From 1b486a6f7fd82f923acbfdc7b03f2fc6b0ec773d Mon Sep 17 00:00:00 2001 From: Sadeep Madurange Date: Sun, 24 Nov 2024 12:56:17 +0800 Subject: Return read byte count. --- rf_test/rfm.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'rf_test/rfm.c') diff --git a/rf_test/rfm.c b/rf_test/rfm.c index 07b5fc7..5f855fc 100644 --- a/rf_test/rfm.c +++ b/rf_test/rfm.c @@ -107,14 +107,18 @@ void rfm_sendto(uint8_t addr, uint8_t *data, uint8_t n) ; } -void rfm_recvfrom(uint8_t addr, uint8_t *buf, uint8_t n) +uint8_t rfm_recvfrom(uint8_t addr, uint8_t *buf, uint8_t n) { - uint8_t i; + uint8_t i, bytes; SS_PORT |= (1 << SS_PIN); - for (i = 0; i < n && ((read_reg(0x28) >> 6) & 1); i++) + for (i = 0; i < n && ((read_reg(0x28) >> 6) & 1); i++) { buf[i] = read_reg(0x00); + bytes++; + } SS_PORT &= ~(1 << SS_PIN); + + return bytes; } -- cgit v1.2.3