From 8e64857ee1c6c480b56647b10cecb7edbfeacb3f Mon Sep 17 00:00:00 2001
From: Leon Hiemstra <hiemstra@astron.nl>
Date: Thu, 24 Sep 2015 10:37:42 +0000
Subject: [PATCH] implemented the I2C commands for the PMBUS
---
.../src/vhdl/unb2_board_sens_ctrl.vhd | 20 +++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/boards/uniboard2/libraries/unb2_board/src/vhdl/unb2_board_sens_ctrl.vhd b/boards/uniboard2/libraries/unb2_board/src/vhdl/unb2_board_sens_ctrl.vhd
index f4456a9af4..cb14bef3cd 100644
--- a/boards/uniboard2/libraries/unb2_board/src/vhdl/unb2_board_sens_ctrl.vhd
+++ b/boards/uniboard2/libraries/unb2_board/src/vhdl/unb2_board_sens_ctrl.vhd
@@ -58,6 +58,13 @@ ARCHITECTURE rtl OF unb2_board_sens_ctrl IS
CONSTANT ETH_MAX1617_ADR : NATURAL := MAX1617_ADR_MID_LOW; -- ETH temperature sensor, slave address is "0101001"
CONSTANT HOTSWAP_LTC4260_ADR : NATURAL := LTC4260_ADR_LOW_LOW_LOW; -- Hot swap controller, slave address is "1000100";
+ CONSTANT LOC_POWER_TR_R : NATURAL := 16#0E#;
+ CONSTANT LP_VOUT_MODE : NATURAL := 16#20#;
+ CONSTANT LP_VOUT : NATURAL := 16#8B#;
+ CONSTANT LP_IOUT : NATURAL := 16#8C#;
+ CONSTANT LP_TEMP : NATURAL := 16#8D#;
+
+
TYPE t_SEQUENCE IS ARRAY (NATURAL RANGE <>) OF NATURAL;
-- The I2C bit rate is c_i2c_bit_rate = 50 [kbps], so 20 us period. Hence 20 us wait time for SDA is enough
@@ -65,10 +72,15 @@ ARCHITECTURE rtl OF unb2_board_sens_ctrl IS
CONSTANT c_timeout_sda : NATURAL := sel_a_b(g_sim, 0, 16); -- wait 16 * 256 = 4096 clk periods
CONSTANT c_SEQ : t_SEQUENCE := (
- SMBUS_READ_BYTE , FPGA_MAX1617_ADR, MAX1617_CMD_READ_REMOTE_TEMP,
- SMBUS_READ_BYTE , ETH_MAX1617_ADR, MAX1617_CMD_READ_REMOTE_TEMP,
- SMBUS_READ_BYTE , HOTSWAP_LTC4260_ADR, LTC4260_CMD_SENSE,
- SMBUS_READ_BYTE , HOTSWAP_LTC4260_ADR, LTC4260_CMD_SOURCE,
+ SMBUS_READ_BYTE , LOC_POWER_TR_R, LP_VOUT_MODE,
+ SMBUS_READ_WORD , LOC_POWER_TR_R, LP_VOUT,
+ SMBUS_READ_WORD , LOC_POWER_TR_R, LP_IOUT,
+ SMBUS_READ_WORD , LOC_POWER_TR_R, LP_TEMP,
+
+ --SMBUS_READ_BYTE , FPGA_MAX1617_ADR, MAX1617_CMD_READ_REMOTE_TEMP,
+ --SMBUS_READ_BYTE , ETH_MAX1617_ADR, MAX1617_CMD_READ_REMOTE_TEMP,
+ --SMBUS_READ_BYTE , HOTSWAP_LTC4260_ADR, LTC4260_CMD_SENSE,
+ --SMBUS_READ_BYTE , HOTSWAP_LTC4260_ADR, LTC4260_CMD_SOURCE,
SMBUS_C_SAMPLE_SDA, 0, c_timeout_sda, 0, 0,
SMBUS_C_END,
SMBUS_C_NOP
--
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