1 files changed, 131 insertions, 0 deletions
diff --git a/libloragw/tst/test_loragw_reg.c b/libloragw/tst/test_loragw_reg.c
new file mode 100644
index 0000000..2b80109
--- /dev/null
+++ b/libloragw/tst/test_loragw_reg.c
@@ -0,0 +1,131 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    Š2013 Semtech-Cycleo
+
+Description:
+	Minimum test program for the loragw_spi 'library'
+*/
+
+
+/* -------------------------------------------------------------------------- */
+/* --- DEPENDANCIES --------------------------------------------------------- */
+
+#include <stdint.h>
+#include <stdio.h>
+
+#include "loragw_reg.h"
+
+/* -------------------------------------------------------------------------- */
+/* --- MAIN FUNCTION -------------------------------------------------------- */
+
+#define BURST_TEST_LENGTH	8192
+
+int main(int argc, char **argv)
+{
+	int32_t read_value, test_value;
+	uint16_t lfsr;
+	uint8_t burst_buffout[BURST_TEST_LENGTH];
+	uint8_t burst_buffin[BURST_TEST_LENGTH];
+	int i;
+	
+	printf("Beginning of test for loragw_reg.c\n");
+	
+	lgw_connect();
+	/* 2 SPI transactions:
+	-> 0x80 0x00		<- 0x00 0x00		forcing page 0
+	-> 0x01 0x00		<- 0x00 0x64		checking version
+	*/
+	
+	/* --- READ TEST --- */
+	
+	lgw_reg_w(LGW_SOFT_RESET, 1);
+	lgw_reg_check(stdout);
+	
+	/* --- READ/WRITE COHERENCY TEST --- */
+	
+	/* 8b unsigned */
+	test_value = 197; /* 11000101b */
+	lgw_reg_w(LGW_IMPLICIT_PAYLOAD_LENGHT, test_value);
+	lgw_reg_r(LGW_IMPLICIT_PAYLOAD_LENGHT, &read_value);
+	printf("IMPLICIT_PAYLOAD_LENGHT = %d (should be %d)\n", read_value, test_value);
+	
+	/* 8b signed */
+	/* NO SUCH REG AVAILABLE */
+	// /* RADIO_SELECT is normally unsigned, modify it manually in loragw_reg.c */
+	// test_value = -59; /* 11000101b */
+	// lgw_reg_w(LGW_RADIO_SELECT, test_value);
+	// lgw_reg_r(LGW_RADIO_SELECT, &read_value);
+	// printf("RADIO_SELECT = %d (should be %d)\n", read_value, test_value);
+	
+	/* less than 8b, with offset, unsigned */
+	test_value = 11; /* 1011b */
+	lgw_reg_w(LGW_FRAME_SYNCH_PEAK2_POS, test_value);
+	lgw_reg_r(LGW_FRAME_SYNCH_PEAK2_POS, &read_value);
+	printf("FRAME_SYNCH_PEAK2_POS = %d (should be %d)\n", read_value, test_value);
+	
+	/* less than 8b, with offset, signed */
+	/* NO SUCH REG AVAILABLE */
+	// /* MBWSSF_FRAME_SYNCH_PEAK2_POS is normally unsigned, modify it manually in loragw_reg.c */
+	// test_value = -5; /* 1011b */
+	// lgw_reg_w(LGW_MBWSSF_FRAME_SYNCH_PEAK2_POS, test_value);
+	// lgw_reg_r(LGW_MBWSSF_FRAME_SYNCH_PEAK2_POS, &read_value);
+	// printf("MBWSSF_FRAME_SYNCH_PEAK2_POS = %d (should be %d)\n", read_value, test_value);
+	
+	/* 16b unsigned */
+	test_value = 49253; /* 11000000 01100101b */
+	lgw_reg_w(LGW_PREAMBLE_SYMB1_NB, test_value);
+	lgw_reg_r(LGW_PREAMBLE_SYMB1_NB, &read_value);
+	printf("PREAMBLE_SYMB1_NB = %d (should be %d)\n", read_value, test_value);
+	
+	/* 16b signed */
+	/* NO SUCH REG AVAILABLE */
+	// /* CAPTURE_PERIOD is normally unsigned, modify it manually in loragw_reg.c */
+	// test_value = -16283; /* 11000000 01100101b */
+	// lgw_reg_w(LGW_CAPTURE_PERIOD, test_value);
+	// lgw_reg_r(LGW_CAPTURE_PERIOD, &read_value);
+	// printf("CAPTURE_PERIOD = %d (should be %d)\n", read_value, test_value);
+	
+	/* between 8b and 16b, unsigned */
+	test_value = 3173; /* 1100 01100101b */
+	lgw_reg_w(LGW_ADJUST_MODEM_START_OFFSET_SF12_RDX4, test_value);
+	lgw_reg_r(LGW_ADJUST_MODEM_START_OFFSET_SF12_RDX4, &read_value);
+	printf("ADJUST_MODEM_START_OFFSET_SF12_RDX4 = %d (should be %d)\n", read_value, test_value);
+	
+	/* between 8b and 16b, signed */
+	test_value = -1947; /* 11000 01100101b */
+	lgw_reg_w(LGW_IF_FREQ_1, test_value);
+	lgw_reg_r(LGW_IF_FREQ_1, &read_value);
+	printf("IF_FREQ_1 = %d (should be %d)\n", read_value, test_value);
+	
+	/* --- BURST WRITE AND READ TEST --- */
+	
+	/* initialize data for SPI test */
+	lfsr = 0xFFFF;
+	for(i=0; i<BURST_TEST_LENGTH; ++i) {
+		burst_buffout[i] = (uint8_t)(lfsr ^ (lfsr >> 4));
+		/* printf("%05d # 0x%04x 0x%02x\n", i, lfsr, burst_buffout[i]); */
+		lfsr = (lfsr & 1) ? ((lfsr >> 1) ^ 0x8679) : (lfsr >> 1);
+	}
+	
+	lgw_reg_wb(LGW_TX_DATA_BUF_DATA, burst_buffout, 256);
+	lgw_reg_rb(LGW_RX_DATA_BUF_DATA, burst_buffin, 256);
+	
+	/* impossible to check in software,
+	RX_DATA_BUF_DATA is read-only,
+	TX_DATA_BUF_DATA is write only,
+	use a logic analyser */
+	
+	/* --- END OF TEST --- */
+	
+	lgw_disconnect();
+	/* no SPI transaction */
+	
+	printf("End of test for loragw_reg.c\n");
+	return 0;
+}
+
+/* --- EOF ------------------------------------------------------------------ */