diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/gen68340/console/m340uart.c')
| -rw-r--r-- | c/src/lib/libbsp/m68k/gen68340/console/m340uart.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/c/src/lib/libbsp/m68k/gen68340/console/m340uart.c b/c/src/lib/libbsp/m68k/gen68340/console/m340uart.c index 94160b011c..75b3d97e77 100644 --- a/c/src/lib/libbsp/m68k/gen68340/console/m340uart.c +++ b/c/src/lib/libbsp/m68k/gen68340/console/m340uart.c @@ -7,8 +7,8 @@ * 4, rue du Clos Courtel * 35512 CESSON-SEVIGNE * FRANCE - * - * e-mail: g_montel@yahoo.com + * + * e-mail: g_montel@yahoo.com * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). @@ -69,9 +69,9 @@ uart_channel_config m340_uart_config[UART_NUMBER_OF_CHANNELS]; Output parameters: - Description: Init the m340_uart_config THIS SHOULD NOT BE HERE! - Its aim was to let the user configure + Its aim was to let the user configure UARTs for each application. - As we can't pass args to the console + 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 @@ -109,18 +109,18 @@ void Init_UART_Table(void) /****************************************************** Name: Find_Right_m340_UART_Channel_Config - Input parameters: Send/Receive baud rates for a + 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 + Description: returns which uart configurations fit + Receiver Baud Rate and Transmitter Baud Rate for a given channel - For instance, according to the + 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 + 50 bauds implies set 1 and 75 bauds implies set 2 - Output Speed = 9600, Input Speed = 9600 two correct configs for this: @@ -142,7 +142,7 @@ Find_Right_m340_UART_Channel_Config(float ReceiverBaudRate, float TransmitterBau int i,j; /* 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++) @@ -151,7 +151,7 @@ Find_Right_m340_UART_Channel_Config(float ReceiverBaudRate, float TransmitterBau 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++) @@ -161,15 +161,15 @@ Find_Right_m340_UART_Channel_Config(float ReceiverBaudRate, float TransmitterBau Transmitter_nb_of_config++; } - /* now check if there's a compatible 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.baud_speed_table[return_value.nb].tcs = Transmitter[j].cs; return_value.nb++; } @@ -178,17 +178,17 @@ Find_Right_m340_UART_Channel_Config(float ReceiverBaudRate, float TransmitterBau /****************************************************** Name: Find_Right_m340_UART_Config - Input parameters: Send/Receive baud rates for both + Input parameters: Send/Receive baud rates for both channels - Output parameters: UART compatible configs for + Output parameters: UART compatible configs for BOTH channels - Description: returns which uart configurations fit - Receiver Baud Rate and Transmitter Baud + 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 + 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 @@ -245,7 +245,7 @@ Find_Right_m340_UART_Config(float ChannelA_ReceiverBaudRate, float ChannelA_Tran we need to know real speed in order to use the functions above *****************************************************/ -float termios_baud_rates_equivalence ( int speed ) +float termios_baud_rates_equivalence ( int speed ) { switch (speed) { default: return 0; break; @@ -304,7 +304,7 @@ int dbugRead (int minor) int dbugWrite (int minor, const char *buf, int len) { static char txBuf; - + while (len--) { txBuf = *buf++; dbug_out_char( minor, (int)txBuf ); @@ -318,7 +318,7 @@ static void fmt_str( int minor, const char* ); /****************************************************** Name: RAW_GETC Input parameters: channel, buffer and its length - Output parameters: + Output parameters: Description: a light blocking "getc" *****************************************************/ char RAW_GETC(int minor) |