diff options
| author | (no author) <(no author)@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2006-07-30 10:19:45 +0000 |
|---|---|---|
| committer | (no author) <(no author)@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2006-07-30 10:19:45 +0000 |
| commit | 5f19aeb0e4dd2fe1b50ffae6560c0cbc6166b402 (patch) | |
| tree | 2d83f30de643d3f02048fe7298b708fec70b6058 /openpcd | |
| parent | 7cffc96735bda1cca4fe6532d25bdd56c065d46b (diff) | |
- use 4.8MHz SPI in case of DMA
- fix wait-after-powerup to vendor-specified command reg polling
- fix function prototype in case !DEBUG
git-svn-id: https://svn.openpcd.org:2342/trunk@63 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
Diffstat (limited to 'openpcd')
| -rw-r--r-- | openpcd/firmware/src/rc632.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/openpcd/firmware/src/rc632.c b/openpcd/firmware/src/rc632.c index 0acf1c1..54d06cd 100644 --- a/openpcd/firmware/src/rc632.c +++ b/openpcd/firmware/src/rc632.c @@ -364,11 +364,17 @@ void rc632_reset(void) volatile int i; rc632_power(0); - for (i = 0; i < 0xfffff; i++) + for (i = 0; i < 0xffff; i++) {} rc632_power(1); - for (i = 0; i < 0xfffff; i++) - {} + + /* wait for startup phase to finish */ + while (1) { + u_int8_t val; + rc632_reg_read(RAH, RC632_REG_COMMAND, &val); + if (val == 0x00) + break; + } /* turn off register paging */ rc632_reg_write(RAH, RC632_REG_PAGE0, 0x00); @@ -405,12 +411,14 @@ void rc632_init(void) #endif /* CPOL = 0, NCPHA = 1, CSAAT = 0, BITS = 0000, SCBR = 10 (4.8MHz), * DLYBS = 0, DLYBCT = 0 */ - //AT91F_SPI_CfgCs(pSPI, 0, AT91C_SPI_BITS_8|AT91C_SPI_NCPHA|(10<<8)); +#ifdef SPI_USES_DMA + AT91F_SPI_CfgCs(pSPI, 0, AT91C_SPI_BITS_8|AT91C_SPI_NCPHA|(10<<8)); +#else + /* 320 kHz in case of I/O based SPI */ AT91F_SPI_CfgCs(pSPI, 0, AT91C_SPI_BITS_8|AT91C_SPI_NCPHA|(0x7f<<8)); +#endif AT91F_SPI_Enable(pSPI); - //AT91F_SPI_Reset(pSPI); - /* Register rc632_irq */ AT91F_AIC_ConfigureIt(AT91C_BASE_AIC, OPENPCD_IRQ_RC632, OPENPCD_IRQ_PRIO_RC632, @@ -494,6 +502,6 @@ int rc632_test(struct rfid_asic_handle *hdl) return 0; } #else /* DEBUG */ -int rc632_test(void) {} +int rc632_test(struct rfid_asic_handle *hdl) {} int rc632_dump(void) {} #endif /* DEBUG */ |