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Commit 86691b14 authored by Samuel Iglesias Gonsalvez's avatar Samuel Iglesias Gonsalvez
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tps/test: update si570 class to latest version

parent b8e4bbf2
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Showing with 189 additions and 9 deletions
test/spec/python/test05.py
View file @ 86691b14
......@@ -134,6 +134,148 @@ class SWITCH_ADN4600:
def enable_tx(self, channel) :
self.wr_reg8(0xC0 + 0x8*channel, (1 << 5))
class CSI570 :
HS_N1_DIV = 0x7;
REF_FREQ_37_32 = 0x8;
REF_FREQ_31_24 = 0x9;
REF_FREQ_23_16 = 0xA;
REF_FREQ_15_8 = 0xB;
REF_FREQ_7_0 = 0xC;
RST_MEM_CTRL = 0x87;
FREEZE_DCO = 0x89;
def __init__(self, i2c, addr):
self.i2c = i2c;
self.addr = addr;
def wr_reg16(self, addr, value):
self.i2c.start(self.addr, True);
self.i2c.write(addr, False);
tmp = (value >> 8) & 0xFF;
self.i2c.write(value, False);
tmp = value & 0xFF;
self.i2c.write(value, True)
def wr_reg8(self, addr, value):
self.i2c.start(self.addr, True); # write cycle
self.i2c.write(addr, False);
self.i2c.write(value, True);
def rd_reg16(self, addr):
self.i2c.start(self.addr, True);
self.i2c.write(addr, False);
self.i2c.start(self.addr, False);
tmp_MSB = self.i2c.read(False);
tmp_LSB = self.i2c.read(True);
value = (tmp_MSB << 8) | tmp_LSB;
return value;
def rd_reg8(self, addr):
self.i2c.start(self.addr, True);
self.i2c.write(addr, False);
self.i2c.start(self.addr, False);
return self.i2c.read(True);
def calculate_hs(self, hs_div) :
convert = {'4': 0, '5': 1, '6': 2, '7':3, '9': 5, '11':7};
return convert[str(hs_div)];
def read_setup_oscillator(self) :
""" Data saved in internal variables of the class """
tmp = self.rd_reg8(self.HS_N1_DIV);
self.hs_div = tmp >> 5;
self.n1 = (tmp & 0x1F) << 2;
tmp = self.rd_reg8(self.REF_FREQ_37_32);
self.n1 |= tmp >> 6;
self.rfreq = (tmp & 0x3F) << 32;
self.rfreq |= self.rd_reg8(self.REF_FREQ_31_24) << 24;
self.rfreq |= self.rd_reg8(self.REF_FREQ_23_16) << 16;
self.rfreq |= self.rd_reg8(self.REF_FREQ_15_8) << 8;
self.rfreq |= self.rd_reg8(self.REF_FREQ_7_0);
def setup_oscillator(self, hs_div, n1_div, rfreq) :
""" Setup the oscillator with the given parameters """
# Freeze the oscillator to setup it
self.wr_reg8(self.FREEZE_DCO, (1 << 4));
# Write setup
val = ((hs_div & 0x7) << 5) | (n1_div >> 2)
self.wr_reg8(self.HS_N1_DIV, val);
val = ((n1_div & 0x3) << 6) | (rfreq >> 32);
self.wr_reg8(self.REF_FREQ_37_32, val);
val = (rfreq >> 24) & 0xFF;
self.wr_reg8(self.REF_FREQ_31_24, val);
val = (rfreq >> 16) & 0xFF;
self.wr_reg8(self.REF_FREQ_23_16, val);
val = (rfreq >> 8) & 0xFF;
self.wr_reg8(self.REF_FREQ_15_8, val);
val = rfreq & 0xFF;
self.wr_reg8(self.REF_FREQ_7_0, val);
self.read_setup_oscillator();
print "wrote before confirmation"
print "HS DIV: " + str(self.hs_div);
print "N1: " + str(self.n1);
print "RFREQ: " + str(self.rfreq);
# Unfreeze it
tmp = self.rd_reg8(self.FREEZE_DCO);
self.wr_reg8(self.FREEZE_DCO, tmp & 0xEF);
self.wr_reg8(self.RST_MEM_CTRL, (1 << 6));
while(self.rd_reg8(self.RST_MEM_CTRL) & (1 << 6)):
pass;
def setup_frequency(self, freq) :
""" Calculate the proper parameters and setup them into the oscillator"""
finish = 0;
for N1 in range(0,65) :
if N1 == 0 :
n1 = 1;
else :
n1 = N1*2;
for HSDIV in [4, 5, 6, 7, 9, 11] :
x = freq*HSDIV * n1;
