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-rw-r--r--c/src/lib/libbsp/m68k/gen68340/console/m340uart.c311
1 files changed, 0 insertions, 311 deletions
diff --git a/c/src/lib/libbsp/m68k/gen68340/console/m340uart.c b/c/src/lib/libbsp/m68k/gen68340/console/m340uart.c
deleted file mode 100644
index 56ad29c256..0000000000
--- a/c/src/lib/libbsp/m68k/gen68340/console/m340uart.c
+++ /dev/null
@@ -1,311 +0,0 @@
-/*
- * M68340/349 UART management tools
- */
-
-/*
- * Author:
- * Geoffroy Montel
- * France Telecom - CNET/DSM/TAM/CAT
- * 4, rue du Clos Courtel
- * 35512 CESSON-SEVIGNE
- * FRANCE
- *
- * e-mail: g_montel@yahoo.com
- *
- * COPYRIGHT (c) 1989-1999.
- * On-Line Applications Research Corporation (OAR).
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#include <termios.h>
-#include <bsp.h>
-#include <rtems/libio.h>
-#include <m68340.h>
-#include <m340uart.h>
-#include <stdarg.h>
-#include <string.h>
-
-/* this table shows compatible speed configurations for the MC68340:
- the first row shows baud rates for baud speed set 1
- the second row shows baud rates for baud speed set 2
- look at Motorola's MC68340 Integrated Processor User's Manual
- page 7-30 for more infos */
-
-float m340_Baud_Rates_Table[16][2] = {
- { 50, 75 },
- { 110, 110 },
- { 134.5, 134.5 },
- { 200, 150 },
- { 300, 300 },
- { 600, 600 },
- { 1200, 1200 },
- { 1050, 2000 },
- { 2400, 2400 },
- { 4800, 4800 },
- { 7200, 1800 },
- { 9600, 9600 },
- { 38400, 19200 },
- { 76800, 38400 },
- { SCLK/16, SCLK/16},
- { SCLK, SCLK },
-};
-
-/* config on both 340 channels */
-uart_channel_config m340_uart_config[UART_NUMBER_OF_CHANNELS];
-
-/*
- * Init UART table
- */
-
-#define NOT_IMPLEMENTED_YET 0
-
-/******************************************************
- Name: Init_UART_Table
- Input parameters: -
- Output parameters: -
- Description: Init the m340_uart_config
- THIS SHOULD NOT BE HERE!
- Its aim was to let the user configure
- UARTs for each application.
- As we can't pass args to the console
- driver initialisation routine at the
- moment, this was not done.
- ATTENTION: TERMIOS init presupposes that the channel
- baud rates is 9600/9600.
- -> risks when using IOCTL
- *****************************************************/
-void Init_UART_Table(void)
-{
- m340_uart_config[UART_CHANNEL_A].enable = TRUE;
- strcpy(m340_uart_config[UART_CHANNEL_A].name, UART_CONSOLE_NAME);
- m340_uart_config[UART_CHANNEL_A].parity_mode = m340_No_Parity;
- m340_uart_config[UART_CHANNEL_A].bits_per_char = m340_8bpc;
- m340_uart_config[UART_CHANNEL_A].rx_baudrate = 9600;
- m340_uart_config[UART_CHANNEL_A].tx_baudrate = 9600;
- m340_uart_config[UART_CHANNEL_A].rx_mode = UART_CRR;
- m340_uart_config[UART_CHANNEL_A].mode = UART_POLLING;
-
- m340_uart_config[UART_CHANNEL_A].termios.enable = TRUE;
- m340_uart_config[UART_CHANNEL_A].termios.rx_buffer_size = NOT_IMPLEMENTED_YET;
- m340_uart_config[UART_CHANNEL_A].termios.tx_buffer_size = NOT_IMPLEMENTED_YET;
-
- m340_uart_config[UART_CHANNEL_B].enable = FALSE;
- strcpy(m340_uart_config[UART_CHANNEL_B].name, UART_RAW_IO_NAME);
- m340_uart_config[UART_CHANNEL_B].parity_mode = m340_No_Parity;
