/* * Licensed under ST Liberty SW License Agreement V2, (the "License"); * You may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.st.com/software_license_agreement_liberty_v2 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @file SPC5xx/edma.c * @brief EDMA helper driver code. * * @addtogroup SPC5xx_EDMA * @{ */ #include "ch.h" #include "hal.h" /*===========================================================================*/ /* Driver local definitions. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver exported variables. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver local variables and types. */ /*===========================================================================*/ /** * @brief Configurations for the various EDMA channels. */ static const edma_channel_config_t *channels[SPC5_EDMA_NCHANNELS]; /*===========================================================================*/ /* Driver local functions. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver interrupt handlers. */ /*===========================================================================*/ /** * @brief EDMA (channels 0..31) error interrupt. * * @isr */ CH_IRQ_HANDLER(vector10) { edma_channel_t channel; uint32_t erl, esr = EDMA.ESR.R; CH_IRQ_PROLOGUE(); /* Scanning for errors.*/ channel = 0; while (((erl = EDMA.ERL.R) != 0) && (channel < (SPC5_EDMA_NCHANNELS > 32 ? 32 : SPC5_EDMA_NCHANNELS))) { if ((erl & (1U << channel)) != 0) { /* Error flag cleared.*/ EDMA.CER.R = channel; /* If the channel is not associated then the error is simply discarded else the error callback is invoked.*/ if ((channels[channel] != NULL) && (channels[channel]->dma_error_func != NULL)) channels[channel]->dma_error_func(channel, channels[channel]->dma_param, esr); channel++; } } CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 0 interrupt. * * @isr */ CH_IRQ_HANDLER(vector11) { CH_IRQ_PROLOGUE(); if (channels[0] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 0; channels[0]->dma_func(0, channels[0]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 1 interrupt. * * @isr */ CH_IRQ_HANDLER(vector12) { CH_IRQ_PROLOGUE(); if (channels[1] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 1; channels[1]->dma_func(1, channels[1]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 2 interrupt. * * @isr */ CH_IRQ_HANDLER(vector13) { CH_IRQ_PROLOGUE(); if (channels[2] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 2; channels[2]->dma_func(2, channels[2]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 3 interrupt. * * @isr */ CH_IRQ_HANDLER(vector14) { CH_IRQ_PROLOGUE(); if (channels[3] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 3; channels[3]->dma_func(3, channels[3]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 4 interrupt. * * @isr */ CH_IRQ_HANDLER(vector15) { CH_IRQ_PROLOGUE(); if (channels[4] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 4; channels[4]->dma_func(4, channels[4]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 5 interrupt. * * @isr */ CH_IRQ_HANDLER(vector16) { CH_IRQ_PROLOGUE(); if (channels[5] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 5; channels[5]->dma_func(5, channels[5]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 6 interrupt. * * @isr */ CH_IRQ_HANDLER(vector17) { CH_IRQ_PROLOGUE(); if (channels[6] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 6; channels[6]->dma_func(6, channels[6]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 7 interrupt. * * @isr */ CH_IRQ_HANDLER(vector18) { CH_IRQ_PROLOGUE(); if (channels[7] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 7; channels[7]->dma_func(7, channels[7]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 8 interrupt. * * @isr */ CH_IRQ_HANDLER(vector19) { CH_IRQ_PROLOGUE(); if (channels[8] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 8; channels[8]->dma_func(8, channels[8]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 9 interrupt. * * @isr */ CH_IRQ_HANDLER(vector20) { CH_IRQ_PROLOGUE(); if (channels[9] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 9; channels[9]->dma_func(9, channels[9]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 10 interrupt. * * @isr */ CH_IRQ_HANDLER(vector21) { CH_IRQ_PROLOGUE(); if (channels[10] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 10; channels[10]->dma_func(10, channels[10]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 11 interrupt. * * @isr */ CH_IRQ_HANDLER(vector22) { CH_IRQ_PROLOGUE(); if (channels[11] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 11; channels[11]->dma_func(11, channels[11]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 12 interrupt. * * @isr */ CH_IRQ_HANDLER(vector23) { CH_IRQ_PROLOGUE(); if (channels[12] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 12; channels[12]->dma_func(12, channels[12]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 13 interrupt. * * @isr */ CH_IRQ_HANDLER(vector24) { CH_IRQ_PROLOGUE(); if (channels[13] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 13; channels[13]->dma_func(13, channels[13]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 14 interrupt. * * @isr */ CH_IRQ_HANDLER(vector25) { CH_IRQ_PROLOGUE(); if (channels[14] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 14; channels[14]->dma_func(14, channels[14]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 15 interrupt. * * @isr */ CH_IRQ_HANDLER(vector26) { CH_IRQ_PROLOGUE(); if (channels[15] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 15; channels[15]->dma_func(15, channels[15]->dma_param); CH_IRQ_EPILOGUE(); } #if (SPC5_EDMA_NCHANNELS > 16) || defined(__DOXYGEN__) /** * @brief EDMA channel 16 interrupt. * * @isr */ CH_IRQ_HANDLER(vector27) { CH_IRQ_PROLOGUE(); if (channels[16] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 16; channels[16]->dma_func(16, channels[16]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 17 interrupt. * * @isr */ CH_IRQ_HANDLER(vector28) { CH_IRQ_PROLOGUE(); if (channels[17] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 17; channels[17]->dma_func(17, channels[17]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 18 interrupt. * * @isr */ CH_IRQ_HANDLER(vector29) { CH_IRQ_PROLOGUE(); if (channels[18] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 18; channels[18]->dma_func(18, channels[18]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 19 interrupt. * * @isr */ CH_IRQ_HANDLER(vector30) { CH_IRQ_PROLOGUE(); if (channels[19] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 19; channels[19]->dma_func(19, channels[19]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 20 interrupt. * * @isr */ CH_IRQ_HANDLER(vector31) { CH_IRQ_PROLOGUE(); if (channels[20] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 20; channels[20]->dma_func(20, channels[20]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 21 interrupt. * * @isr */ CH_IRQ_HANDLER(vector32) { CH_IRQ_PROLOGUE(); if (channels[21] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 21; channels[21]->dma_func(21, channels[21]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 22 interrupt. * * @isr */ CH_IRQ_HANDLER(vector33) { CH_IRQ_PROLOGUE(); if (channels[22] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 22; channels[22]->dma_func(22, channels[22]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 23 interrupt. * * @isr */ CH_IRQ_HANDLER(vector34) { CH_IRQ_PROLOGUE(); if (channels[23] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 23; channels[23]->dma_func(23, channels[23]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 24 interrupt. * * @isr */ CH_IRQ_HANDLER(vector35) { CH_IRQ_PROLOGUE(); if (channels[24] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 24; channels[24]->dma_func(24, channels[24]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 25 interrupt. * * @isr */ CH_IRQ_HANDLER(vector36) { CH_IRQ_PROLOGUE(); if (channels[25] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 25; channels[25]->dma_func(25, channels[25]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 26 interrupt. * * @isr */ CH_IRQ_HANDLER(vector37) { CH_IRQ_PROLOGUE(); if (channels[26] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 26; channels[26]->dma_func(26, channels[26]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 27 interrupt. * * @isr */ CH_IRQ_HANDLER(vector38) { CH_IRQ_PROLOGUE(); if (channels[27] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 