From cb2a07f2532267cf178e6565e1419039a43219ed Mon Sep 17 00:00:00 2001 From: Thomas Jarosch Date: Mon, 5 Sep 2011 18:37:54 +0200 Subject: [PATCH] Update baudrate unit test to show divisor/fractional bits/clock (suggested by Uwe) --- test/baudrate.cpp | 218 +++++++++++++++++++++++++++-------------------------- 1 files changed, 110 insertions(+), 108 deletions(-) diff --git a/test/baudrate.cpp b/test/baudrate.cpp index 7db5d43..614b2fb 100644 --- a/test/baudrate.cpp +++ b/test/baudrate.cpp @@ -50,20 +50,23 @@ BOOST_FIXTURE_TEST_SUITE(Baudrate, BaseFTDIFixture) struct calc_result { int actual_baudrate; - unsigned short expected_value; - unsigned short expected_index; + unsigned short divisor; + unsigned short fractional_bits; + unsigned short clock; - calc_result(int actual, int my_value, int my_index) + calc_result(int actual, unsigned short my_divisor, unsigned short my_fractional_bits, unsigned short my_clock) : actual_baudrate(actual) - , expected_value(my_value) - , expected_index(my_index) + , divisor(my_divisor) + , fractional_bits(my_fractional_bits) + , clock(my_clock) { } calc_result() : actual_baudrate(0) - , expected_value(0) - , expected_index(0) + , divisor(0) + , fractional_bits(0) + , clock(0) { } }; @@ -83,13 +86,19 @@ static void test_baudrates(ftdi_context *ftdi, const map &baud const calc_result *res = &baudrate.second; + unsigned short divisor = calc_value & 0x3ff; + unsigned short fractional_bits = (calc_index & 0x100) ? 4 : (calc_value >> 12); + unsigned short clock = (calc_index & 0x100) ? 120 : 48; + // Aid debugging since this test is a generic function - BOOST_CHECK_MESSAGE(res->actual_baudrate == calc_baudrate && res->expected_value == calc_value && res->expected_index == calc_index, + BOOST_CHECK_MESSAGE(res->actual_baudrate == calc_baudrate && res->divisor == divisor && res->fractional_bits == fractional_bits + && res->clock == clock, "\n\nERROR: baudrate calculation failed for --" << baudrate.first << " baud--. Details below: "); BOOST_CHECK_EQUAL(res->actual_baudrate, calc_baudrate); - BOOST_CHECK_EQUAL(res->expected_value, calc_value); - BOOST_CHECK_EQUAL(res->expected_index, calc_index); + BOOST_CHECK_EQUAL(res->divisor, divisor); + BOOST_CHECK_EQUAL(res->fractional_bits, fractional_bits); + BOOST_CHECK_EQUAL(res->clock, clock); } } @@ -98,20 +107,19 @@ BOOST_AUTO_TEST_CASE(TypeAMFixedBaudrates) ftdi->type = TYPE_AM; map baudrates; - baudrates[300] = calc_result(300, 10000, 0); - baudrates[600] = calc_result(600, 5000, 0); - baudrates[600] = calc_result(600, 5000, 0); - baudrates[1200] = calc_result(1200, 2500, 0); - baudrates[2400] = calc_result(2400, 1250, 0); - baudrates[4800] = calc_result(4800, 625, 0); - baudrates[9600] = calc_result(9600, 16696, 0); - baudrates[19200] = calc_result(19200, 32924, 0); - baudrates[38400] = calc_result(38400, 49230, 0); - baudrates[57600] = calc_result(57554, 49204, 0); - baudrates[115200] = calc_result(115385, 26, 0); - baudrates[230400] = calc_result(230769, 13, 0); - baudrates[460800] = calc_result(461538, 16390, 0); - baudrates[921600] = calc_result(923077, 32771, 0); + baudrates[300] = calc_result(300, 784, 2, 48); + baudrates[600] = calc_result(600, 904, 1, 48); + baudrates[1200] = calc_result(1200, 