diff options
Diffstat (limited to 'rf_test')
| -rw-r--r-- | rf_test/radio.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/rf_test/radio.c b/rf_test/radio.c index a0a8967..8c4f6b1 100644 --- a/rf_test/radio.c +++ b/rf_test/radio.c @@ -36,6 +36,7 @@ #define RF69_DIOMAPPING1_PAYLOAD_READY 0x40 static int8_t power = 0; +static uint8_t opmode = 0; static inline uint8_t read_reg(uint8_t reg) { @@ -64,10 +65,9 @@ static inline void write_reg(uint8_t reg, uint8_t val) static inline void set_mode(uint8_t mode) { - static uint8_t prev_mode; - uint8_t opmode; + uint8_t val; - if (prev_mode != mode) { + if (opmode != mode) { if (mode == RF69_OPMODE_TX) { if (power >= 18) { write_reg(RF69_REG_TESTPA1, RF69_TESTPA1_BOOST); @@ -83,15 +83,15 @@ static inline void set_mode(uint8_t mode) write_reg(RF69_REG_DIOMAPPING1, RF69_DIOMAPPING1_PAYLOAD_READY); } - opmode = read_reg(RF69_REG_OPMODE); - opmode &= ~0x1C; - opmode |= (mode & 0x1C); + val = read_reg(RF69_REG_OPMODE); + val &= ~0x1C; + val |= (mode & 0x1C); - write_reg(RF69_REG_OPMODE, opmode); + write_reg(RF69_REG_OPMODE, val); while (!(read_reg(RF69_REG_IRQFLAGS1) & 0x80)) ; - prev_mode = mode; + opmode = mode; } } @@ -116,8 +116,9 @@ void radio_set_tx_power(int8_t val) void radio_send(const char *data, uint8_t n) { - uint8_t i; + uint8_t i, mode; + mode = opmode; set_mode(RF69_OPMODE_STDBY); SPI_PORT &= ~(1 << SPI_SS); @@ -138,14 +139,17 @@ void radio_send(const char *data, uint8_t n) while (!(read_reg(RF69_REG_IRQFLAGS2) & 0x08)) ; - set_mode(RF69_OPMODE_STDBY); + set_mode(mode); } uint8_t radio_recv(char *buf, uint8_t n) { - uint8_t read_len; + uint8_t read_len, mode; read_len = 0; + mode = opmode; + + set_mode(RF69_OPMODE_STDBY); SPI_PORT &= ~(1 << SPI_SS); @@ -162,6 +166,7 @@ uint8_t radio_recv(char *buf, uint8_t n) SPI_PORT |= (1 << SPI_SS); + set_mode(mode); return read_len; } |