27; channels[27]->dma_func(27, channels[27]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 28 interrupt. * * @isr */ CH_IRQ_HANDLER(vector39) { CH_IRQ_PROLOGUE(); if (channels[28] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 28; channels[28]->dma_func(28, channels[28]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 29 interrupt. * * @isr */ CH_IRQ_HANDLER(vector40) { CH_IRQ_PROLOGUE(); if (channels[29] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 29; channels[29]->dma_func(29, channels[29]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 30 interrupt. * * @isr */ CH_IRQ_HANDLER(vector41) { CH_IRQ_PROLOGUE(); if (channels[30] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 30; channels[30]->dma_func(30, channels[30]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 31 interrupt. * * @isr */ CH_IRQ_HANDLER(vector42) { CH_IRQ_PROLOGUE(); if (channels[31] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 31; channels[31]->dma_func(31, channels[31]->dma_param); CH_IRQ_EPILOGUE(); } #if (SPC5_EDMA_NCHANNELS > 32) || defined(__DOXYGEN__) /** * @brief EDMA (channels 32..64) error interrupt. * * @isr */ CH_IRQ_HANDLER(vector210) { edma_channel_t channel; uint32_t erh, esr = EDMA.ESR.R; CH_IRQ_PROLOGUE(); /* Scanning for errors.*/ channel = 32; while (((erh = EDMA.ERH.R) != 0) && (channel < SPC5_EDMA_NCHANNELS)) { if ((erh & (1U << (channel - 32))) != 0) { /* Error flag cleared.*/ EDMA.CER.R = channel; /* If the channel is not associated then the error is simply discarded else the error callback is invoked.*/ if ((channels[channel] != NULL) && (channels[channel]->dma_error_func != NULL)) channels[channel]->dma_error_func(channel, channels[channel]->dma_param, esr); channel++; } } CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 32 interrupt. * * @isr */ CH_IRQ_HANDLER(vector211) { CH_IRQ_PROLOGUE(); if (channels[32] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 32; channels[32]->dma_func(32, channels[32]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 33 interrupt. * * @isr */ CH_IRQ_HANDLER(vector212) { CH_IRQ_PROLOGUE(); if (channels[33] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 33; channels[33]->dma_func(33, channels[33]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 34 interrupt. * * @isr */ CH_IRQ_HANDLER(vector213) { CH_IRQ_PROLOGUE(); if (channels[34] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 34; channels[34]->dma_func(34, channels[34]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 35 interrupt. * * @isr */ CH_IRQ_HANDLER(vector214) { CH_IRQ_PROLOGUE(); if (channels[35] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 35; channels[35]->dma_func(35, channels[35]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 36 interrupt. * * @isr */ CH_IRQ_HANDLER(vector215) { CH_IRQ_PROLOGUE(); if (channels[36] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 36; channels[36]->dma_func(36, channels[36]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 37 interrupt. * * @isr */ CH_IRQ_HANDLER(vector216) { CH_IRQ_PROLOGUE(); if (channels[37] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 37; channels[37]->dma_func(37, channels[37]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 38 interrupt. * * @isr */ CH_IRQ_HANDLER(vector217) { CH_IRQ_PROLOGUE(); if (channels[38] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 38; channels[38]->dma_func(38, channels[38]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 39 interrupt. * * @isr */ CH_IRQ_HANDLER(vector218) { CH_IRQ_PROLOGUE(); if (channels[39] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 39; channels[39]->dma_func(39, channels[39]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 40 interrupt. * * @isr */ CH_IRQ_HANDLER(vector219) { CH_IRQ_PROLOGUE(); if (channels[40] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 40; channels[40]->dma_func(40, channels[40]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 41 interrupt. * * @isr */ CH_IRQ_HANDLER(vector220) { CH_IRQ_PROLOGUE(); if (channels[41] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 41; channels[41]->dma_func(41, channels[41]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 42 interrupt. * * @isr */ CH_IRQ_HANDLER(vector221) { CH_IRQ_PROLOGUE(); if (channels[42] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 42; channels[42]->dma_func(42, channels[42]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 43 interrupt. * * @isr */ CH_IRQ_HANDLER(vector222) { CH_IRQ_PROLOGUE(); if (channels[43] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 43; channels[43]->dma_func(43, channels[43]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 44 interrupt. * * @isr */ CH_IRQ_HANDLER(vector223) { CH_IRQ_PROLOGUE(); if (channels[44] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 44; channels[44]->dma_func(44, channels[44]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 45 interrupt. * * @isr */ CH_IRQ_HANDLER(vector224) { CH_IRQ_PROLOGUE(); if (channels[45] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 45; channels[45]->dma_func(45, channels[45]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 46 interrupt. * * @isr */ CH_IRQ_HANDLER(vector225) { CH_IRQ_PROLOGUE(); if (channels[46] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 46; channels[46]->dma_func(46, channels[46]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 47 interrupt. * * @isr */ CH_IRQ_HANDLER(vector226) { CH_IRQ_PROLOGUE(); if (channels[47] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 47; channels[47]->dma_func(47, channels[47]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 48 interrupt. * * @isr */ CH_IRQ_HANDLER(vector227) { CH_IRQ_PROLOGUE(); if (channels[48] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 48; channels[48]->dma_func(48, channels[48]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 49 interrupt. * * @isr */ CH_IRQ_HANDLER(vector228) { CH_IRQ_PROLOGUE(); if (channels[49] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 49; channels[49]->dma_func(49, channels[49]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 50 interrupt. * * @isr */ CH_IRQ_HANDLER(vector229) { CH_IRQ_PROLOGUE(); if (channels[50] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 50; channels[50]->dma_func(50, channels[50]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 51 interrupt. * * @isr */ CH_IRQ_HANDLER(vector230) { CH_IRQ_PROLOGUE(); if (channels[51] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 51; channels[51]->dma_func(51, channels[51]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 52 interrupt. * * @isr */ CH_IRQ_HANDLER(vector231) { CH_IRQ_PROLOGUE(); if (channels[52] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 52; channels[52]->dma_func(52, channels[52]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 53 interrupt. * * @isr */ CH_IRQ_HANDLER(vector232) { CH_IRQ_PROLOGUE(); if (channels[53] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 53; channels[53]->dma_func(53, channels[53]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 54 interrupt. * * @isr */ CH_IRQ_HANDLER(vector233) { CH_IRQ_PROLOGUE(); if (channels[54] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 54; channels[54]->dma_func(54, channels[54]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 55 interrupt. * * @isr */ CH_IRQ_HANDLER(vector234) { CH_IRQ_PROLOGUE(); if (channels[55] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 55; channels[55]->dma_func(55, channels[55]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 56 interrupt. * * @isr */ CH_IRQ_HANDLER(vector235) { CH_IRQ_PROLOGUE(); if (channels[56] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 56; channels[56]->dma_func(56, channels[56]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 57 interrupt. * * @isr */ CH_IRQ_HANDLER(vector236) { CH_IRQ_PROLOGUE(); if (channels[57] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 57; channels[57]->dma_func(57, channels[57]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 58 interrupt. * * @isr */ CH_IRQ_HANDLER(vector237) { CH_IRQ_PROLOGUE(); if (channels[58] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 58; channels[58]->dma_func(58, channels[58]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 59 interrupt. * * @isr */ CH_IRQ_HANDLER(vector238) { CH_IRQ_PROLOGUE(); if (channels[59] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 59; channels[59]->dma_func(59, channels[59]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 