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Initial passing tx test using pyxsim

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Ed
2024-04-15 17:32:03 +01:00
parent 4e4ae01a35
commit 977408d3bf
4 changed files with 104 additions and 56 deletions
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95
tests/test_midi/src/app_midi_simple.xc
View File

@@ -15,6 +15,7 @@
#include <platform.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <xclib.h>
#include "xua.h"
@@ -31,59 +32,92 @@ on tile[MIDI_TILE] : buffered in port:1 p_midi_rx = XS1_PORT_1F;
#define CLKBLK_MIDI XS1_CLKBLK_2
on tile[MIDI_TILE] : clock clk_midi = CLKBLK_MIDI;
/* Port declarations for I2C to config ADC's */
on tile[0]: port p_scl = XS1_PORT_1L;
on tile[0]: port p_sda = XS1_PORT_1M;
#define MAX_TEST_COMMANDS 10
#define TEST_COMMAND_FILE "midi_tx_cmds.txt"
/* See hwsupport.xc */
void ctrlPort();
#define CABLE_NUM 0
#define NOTE_ON 0x90
#define PITCH 60
#define VELOCITY 80
void test(chanend c_midi){
struct midi_in_parse_state mips;
reset_midi_state(mips);
unsigned mini_in_parse_helper(unsigned midi[3]){
// printf("Composing data: 0x%x 0x%x 0x%x\n", midi[0], midi[1], midi[2]);
struct midi_in_parse_state m_state;
reset_midi_state(m_state);
unsigned valid = 0;
unsigned tx_data = 0;
{valid, tx_data} = midi_in_parse(mips,CABLE_NUM, NOTE_ON);
printf("Valid: %d data: %u\n", valid, tx_data);
{valid, tx_data} = midi_in_parse(mips, CABLE_NUM, PITCH);
printf("Valid: %d data: %u\n", valid, tx_data);
{valid, tx_data} = midi_in_parse(mips, CABLE_NUM, VELOCITY);
printf("Valid: %d data: %u\n", valid, tx_data);
unsigned packed = 0;
for(int i = 0; i < 3; i++){
{valid, packed} = midi_in_parse(m_state, CABLE_NUM, midi[i]);
if(valid){
return packed;
}
}
return 0;
}
char midi[3];
unsigned size = 0;
{midi[0], midi[1], midi[2], size} = midi_out_parse(tx_data);
printf("size: %d data: 0x%x 0x%x 0x%x\n", size, midi[0], midi[1], midi[2]);
unsigned parse_cmd_line(uint8_t commands[MAX_TEST_COMMANDS][3])
{
FILE * movable fptr_tx = fopen(TEST_COMMAND_FILE,"rt");
if (fptr_tx == NULL) {
printf("ERROR: TX command file %s not found or unable to open.\n", TEST_COMMAND_FILE);
fclose(move(fptr_tx));
return 0;
}
unsigned line = 0;
unsigned a,b,c;
while (fscanf(fptr_tx, "%u %u %u\n", &a, &b, &c) == 3) {
commands[line][0] = a;
commands[line][1] = b;
commands[line][2] = c;
// printf("Line %u params: 0x%x 0x%x 0x%x\n", line, commands[line][0], commands[line][1], commands[line][2]);
line++;
if(line > MAX_TEST_COMMANDS){
printf("ERROR: Too many lines in TX command file\n");
fclose(move(fptr_tx));
return MAX_TEST_COMMANDS;
}
}
fclose(move(fptr_tx));
return line;
}
void test(chanend c_midi){
uint8_t commands[MAX_TEST_COMMANDS][3] = {{0}};
unsigned num_tx = parse_cmd_line(commands);
int is_ack;
unsigned int datum;
unsigned datum;
unsigned count = 0;
unsigned line = 0;
while(1){
select{
case midi_get_ack_or_data(c_midi, is_ack, datum):
printf("ACK: %d Datum: 0x%x\n", is_ack, datum);
count++;
if(count == 3){
// printf("ACK: %d Datum: 0x%x\n", is_ack, datum);
line++;
if(line == num_tx){
delay_microseconds(200); // Allow frame to complete
exit(0);
}
break;
default:
outuint(c_midi, byterev(tx_data));
printf("SEND TO MIDI\n");
delay_milliseconds(2); // 30 bits at 31.25 kbps is 0.96ms
if(num_tx){
unsigned midi[] = {commands[line][0], commands[line][1], commands[line][2]};
unsigned tx_packet = mini_in_parse_helper(midi);
outuint(c_midi, byterev(tx_packet));
// printf("SEND TO MIDI: 0x%x\n", tx_packet);
delay_milliseconds(2); // 30 bits at 31.25 kbps is 0.96ms
} else {
exit(0);
}
break;
}
}
@@ -91,11 +125,10 @@ void test(chanend c_midi){
}
int main()
int main(void)
{
chan c_midi;
par
{
on tile[0]: test(c_midi);