- m340_uart_config[UART_CHANNEL_B].bits_per_char = m340_8bpc;
- m340_uart_config[UART_CHANNEL_B].rx_baudrate = 38400;
- m340_uart_config[UART_CHANNEL_B].tx_baudrate = 38400;
- m340_uart_config[UART_CHANNEL_B].rx_mode = UART_CRR;
- m340_uart_config[UART_CHANNEL_B].mode = UART_INTERRUPTS;
-
- m340_uart_config[UART_CHANNEL_B].termios.enable = TRUE;
- m340_uart_config[UART_CHANNEL_B].termios.rx_buffer_size = NOT_IMPLEMENTED_YET;
- m340_uart_config[UART_CHANNEL_B].termios.tx_buffer_size = NOT_IMPLEMENTED_YET;
-}
-
-/******************************************************
- Name: Find_Right_m340_UART_Channel_Config
- Input parameters: Send/Receive baud rates for a
- given channel
- Output parameters: UART compatible configs for this
- channel
- Description: returns which uart configurations fit
- Receiver Baud Rate and Transmitter Baud
- Rate for a given channel
- For instance, according to the
- m340_Baud_Rates_Table:
- - Output Speed = 50, Input Speed = 75
- is not a correct config, because
- 50 bauds implies set 1 and 75 bauds
- implies set 2
- - Output Speed = 9600, Input Speed = 9600
- two correct configs for this:
- RCS=11, TCS=11, Set=1 or 2
- *****************************************************/
-static t_baud_speed_table
-Find_Right_m340_UART_Channel_Config(
- float ReceiverBaudRate,
- float TransmitterBaudRate
-)
-{
- t_baud_speed_table return_value;
- int i,j;
-
- struct {
- int cs;
- int set;
- } Receiver[2], Transmitter[2];
-
- int Receiver_nb_of_config = 0;
- int Transmitter_nb_of_config = 0;
-
- /* Receiver and Transmitter baud rates must be compatible, ie in the
- * same set.
- */
-
- /* search for configurations for ReceiverBaudRate
- * there can't be more than two (only two sets).
- */
- for (i=0;i<16;i++) {
- for (j=0;j<2;j++) {
- if (m340_Baud_Rates_Table[i][j]==ReceiverBaudRate) {
- Receiver[Receiver_nb_of_config].cs=i;
- Receiver[Receiver_nb_of_config].set=j;
- Receiver_nb_of_config++;
- }
- }
- }
-
- /* search for configurations for TransmitterBaudRate
- * there can't be more than two (only two sets)
- */
- for (i=0;i<16;i++) {
- for (j=0;j<2;j++) {
- if (m340_Baud_Rates_Table[i][j]==TransmitterBaudRate) {
- Transmitter[Transmitter_nb_of_config].cs=i;
- Transmitter[Transmitter_nb_of_config].set=j;
- Transmitter_nb_of_config++;
- }
- }
- }
-
- /* now check if there's a compatible config */
- return_value.nb=0;
-
- for (i=0; i<Receiver_nb_of_config; i++) {
- for (j=0;j<Transmitter_nb_of_config;j++) {
- if (Receiver[i].set == Transmitter[j].set) {
- return_value.baud_speed_table[return_value.nb].set = Receiver[i].set + 1;
- /* we want set 1 or set 2, not 0 or 1 */
- return_value.baud_speed_table[return_value.nb].rcs = Receiver[i].cs;
- return_value.baud_speed_table[return_value.nb].tcs = Transmitter[j].cs;
- return_value.nb++;
- }
- }
- }
-
- return return_value;
-}
-
-/******************************************************
- Name: Find_Right_m340_UART_Config
- Input parameters: Send/Receive baud rates for both
- channels
- Output parameters: UART compatible configs for
- BOTH channels
- Description: returns which uart configurations fit
- Receiver Baud Rate and Transmitter Baud
- Rate for both channels
- For instance, if we want 9600/38400 on
