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lpc176x: Add support for serial on UART3 P4.29/P4.28

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2021-05-25 12:58:26 -04:00
parent ce8fe615ed
commit b1f6a608c3
3 changed files with 23 additions and 9 deletions
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24
src/lpc176x/serial.c
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@@ -12,13 +12,23 @@
#include "internal.h" // gpio_peripheral
#include "sched.h" // DECL_INIT
DECL_CONSTANT_STR("RESERVE_PINS_serial", "P0.3,P0.2");
#define GPIO_Rx GPIO(0, 3)
#define GPIO_Tx GPIO(0, 2)
#define GPIO_FUNCTION_UARTx 1
#define LPC_UARTx LPC_UART0
#define UARTx_IRQn UART0_IRQn
#define PCLK_UARTx PCLK_UART0
#if CONFIG_LPC_SERIAL_UART0_P03_P02
DECL_CONSTANT_STR("RESERVE_PINS_serial", "P0.3,P0.2");
#define GPIO_Rx GPIO(0, 3)
#define GPIO_Tx GPIO(0, 2)
#define GPIO_FUNCTION_UARTx 1
#define LPC_UARTx LPC_UART0
#define UARTx_IRQn UART0_IRQn
#define PCLK_UARTx PCLK_UART0
#elif CONFIG_LPC_SERIAL_UART3_P429_P428
DECL_CONSTANT_STR("RESERVE_PINS_serial", "P4.29,P4.28");
#define GPIO_Rx GPIO(4, 29)
#define GPIO_Tx GPIO(4, 28)
#define GPIO_FUNCTION_UARTx 3
#define LPC_UARTx LPC_UART3
#define UARTx_IRQn UART3_IRQn
#define PCLK_UARTx PCLK_UART3
#endif
// Write tx bytes to the serial port
static void