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Easy manipulation of CC13xx Prop Mode RX buffers

master-31012017
George Oikonomou 2016-12-10 22:05:09 +00:00
parent ba12ed2cce
commit 07de8b238b
1 changed files with 25 additions and 19 deletions
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44
cpu/cc26xx-cc13xx/rf-core/prop-mode.c
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@ -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;