42
tests/test_midi_tx.py
View File

@@ -23,11 +23,23 @@ class Midi_expect:
def __init(self):
pass
def expect(self):
expected = "Hello"
def expect(self, commands):
expected = ""
for command in commands:
while len(command) < 3:
command.append(0)
expected += "uart_tx_checker: " + " ".join([f"0x{byte:02x}" for byte in command]) + "\n"
return expected
def create_midi_tx_file(commands):
with open("midi_tx_cmds.txt", "wt") as mt:
for command in commands:
while len(command) < 3:
command.append(0)
text = " ".join([str(byte) for byte in command]) + "\n"
mt.write(text)
#####
# This test builds the spdif transmitter app with a verity of presets and tests that the output matches those presets
@@ -36,17 +48,16 @@ class Midi_expect:
def test_tx(capfd, config):
xe = str(Path(__file__).parent / f"test_midi/bin/{config}/test_midi_{config}.xe")
p_midi_out = "tile[1]:XS1_PORT_4C"
# tester = testers.ComparisonTester(
# Frames(channels=audio, no_of_blocks=no_of_blocks, sam_freq=sam_freq).expect()[
# : no_of_samples * len(audio)
# ]
# )
tester = testers.ComparisonTester(Midi_expect().expect())
midi_commands = [[0x90, 60, 81]]
create_midi_tx_file(midi_commands)
tester = testers.ComparisonTester(Midi_expect().expect(midi_commands),
regexp = "uart_tx_checker:.+",
ordered = True)
tx_port = "tile[1]:XS1_PORT_4C"
rx_port = None
baud = MIDI_RATE
bpb = 8
parity = 0
@@ -54,11 +65,11 @@ def test_tx(capfd, config):
length_of_test = 3 # characters
simthreads = [
# UARTTxChecker(rx_port, tx_port, parity, baud, length_of_test, stop, bpb)
UARTTxChecker(tx_port, parity, baud, length_of_test, stop, bpb, debug=False)
]
simargs = ["--max-cycles", str(MAX_CYCLES)]
simargs.extend(["--trace-to", "trace.txt", "--vcd-tracing", "-tile tile[1] -ports -o trace.vcd"]) #This is just for local debug so we can capture the run, pass as kwarg to run_with_pyxsim
# simargs.extend(["--trace-to", "trace.txt", "--vcd-tracing", "-tile tile[1] -ports -o trace.vcd"]) #This is just for local debug so we can capture the run, pass as kwarg to run_with_pyxsim
# result = Pyxsim.run_on_simulator(
result = Pyxsim.run_on_simulator(
@@ -68,9 +79,9 @@ def test_tx(capfd, config):
# clean_before_build=True,
clean_before_build=False,
tester=tester,
# capfd=capfd,
capfd=None,
timeout=1500,
capfd=capfd,
# capfd=None,
timeout=120,
simargs=simargs,
build_options=[
"-j",
@@ -80,4 +91,5 @@ def test_tx(capfd, config):
,
],
)
assert result

