flotulopex
- 16th October 2016, 11:33
Hi,
I'm trying to use HSEROUT instead of SEROUT/SEROUT2 with my 18F2420.
As the code below works with SEROUT2, I only get garbage characters while using HSEROUT.
I use a 4MHz crystal, defines come from Mister E's calculator, settings are for 2400bps, ...
What am I missing/doing wrong please?
' HSEROUT_18F2420.pbp
' ====== FUSES ================================================== ===================================
@ __CONFIG _CONFIG1H, _OSC_HS_1H & _FCMEN_OFF_1H & _IESO_OFF_1H ;_OSC_INTIO7_1H
@ __CONFIG _CONFIG2L, _PWRT_ON_2L & _BOREN_OFF_2L & _BORV_0_2L
@ __CONFIG _CONFIG2H, _WDT_OFF_2H & _WDTPS_1_2H
@ __CONFIG _CONFIG3H, _MCLRE_OFF_3H & _LPT1OSC_OFF_3H & _PBADEN_OFF_3H & _CCP2MX_PORTBE_3H
@ __CONFIG _CONFIG4L, _STVREN_OFF_4L & _LVP_OFF_4L & _XINST_OFF_4L & _DEBUG_OFF_4L
@ __CONFIG _CONFIG5L, _CP0_OFF_5L & _CP1_OFF_5L
@ __CONFIG _CONFIG5H, _CPB_OFF_5H & _CPD_OFF_5H
@ __CONFIG _CONFIG6L, _WRT0_OFF_6L & _WRT1_OFF_6L
@ __CONFIG _CONFIG6H, _WRTB_OFF_6H & _WRTC_OFF_6H & _WRTD_OFF_6H
@ __CONFIG _CONFIG7L, _EBTR0_OFF_7L & _EBTR1_OFF_7L
@ __CONFIG _CONFIG7H, _EBTRB_OFF_7H & _DEVID1 & _IDLOC0
' ====== DEFINES ================================================== =================================
DEFINE OSC 4
DEFINE HSER_RCSTA 90h ' Enable serial port & continuous receive
DEFINE HSER_TXSTA 24h ' Enable transmit, BRGH = 1
DEFINE HSER_CLROERR 1 ' Clear overflow automatically
DEFINE HSER_SPBRG 160 ' 2400 Baud @ 4MHz, -0.08%
SPBRGH = 1
BAUDCON.3 = 1 ' Enable 16 bit baudrate generator
' ====== PROGRAM ================================================== =================================
MAIN:
HSEROUT ["Hello",13,10]
'Serout2 PORTC.6,16780,["Hello",13,10] ' 2400bps DIN
PAUSE 1000
GOTO MAIN
' ====== CIRCUITRY ================================================== ===============================
'PORTA.0[02]
'PORTA.1[03]
'PORTA.2[04]
'PORTA.3[05]
'PORTA.4[06]
'PORTA.5[07]
'PORTA.6[10] OSC2 - Xtal
'PORTA.7[09] OSC1 - Xtal
'PORTB.0[21]
'PORTB.1[22]
'PORTB.2[23]
'PORTB.3[24]
'PORTB.4[25]
'PORTB.5[26]
'PORTB.6[27] ICSP
'PORTB.7[28] ICSP
'PORTC.0[11]
'PORTC.1[12]
'PORTC.2[13]
'PORTC.3[14]
'PORTC.4[15]
'PORTC.5[16]
'PORTC.6[17] TX
'PORTC.7[18] RX
'PORTE.3[01] MCLR
I'm trying to use HSEROUT instead of SEROUT/SEROUT2 with my 18F2420.
As the code below works with SEROUT2, I only get garbage characters while using HSEROUT.
I use a 4MHz crystal, defines come from Mister E's calculator, settings are for 2400bps, ...
What am I missing/doing wrong please?
' HSEROUT_18F2420.pbp
' ====== FUSES ================================================== ===================================
@ __CONFIG _CONFIG1H, _OSC_HS_1H & _FCMEN_OFF_1H & _IESO_OFF_1H ;_OSC_INTIO7_1H
@ __CONFIG _CONFIG2L, _PWRT_ON_2L & _BOREN_OFF_2L & _BORV_0_2L
@ __CONFIG _CONFIG2H, _WDT_OFF_2H & _WDTPS_1_2H
@ __CONFIG _CONFIG3H, _MCLRE_OFF_3H & _LPT1OSC_OFF_3H & _PBADEN_OFF_3H & _CCP2MX_PORTBE_3H
@ __CONFIG _CONFIG4L, _STVREN_OFF_4L & _LVP_OFF_4L & _XINST_OFF_4L & _DEBUG_OFF_4L
@ __CONFIG _CONFIG5L, _CP0_OFF_5L & _CP1_OFF_5L
@ __CONFIG _CONFIG5H, _CPB_OFF_5H & _CPD_OFF_5H
@ __CONFIG _CONFIG6L, _WRT0_OFF_6L & _WRT1_OFF_6L
@ __CONFIG _CONFIG6H, _WRTB_OFF_6H & _WRTC_OFF_6H & _WRTD_OFF_6H
@ __CONFIG _CONFIG7L, _EBTR0_OFF_7L & _EBTR1_OFF_7L
@ __CONFIG _CONFIG7H, _EBTRB_OFF_7H & _DEVID1 & _IDLOC0
' ====== DEFINES ================================================== =================================
DEFINE OSC 4
DEFINE HSER_RCSTA 90h ' Enable serial port & continuous receive
DEFINE HSER_TXSTA 24h ' Enable transmit, BRGH = 1
DEFINE HSER_CLROERR 1 ' Clear overflow automatically
DEFINE HSER_SPBRG 160 ' 2400 Baud @ 4MHz, -0.08%
SPBRGH = 1
BAUDCON.3 = 1 ' Enable 16 bit baudrate generator
' ====== PROGRAM ================================================== =================================
MAIN:
HSEROUT ["Hello",13,10]
'Serout2 PORTC.6,16780,["Hello",13,10] ' 2400bps DIN
PAUSE 1000
GOTO MAIN
' ====== CIRCUITRY ================================================== ===============================
'PORTA.0[02]
'PORTA.1[03]
'PORTA.2[04]
'PORTA.3[05]
'PORTA.4[06]
'PORTA.5[07]
'PORTA.6[10] OSC2 - Xtal
'PORTA.7[09] OSC1 - Xtal
'PORTB.0[21]
'PORTB.1[22]
'PORTB.2[23]
'PORTB.3[24]
'PORTB.4[25]
'PORTB.5[26]
'PORTB.6[27] ICSP
'PORTB.7[28] ICSP
'PORTC.0[11]
'PORTC.1[12]
'PORTC.2[13]
'PORTC.3[14]
'PORTC.4[15]
'PORTC.5[16]
'PORTC.6[17] TX
'PORTC.7[18] RX
'PORTE.3[01] MCLR