spicmds: Check for an incorrect mode in spicmds.c
Check the mode parameter in spicmds.c so that the mcu code does not need to check it. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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6b108aa885
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db4f0c24cd
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@ -39,7 +39,7 @@ spi_init(void)
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struct spi_config
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spi_setup(uint32_t bus, uint8_t mode, uint32_t rate)
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{
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if (bus || mode > 3)
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if (bus)
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shutdown("Invalid spi_setup parameters");
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// Make sure the SPI interface is enabled
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@ -35,7 +35,7 @@ spi_init(void)
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struct spi_config
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spi_setup(uint32_t bus, uint8_t mode, uint32_t rate)
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{
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if (bus || mode > 3)
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if (bus)
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shutdown("Invalid spi_setup parameters");
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// Make sure bus is enabled
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@ -54,7 +54,7 @@ spi_init(void)
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struct spi_config
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spi_setup(uint32_t bus, uint8_t mode, uint32_t rate)
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{
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if (bus != CHANNEL || mode > 3)
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if (bus != CHANNEL)
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shutdown("Invalid spi_setup parameters");
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// Make sure bus is enabled
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@ -21,7 +21,7 @@ struct spi_config
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spi_setup(uint32_t bus, uint8_t mode, uint32_t rate)
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{
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Usart *p_usart = USART0;
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if (bus > 2 || mode > 3) {
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if (bus > 2) {
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shutdown("Invalid spi_setup parameters");
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}
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@ -26,12 +26,14 @@ enum {
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void
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command_config_spi(uint32_t *args)
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{
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uint8_t shutdown_msg_len = args[5];
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uint8_t mode = args[3], shutdown_msg_len = args[5];
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if (mode > 3)
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shutdown("Invalid spi mode");
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struct spidev_s *spi = oid_alloc(args[0], command_config_spi
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, sizeof(*spi) + shutdown_msg_len);
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spi->pin = gpio_out_setup(args[2], 1);
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spi->flags = SF_HAVE_PIN;
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spi->spi_config = spi_setup(args[1], args[3], args[4]);
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spi->spi_config = spi_setup(args[1], mode, args[4]);
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spi->shutdown_msg_len = shutdown_msg_len;
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uint8_t *shutdown_msg = (void*)(size_t)args[6];
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memcpy(spi->shutdown_msg, shutdown_msg, shutdown_msg_len);
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@ -42,10 +44,12 @@ DECL_COMMAND(command_config_spi,
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void
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command_config_spi_without_cs(uint32_t *args)
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{
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uint8_t shutdown_msg_len = args[4];
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uint8_t mode = args[2], shutdown_msg_len = args[4];
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if (mode > 3)
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shutdown("Invalid spi mode");
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struct spidev_s *spi = oid_alloc(args[0], command_config_spi
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, sizeof(*spi) + shutdown_msg_len);
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spi->spi_config = spi_setup(args[1], args[2], args[3]);
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spi->spi_config = spi_setup(args[1], mode, args[3]);
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spi->shutdown_msg_len = shutdown_msg_len;
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uint8_t *shutdown_msg = (void*)(size_t)args[5];
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memcpy(spi->shutdown_msg, shutdown_msg, shutdown_msg_len);
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@ -30,8 +30,6 @@ static void spi_set_mode(SPI_TypeDef *spi, uint8_t mode)
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LL_SPI_SetClockPolarity(spi, LL_SPI_POLARITY_HIGH);
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LL_SPI_SetClockPhase(spi, LL_SPI_PHASE_2EDGE);
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break;
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default:
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shutdown("Invalid SPI mode");
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}
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}
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