github.com/rdolbeau.SBusFPGA
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more grrrr syntax

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This commit is contained in:
Romain Dolbeau
2021-06-13 14:19:55 -04:00
parent 914e44a463
commit 94a2a7eb7a
1 changed files with 13 additions and 12 deletions
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25
sbus-to-ztex-gateware-migen/sbus_to_fpga_slave.py
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@@ -289,11 +289,11 @@ class SBusFPGASlave(Module):
).Elif((SBUS_3V3_PA_i[ADDR_PFX_LOW:ADDR_PFX_LOW+ADDR_PFX_LENGTH] == WISHBONE_CSR_ADDR_PFX),
NextValue(SBUS_3V3_ACKs_o, ACK_WORD),
NextValue(SBUS_3V3_ERRs_o, 1),
NextValue(self.led_display.value, Cat(SBUS_3V3_PA_i, C(1)[0:2], SBUS_3V3_PA_i[1:2], SBUS_3V3_PPRD_i)),
#NextValue(self.led_display.value, Cat(SBUS_3V3_PA_i, C(1)[0:2], SBUS_3V3_PA_i[1:2], SBUS_3V3_PPRD_i)),
NextValue(p_data, Cat(SBUS_3V3_PA_i, C(1)[0:2], SBUS_3V3_PA_i[1:2], SBUS_3V3_PPRD_i)), # FIXME
NextState("Slave_Ack_Read_Reg_Burst")
).Else(
NextValue(self.led_display.value, Cat(SBUS_3V3_PA_i, C(1)[0:2], SBUS_3V3_PA_i[1:2], SBUS_3V3_PPRD_i)),
#NextValue(self.led_display.value, Cat(SBUS_3V3_PA_i, C(1)[0:2], SBUS_3V3_PA_i[1:2], SBUS_3V3_PPRD_i)),
NextValue(SBUS_3V3_ACKs_o, ACK_ERR),
NextValue(SBUS_3V3_ERRs_o, 1),
NextState("Slave_Error")
@@ -302,8 +302,8 @@ class SBusFPGASlave(Module):
(SBUS_3V3_ASs_i == 0) &
(SIZ_BYTE == SBUS_3V3_SIZ_i) &
(SBUS_3V3_PPRD_i == 1)),
NextValue(SBUS_DATA_OE_LED_o, 1),
NextValue(SBUS_DATA_OE_LED_2_o, 0),
NextValue(SBUS_DATA_OE_LED_o, 0),
NextValue(SBUS_DATA_OE_LED_2_o, 1),
NextValue(sbus_oe_master_in, 1),
NextValue(sbus_last_pa, SBUS_3V3_PA_i),
If((SBUS_3V3_PA_i[ADDR_PFX_LOW:ADDR_PFX_LOW+ADDR_PFX_LENGTH] == ROM_ADDR_PFX),
@@ -312,7 +312,7 @@ class SBusFPGASlave(Module):
NextValue(p_data, prom[SBUS_3V3_PA_i[ADDR_PHYS_LOW+2:ADDR_PFX_LOW]]),
NextState("Slave_Ack_Read_Prom_Byte")
).Else(
NextValue(self.led_display.value, Cat(SBUS_3V3_PA_i, C(2)[0:2], SBUS_3V3_PA_i[1:2], SBUS_3V3_PPRD_i)),
#NextValue(self.led_display.value, Cat(SBUS_3V3_PA_i, C(2)[0:2], SBUS_3V3_PA_i[1:2], SBUS_3V3_PPRD_i)),
NextValue(SBUS_3V3_ACKs_o, ACK_ERR),
NextValue(SBUS_3V3_ERRs_o, 1),
NextState("Slave_Error")
@@ -322,8 +322,8 @@ class SBusFPGASlave(Module):
(siz_is_word(SBUS_3V3_SIZ_i)) &
(SBUS_3V3_PPRD_i == 0) &
(SBUS_3V3_PA_i[0:2] == 0)),
NextValue(SBUS_DATA_OE_LED_o, 0),
NextValue(SBUS_DATA_OE_LED_2_o, 1),
#NextValue(SBUS_DATA_OE_LED_o, 0),
#NextValue(SBUS_DATA_OE_LED_2_o, 1),
NextValue(sbus_oe_master_in, 1),
NextValue(sbus_last_pa, SBUS_3V3_PA_i),
NextValue(burst_counter, 0),
@@ -338,7 +338,7 @@ class SBusFPGASlave(Module):
NextValue(SBUS_3V3_ERRs_o, 1),
NextState("Slave_Ack_Reg_Write_Burst")
).Else(
NextValue(self.led_display.value, Cat(SBUS_3V3_PA_i, C(3)[0:2], SBUS_3V3_PA_i[1:2], SBUS_3V3_PPRD_i)),
#NextValue(self.led_display.value, Cat(SBUS_3V3_PA_i, C(3)[0:2], SBUS_3V3_PA_i[1:2], SBUS_3V3_PPRD_i)),
NextValue(SBUS_3V3_ACKs_o, ACK_ERR),
NextValue(SBUS_3V3_ERRs_o, 1),
NextState("Slave_Error")
@@ -363,14 +363,15 @@ class SBusFPGASlave(Module):
slave_fsm.act("Slave_Ack_Read_Prom_Byte",
#NextValue(leds, 0x0c),
NextValue(sbus_oe_data, 1),
NextValue(self.led_display.value, sbus_last_pa[0:2]),
If((sbus_last_pa[0:2] == 0x0),
NextValue(SBUS_3V3_D_o, Cat(C(0)[0:24], p_data[24:32]))
NextValue(SBUS_3V3_D_o, Cat(Signal(24), p_data[24:32]))
).Elif((sbus_last_pa[0:2] == 0x1),
NextValue(SBUS_3V3_D_o, Cat(C(0)[0:24], p_data[16:24]))
NextValue(SBUS_3V3_D_o, Cat(Signal(24), p_data[16:24]))
).Elif((sbus_last_pa[0:2] == 0x2),
NextValue(SBUS_3V3_D_o, Cat(C(0)[0:24], p_data[8:16]))
NextValue(SBUS_3V3_D_o, Cat(Signal(24), p_data[ 8:16]))
).Elif((sbus_last_pa[0:2] == 0x3),
NextValue(SBUS_3V3_D_o, Cat(C(0)[0:24], p_data[0:8]))
NextValue(SBUS_3V3_D_o, Cat(Signal(24), p_data[ 0: 8]))
),
NextState("Slave_Do_Read")
)