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Diffstat (limited to 'platform/ext/target/arm/musca_b1/sse_200/CMSIS_Driver/Driver_USART.c')
-rw-r--r--platform/ext/target/arm/musca_b1/sse_200/CMSIS_Driver/Driver_USART.c417
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diff --git a/platform/ext/target/arm/musca_b1/sse_200/CMSIS_Driver/Driver_USART.c b/platform/ext/target/arm/musca_b1/sse_200/CMSIS_Driver/Driver_USART.c
new file mode 100644
index 0000000000..fe25126b78
--- /dev/null
+++ b/platform/ext/target/arm/musca_b1/sse_200/CMSIS_Driver/Driver_USART.c
@@ -0,0 +1,417 @@
+/*
+ * Copyright (c) 2013-2019 Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Driver_USART.h"
+
+#include "cmsis_driver_config.h"
+#include "RTE_Device.h"
+
+#ifndef ARG_UNUSED
+#define ARG_UNUSED(arg) (void)arg
+#endif
+
+/* Driver version */
+#define ARM_USART_DRV_VERSION ARM_DRIVER_VERSION_MAJOR_MINOR(2, 2)
+
+/* Driver Version */
+static const ARM_DRIVER_VERSION DriverVersion = {
+ ARM_USART_API_VERSION,
+ ARM_USART_DRV_VERSION
+};
+
+/* Driver Capabilities */
+static const ARM_USART_CAPABILITIES DriverCapabilities = {
+ 1, /* supports UART (Asynchronous) mode */
+ 0, /* supports Synchronous Master mode */
+ 0, /* supports Synchronous Slave mode */
+ 0, /* supports UART Single-wire mode */
+ 0, /* supports UART IrDA mode */
+ 0, /* supports UART Smart Card mode */
+ 0, /* Smart Card Clock generator available */
+ 0, /* RTS Flow Control available */
+ 0, /* CTS Flow Control available */
+ 0, /* Transmit completed event: \ref ARM_USARTx_EVENT_TX_COMPLETE */
+ 0, /* Signal receive character timeout event:
+ * \ref ARM_USARTx_EVENT_RX_TIMEOUT
+ */
+ 0, /* RTS Line: 0=not available, 1=available */
+ 0, /* CTS Line: 0=not available, 1=available */
+ 0, /* DTR Line: 0=not available, 1=available */
+ 0, /* DSR Line: 0=not available, 1=available */
+ 0, /* DCD Line: 0=not available, 1=available */
+ 0, /* RI Line: 0=not available, 1=available */
+ 0, /* Signal CTS change event: \ref ARM_USARTx_EVENT_CTS */
+ 0, /* Signal DSR change event: \ref ARM_USARTx_EVENT_DSR */
+ 0, /* Signal DCD change event: \ref ARM_USARTx_EVENT_DCD */
+ 0, /* Signal RI change event: \ref ARM_USARTx_EVENT_RI */
+ 0 /* Reserved */
+};
+
+static ARM_DRIVER_VERSION ARM_USART_GetVersion(void)
+{
+ return DriverVersion;
+}
+
+static ARM_USART_CAPABILITIES ARM_USART_GetCapabilities(void)
+{
+ return DriverCapabilities;
+}
+
+typedef struct {
+ struct uart_pl011_dev_t* dev; /* UART device structure */
+ uint32_t tx_nbr_bytes; /* Number of bytes transfered */
+ uint32_t rx_nbr_bytes; /* Number of bytes recevied */
+ ARM_USART_SignalEvent_t cb_event; /* Callback function for events */
