diff options
| author | Uros Majstorovic <majstor@majstor.org> | 2020-02-26 13:38:40 +0100 |
|---|---|---|
| committer | Uros Majstorovic <majstor@majstor.org> | 2020-02-26 13:38:40 +0100 |
| commit | 819f823ec215d5c9f4ae6c3d05cd9048e22703b7 (patch) | |
| tree | 5dba42761e0ab607ce6c00788ba002bcb562a2f2 /code/fe310/eos/spi_dev.c | |
| parent | 4d45c548bfaf27bd2135384b3ffd0c4bdb41521c (diff) | |
spidev set divider
Diffstat (limited to 'code/fe310/eos/spi_dev.c')
| -rw-r--r-- | code/fe310/eos/spi_dev.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/code/fe310/eos/spi_dev.c b/code/fe310/eos/spi_dev.c index dd956f3..aed26bc 100644 --- a/code/fe310/eos/spi_dev.c +++ b/code/fe310/eos/spi_dev.c @@ -20,17 +20,19 @@ #define SPI_CSPIN_CAM 23 +static uint16_t spi_dev_div[EOS_DEV_MAX_DEV]; + void eos_spi_dev_start(unsigned char dev) { eos_net_stop(); switch (dev) { case EOS_DEV_DISP: - eos_spi_start(dev, SPI_DIV_DISP, SPI_CSID_DISP, 0); + eos_spi_start(dev, spi_dev_div[dev-1], SPI_CSID_DISP, 0); break; case EOS_DEV_CARD: - eos_spi_start(dev, SPI_DIV_CARD, SPI_CSID_CARD, 0); + eos_spi_start(dev, spi_dev_div[dev-1], SPI_CSID_CARD, 0); break; case EOS_DEV_CAM: - eos_spi_start(dev, SPI_DIV_CAM, SPI_CSID_NONE, SPI_CSPIN_CAM); + eos_spi_start(dev, spi_dev_div[dev-1], SPI_CSID_NONE, SPI_CSPIN_CAM); break; } } @@ -41,6 +43,10 @@ void eos_spi_dev_stop(void) { } void eos_spi_dev_init(void) { + spi_dev_div[EOS_DEV_DISP - 1] = SPI_DIV_DISP; + spi_dev_div[EOS_DEV_CARD - 1] = SPI_DIV_CARD; + spi_dev_div[EOS_DEV_CAM - 1] = SPI_DIV_CAM; + GPIO_REG(GPIO_INPUT_EN) &= ~(1 << SPI_CSPIN_CAM); GPIO_REG(GPIO_OUTPUT_EN) |= (1 << SPI_CSPIN_CAM); GPIO_REG(GPIO_PULLUP_EN) &= ~(1 << SPI_CSPIN_CAM); @@ -48,3 +54,6 @@ void eos_spi_dev_init(void) { GPIO_REG(GPIO_OUTPUT_VAL) |= (1 << SPI_CSPIN_CAM); } +void eos_spi_dev_set_div(unsigned char dev, uint16_t div) { + spi_dev_div[dev-1] = div; +} |