452, 0, 48); + baudrates[2400] = calc_result(2400, 226, 0, 48); + baudrates[4800] = calc_result(4800, 625, 0, 48); + baudrates[9600] = calc_result(9600, 312, 4, 48); + baudrates[19200] = calc_result(19200, 156, 8, 48); + baudrates[38400] = calc_result(38400, 78, 12, 48); + baudrates[57600] = calc_result(57554, 52, 12, 48); + baudrates[115200] = calc_result(115385, 26, 0, 48); + baudrates[230400] = calc_result(230769, 13, 0, 48); + baudrates[460800] = calc_result(461538, 6, 4, 48); + baudrates[921600] = calc_result(923077, 3, 8, 48); test_baudrates(ftdi, baudrates); } @@ -121,20 +129,19 @@ BOOST_AUTO_TEST_CASE(TypeBMFixedBaudrates) ftdi->type = TYPE_BM; map baudrates; - baudrates[300] = calc_result(300, 10000, 0); - baudrates[600] = calc_result(600, 5000, 0); - baudrates[600] = calc_result(600, 5000, 0); - baudrates[1200] = calc_result(1200, 2500, 0); - baudrates[2400] = calc_result(2400, 1250, 0); - baudrates[4800] = calc_result(4800, 625, 0); - baudrates[9600] = calc_result(9600, 16696, 0); - baudrates[19200] = calc_result(19200, 32924, 0); - baudrates[38400] = calc_result(38400, 49230, 0); - baudrates[57600] = calc_result(57554, 49204, 0); - baudrates[115200] = calc_result(115385, 26, 0); - baudrates[230400] = calc_result(230769, 13, 0); - baudrates[460800] = calc_result(461538, 16390, 0); - baudrates[921600] = calc_result(923077, 32771, 0); + baudrates[300] = calc_result(300, 784, 2, 48); + baudrates[600] = calc_result(600, 904, 1, 48); + baudrates[1200] = calc_result(1200, 452, 0, 48); + baudrates[2400] = calc_result(2400, 226, 0, 48); + baudrates[4800] = calc_result(4800, 625, 0, 48); + baudrates[9600] = calc_result(9600, 312, 4, 48); + baudrates[19200] = calc_result(19200, 156, 8, 48); + baudrates[38400] = calc_result(38400, 78, 12, 48); + baudrates[57600] = calc_result(57554, 52, 12, 48); + baudrates[115200] = calc_result(115385, 26, 0, 48); + baudrates[230400] = calc_result(230769, 13, 0, 48); + baudrates[460800] = calc_result(461538, 6, 4, 48); + baudrates[921600] = calc_result(923077, 3, 8, 48); test_baudrates(ftdi, baudrates); } @@ -144,20 +151,19 @@ BOOST_AUTO_TEST_CASE(Type2232CFixedBaudrates) ftdi->type = TYPE_2232C; map baudrates; - baudrates[300] = calc_result(300, 10000, 1); - baudrates[600] = calc_result(600, 5000, 1); - baudrates[600] = calc_result(600, 5000, 1); - baudrates[1200] = calc_result(1200, 2500, 1); - baudrates[2400] = calc_result(2400, 1250, 1); - baudrates[4800] = calc_result(4800, 625, 1); - baudrates[9600] = calc_result(9600, 16696, 1); - baudrates[19200] = calc_result(19200, 32924, 1); - baudrates[38400] = calc_result(38400, 49230, 1); - baudrates[57600] = calc_result(57554, 49204, 1); - baudrates[115200] = calc_result(115385, 26, 1); - baudrates[230400] = calc_result(230769, 13, 1); - baudrates[460800] = calc_result(461538, 16390, 1); - baudrates[921600] = calc_result(923077, 32771, 1); + baudrates[300] = calc_result(300, 784, 2, 48); + baudrates[600] = calc_result(600, 904, 1, 48); + baudrates[1200] = calc_result(1200, 452, 0, 48); + baudrates[2400] = calc_result(2400, 226, 0, 48); + baudrates[4800] = calc_result(4800, 625, 0, 48); + baudrates[9600] = calc_result(9600, 312, 4, 