+} UARTx_Resources;
+
+static int32_t ARM_USARTx_Initialize(UARTx_Resources* uart_dev)
+{
+ /* Initializes generic UART driver */
+ uart_pl011_init(uart_dev->dev, PeripheralClock);
+
+ uart_pl011_enable(uart_dev->dev);
+
+ return ARM_DRIVER_OK;
+}
+
+static int32_t ARM_USARTx_Uninitialize(UARTx_Resources* uart_dev)
+{
+ /* Disables and uninitializes generic UART driver */
+ uart_pl011_uninit(uart_dev->dev);
+
+ return ARM_DRIVER_OK;
+}
+
+static int32_t ARM_USARTx_PowerControl(UARTx_Resources* uart_dev,
+ ARM_POWER_STATE state)
+{
+ ARG_UNUSED(uart_dev);
+
+ switch (state) {
+ case ARM_POWER_OFF:
+ case ARM_POWER_LOW:
+ return ARM_DRIVER_ERROR_UNSUPPORTED;
+ case ARM_POWER_FULL:
+ /* Nothing to be done */
+ return ARM_DRIVER_OK;
+ default:
+ return ARM_DRIVER_ERROR_PARAMETER;
+ }
+}
+
+static int32_t ARM_USARTx_Send(UARTx_Resources* uart_dev, const void *data,
+ uint32_t num)
+{
+ const uint8_t* p_data = (const uint8_t*)data;
+
+ if ((data == NULL) || (num == 0U)) {
+ /* Invalid parameters */
+ return ARM_DRIVER_ERROR_PARAMETER;
+ }
+
+ /* Resets previous TX counter */
+ uart_dev->tx_nbr_bytes = 0;
+
+ while(uart_dev->tx_nbr_bytes != num) {
+ /* Waits until UART is ready to transmit */
+ while(!uart_pl011_is_writable(uart_dev->dev)) {};
+
+ /* As UART is ready to transmit at this point, the write function can
+ * not return any transmit error */
+ (void)uart_pl011_write(uart_dev->dev, *p_data);
+
+ uart_dev->tx_nbr_bytes++;
+ p_data++;
+ }
+
+ /* Waits until character is transmited */
+ while (!uart_pl011_is_writable(uart_dev->dev)){};
+
+ return ARM_DRIVER_OK;
+}
+
+static int32_t ARM_USARTx_Receive(UARTx_Resources* uart_dev,
+ void *data, uint32_t num)
+{
+ uint8_t* p_data = (uint8_t*)data;
+
+ if ((data == NULL) || (num == 0U)) {
+ // Invalid parameters
+ return ARM_DRIVER_ERROR_PARAMETER;
+ }
+
+ /* Resets previous RX counter */
+ uart_dev->rx_nbr_bytes = 0;
+
+ while(uart_dev->rx_nbr_bytes != num) {
+ /* Waits until one character is received */
+ while (!uart_pl011_is_readable(uart_dev->dev)){};
+
+ /* As UART has received one byte, the read can not
+ * return any receive error at this point */
+ (void)uart_pl011_read(uart_dev->dev, p_data);
+
+ uart_dev->rx_nbr_bytes++;
+ p_data++;
+ }
+
+ return ARM_DRIVER_OK;
+}
+
+static uint32_t ARM_USARTx_GetTxCount(UARTx_Resources* uart_dev)
+{
+ return uart_dev->tx_nbr_bytes;
+}
+
+static uint32_t ARM_USARTx_GetRxCount(UARTx_Resources* uart_dev)
+{
+ return uart_dev->rx_nbr_bytes;
+}
+
+static int32_t ARM_USARTx_Control(UARTx_Resources* uart_dev, uint32_t control,
+ uint32_t arg)
+{
+ switch (control & ARM_USART_CONTROL_Msk) {
