comment fixes

Author: kilograham

src/rp2_common/hardware_pio/include/hardware/pio.h

@@ -441,7 +441,7 @@ static inline void pio_gpio_init(PIO pio, uint pin) {
  *
  * \param pio The PIO instance; either \ref pio0 or \ref pio1
  * \param sm State machine index (0..3)
- * \param is_tx true for sending data to the state machine, false for received data from the state machine
+ * \param is_tx true for sending data to the state machine, false for receiving data from the state machine
  */
 static inline uint pio_get_dreq(PIO pio, uint sm, bool is_tx) {
     static_assert(DREQ_PIO0_TX1 == DREQ_PIO0_TX0 + 1, "");

src/rp2_common/hardware_spi/include/hardware/spi.h

@@ -342,7 +342,7 @@ int spi_read16_blocking(spi_inst_t *spi, uint16_t repeated_tx_data, uint16_t *ds
  *  \ingroup hardware_spi
  *
  * \param spi SPI instance specifier, either \ref spi0 or \ref spi1
- * \param is_tx true for sending data to the SPI instance, false for received data from the SPI instance
+ * \param is_tx true for sending data to the SPI instance, false for receiving data from the SPI instance
  */
 static inline uint spi_get_dreq(spi_inst_t *spi, bool is_tx) {
     static_assert(DREQ_SPI0_RX == DREQ_SPI0_TX + 1, "");

src/rp2_common/hardware_uart/include/hardware/uart.h

@@ -437,7 +437,7 @@ bool uart_is_readable_within_us(uart_inst_t *uart, uint32_t us);
  *  \ingroup hardware_uart
  *
  * \param uart UART instance. \ref uart0 or \ref uart1
- * \param is_tx true for sending data to the UART instance, false for received data from the SPI instance
+ * \param is_tx true for sending data to the UART instance, false for receiving data from the UART instance
  */
 static inline uint uart_get_dreq(uart_inst_t *uart, bool is_tx) {
     static_assert(DREQ_UART0_RX == DREQ_UART0_TX + 1, "");