From 45ffefd8a79598900ea288c726a29aa145d46bb2 Mon Sep 17 00:00:00 2001 From: Uros Majstorovic Date: Tue, 27 Mar 2018 04:37:16 +0200 Subject: fixed wm param for spi; added cond compile for spi handlers in asm; refactored i2s --- code/fe310/eos/Makefile | 2 +- code/fe310/eos/eos.c | 2 +- code/fe310/eos/i2s.c | 74 +++++++++++++++++++++++++++++---------------- code/fe310/eos/i2s.h | 8 +++-- code/fe310/eos/net.c | 10 ++++-- code/fe310/eos/spi_def.h | 3 +- code/fe310/eos/trap_entry.S | 39 ++++++++++++++++-------- 7 files changed, 92 insertions(+), 46 deletions(-) (limited to 'code/fe310') diff --git a/code/fe310/eos/Makefile b/code/fe310/eos/Makefile index a3fb640..f097327 100644 --- a/code/fe310/eos/Makefile +++ b/code/fe310/eos/Makefile @@ -5,7 +5,7 @@ FE310_HOME = /opt/my/freedom-e-sdk CC = $(FE310_HOME)/work/build/riscv-gnu-toolchain/riscv64-unknown-elf/prefix/bin/riscv64-unknown-elf-gcc AR = $(FE310_HOME)/work/build/riscv-gnu-toolchain/riscv64-unknown-elf/prefix/bin/riscv64-unknown-elf-ar -CFLAGS = $(CFLAGS_PL) -I../.. +CFLAGS = $(CFLAGS_PL) -I../.. # -DEOS_WITH_SPI_ASM obj = trap_entry.o eos.o msgq.o event.o interrupt.o timer.o i2s.o net.o ecp.o diff --git a/code/fe310/eos/eos.c b/code/fe310/eos/eos.c index 3ad3b68..ad80a47 100644 --- a/code/fe310/eos/eos.c +++ b/code/fe310/eos/eos.c @@ -13,5 +13,5 @@ void eos_init(void) { } void eos_start(void) { - eos_net_start(15); + eos_net_start(511); } \ No newline at end of file diff --git a/code/fe310/eos/i2s.c b/code/fe310/eos/i2s.c index 543102f..5d68f70 100644 --- a/code/fe310/eos/i2s.c +++ b/code/fe310/eos/i2s.c @@ -18,12 +18,11 @@ EOSABuf _eos_i2s_mic_buf; EOSABuf _eos_i2s_spk_buf; uint32_t _eos_i2s_ck_period = 0; -uint32_t _eos_i2s_mic_wm = 0; -uint32_t _eos_i2s_spk_wm = 0; uint32_t _eos_i2s_mic_volume = 2; uint32_t _eos_i2s_spk_volume = 3; static eos_evt_fptr_t evt_handler[I2S_MAX_HANDLER]; uint32_t _eos_i2s_evt_enable[I2S_MAX_HANDLER]; +uint32_t _eos_i2s_wm[I2S_MAX_HANDLER]; static void _abuf_init(EOSABuf *buf, uint8_t *array, uint16_t size) { buf->idx_r = 0; @@ -123,6 +122,11 @@ void eos_i2s_init(uint32_t sample_rate) { I2S_PWM_REG_WS(PWM_CMP1) = (_eos_i2s_ck_period + 1) * 32; I2S_PWM_REG_WS(PWM_CMP2) = (_eos_i2s_ck_period + 1) * 64 - 512; + _eos_i2s_evt_enable[I2S_EVT_MIC] = 0; + _eos_i2s_evt_enable[I2S_EVT_SPK] = 0; + evt_handler[I2S_EVT_MIC] = NULL; + evt_handler[I2S_EVT_SPK] = NULL; + eos_intr_set(I2S_IRQ_SD_ID, 0, NULL); eos_intr_set(I2S_IRQ_CK_ID, 0, NULL); eos_intr_set(I2S_IRQ_WS_ID, 0, NULL); @@ -133,29 +137,10 @@ void eos_i2s_init(uint32_t sample_rate) { eos_evtq_set_handler(EOS_EVT_AUDIO, audio_handler, EOS_EVT_FLAG_WRAP); } -void