+ case ARM_USART_MODE_ASYNCHRONOUS:
+ if(uart_pl011_set_baudrate(uart_dev->dev, arg) !=
+ UART_PL011_ERR_NONE) {
+ return ARM_USART_ERROR_BAUDRATE;
+ }
+ break;
+ /* Unsupported command */
+ default:
+ return ARM_DRIVER_ERROR_UNSUPPORTED;
+ }
+
+ /* UART Data bits */
+ if(control & ARM_USART_DATA_BITS_Msk) {
+ /* Data bit is not configurable */
+ return ARM_DRIVER_ERROR_UNSUPPORTED;
+ }
+
+ /* UART Parity */
+ if(control & ARM_USART_PARITY_Msk) {
+ /* Parity is not configurable */
+ return ARM_USART_ERROR_PARITY;
+ }
+
+ /* USART Stop bits */
+ if(control & ARM_USART_STOP_BITS_Msk) {
+ /* Stop bit is not configurable */
+ return ARM_USART_ERROR_STOP_BITS;
+ }
+
+ return ARM_DRIVER_OK;
+}
+
+#if (RTE_USART0)
+/* USART0 Driver wrapper functions */
+static UARTx_Resources USART0_DEV = {
+ .dev = &UART0_DEV,
+ .tx_nbr_bytes = 0,
+ .rx_nbr_bytes = 0,
+ .cb_event = NULL,
+};
+
+static int32_t ARM_USART0_Initialize(ARM_USART_SignalEvent_t cb_event)
+{
+ USART0_DEV.cb_event = cb_event;
+
+ musca_b1_scc_set_alt_func(&MUSCA_B1_SCC_DEV, GPIO_ALTFUNC_1, 1<<AHB_GPIO0_0);
+ musca_b1_scc_set_alt_func(&MUSCA_B1_SCC_DEV, GPIO_ALTFUNC_1, 1<<AHB_GPIO0_1);
+
+ return ARM_USARTx_Initialize(&USART0_DEV);
+}
+
+static int32_t ARM_USART0_Uninitialize(void)
+{
+ return ARM_USARTx_Uninitialize(&USART0_DEV);
+}
+
+static int32_t ARM_USART0_PowerControl(ARM_POWER_STATE state)
+{
+ return ARM_USARTx_PowerControl(&USART0_DEV, state);
+}
+
+static int32_t ARM_USART0_Send(const void *data, uint32_t num)
+{
+ return ARM_USARTx_Send(&USART0_DEV, data, num);
+}
+
+static int32_t ARM_USART0_Receive(void *data, uint32_t num)
+{
+ return ARM_USARTx_Receive(&USART0_DEV, data, num);
+}
+
+static int32_t ARM_USART0_Transfer(const void *data_out, void *data_in,
+ uint32_t num)
+{
+ ARG_UNUSED(data_out);
+ ARG_UNUSED(data_in);
+ ARG_UNUSED(num);
+
+ return ARM_DRIVER_ERROR_UNSUPPORTED;
+}
+
+static uint32_t ARM_USART0_GetTxCount(void)
+{
+ return ARM_USARTx_GetTxCount(&USART0_DEV);
+}
+
+static uint32_t ARM_USART0_GetRxCount(void)
+{
+ return ARM_USARTx_GetRxCount(&USART0_DEV);
+}
+static int32_t ARM_USART0_Control(uint32_t control, uint32_t arg)
+{
+ return ARM_USARTx_Control(&USART0_DEV, control, arg);
+}
+
+static ARM_USART_STATUS ARM_USART0_GetStatus(void)
+{
+ ARM_USART_STATUS status = {0, 0, 0, 0, 0, 0, 0, 0};
+ return status;
+}
+
+static int32_t ARM_USART0_SetModemControl(ARM_USART_MODEM_CONTROL control)
+{
+ ARG_UNUSED(control);
+ return ARM_DRIVER_ERROR_UNSUPPORTED;
+}
+
+static ARM_USART_MODEM_STATUS ARM_USART0_GetModemStatus(void)
+{
+ ARM_USART_MODEM_STATUS modem_status = {0, 0, 0, 0, 0};
+ return modem_status;
+}
+
+extern ARM_DRIVER_USART Driver_USART0;
