diff options
Diffstat (limited to 'projects')
| -rw-r--r-- | projects/hsm/hsm.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/projects/hsm/hsm.c b/projects/hsm/hsm.c index 862e718..f2f1b12 100644 --- a/projects/hsm/hsm.c +++ b/projects/hsm/hsm.c @@ -103,7 +103,7 @@ osMutexId uart_mutex; osMutexDef(uart_mutex); #endif -static volatile uint8_t uart_rx; /* current character received from UART */ +static uint8_t uart_rx[2]; /* current character received from UART */ /* Callback for HAL_UART_Receive_DMA(). * With multiple worker threads, we can't do a blocking receive, because @@ -113,7 +113,7 @@ static volatile uint8_t uart_rx; /* current character received from UART */ * Even with only one worker thread, context-switching to the CLI thread * causes HAL_UART_Receive to miss input. */ -void HAL_UART2_RxCpltCallback(UART_HandleTypeDef *huart) +static void RxCallback(uint8_t c) { /* current RPC input buffer */ static rpc_buffer_t *ibuf = NULL; @@ -125,7 +125,7 @@ void HAL_UART2_RxCpltCallback(UART_HandleTypeDef *huart) ibuf->len = 0; } - if (hal_slip_recv_char(ibuf->buf, &ibuf->len, sizeof(ibuf->buf), &complete) != LIBHAL_OK) + if (hal_slip_process_char(c, ibuf->buf, &ibuf->len, sizeof(ibuf->buf), &complete) != LIBHAL_OK) Error_Handler(); if (complete) { @@ -135,17 +135,20 @@ void HAL_UART2_RxCpltCallback(UART_HandleTypeDef *huart) } } -void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart) +void HAL_UART2_RxHalfCpltCallback(UART_HandleTypeDef *huart) { - /* I dunno, just trap it for now */ - Error_Handler(); + RxCallback(uart_rx[0]); } -hal_error_t hal_serial_recv_char(uint8_t *cp) +void HAL_UART2_RxCpltCallback(UART_HandleTypeDef *huart) { - /* return the character from HAL_UART_Receive_DMA */ - *cp = uart_rx; - return LIBHAL_OK; + RxCallback(uart_rx[1]); +} + +void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart) +{ + /* I dunno, just trap it for now */ + Error_Handler(); } hal_error_t hal_serial_send_char(uint8_t c) @@ -269,7 +272,7 @@ int main() } /* Start the UART receiver. */ - if (HAL_UART_Receive_DMA(&huart_user, (uint8_t *)&uart_rx, 1) != CMSIS_HAL_OK) + if (HAL_UART_Receive_DMA(&huart_user, uart_rx, 2) != CMSIS_HAL_OK) Error_Handler(); /* Launch other threads (csprng warm-up thread?) |