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thermosphere: add TransportInterface abstraction layer

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This commit is contained in:
TuxSH
2020-01-12 01:59:26 +00:00
parent 26bda4f32d
commit 3b542e749f
11 changed files with 499 additions and 66 deletions
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19
thermosphere/src/platform/qemu/uart.c
View File

@@ -87,7 +87,6 @@ void uartInit(UartDevice dev, u32 baudRate, u32 flags)
// Enable tx, rx, and uart overall
uart->cr = PL011_UARTCR_RXE | PL011_UARTCR_TXE | PL011_UARTCR_UARTEN;
//uart->imsc = PL011_RTI | PL011_RXI | PL011_RXI;
}
void uartWriteData(UartDevice dev, const void *buffer, size_t size)
@@ -129,6 +128,24 @@ size_t uartReadDataMax(UartDevice dev, void *buffer, size_t maxSize)
return count;
}
size_t uartReadDataUntil(UartDevice dev, char *buffer, size_t maxSize, char delimiter)
{
volatile PL011UartRegisters *uart = uartGetRegisters(dev);
size_t count = 0;
for (size_t i = 0; i < maxSize; i++) {
while (uart->fr & PL011_UARTFR_RXFE);
buffer[i] = uart->dr;
++count;
if (buffer[i] == delimiter) {
break;
}
}
return count;
}
ReadWriteDirection uartGetInterruptDirection(UartDevice dev)
{
volatile PL011UartRegisters *uart = uartGetRegisters(dev);

2
thermosphere/src/platform/qemu/uart.h
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@@ -132,6 +132,8 @@ void uartInit(UartDevice dev, u32 baudRate, u32 flags);
void uartWriteData(UartDevice dev, const void *buffer, size_t size);
void uartReadData(UartDevice dev, void *buffer, size_t size);
size_t uartReadDataMax(UartDevice dev, void *buffer, size_t maxSize);
size_t uartReadDataUntil(UartDevice dev, char *buffer, size_t maxSize, char delimiter);
ReadWriteDirection uartGetInterruptDirection(UartDevice dev);
void uartSetInterruptStatus(UartDevice dev, ReadWriteDirection direction, bool enable);

18
thermosphere/src/platform/tegra/uart.c
View File

@@ -192,6 +192,24 @@ size_t uartReadDataMax(UartDevice dev, void *buffer, size_t maxSize)
return count;
}
size_t uartReadDataUntil(UartDevice dev, char *buffer, size_t maxSize, char delimiter)
{
volatile tegra_uart_t *uart = uartGetRegisters(dev);
size_t count = 0;
for (size_t i = 0; i < maxSize && (uart->lsr & UART_LSR_RDR); i++) {
while (!(uart->lsr & UART_LSR_RDR)) // Wait until it's possible to receive data.
buffer[i] = uart->rbr;
++count;
if (buffer[i] == delimiter) {
break;
}
}
return count;
}
ReadWriteDirection uartGetInterruptDirection(UartDevice dev)
{
volatile tegra_uart_t *uart = uartGetRegisters(dev);

2
thermosphere/src/platform/tegra/uart.h
View File

@@ -195,6 +195,8 @@ void uartInit(UartDevice dev, u32 baud, u32 flags);
void uartWriteData(UartDevice dev, const void *buffer, size_t size);
void uartReadData(UartDevice dev, void *buffer, size_t size);
size_t uartReadDataMax(UartDevice dev, void *buffer, size_t maxSize);
size_t uartReadDataUntil(UartDevice dev, char *buffer, size_t maxSize, char delimiter);
ReadWriteDirection uartGetInterruptDirection(UartDevice dev);
void uartSetInterruptStatus(UartDevice dev, ReadWriteDirection direction, bool enable);