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diff --git a/libloragw/src/loragw_reg.c b/libloragw/src/loragw_reg.c
index 7e396bc..478f46a 100644
--- a/libloragw/src/loragw_reg.c
+++ b/libloragw/src/loragw_reg.c
@@ -48,7 +48,7 @@ Maintainer: Sylvain Miermont
#define PAGE_ADDR 0x00
#define PAGE_MASK 0x03
-const uint8_t FPGA_VERSION[] = { 31, 33 }; /* several versions could be supported */
+const uint8_t FPGA_VERSION[] = { 28, 31, 33 }; /* several versions could be supported */
/*
auto generated register mapping for C code : 11-Jul-2013 13:20:40
@@ -415,6 +415,16 @@ bool check_fpga_version(uint8_t version) {
return false;
}
+uint8_t read_fpga_version() {
+ uint8_t u = 0;
+ uint8_t spi_stat = lgw_spi_r(lgw_spi_target, LGW_SPI_MUX_MODE1, LGW_SPI_MUX_TARGET_FPGA, loregs[LGW_VERSION].addr, &u);
+ if (spi_stat != LGW_SPI_SUCCESS) {
+ DEBUG_MSG("ERROR READING VERSION REGISTER\n");
+ return LGW_REG_ERROR;
+ }
+ return u;
+}
+
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
int reg_w_align32(void *spi_target, uint8_t spi_mux_mode, uint8_t spi_mux_target, struct lgw_reg_s r, int32_t reg_value) {
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