22
tests/uart_tx_checker.py
View File

@@ -9,6 +9,8 @@ from functools import partial
# same argument everywhere.
print = partial(print, flush=True)
# From tools 15.2.1 we need to add an extra factor to go from ps to fs
time_scaling_factor = 1000
class UARTTxChecker(px.SimThread):
"""
@@ -16,7 +18,7 @@ class UARTTxChecker(px.SimThread):
transations caused by the device, by looking at the tx pins.
"""
def __init__(self, rx_port, tx_port, parity, baud, length, stop_bits, bpb):
def __init__(self, tx_port, parity, baud, length, stop_bits, bpb, debug=False):
"""
Create a UARTTxChecker instance.
@@ -34,6 +36,7 @@ class UARTTxChecker(px.SimThread):
self._stop_bits = stop_bits
self._bits_per_byte = bpb
# Hex value of stop bits, as MSB 1st char, e.g. 0b11 : 0xC0
self.debug = debug
def get_port_val(self, xsi, port):
"""
@@ -57,7 +60,7 @@ class UARTTxChecker(px.SimThread):
:rtype: float
"""
# Return float value in ps
return (1.0/self._baud) * 1e12
return (1.0/self._baud) * 1e12 * time_scaling_factor
def wait_baud_time(self, xsi):
"""
@@ -88,7 +91,7 @@ class UARTTxChecker(px.SimThread):
got_start_bit = False
initial_port_val = self.get_port_val(xsi, self._tx_port)
print("tx starts high: %s" % ("True" if initial_port_val else "False"))
if self.debug: print("tx starts high: %s" % ("True" if initial_port_val else "False"))
for x in range(length):
packet.append(chr(self.read_byte(xsi, parity)))
@@ -113,11 +116,10 @@ class UARTTxChecker(px.SimThread):
if initial_port_val == 1:
self.wait_for_port_pins_change([self._tx_port])
#else go for it as assume tx has just fallen with no interframe gap
# print("Byte start time: ", xsi.get_time())
# The tx line should go low for 1 bit time
if self.get_val_timeout(xsi, self._tx_port) == 0:
print("Start bit recv'd")
if self.debug: print("Start bit recv'd")
else:
print("Start bit issue")
return False
@@ -129,7 +131,7 @@ class UARTTxChecker(px.SimThread):
byte += (val << j)
crc_sum += val
print(f"Sampled {self._bits_per_byte} data bits")
if self.debug: print(f"Sampled {self._bits_per_byte} data bits: 0x{hex(byte)}")
# Check the parity if needs be
self.check_parity(xsi, crc_sum, parity)
@@ -138,7 +140,7 @@ class UARTTxChecker(px.SimThread):
self.check_stopbit(xsi)
# Print a new line to split bytes in output
print()
if self.debug: print()
return byte
@@ -158,7 +160,7 @@ class UARTTxChecker(px.SimThread):
else:
print("Parity bit incorrect. Got %d, expected %d" % (read, (crc_sum + parity_val) % 2))
else:
print("Parity bit correct")
if self.debug: print("Parity bit correct")
def check_stopbit(self, xsi):
"""
@@ -171,7 +173,7 @@ class UARTTxChecker(px.SimThread):
# The stop bits should stay high for this time
if self.get_val_timeout(xsi, self._tx_port) == 0:
stop_bits_correct = False
print("Stop bit correct: %s" % ("True" if stop_bits_correct else "False"))
if self.debug: print("Stop bit correct: %s" % ("True" if stop_bits_correct else "False"))
def get_val_timeout(self, xsi, port):
"""
@@ -240,5 +242,5 @@ class UARTTxChecker(px.SimThread):
# Print each member of K as a hex byte
# inline lambda function mapped over a list? awh yiss.
print(", ".join(map((lambda x: "0x%02x" % ord(x)), K)))
print("uart_tx_checker:", " ".join(map((lambda x: "0x%02x" % ord(x)), K)))