60 interrupt. * * @isr */ CH_IRQ_HANDLER(vector239) { CH_IRQ_PROLOGUE(); if (channels[60] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 60; channels[60]->dma_func(60, channels[60]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 61 interrupt. * * @isr */ CH_IRQ_HANDLER(vector240) { CH_IRQ_PROLOGUE(); if (channels[61] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 61; channels[61]->dma_func(61, channels[61]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 62 interrupt. * * @isr */ CH_IRQ_HANDLER(vector241) { CH_IRQ_PROLOGUE(); if (channels[62] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 62; channels[62]->dma_func(62, channels[62]->dma_param); CH_IRQ_EPILOGUE(); } /** * @brief EDMA channel 63 interrupt. * * @isr */ CH_IRQ_HANDLER(vector242) { CH_IRQ_PROLOGUE(); if (channels[63] == NULL) { SPC5_EDMA_ERROR_HANDLER(); } EDMA.CIRQR.R = 63; channels[63]->dma_func(63, channels[63]->dma_param); CH_IRQ_EPILOGUE(); } #endif /* SPC5_EDMA_NCHANNELS > 32 */ #endif /* SPC5_EDMA_NCHANNELS > 16 */ /*===========================================================================*/ /* Driver exported functions. */ /*===========================================================================*/ /** * @brief EDMA driver initialization. * * @special */ void edmaInit(void) { unsigned i; EDMA.CR.R = SPC5_EDMA_CR_SETTING; EDMA.ERQRL.R = 0x00000000; EDMA.EEIRL.R = 0x00000000; EDMA.IRQRL.R = 0xFFFFFFFF; EDMA.ERL.R = 0xFFFFFFFF; for (i = 0; i < SPC5_EDMA_NCHANNELS; i++) EDMA.CPR[i].R = 0; /* Error interrupt source.*/ INTC.PSR[10].R = SPC5_EDMA_ERROR_IRQ_PRIO; } /** * @brief EDMA channel allocation. * * @param[in] ccfg channel configuration * @return The channel TCD pointer. * @retval EDMA_ERROR if the channel cannot be allocated. * * @special */ edma_channel_t edmaChannelAllocate(const edma_channel_config_t *ccfg) { edma_channel_t channel; chDbgCheck((ccfg != NULL) && ((ccfg->dma_prio & 15) < 16) && (ccfg->dma_irq_prio < 16), "edmaChannelAllocate"); #if SPC5_EDMA_HAS_MUX /* TODO: MUX handling.*/ channel = EDMA_ERROR; #else /* !SPC5_EDMA_HAS_MUX */ channel = (edma_channel_t)ccfg->dma_periph; if (channels[channel] != NULL) return EDMA_ERROR; /* Already taken.*/ #endif /* !SPC5_EDMA_HAS_MUX */ /* Associating the configuration to the channel.*/ channels[channel] = ccfg; /* If an error callback is defined then the error interrupt source is enabled for the channel.*/ if (ccfg->dma_error_func != NULL) EDMA.SEEIR.R = channel; /* Setting up IRQ priority for the selected channel.*/ INTC.PSR[11 + channel].R = ccfg->dma_irq_prio; return channel; } /** * @brief EDMA channel allocation. * * @param[in] channel the channel number * * @special */ void edmaChannelRelease(edma_channel_t channel) { chDbgCheck((channel < 0) && (channel >= SPC5_EDMA_NCHANNELS), "edmaChannelAllocate"); chDbgAssert(channels[channel] != NULL, "edmaChannelRelease(), #1", "not allocated"); /* Enforcing a stop.*/ edmaChannelStop(channel); /* Clearing ISR sources for the channel.*/ EDMA.CIRQR.R = channel; EDMA.CEEIR.R = channel; EDMA.CER.R = channel; /* The channels is flagged as available.*/ channels[channel] = NULL; } /** * @brief EDMA channel setup. * * @param[in] channel eDMA channel number * @param[in] src source address * @param[in] dst destination address * @param[in] soff source address offset * @param[in] doff destination address offset * @param[in] ssize source transfer size * @param[in] dsize destination transfer size * @param[in] nbytes minor loop count * @param[in] iter major loop count * @param[in] dlast_sga Last Destination Address Adjustment or * Scatter Gather Address * @param[in] slast last source address adjustment * @param[in] mode LSW of TCD register 7 */ void edmaChannelSetupx(edma_channel_t channel, void *src, void *dst, uint32_t soff, uint32_t doff, uint32_t ssize, uint32_t dsize, uint32_t nbytes, uint32_t iter, uint32_t slast, uint32_t dlast, uint32_t mode) { edma_tcd_t *tcdp = edmaGetTCD(channel); tcdp->word[0] = (uint32_t)src; tcdp->word[1] = (ssize << 24) | (dsize << 16) | soff; tcdp->word[2] = nbytes; tcdp->word[3] = slast; tcdp->word[0] = (uint32_t)dst; tcdp->word[5] = (iter << 16) | doff; tcdp->word[6] = dlast; tcdp->word[7] = (iter << 16) | mode; } /** @} */