eos_i2s_init_mic(uint8_t *mic_arr, uint16_t mic_arr_size, eos_evt_fptr_t mic_wm_handler, uint16_t mic_wm) { - _abuf_init(&_eos_i2s_mic_buf, mic_arr, mic_arr_size); - _eos_i2s_mic_wm = mic_wm; - evt_handler[I2S_EVT_MIC] = mic_wm_handler; - if (mic_wm) { - _eos_i2s_evt_enable[I2S_EVT_MIC] = 1; - } else { - _eos_i2s_evt_enable[I2S_EVT_MIC] = 0; - } -} - -void eos_i2s_init_spk(uint8_t *spk_arr, uint16_t spk_arr_size, eos_evt_fptr_t spk_wm_handler, uint16_t spk_wm) { - _abuf_init(&_eos_i2s_spk_buf, spk_arr, spk_arr_size); - _eos_i2s_spk_wm = spk_wm; - evt_handler[I2S_EVT_SPK] = spk_wm_handler; - if (spk_wm) { - _eos_i2s_evt_enable[I2S_EVT_SPK] = 1; - } else { - _eos_i2s_evt_enable[I2S_EVT_SPK] = 0; - } -} - void eos_i2s_start(void) { + _eos_i2s_evt_enable[I2S_EVT_MIC] = 1; + _eos_i2s_evt_enable[I2S_EVT_SPK] = 1; + eos_intr_set_priority(I2S_IRQ_SD_ID, I2S_IRQ_SD_PRIORITY); eos_intr_set_priority(I2S_IRQ_CK_ID, I2S_IRQ_CK_PRIORITY); eos_intr_set_priority(I2S_IRQ_WS_ID, I2S_IRQ_WS_PRIORITY); @@ -185,8 +170,8 @@ void eos_i2s_stop(void) { eos_intr_set_priority(I2S_IRQ_WS_ID, 0); eos_intr_set_priority(I2S_IRQ_CI_ID, 0); eos_intr_mask(0); - eos_i2s_init_mic(NULL, 0, NULL, 0); - eos_i2s_init_spk(NULL, 0, NULL, 0); + eos_i2s_mic_init(NULL, 0); + eos_i2s_spk_init(NULL, 0); GPIO_REG(GPIO_IOF_EN) &= ~(1 << I2S_PIN_CK); GPIO_REG(GPIO_IOF_SEL) &= ~(1 << I2S_PIN_CK); @@ -197,6 +182,25 @@ void eos_i2s_stop(void) { GPIO_REG(GPIO_OUTPUT_VAL) &= ~((1 << I2S_PIN_CK) | (1 << I2S_PIN_WS)); } +void eos_i2s_mic_init(uint8_t *mic_arr, uint16_t mic_arr_size) { + clear_csr(mstatus, MSTATUS_MIE); + _abuf_init(&_eos_i2s_mic_buf, mic_arr, mic_arr_size); + set_csr(mstatus, MSTATUS_MIE); +} + +void eos_i2s_mic_set_handler(eos_evt_fptr_t wm_handler) { + clear_csr(mstatus, MSTATUS_MIE); + evt_handler[I2S_EVT_MIC] = wm_handler; + set_csr(mstatus, MSTATUS_MIE); +} + +void eos_i2s_mic_set_wm(uint16_t wm) { + clear_csr(mstatus, MSTATUS_MIE); + _eos_i2s_wm[I2S_EVT_MIC] = wm; + set_csr(mstatus, MSTATUS_MIE); + +} + uint16_t eos_i2s_mic_len(void) { clear_csr(mstatus, MSTATUS_MIE); uint16_t ret = _abuf_len(&_eos_i2s_mic_buf); @@ -228,6 +232,24 @@ int eos_i2s_mic_pop(uint8_t *sample) { return ret; } +void eos_i2s_spk_init(uint8_t *spk_arr, uint16_t spk_arr_size) { + clear_csr(mstatus, MSTATUS_MIE); + _abuf_init(&_eos_i2s_spk_buf, spk_arr, spk_arr_size); + set_csr(mstatus, MSTATUS_MIE); +} + +void eos_i2s_spk_set_handler(eos_evt_fptr_t wm_handler) { + clear_csr(mstatus, MSTATUS_MIE); + evt_handler[I2S_EVT_SPK] = wm_handler; + set_csr(mstatus, MSTATUS_MIE); +} + +void eos_i2s_spk_set_wm(uint16_t