+ARM_DRIVER_USART Driver_USART0 = {
+ ARM_USART_GetVersion,
+ ARM_USART_GetCapabilities,
+ ARM_USART0_Initialize,
+ ARM_USART0_Uninitialize,
+ ARM_USART0_PowerControl,
+ ARM_USART0_Send,
+ ARM_USART0_Receive,
+ ARM_USART0_Transfer,
+ ARM_USART0_GetTxCount,
+ ARM_USART0_GetRxCount,
+ ARM_USART0_Control,
+ ARM_USART0_GetStatus,
+ ARM_USART0_SetModemControl,
+ ARM_USART0_GetModemStatus
+};
+#endif /* RTE_USART0 */
+
+#if (RTE_USART1)
+/* USART1 Driver wrapper functions */
+static UARTx_Resources USART1_DEV = {
+ .dev = &UART1_DEV,
+ .tx_nbr_bytes = 0,
+ .rx_nbr_bytes = 0,
+ .cb_event = NULL,
+};
+
+static int32_t ARM_USART1_Initialize(ARM_USART_SignalEvent_t cb_event)
+{
+ USART1_DEV.cb_event = cb_event;
+
+ return ARM_USARTx_Initialize(&USART1_DEV);
+}
+
+static int32_t ARM_USART1_Uninitialize(void)
+{
+ return ARM_USARTx_Uninitialize(&USART1_DEV);
+}
+
+static int32_t ARM_USART1_PowerControl(ARM_POWER_STATE state)
+{
+ return ARM_USARTx_PowerControl(&USART1_DEV, state);
+}
+
+static int32_t ARM_USART1_Send(const void *data, uint32_t num)
+{
+ return ARM_USARTx_Send(&USART1_DEV, data, num);
+}
+
+static int32_t ARM_USART1_Receive(void *data, uint32_t num)
+{
+ return ARM_USARTx_Receive(&USART1_DEV, data, num);
+}
+
+static int32_t ARM_USART1_Transfer(const void *data_out, void *data_in,
+ uint32_t num)
+{
+ ARG_UNUSED(data_out);
+ ARG_UNUSED(data_in);
+ ARG_UNUSED(num);
+
+ return ARM_DRIVER_ERROR_UNSUPPORTED;
+}
+
+static uint32_t ARM_USART1_GetTxCount(void)
+{
+ return ARM_USARTx_GetTxCount(&USART1_DEV);
+}
+
+static uint32_t ARM_USART1_GetRxCount(void)
+{
+ return ARM_USARTx_GetRxCount(&USART1_DEV);
+}
+static int32_t ARM_USART1_Control(uint32_t control, uint32_t arg)
+{
+ return ARM_USARTx_Control(&USART1_DEV, control, arg);
+}
+
+static ARM_USART_STATUS ARM_USART1_GetStatus(void)
+{
+ ARM_USART_STATUS status = {0, 0, 0, 0, 0, 0, 0, 0};
+ return status;
+}
+
+static int32_t ARM_USART1_SetModemControl(ARM_USART_MODEM_CONTROL control)
+{
+ ARG_UNUSED(control);
+ return ARM_DRIVER_ERROR_UNSUPPORTED;
+}
+
+static ARM_USART_MODEM_STATUS ARM_USART1_GetModemStatus(void)
+{
+ ARM_USART_MODEM_STATUS modem_status = {0, 0, 0, 0, 0};
+ return modem_status;
+}
+
+extern ARM_DRIVER_USART Driver_USART1;
+ARM_DRIVER_USART Driver_USART1 = {
+ ARM_USART_GetVersion,
+ ARM_USART_GetCapabilities,
+ ARM_USART1_Initialize,
+ ARM_USART1_Uninitialize,
+ ARM_USART1_PowerControl,
+ ARM_USART1_Send,
+ ARM_USART1_Receive,
+ ARM_USART1_Transfer,
+ ARM_USART1_GetTxCount,
+ ARM_USART1_GetRxCount,
+ ARM_USART1_Control,
+ ARM_USART1_GetStatus,
+ ARM_USART1_SetModemControl,
+ ARM_USART1_GetModemStatus
+};
+#endif /* RTE_USART1 */