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drivers: serial: xmc4xxx: drop usage of uart_device_config

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Create a driver specific configuration structure, containing the
required fields only.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2022-01-25 20:25:48 +01:00 • committed by Anas Nashif
commit f8423a1b45
1 changed files with 14 additions and 12 deletions
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26
drivers/serial/uart_xmc4xxx.c
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@ -11,42 +11,44 @@
#include <xmc_uart.h>
#include <drivers/uart.h>
struct uart_xmc4xx_config {
XMC_USIC_CH_t *uart;
};
struct uart_xmc4xxx_data {
XMC_UART_CH_CONFIG_t config;
};
static int uart_xmc4xxx_poll_in(const struct device *dev, unsigned char *c)
{
const struct uart_device_config *config = dev->config;
const struct uart_xmc4xx_config *config = dev->config;
*(uint16_t *)c =
XMC_UART_CH_GetReceivedData((XMC_USIC_CH_t *)config->base);
*(uint16_t *)c = XMC_UART_CH_GetReceivedData(config->uart);
return 0;
}
static void uart_xmc4xxx_poll_out(const struct device *dev, unsigned char c)
{
const struct uart_device_config *config = dev->config;
const struct uart_xmc4xx_config *config = dev->config;
XMC_UART_CH_Transmit((XMC_USIC_CH_t *)config->base, (uint16_t)c);
XMC_UART_CH_Transmit(config->uart, (uint16_t)c);
}
static int uart_xmc4xxx_init(const struct device *dev)
{
const struct uart_device_config *config = dev->config;
const struct uart_xmc4xx_config *config = dev->config;
struct uart_xmc4xxx_data *data = dev->data;
XMC_USIC_CH_t *uart = (XMC_USIC_CH_t *)config->base;
data->config.data_bits = 8U;
data->config.stop_bits = 1U;
/* configure PIN 0.0 and 0.1 as UART */
XMC_UART_CH_Init(uart, &(data->config));
XMC_UART_CH_Init(config->uart, &(data->config));
XMC_GPIO_SetMode(P0_0, XMC_GPIO_MODE_INPUT_TRISTATE);
XMC_UART_CH_SetInputSource(uart, XMC_UART_CH_INPUT_RXD,
XMC_UART_CH_SetInputSource(config->uart, XMC_UART_CH_INPUT_RXD,
USIC1_C1_DX0_P0_0);
XMC_UART_CH_Start(uart);
XMC_UART_CH_Start(config->uart);
XMC_GPIO_SetMode(P0_1,
XMC_GPIO_MODE_OUTPUT_PUSH_PULL | P0_1_AF_U1C1_DOUT0);
@ -64,8 +66,8 @@ static struct uart_xmc4xxx_data xmc4xxx_data_##index = { \
.config.baudrate = DT_INST_PROP(index, current_speed) \
}; \
\
static const struct uart_device_config xmc4xxx_config_##index = { \
.base = (void *)DT_INST_REG_ADDR(index), \
static const struct uart_xmc4xx_config xmc4xxx_config_##index = { \
.uart = (XMC_USIC_CH_t *)DT_INST_REG_ADDR(index), \
}; \
\
DEVICE_DT_INST_DEFINE(index, &uart_xmc4xxx_init, \