- channel A and 9600/19200 on channel B,
- this is not a good m340 uart config
- (channel A needs set 1 and channel B
- needs set 2)
- *****************************************************/
-t_baud_speed_table
-Find_Right_m340_UART_Config(
- float ChannelA_ReceiverBaudRate,
- float ChannelA_TransmitterBaudRate,
- uint8_t enableA,
- float ChannelB_ReceiverBaudRate,
- float ChannelB_TransmitterBaudRate,
- uint8_t enableB
-)
-{
- t_baud_speed_table tableA, tableB;
- t_baud_speed_table return_value, tmp;
- int i,j;
-
- memset( &return_value, '\0', sizeof(return_value) );
- return_value.nb=0;
-
- if (enableA && enableB) {
- tableA = Find_Right_m340_UART_Channel_Config(
- ChannelA_ReceiverBaudRate, ChannelA_TransmitterBaudRate);
- tableB = Find_Right_m340_UART_Channel_Config(
- ChannelB_ReceiverBaudRate, ChannelB_TransmitterBaudRate);
-
- for (i=0;i<tableA.nb;i++) {
- for (j=0;j<tableB.nb;j++) {
- if (tableA.baud_speed_table[i].set==tableB.baud_speed_table[j].set) {
- return_value.baud_speed_table[UART_CHANNEL_A].set =
- tableA.baud_speed_table[i].set;
- return_value.baud_speed_table[UART_CHANNEL_A].rcs =
- tableA.baud_speed_table[i].rcs;
- return_value.baud_speed_table[UART_CHANNEL_A].tcs =
- tableA.baud_speed_table[i].tcs;
- return_value.baud_speed_table[UART_CHANNEL_B].set =
- tableB.baud_speed_table[j].set;
- return_value.baud_speed_table[UART_CHANNEL_B].rcs =
- tableB.baud_speed_table[j].rcs;
- return_value.baud_speed_table[UART_CHANNEL_B].tcs =
- tableB.baud_speed_table[j].tcs;
- return_value.nb=2;
- break;
- }
- }
- }
- return return_value;
- }
-
- if (enableA) {
- return_value = Find_Right_m340_UART_Channel_Config(
- ChannelA_ReceiverBaudRate, ChannelA_TransmitterBaudRate);
- return return_value;
- }
-
- if (enableB) {
- tmp = Find_Right_m340_UART_Channel_Config(
- ChannelB_ReceiverBaudRate, ChannelB_TransmitterBaudRate);
- if (tmp.nb!=0) {
- return_value.nb = 2;
- return_value.baud_speed_table[1].set = tmp.baud_speed_table[0].set;
- return_value.baud_speed_table[1].rcs = tmp.baud_speed_table[0].rcs;
- return_value.baud_speed_table[1].tcs = tmp.baud_speed_table[0].tcs;
- }
- }
- return return_value;
-}
-
-
-/*
- * very low level fmted output
- */
-extern void dbug_out_char( int minor, int ch );
-extern int dbug_in_char( int minor );
-extern int dbug_char_present( int minor );
-
-/******************************************************
- Name: dbugRead
- Input parameters: channel
- Output parameters: char read
- Description: polled read
- *****************************************************/
-int dbugRead (int minor)
-{
- if (dbug_char_present(minor) == 0)
- return -1;
- return dbug_in_char(minor);
-}
-
-/******************************************************
- Name: dbugWrite
- Input parameters: channel, buffer and its length
- Output parameters: always successfull
- Description: polled write
- *****************************************************/
-ssize_t dbugWrite (int minor, const char *buf, size_t len)
-{
- static char txBuf;
- size_t retval = len;
-
- while (len--) {
- txBuf = *buf++;
- dbug_out_char( minor, (int)txBuf );
- }
- return retval;
-}
-
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