48); + baudrates[19200] = calc_result(19200, 156, 8, 48); + baudrates[38400] = calc_result(38400, 78, 12, 48); + baudrates[57600] = calc_result(57554, 52, 12, 48); + baudrates[115200] = calc_result(115385, 26, 0, 48); + baudrates[230400] = calc_result(230769, 13, 0, 48); + baudrates[460800] = calc_result(461538, 6, 4, 48); + baudrates[921600] = calc_result(923077, 3, 8, 48); test_baudrates(ftdi, baudrates); } @@ -167,20 +173,19 @@ BOOST_AUTO_TEST_CASE(TypeRFixedBaudrates) ftdi->type = TYPE_R; map baudrates; - baudrates[300] = calc_result(300, 10000, 0); - baudrates[600] = calc_result(600, 5000, 0); - baudrates[600] = calc_result(600, 5000, 0); - baudrates[1200] = calc_result(1200, 2500, 0); - baudrates[2400] = calc_result(2400, 1250, 0); - baudrates[4800] = calc_result(4800, 625, 0); - baudrates[9600] = calc_result(9600, 16696, 0); - baudrates[19200] = calc_result(19200, 32924, 0); - baudrates[38400] = calc_result(38400, 49230, 0); - baudrates[57600] = calc_result(57554, 49204, 0); - baudrates[115200] = calc_result(115385, 26, 0); - baudrates[230400] = calc_result(230769, 13, 0); - baudrates[460800] = calc_result(461538, 16390, 0); - baudrates[921600] = calc_result(923077, 32771, 0); + baudrates[300] = calc_result(300, 784, 2, 48); + baudrates[600] = calc_result(600, 904, 1, 48); + baudrates[1200] = calc_result(1200, 452, 0, 48); + baudrates[2400] = calc_result(2400, 226, 0, 48); + baudrates[4800] = calc_result(4800, 625, 0, 48); + baudrates[9600] = calc_result(9600, 312, 4, 48); + baudrates[19200] = calc_result(19200, 156, 8, 48); + baudrates[38400] = calc_result(38400, 78, 12, 48); + baudrates[57600] = calc_result(57554, 52, 12, 48); + baudrates[115200] = calc_result(115385, 26, 0, 48); + baudrates[230400] = calc_result(230769, 13, 0, 48); + baudrates[460800] = calc_result(461538, 6, 4, 48); + baudrates[921600] = calc_result(923077, 3, 8, 48); test_baudrates(ftdi, baudrates); } @@ -190,20 +195,19 @@ BOOST_AUTO_TEST_CASE(Type2232HFixedBaudrates) ftdi->type = TYPE_2232H; map baudrates; - baudrates[300] = calc_result(300, 10000, 1); - baudrates[600] = calc_result(600, 5000, 1); - baudrates[600] = calc_result(600, 5000, 1); - baudrates[1200] = calc_result(1200, 2500, 1); - baudrates[2400] = calc_result(2400, 1250, 1); - baudrates[4800] = calc_result(4800, 625, 1); - baudrates[9600] = calc_result(9600, 16696, 1); - baudrates[19200] = calc_result(19200, 32924, 1); - baudrates[38400] = calc_result(38400, 49230, 1); - baudrates[57600] = calc_result(57554, 49204, 1); - baudrates[115200] = calc_result(115385, 26, 1); - baudrates[230400] = calc_result(230769, 13, 1); - baudrates[460800] = calc_result(461538, 16390, 1); - baudrates[921600] = calc_result(923077, 32771, 1); + baudrates[300] = calc_result(300, 784, 2, 48); + baudrates[600] = calc_result(600, 904, 1, 48); + baudrates[1200] = calc_result(1200, 452, 0, 48); + baudrates[2400] = calc_result(2400, 226, 0, 48); + baudrates[4800] = calc_result(4800, 625, 0, 48); + baudrates[9600] = calc_result(9600, 312, 4, 48); + baudrates[19200] = calc_result(19200, 156, 8, 48); + baudrates[38400] = calc_result(38400, 78, 12, 48); + baudrates[57600] = calc_result(57554, 52, 12, 48); + baudrates[115200] = calc_result(115385, 26, 0, 