diff options
| author | Keith Packard <keithp@keithp.com> | 2013-01-13 21:38:26 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2013-01-13 21:38:26 -0800 |
| commit | f24c4219de9563cf0ef24b763ce54d961c182696 (patch) | |
| tree | 3ebcf489ac3f2c46e71c13bb62ecf8b47285e1cc | |
| parent | a866431e9a063830b407f749ff97a730831e5e4e (diff) | |
altos: Change CC1120 SPI speed to 4MHz.
Most of the chip can run at 8MHz, but extended register access is
limited to 6.1MHz. Instead of pushing things, just run the SPI bus at
4MHz.
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | src/drivers/ao_cc1120.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/drivers/ao_cc1120.c b/src/drivers/ao_cc1120.c index 8068740f..53bb5a62 100644 --- a/src/drivers/ao_cc1120.c +++ b/src/drivers/ao_cc1120.c @@ -38,7 +38,7 @@ extern const uint32_t ao_radio_cal; #define FOSC 32000000 -#define ao_radio_select() ao_spi_get_mask(AO_CC1120_SPI_CS_PORT,(1 << AO_CC1120_SPI_CS_PIN),AO_CC1120_SPI_BUS,AO_SPI_SPEED_1MHz) +#define ao_radio_select() ao_spi_get_mask(AO_CC1120_SPI_CS_PORT,(1 << AO_CC1120_SPI_CS_PIN),AO_CC1120_SPI_BUS,AO_SPI_SPEED_4MHz) #define ao_radio_deselect() ao_spi_put_mask(AO_CC1120_SPI_CS_PORT,(1 << AO_CC1120_SPI_CS_PIN),AO_CC1120_SPI_BUS) #define ao_radio_spi_send(d,l) ao_spi_send((d), (l), AO_CC1120_SPI_BUS) #define ao_radio_spi_send_fixed(d,l) ao_spi_send_fixed((d), (l), AO_CC1120_SPI_BUS) |