diff --git a/cpu/cc26xx-cc13xx/rf-core/prop-mode.c b/cpu/cc26xx-cc13xx/rf-core/prop-mode.c index 826a3d4cd..6264ebf61 100644 --- a/cpu/cc26xx-cc13xx/rf-core/prop-mode.c +++ b/cpu/cc26xx-cc13xx/rf-core/prop-mode.c @@ -219,14 +219,23 @@ const output_config_t *tx_power_current = &output_power[1]; #define PROP_MODE_LO_DIVIDER 0x05 #endif /*---------------------------------------------------------------------------*/ +#ifdef PROP_MODE_CONF_RX_BUF_CNT +#define PROP_MODE_RX_BUF_CNT PROP_MODE_CONF_RX_BUF_CNT +#else +#define PROP_MODE_RX_BUF_CNT 4 +#endif +/*---------------------------------------------------------------------------*/ #define DATA_ENTRY_LENSZ_NONE 0 #define DATA_ENTRY_LENSZ_BYTE 1 #define DATA_ENTRY_LENSZ_WORD 2 /* 2 bytes */ +/* + * RX buffers. + * PROP_MODE_RX_BUF_CNT buffers of RX_BUF_SIZE bytes each. The start of each + * buffer must be 4-byte aligned, therefore RX_BUF_SIZE must divide by 4 + */ #define RX_BUF_SIZE 140 -/* Receive buffers: 1 frame in each */ -static uint8_t rx_buf_0[RX_BUF_SIZE] CC_ALIGN(4); -static uint8_t rx_buf_1[RX_BUF_SIZE] CC_ALIGN(4); +static uint8_t rx_buf[PROP_MODE_RX_BUF_CNT][RX_BUF_SIZE] CC_ALIGN(4); /* The RX Data Queue */ static dataQueue_t rx_data_queue = { 0 }; @@ -431,20 +440,18 @@ static void init_rx_buffers(void) { rfc_dataEntry_t *entry; + int i; - entry = (rfc_dataEntry_t *)rx_buf_0; - entry->status = DATA_ENTRY_STATUS_PENDING; - entry->config.type = DATA_ENTRY_TYPE_GEN; - entry->config.lenSz = DATA_ENTRY_LENSZ_WORD; - entry->length = RX_BUF_SIZE - 8; - entry->pNextEntry = rx_buf_1; + for(i = 0; i < PROP_MODE_RX_BUF_CNT; i++) { + entry = (rfc_dataEntry_t *)rx_buf[i]; + entry->status = DATA_ENTRY_STATUS_PENDING; + entry->config.type = DATA_ENTRY_TYPE_GEN; + entry->config.lenSz = DATA_ENTRY_LENSZ_WORD; + entry->length = RX_BUF_SIZE - 8; + entry->pNextEntry = rx_buf[i + 1]; + } - entry = (rfc_dataEntry_t *)rx_buf_1; - entry->status = DATA_ENTRY_STATUS_PENDING; - entry->config.type = DATA_ENTRY_TYPE_GEN; - entry->config.lenSz = DATA_ENTRY_LENSZ_WORD; - entry->length = RX_BUF_SIZE - 8; - entry->pNextEntry = rx_buf_0; + ((rfc_dataEntry_t *)rx_buf[PROP_MODE_RX_BUF_CNT - 1])->pNextEntry = rx_buf[0]; } /*---------------------------------------------------------------------------*/ static int @@ -593,15 +600,14 @@ init(void) rf_core_set_modesel(); /* Initialise RX buffers */ - memset(rx_buf_0, 0, RX_BUF_SIZE); - memset(rx_buf_1, 0, RX_BUF_SIZE); + memset(rx_buf, 0, sizeof(rx_buf)); /* Set of RF Core data queue. Circular buffer, no last entry */ - rx_data_queue.pCurrEntry = rx_buf_0; + rx_data_queue.pCurrEntry = rx_buf[0]; rx_data_queue.pLastEntry = NULL; /* Initialize current read pointer to first element (used in ISR) */ - rx_read_entry = rx_buf_0; + rx_read_entry = rx_buf[0]; smartrf_settings_cmd_prop_rx_adv.pQueue = &rx_data_queue; smartrf_settings_cmd_prop_rx_adv.pOutput = (uint8_t *)&rx_stats;