48); + baudrates[230400] = calc_result(230769, 13, 0, 48); + baudrates[460800] = calc_result(461538, 6, 4, 48); + baudrates[921600] = calc_result(923077, 3, 8, 48); test_baudrates(ftdi, baudrates); } @@ -213,20 +217,19 @@ BOOST_AUTO_TEST_CASE(Type4232HFixedBaudrates) ftdi->type = TYPE_4232H; map baudrates; - baudrates[300] = calc_result(300, 10000, 1); - baudrates[600] = calc_result(600, 5000, 1); - baudrates[600] = calc_result(600, 5000, 1); - baudrates[1200] = calc_result(1200, 2500, 1); - baudrates[2400] = calc_result(2400, 1250, 1); - baudrates[4800] = calc_result(4800, 625, 1); - baudrates[9600] = calc_result(9600, 16696, 1); - baudrates[19200] = calc_result(19200, 32924, 1); - baudrates[38400] = calc_result(38400, 49230, 1); - baudrates[57600] = calc_result(57554, 49204, 1); - baudrates[115200] = calc_result(115385, 26, 1); - baudrates[230400] = calc_result(230769, 13, 1); - baudrates[460800] = calc_result(461538, 16390, 1); - baudrates[921600] = calc_result(923077, 32771, 1); + baudrates[300] = calc_result(300, 784, 2, 48); + baudrates[600] = calc_result(600, 904, 1, 48); + baudrates[1200] = calc_result(1200, 452, 0, 48); + baudrates[2400] = calc_result(2400, 226, 0, 48); + baudrates[4800] = calc_result(4800, 625, 0, 48); + baudrates[9600] = calc_result(9600, 312, 4, 48); + baudrates[19200] = calc_result(19200, 156, 8, 48); + baudrates[38400] = calc_result(38400, 78, 12, 48); + baudrates[57600] = calc_result(57554, 52, 12, 48); + baudrates[115200] = calc_result(115385, 26, 0, 48); + baudrates[230400] = calc_result(230769, 13, 0, 48); + baudrates[460800] = calc_result(461538, 6, 4, 48); + baudrates[921600] = calc_result(923077, 3, 8, 48); test_baudrates(ftdi, baudrates); } @@ -236,20 +239,19 @@ BOOST_AUTO_TEST_CASE(Type232HFixedBaudrates) ftdi->type = TYPE_232H; map baudrates; - baudrates[300] = calc_result(300, 10000, 1); - baudrates[600] = calc_result(600, 5000, 1); - baudrates[600] = calc_result(600, 5000, 1); - baudrates[1200] = calc_result(1200, 2500, 1); - baudrates[2400] = calc_result(2400, 1250, 1); - baudrates[4800] = calc_result(4800, 625, 1); - baudrates[9600] = calc_result(9600, 16696, 1); - baudrates[19200] = calc_result(19200, 32924, 1); - baudrates[38400] = calc_result(38400, 49230, 1); - baudrates[57600] = calc_result(57554, 49204, 1); - baudrates[115200] = calc_result(115385, 26, 1); - baudrates[230400] = calc_result(230769, 13, 1); - baudrates[460800] = calc_result(461538, 16390, 1); - baudrates[921600] = calc_result(923077, 32771, 1); + baudrates[300] = calc_result(300, 784, 2, 48); + baudrates[600] = calc_result(600, 904, 1, 48); + baudrates[1200] = calc_result(1200, 452, 0, 48); + baudrates[2400] = calc_result(2400, 226, 0, 48); + baudrates[4800] = calc_result(4800, 625, 0, 48); + baudrates[9600] = calc_result(9600, 312, 4, 48); + baudrates[19200] = calc_result(19200, 156, 8, 48); + baudrates[38400] = calc_result(38400, 78, 12, 48); + baudrates[57600] = calc_result(57554, 52, 12, 48); + baudrates[115200] = calc_result(115385, 26, 0, 48); + baudrates[230400] = calc_result(230769, 13, 0, 48); + baudrates[460800] = calc_result(461538, 6, 4, 48); + baudrates[921600] = calc_result(923077, 3, 8, 48); test_baudrates(ftdi, baudrates); } -- 1.7.1