if (x < 5670) and (x > 4850) :
finish = 1;
freq_dco = x;
break;
if finish :
break;
if (not finish):
raise TpsError('SI570: Not found a proper setup')
tmp = freq_dco / 114.28;
rfreq = int((tmp * (2**28)));
hsdiv = self.calculate_hs(HSDIV);
n1 = n1 - 1;
self.setup_oscillator(hsdiv, n1, rfreq);
def reset(self) :
val = (1 << 7);
self.wr_reg8(self.RST_MEM_CTRL, val);
class CMinic:
OFFSET_EP = 0x4000
......@@ -331,6 +473,8 @@ def main (default_directory='.'):
adn4600.enable_tx(6) # channel 5
adn4600.enable_tx(7) # channel 4
print "------------------------------------"
print "Setup ADN4600 chip (crossing point) \n"
print "adn4600 tx 1-0: " + hex(adn4600.rd_reg8(0xC8)) + " " + hex(adn4600.rd_reg8(0xC0))
print "adn4600 tx 3-2: " + hex(adn4600.rd_reg8(0xD8)) + " " + hex(adn4600.rd_reg8(0xD0))
print "adn4600 tx 5-4: " + hex(adn4600.rd_reg8(0xF0)) + " " + hex(adn4600.rd_reg8(0xF8))
......@@ -361,6 +505,26 @@ def main (default_directory='.'):
time.sleep(1)
# The address of the SI570 is fixed in the part number
si570 = CSI570(i2c, 0x55);
si570.read_setup_oscillator()
print "------------------------------------"
print "Original setup of FMC Carrier tester's Si570"
print "HS DIV: " + str(si570.hs_div);
print "N1: " + str(si570.n1);
print "RFREQ: " + str(si570.rfreq);
print "\n"
time.sleep(1)
si570.setup_frequency(125)
si570.read_setup_oscillator()
print "After setup of FMC Carrier tester's Si570 for f_out = 125 MHz:"
print "HS DIV: " + str(si570.hs_div);
print "N1: " + str(si570.n1);
print "RFREQ: " + str(si570.rfreq);
print "------------------------------------"
minic_sata = CMinic(gennum, 0x20000, 0);
minic_sata.init_ep()
......
test/spec/python/test06.py
View file @ 86691b14
......@@ -135,6 +135,12 @@ class CSI570 :
self.i2c.start(self.addr, False);
return self.i2c.read(True);
def calculate_hs(self, hs_div) :
convert = {'4': 0, '5': 1, '6': 2, '7':3, '9': 5, '11':7};
return convert[str(hs_div)];
def read_setup_oscillator(self) :
""" Data saved in internal variables of the class """
tmp = self.rd_reg8(self.HS_N1_DIV);
......@@ -177,11 +183,21 @@ class CSI570 :
val = rfreq & 0xFF;
self.wr_reg8(self.REF_FREQ_7_0, val);
self.read_setup_oscillator();
print "wrote before confirmation"
print "HS DIV: " + str(self.hs_div);
print "N1: " + str(self.n1);
print "RFREQ: " + str(self.rfreq);
# Unfreeze it
self.wr_reg8(self.FREEZE_DCO, 0);
tmp = self.rd_reg8(self.FREEZE_DCO);
self.wr_reg8(self.FREEZE_DCO, tmp & 0xEF);
self.wr_reg8(self.RST_MEM_CTRL, (1 << 6));
time.sleep(0.010)
self.wr_reg8(self.RST_MEM_CTRL, 0);
while(self.rd_reg8(self.RST_MEM_CTRL) & (1 << 6)):
pass;
def setup_frequency(self, freq) :
""" Calculate the proper parameters and setup them into the oscillator"""
......@@ -194,7 +210,7 @@ class CSI570 :
n1 = N1*2;
for HSDIV in [4, 5, 6, 7, 9, 11] :
x = HSDIV * n1;
x = freq*HSDIV * n1;
if (x < 5670) and (x > 4850) :
finish = 1;
freq_dco = x;
......@@ -206,11 +222,11 @@ class CSI570 :
if (not finish):
raise TpsError('SI570: Not found a proper setup')
tmp = freq_dco / 114.285;
rfreq = int((tmp * 2**28));
rfreq = hex(rfreq);
self.setup_oscillator(HSDIV, n1, rfreq);
tmp = freq_dco / 114.28;
rfreq = int((tmp * (2**28)));
hsdiv = self.calculate_hs(HSDIV);
n1 = n1 - 1;
self.setup_oscillator(hsdiv, n1, rfreq);
def reset(self) :
val = (1 << 7);
......
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