target the OCMB target +/// @return FAPI2_RC_SUCCESS iff okay +/// +inline fapi2::ReturnCode is_ready(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target) +{ + // We send a simple but valid command to poll the I2C + // Arbitrarily send an EXP_FW_STATUS command id + size_t l_size = 0; + std::vector<uint8_t> l_cmd_id; + fw_status_setup(l_size, l_cmd_id); + + // We just ignore the data. We'll see FAPI2_RC_SUCCESS if + // the I2C returns an ACK. + std::vector<uint8_t> l_data; + return fapi2::getI2c(i_target, l_size, l_cmd_id, l_data); +} + }// i2c }// exp }// mss |