diff options
| author | henryk <henryk@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2008-02-02 06:16:31 +0000 |
|---|---|---|
| committer | henryk <henryk@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2008-02-02 06:16:31 +0000 |
| commit | fa61e60d06e7a50fd3d681822a5f637f14582d80 (patch) | |
| tree | aa67e824b8edeb1c0521933542956863b2752cd2 /openpicc/application/ssc_picc.c | |
| parent | c68c113ee8e1357c718bc492078d41b52dae4767 (diff) | |
Commit status quo. Partly or severely broken.
git-svn-id: https://svn.openpcd.org:2342/trunk@402 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
Diffstat (limited to 'openpicc/application/ssc_picc.c')
| -rw-r--r-- | openpicc/application/ssc_picc.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/openpicc/application/ssc_picc.c b/openpicc/application/ssc_picc.c index d92c7bc..b2fd00b 100644 --- a/openpicc/application/ssc_picc.c +++ b/openpicc/application/ssc_picc.c @@ -388,7 +388,7 @@ out_set_mode: * a PIO change interrupt, have Fast Forcing enabled for the PIO change interrupt and * then activate the SSC TX in the FIQ handler on rising TF. ssc_tx_pending is queried * by the fiq handler to see whether to start the transmitter. */ -#define USE_SSC_TX_TF_WORKAROUND +//#define USE_SSC_TX_TF_WORKAROUND volatile u_int32_t ssc_tx_pending = 0; /* This is the time that the TF FIQ should spin until before SWTRG'ing the tc_cdiv. @@ -398,7 +398,7 @@ volatile u_int32_t ssc_tx_fiq_fdt_cdiv = 0; * There must be enough time between these two! */ volatile u_int32_t ssc_tx_fiq_fdt_ssc = 0; #ifndef USE_SSC_TX_TF_WORKAROUND -#error Transmission is broken without USE_SSC_TX_TF_WORKAROUND, see comments in code +//#error Transmission is broken without USE_SSC_TX_TF_WORKAROUND, see comments in code #endif void ssc_tf_irq(u_int32_t pio); @@ -417,7 +417,7 @@ void ssc_tx_start(ssc_dma_tx_buffer_t *buf) #ifdef USE_SSC_TX_TF_WORKAROUND start_cond = AT91C_SSC_START_CONTINOUS; #else - start_cond = AT91C_SSC_START_RISE_RF; + start_cond = AT91C_SSC_START_HIGH_RF; #endif sync_len = 1; data_len = 32; @@ -435,15 +435,15 @@ void ssc_tx_start(ssc_dma_tx_buffer_t *buf) AT91F_SSC_EnableIt(ssc, AT91C_SSC_ENDTX); /* Enable DMA */ AT91F_PDC_EnableTx(tx_pdc); - AT91F_PDC_SetTx(tx_pdc, buf->data, num_data); + //AT91F_PDC_SetTx(tx_pdc, buf->data, num_data); +#ifdef OPENPICC_USE_SSC_DATA_GATING + ssc_set_data_gate(0); +#endif /* Start Transmission */ #ifndef USE_SSC_TX_TF_WORKAROUND AT91F_SSC_EnableTx(AT91C_BASE_SSC); #else ssc_tx_pending = 1; -#ifdef OPENPICC_USE_SSC_DATA_GATING - ssc_set_data_gate(0); -#endif pio_irq_enable(OPENPICC_SSC_TF); if(AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, OPENPICC_SSC_TF)) { /* TF was probably already high when we enabled the PIO change interrupt for it. */ @@ -596,6 +596,7 @@ static void __ramfunc ssc_irq(void) #ifdef OPENPICC_USE_SSC_DATA_GATING ssc_set_data_gate(1); #endif + AT91F_SSC_EnableTx(AT91C_BASE_SSC); //usb_print_string_f("ENDTX ", 0); if(ssc_tx_buffer.state == PENDING) { ssc_tx_buffer.state = FREE; |