add i2c scan check in test02 and test04, add serdes sync check in test05

4511dc39 · Matthieu Cattin · f1d55d46 · 4511dc39 · 4511dc39 · 4511dc39
Commit 4511dc39 authored Sep 07, 2011 by Matthieu Cattin
6 changed files
--- a/test/fmcadc100m14b4cha/python/fmc_adc.py
+++ b/test/fmcadc100m14b4cha/python/fmc_adc.py
@@ -199,12 +199,12 @@ class CFmcAdc100Ms:
    # scan FMC i2c bus
    def i2c_scan(self):
        print '\nScan I2C bus'
-        self.fmc_i2c.scan()
+        return self.fmc_i2c.scan()

    # scan FMC system i2c bus
    def sys_i2c_scan(self):
        print '\nScan system I2C bus'
-        self.fmc_sys_i2c.scan()
+        return self.fmc_sys_i2c.scan()

    # Set input range
    def set_input_range(self, channel, range):

--- a/test/fmcadc100m14b4cha/python/i2c.py
+++ b/test/fmcadc100m14b4cha/python/i2c.py
@@ -91,6 +91,7 @@ class COpenCoresI2C:
        return self.rd_reg(self.R_RXR)

    def scan(self):
+        periph_addr = []
        for i in range(0,128):
            addr = i << 1
            addr |= 1
@@ -99,11 +100,14 @@ class COpenCoresI2C:
            self.wait_busy()

            if(not(self.rd_reg(self.R_SR) & self.SR_RXACK)):
-                print("Device found at address: %.2X") % i
+                periph_addr.append(i)
+                print("Device found at address: 0x%.2X") % i
                self.wr_reg(self.R_TXR, 0)
                self.wr_reg(self.R_CR, self.CR_STO | self.CR_WR)
                self.wait_busy()

+        return periph_addr
+

 ##########################################
 # Usage example

--- a/test/fmcadc100m14b4cha/python/test02.py
+++ b/test/fmcadc100m14b4cha/python/test02.py
@@ -23,6 +23,8 @@ test02: Test EEPROM and write information data as specified in FMC standard
 Note: Requires test00.py to run first to load the firmware!
 """

+EEPROM_ADDR = 0x50
+
 def main (default_directory='.'):

    """
@@ -42,8 +44,18 @@ def main (default_directory='.'):
    fmc = fmc_adc.CFmcAdc100Ms(spec)

    # Scan FMC system i2c bus
-    fmc.sys_i2c_scan()
+    periph_addr = fmc.sys_i2c_scan()
+
+    # Check that the EEPROM is detected on the I2C bus
+    if(0 == len(periph_addr)):
+        raise PtsError('No peripheral detected on system management I2C bus')
+    else:
+        if(1 != len(periph_addr)):
+            raise PtsError('Signal integrity problem detected on system management I2C bus, %d devices detected instead of 1'%(len(periph_addr)))
+        else:
+            if(EEPROM_ADDR != periph_addr[0]):
+                raise PtsError('Wrong device mounted on system management I2C bus, address is:0x%.2X expected:0x%.2X'%(periph_addr[0],EEPROM_ADDR))


 if __name__ == '__main__' :
-	main();
+    main()
--- a/test/fmcadc100m14b4cha/python/test04.py
+++ b/test/fmcadc100m14b4cha/python/test04.py
@@ -21,6 +21,7 @@ test04: Test Si570 programmable oscillator
 Note: Requires test00.py to run first to load the firmware!
 """

+SI570_ADDR = 0x55
 SI570_RFREQ = 42
 SI570_N1 = 7
 SI570_HS_DIV = 2
@@ -44,7 +45,17 @@ def main (default_directory='.'):
    fmc = fmc_adc.CFmcAdc100Ms(spec)

    # Scan i2c bus
-    fmc.i2c_scan()
+    periph_addr = fmc.i2c_scan()
+
+    # Check that the EEPROM is detected on the I2C bus
+    if(0 == len(periph_addr)):
+        raise PtsError('No peripheral detected on I2C bus')
+    else:
+        if(1 != len(periph_addr)):
+            raise PtsError('Signal integrity problem detected on I2C bus, %d devices detected instead of 1'%(len(periph_addr)))
+        else:
+            if(SI570_ADDR != periph_addr[0]):
+                raise PtsError('Wrong device mounted on I2C bus, address is:0x%.2X expected:0x%.2X'%(periph_addr[0],SI570_ADDR))

    # Get Si570 configuration
    si570_config = fmc.get_si570_config()

--- a/test/fmcadc100m14b4cha/python/test05.py
+++ b/test/fmcadc100m14b4cha/python/test05.py
@@ -47,11 +47,15 @@ def main (default_directory='.'):
    # Read and check test pattern
    pattern = fmc.get_testpat()
    if(TEST_PATTERN != pattern):
-        raise PtsError('Cannot access LTC2174 ADC through I2C')
+        raise PtsError('Cannot access LTC2174 ADC through SPI')

    # Print LTC2174 configuration
    fmc.print_adc_regs()

+    # Check that SerDes are synchronised
+    if(0 == fmc.get_serdes_sync_stat()):
+        raise PtsError('SerDes are not synchronised')
+
    # Read channels current data register
    for i in range(1,NB_CHANNELS+1):
        adc_value = fmc.get_current_adc_value(i)

--- a/test/fmcadc100m14b4cha/python/test09.py
+++ b/test/fmcadc100m14b4cha/python/test09.py
@@ -13,6 +13,7 @@ import os

 from ptsexcept import *

+import gn4124
 import fmc_adc
 from PAGE.Agilent33250A import *
 from PAGE.SineWaveform import *