diff options
Diffstat (limited to 'loragw_hal/test/test_loragw_reg.c')
-rw-r--r-- | loragw_hal/test/test_loragw_reg.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/loragw_hal/test/test_loragw_reg.c b/loragw_hal/test/test_loragw_reg.c new file mode 100644 index 0000000..745ec89 --- /dev/null +++ b/loragw_hal/test/test_loragw_reg.c @@ -0,0 +1,131 @@ +/* + / _____) _ | | +( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | +(______/|_____)_|_|_| \__)_____)\____)_| |_| + ©2013 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 ------------------------------------------------------------------ */ |