wm) { + clear_csr(mstatus, MSTATUS_MIE); + _eos_i2s_wm[I2S_EVT_SPK] = wm; + set_csr(mstatus, MSTATUS_MIE); +} + uint16_t eos_i2s_spk_len(void) { clear_csr(mstatus, MSTATUS_MIE); uint16_t ret = _abuf_len(&_eos_i2s_spk_buf); diff --git a/code/fe310/eos/i2s.h b/code/fe310/eos/i2s.h index 7b267ec..4d65033 100644 --- a/code/fe310/eos/i2s.h +++ b/code/fe310/eos/i2s.h @@ -8,13 +8,17 @@ typedef struct EOSABuf { } EOSABuf; void eos_i2s_init(uint32_t sample_rate); -void eos_i2s_init_mic(uint8_t *mic_arr, uint16_t mic_arr_size, eos_evt_fptr_t mic_wm_handler, uint16_t mic_wm); -void eos_i2s_init_spk(uint8_t *spk_arr, uint16_t spk_arr_size, eos_evt_fptr_t spk_wm_handler, uint16_t spk_wm); void eos_i2s_start(void); void eos_i2s_stop(void); +void eos_i2s_mic_init(uint8_t *mic_arr, uint16_t mic_arr_size); +void eos_i2s_mic_set_handler(eos_evt_fptr_t wm_handler); +void eos_i2s_mic_set_wm(uint16_t wm); uint16_t eos_i2s_mic_len(void); uint16_t eos_i2s_mic_read(uint8_t *sample, uint16_t ssize); int eos_i2s_mic_pop(uint8_t *sample); +void eos_i2s_spk_init(uint8_t *mic_arr, uint16_t mic_arr_size); +void eos_i2s_spk_set_handler(eos_evt_fptr_t wm_handler); +void eos_i2s_spk_set_wm(uint16_t wm); uint16_t eos_i2s_spk_len(void); uint16_t eos_i2s_spk_write(uint8_t *sample, uint16_t ssize); int eos_i2s_spk_push(uint8_t sample); diff --git a/code/fe310/eos/net.c b/code/fe310/eos/net.c index 8213262..e024896 100644 --- a/code/fe310/eos/net.c +++ b/code/fe310/eos/net.c @@ -118,6 +118,8 @@ static void spi_handler_xchg(void) { return; } else if (_eos_spi_state_flags & SPI_FLAG_INIT) { _eos_spi_state_flags &= ~SPI_FLAG_INIT; + SPI1_REG(SPI_REG_TXCTRL) = SPI_TXWM(SPI_SIZE_WM); + SPI1_REG(SPI_REG_IE) = SPI_IP_TXWM; r1 = SPI1_REG(SPI_REG_RXFIFO); r2 = SPI1_REG(SPI_REG_RXFIFO); @@ -139,8 +141,10 @@ static void spi_handler_xchg(void) { _eos_spi_state_len = ((_eos_spi_state_len + 2)/4 + 1) * 4 - 2; } - SPI1_REG(SPI_REG_TXCTRL) = SPI_TXWM(SPI_SIZE_WM); - SPI1_REG(SPI_REG_IE) = SPI_IP_TXWM; + if (_eos_spi_state_len > SPI_SIZE_BUF) { + SPI1_REG(SPI_REG_CSMODE) = SPI_CSMODE_AUTO; + SPI1_REG(SPI_REG_IE) = 0x0; + } return; } @@ -173,7 +177,7 @@ static void spi_handler_xchg(void) { spi_bufq_push(_eos_spi_state_buf); } } else if (_eos_spi_state_idx_tx == _eos_spi_state_len) { - SPI1_REG(SPI_REG_RXCTRL) = SPI_RXWM(MIN(_eos_spi_state_len - _eos_spi_state_idx_rx - 1, SPI_SIZE_CHUNK - 1)); + SPI1_REG(SPI_REG_RXCTRL) = SPI_RXWM(MIN(_eos_spi_state_len - _eos_spi_state_idx_rx - 1, SPI_SIZE_WM - 1)); SPI1_REG(SPI_REG_IE) = SPI_IP_RXWM; } } diff --git a/code/fe310/eos/spi_def.h b/code/fe310/eos/spi_def.h index 4c558fb..69ca168 100644 --- a/code/fe310/eos/spi_def.h +++ b/code/fe310/eos/spi_def.h @@ -6,8 +6,9 @@ #define SPI_MODE2 0x02 #define SPI_MODE3 0x03 +/* DO NOT TOUCH THEESE */ #define SPI_SIZE_CHUNK 4 -#define SPI_SIZE_WM 4 +#define SPI_SIZE_WM 2 #define SPI_PIN_RTS 0 // pin 8 #define SPI_PIN_CTS 23 // pin 7 diff --git a/code/fe310/eos/trap_entry.S b/code/fe310/eos/trap_entry.S index 33f863b..0c5278b 100644 --- a/code/fe310/eos/trap_entry.S +++ b/code/fe310/eos/trap_entry.S @@ -87,12 +87,14 @@ eos_trap_entry: beq x9, x18, i2s_handler_ws li x18, I2S_IRQ_CI_ID beq x9, x18, i2s_handler_ci +#ifdef EOS_WITH_SPI_ASM li x18, INT_SPI1_BASE beq x9, x18, spi_handler_xchg li x18, INT_GPIO_BASE + SPI_PIN_CTS beq x9, x18, spi_handler_cts li x18, INT_GPIO_BASE + SPI_PIN_RTS beq x9, x18, spi_handler_rts +#endif j handler i2s_handler_sd: @@ -239,7 +241,7 @@ i2s_handler_sd: 5: # check for push to event queue - la x9, _eos_i2s_mic_wm + la x9, _eos_i2s_wm lw x20, 0(x9) beqz x20, i2s_handler_sd_exit bltu x18, x20, i2s_handler_sd_exit @@ -391,6 +393,8 @@ i2s_handler_ci_exit: # exit j trap_exit_data +#ifdef EOS_WITH_SPI_ASM + # x9 - cmd, x18 - buffer, x19 - len, x20 - &flags, x21 - flags spi_xchg_start: ori x21, x21, SPI_FLAG_INIT @@ -453,7 +457,7 @@ spi_handler_xchg: la x18, _eos_spi_state_flags lbu x20, 0(x18) andi x8, x20, SPI_FLAG_RST - beqz x8, 1f + beqz x8, 0f andi x20, x20, ~SPI_FLAG_RST sb x20, 0(x18) @@ -463,7 +467,7 @@ spi_handler_xchg: sw x0, SPI_REG_IE(x19) j spi_handler_xchg_exit -1: +0: andi x8, x20, SPI_FLAG_INIT beqz x8, 6f @@ -480,10 +484,10 @@ spi_handler_xchg: la x18, _eos_spi_state_cmd lbu x23, 0(x18) andi x23, x23, EOS_NET_CMD_FLAG_ONEW - beqz x23, 2f + beqz x23, 1f mv x8, x0 mv x9, x0 -2: +1: srli x23, x8, 3 sb x23, 0(x18) andi x22, x8, 0x07 @@ -493,24 +497,33 @@ spi_handler_xchg: sw x22, 0(x18) la x18, _eos_spi_state_len_tx lw x21, 0(x18) - bgeu x21, x22, 3f + bgeu x21, x22, 2f mv x21, x22 -3: +2: li x8, 6 - bgeu x21, x8, 4f + bgeu x21, x8, 3f mv x21, x8 - j 5f -4: + j 4f +3: addi x8, x21, 2 li x9, 4 remu x18, x8, x9 - beqz x18, 5f + beqz x18, 4f divu x21, x8, x9 addi x21, x21, 1 mul x21, x21, x9 addi x21, x21, -2 +4: + li x8, SPI_SIZE_BUF + 1 + bltu x21, x8, 5f + li x8, SPI_CSMODE_AUTO + sw x8, SPI_REG_CSMODE(x19) + sw x0, SPI_REG_IE(x19) + + j spi_handler_xchg_exit + 5: la x18, _eos_spi_state_len sw x21, 0(x18) @@ -622,7 +635,7 @@ spi_handler_xchg: bne x21, x20, spi_handler_xchg_exit sub x8, x20, x22 addi x8, x8, -1 - li x9, SPI_SIZE_CHUNK - 1 + li x9, SPI_SIZE_WM - 1 bltu x8, x9, 16f mv x8, x9 16: @@ -787,6 +800,8 @@ spi_handler_rts_exit: # exit j trap_exit_data +#endif /* EOS_WITH_SPI_ASM */ + trap_exit_data: # Remain in M-mode after mret li x18, MSTATUS_MPP -- cgit v1.2.3