Move master branch from from mios git repo

2014-01-23 00:23:15 +01:00
commit 609d9e5be9
352 changed files with 53418 additions and 0 deletions
@@ -0,0 +1,62 @@
+/**
+* First stab at a test suite for spi lib.
+*/
+#include <spi.h>
+
+void reportError(int line, char *message, uint8_t expected, uint8_t actual)
+{
+  Serial.print("Test "); Serial.print(message);
+  Serial.print(" failed at line "); Serial.print(line-3);
+  Serial.print(", expected="); Serial.print(expected, BIN);
+  Serial.print(", actual="); Serial.println(actual, BIN);
+}
+
+#define assertEquals(message, expected, actual) \
+  if (expected != actual) { reportError(__LINE__, message, expected, actual); return; }
+
+
+#define test_setup_spi(message, eSPCR, eSPSR, mode, dord, interrupt, clock) \
+    setup_spi(mode, dord, interrupt, clock); \
+    assertEquals(message, eSPCR, SPCR); \
+    assertEquals(message, eSPSR, SPSR & 0x01);
+
+
+void test_registers()
+{
+  // top 4 bits of SPCR - enabled, interrupt, lsb/msb, master/slave
+  disable_spi();
+  assertEquals("0", 0x00, SPCR);
+  
+  test_setup_spi("1", 0xE0, 0x00, SPI_MODE_0, SPI_LSB, SPI_INTERRUPT, SPI_SLAVE);
+  test_setup_spi("2", 0x60, 0x00, SPI_MODE_0, SPI_LSB, SPI_NO_INTERRUPT, SPI_SLAVE);
+  test_setup_spi("3", 0x40, 0x00, SPI_MODE_0, SPI_MSB, SPI_NO_INTERRUPT, SPI_SLAVE);
+
+  // CPOL/CPHA bits - timing mode
+  test_setup_spi("4", 0x40, 0x00, SPI_MODE_0, SPI_MSB, SPI_NO_INTERRUPT, SPI_SLAVE);
+  test_setup_spi("5", 0x44, 0x00, SPI_MODE_1, SPI_MSB, SPI_NO_INTERRUPT, SPI_SLAVE);
+  test_setup_spi("6", 0x48, 0x00, SPI_MODE_2, SPI_MSB, SPI_NO_INTERRUPT, SPI_SLAVE);
+  test_setup_spi("7", 0x4C, 0x00, SPI_MODE_3, SPI_MSB, SPI_NO_INTERRUPT, SPI_SLAVE);
+
+  // clock 
+  test_setup_spi("9", 0xE0, 1, SPI_MODE_0, SPI_LSB, SPI_INTERRUPT, SPI_MSTR_CLK2);
+  test_setup_spi("10", 0xE0, 0, SPI_MODE_0, SPI_LSB, SPI_INTERRUPT, SPI_MSTR_CLK4);
+  test_setup_spi("11", 0xE1, 1, SPI_MODE_0, SPI_LSB, SPI_INTERRUPT, SPI_MSTR_CLK8);
+  test_setup_spi("12", 0xE1, 0, SPI_MODE_0, SPI_LSB, SPI_INTERRUPT, SPI_MSTR_CLK16);
+  test_setup_spi("13", 0xE2, 1, SPI_MODE_0, SPI_LSB, SPI_INTERRUPT, SPI_MSTR_CLK32);
+  test_setup_spi("14", 0xE2, 0, SPI_MODE_0, SPI_LSB, SPI_INTERRUPT, SPI_MSTR_CLK64);
+  test_setup_spi("15", 0xE3, 0, SPI_MODE_0, SPI_LSB, SPI_INTERRUPT, SPI_MSTR_CLK128);
+}
+ 
+void setup()
+{
+  Serial.begin(19200);
+}
+
+void loop()
+{
+  delay(5000);
+  Serial.println("Running tests");
+  test_registers();
+  Serial.println("Run tests");
+  while(true);
+}