moved stm32 into directory added noddy pcb

1 files changed, 0 insertions, 119 deletions

diff --git a/app/usart.c b/app/usart.c
deleted file mode 100644
index 8d98287..0000000
--- a/app/usart.c
+++ /dev/null
@@ -1,119 +0,0 @@
-#include "project.h"
-
-#define BUFFER_SIZE 256
-
-
-#define USART1_TX GPIO_USART1_TX
-#define USART1_TX_PORT GPIOA
-#define USART1_RX GPIO_USART1_RX
-#define USART1_RX_PORT GPIOA
-
-
-ring_t rx1_ring;
-static uint8_t rx1_ring_buf[BUFFER_SIZE];
-
-ring_t tx1_ring;
-static uint8_t tx1_ring_buf[BUFFER_SIZE];
-
-void
-usart1_isr (void)
-{
-  uint8_t data;
-
-  /* Check if we were called because of RXNE. */
-  if (((USART_CR1 (USART1) & USART_CR1_RXNEIE) != 0) &&
-      ((USART_SR (USART1) & USART_SR_RXNE) != 0)) {
-
-    /* Retrieve the data from the peripheral. */
-    data = usart_recv (USART1);
-
-
-    ring_write_byte (&rx1_ring, data);
-  }
-
-  /* Check if we were called because of TXE. */
-  if (((USART_CR1 (USART1) & USART_CR1_TXEIE) != 0) &&
-      ((USART_SR (USART1) & USART_SR_TXE) != 0)) {
-
-    if (ring_read_byte (&tx1_ring, &data)) {
-      /*No more data, Disable the TXE interrupt, it's no longer needed. */
-      USART_CR1 (USART1) &= ~USART_CR1_TXEIE;
-    } else
-      usart_send (USART1, data);
-  }
-
-}
-
-
-int
-_write (int file, char *ptr, int len)
-{
-  int ret;
-
-  if (file == 1) {
-    ret = len;
-
-    usart1_drain();
-
-    while (len--) {
-      if (*ptr == '\n')
-        ring_write_byte (&tx1_ring, '\r');
-
-      ring_write_byte (&tx1_ring, * (ptr++));
-    }
-
-    USART_CR1 (USART1) |= USART_CR1_TXEIE;
-    return ret;
-  }
-
-  errno = EIO;
-  return -1;
-}
-
-void
-usart1_queue (uint8_t d)
-{
-  ring_write_byte (&tx1_ring, d);
-  USART_CR1 (USART1) |= USART_CR1_TXEIE;
-}
-
-
-void
-usart1_drain (void)
-{
-  while (!ring_empty (&tx1_ring));
-}
-
-
-
-void
-usart_init (void)
-{
-  rcc_periph_clock_enable (RCC_USART1);
-
-  ring_init (&rx1_ring, rx1_ring_buf, sizeof (rx1_ring_buf));
-  ring_init (&tx1_ring, tx1_ring_buf, sizeof (tx1_ring_buf));
-
-  /* Enable the USART1,2 interrupt. */
-  nvic_enable_irq (NVIC_USART1_IRQ);
-
-  /* Map pins, and usart1 to have pull ups */
-  MAP_AF_PP (USART1_TX);
-  MAP_INPUT_PU (USART1_RX);
-
-
-  /* Setup UART1 parameters. */
-  usart_set_baudrate (USART1, 115200);
-  usart_set_databits (USART1, 8);
-  usart_set_stopbits (USART1, USART_STOPBITS_1);
-  usart_set_parity (USART1, USART_PARITY_NONE);
-  usart_set_flow_control (USART1, USART_FLOWCONTROL_NONE);
-  usart_set_mode (USART1, USART_MODE_TX_RX);
-
-
-  /* Enable USART1 Receive interrupt. */
-  USART_CR1 (USART1) |= USART_CR1_RXNEIE;
-
-  /* Finally enable the USARTs. */
-  usart_enable (USART1);
-}